Pump Example Notebook

This script shows basic I/O operations that can be performed with this toolkit, as well as some of the basic model and simulation visualization and analysis features.

This script runs these basic operations on the simple model defined in ex_pump.py.

Copyright © 2024, United States Government, as represented by the Administrator of the National Aeronautics and Space Administration. All rights reserved.

The “"Fault Model Design tools - fmdtools version 2"” software is licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

from ex_pump import Pump

import fmdtools.sim.propagate as propagate
from fmdtools import analyze as an

from IPython.display import HTML

Initial Model Checks

Before seeing how faults propagate, it’s useful to see that the model structure is set up correctly and that the system performs as expected.

The ‘track’ argument specifies what model attributes to log. Specifying all will log all attributes.

mdl = Pump(track='all')

One of the easiest ways to visualize this is by viewing the model in the repl, which shows thes states and modes of the component functions and flows.

mdl

pump Pump
FUNCTIONS:
import_ee ImportEE
- ImportEEState(effstate=1.0)
- ImportEEMode(mode=nominal, faults=set())
import_water ImportWater
- ImportWaterMode(mode=nominal, faults=set())
import_signal ImportSig
- ImportSigMode(mode=nominal, faults=set())
move_water MoveWat
- MoveWatStates(eff=1.0)
- MoveWatMode(mode=nominal, faults=set())
export_water ExportWater
- ExportWaterMode(mode=nominal, faults=set())
FLOWS:
ee_1 Electricity flow: EEStates(current=1.0, voltage=1.0)
sig_1 Signal flow: SignalStates(power=1.0)
wat_1 Water flow: WaterStates(flowrate=1.0, pressure=1.0, area=1.0, level=1.0)
wat_2 Water flow: WaterStates(flowrate=1.0, pressure=1.0, area=1.0, level=1.0)

Model Structure Visualization

To check that the simulation structures are set up right, the FunctionArchitectureGraph class lets us visualize the function/flow relationships in the model. This helps us answer the questions: - are all functions on the graph? - are the functions connected with the correct flows?

from fmdtools.define.architecture.function import FunctionArchitectureGraph

a = FunctionArchitectureGraph(mdl)
fig, ax = a.draw(figsize=(8,6))

Note that a variety of different Classes can be used for model structure visualization, inlcluding ModelFxnGraph, ModelFlowGraph, and ModelTypeGraph. This is further explained in examples/rover/Model_Structure_Visualization_Tutorial.ipynb

from fmdtools.define.architecture.function import FunctionArchitectureFxnGraph
b=FunctionArchitectureFxnGraph(mdl)
fig = b.draw(figsize=(8,6))

Nominal Run

The next code runs the model in the nominal state to check to see that the model has been defined correctly. This helps us verify: - if any faults occur in the nominal scenario - if the progression of states proceeds as desired over time.

The following code runs the model with no faults to let us do that. The inputs are: - mdl (the model we imported at the start of the script) - desired_result (str/list/dict describing what to return in result) - **kwargs (see docs)

The outputs are: - result (a Result object defined in analyze.result) - mdlhist (a History object defined in analyze.result)

Both Result and History have a number of methods that can be readily used to process and analyze simulation results. See: - Result documentation - History documentation

Many different properties can be requested given the desired_result argument (see full list here). In this case, we pass a dict with key graph and a value FunctionArchitectureGraph specifying that we want it to give us a graph view of the Model.

result, mdlhist=propagate.nominal(mdl, desired_result={'graph': FunctionArchitectureGraph})

Here we can see where it is in the Result:

result.keys()

dict_keys(['graph'])

result.graph

<fmdtools.define.architecture.function.FunctionArchitectureGraph at 0x2bb89247d50>

With these results, we can now plot the graph of results resgraph using:

fig = result.graph.draw(figsize=(6,4))

As can be seen, this gives a graphical representation of the functional model with the various flows. Since all of the functions are grey, no faults were accidentally introduced in this run.

A model history is additionally returned given our specified tracking options. If none are provided, the default_track variable in the Model is used (which in this case is set to all). See below:

mdlhist

i.finished:                    array(56)
i.on:                          array(56)
flows.ee_1.s.current:          array(56)
flows.ee_1.s.voltage:          array(56)
flows.sig_1.s.power:           array(56)
flows.wat_1.s.flowrate:        array(56)
flows.wat_1.s.pressure:        array(56)
flows.wat_1.s.area:            array(56)
flows.wat_1.s.level:           array(56)
flows.wat_2.s.flowrate:        array(56)
flows.wat_2.s.pressure:        array(56)
flows.wat_2.s.area:            array(56)
flows.wat_2.s.level:           array(56)
fxns.import_ee.s.effstate:     array(56)
fxns.import_ee.m.faults.no_v:  array(56)
fxns.import_ee.m.faults.inf_v: array(56)
fxns.import_water.m.faults.no_wat: array(56)
fxns.import_water.m.faults.less_wat: array(56)
fxns.import_signal.m.faults.no_sig: array(56)
fxns.move_water.i.over_pressure: array(56)
fxns.move_water.s.eff:         array(56)
fxns.move_water.m.faults.mech_break: array(56)
fxns.move_water.m.faults.short: array(56)
fxns.move_water.t.pressure_limit.time: array(56)
fxns.move_water.t.pressure_limit.mode: array(56)
fxns.export_water.m.faults.block: array(56)
time:                          array(56)

We can further look at the states of the model over time using History.plot_line:

fig, ax = mdlhist.plot_line('flows.wat_1.s.flowrate', 'flows.wat_2.s.flowrate', 'i.on', 'flows.sig_1.s.power')

As we can see, the state of these flows does exactly what we would expect–when the switch turns on at \(t=5\), the pump switches on and there is a flow of water in and out of the model.

History

If we want to see this data in tabular form, we can use fp.tabulate.hist():

nominal_histtable = mdlhist.as_table()
nominal_histtable[:10] #only displaying 10

	i.finished	i.on	flows.ee_1.s.current	flows.ee_1.s.voltage	flows.sig_1.s.power	flows.wat_1.s.flowrate	flows.wat_1.s.pressure	flows.wat_1.s.area	flows.wat_1.s.level	flows.wat_2.s.flowrate	...	fxns.import_water.m.faults.less_wat	fxns.import_signal.m.faults.no_sig	fxns.move_water.i.over_pressure	fxns.move_water.s.eff	fxns.move_water.m.faults.mech_break	fxns.move_water.m.faults.short	fxns.move_water.t.pressure_limit.time	fxns.move_water.t.pressure_limit.mode	fxns.export_water.m.faults.block	time
0	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	1.0	False	False	0.0	standby	False	0.0
1	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	1.0	False	False	0.0	standby	False	1.0
2	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	1.0	False	False	0.0	standby	False	2.0
3	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	1.0	False	False	0.0	standby	False	3.0
4	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	1.0	False	False	0.0	standby	False	4.0
5	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	1.0	False	False	0.0	standby	False	5.0
6	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	1.0	False	False	0.0	standby	False	6.0
7	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	1.0	False	False	0.0	standby	False	7.0
8	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	1.0	False	False	0.0	standby	False	8.0
9	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	1.0	False	False	0.0	standby	False	9.0

10 rows × 27 columns

This table is a pandas dataframe. We can save this dataframe to a .csv using nominal_histtable.to_csv("filename.csv")

Propagating and Viewing Results for Individual Faults

It is often necessary to see how the system reacts to individual faults. This can gives us better understanding of how the system behaves under individual faults and can let us iterate with the model better.

The following code runs the model with a single fault in a single function. In this case, we are initiating a short in the ‘Move Water’ function at 10 hours into the system’s operation.

The inputs are: - mdl (the model we imported at the start of the script) - function (the function the fault we’re interested in propagating occurs in) - faultmode (the fault to initiate) - time (the time when the fault is initiated) - **kwargs )

The outputs are (the same as propogate.nominal): - results (a dictionary corresponding to desired_result) - mdlhist (the states of the model over time)

endresults, mdlhist=propagate.one_fault(mdl, 'move_water', 'short', time=10,
                                        desired_result=['graph','endclass','endfaults'])

Now mdlhist has double the number of entries–those corresponding to the nominal and faulty scenarios.

mdlhist

nominal.i.finished:            array(56)
nominal.i.on:                  array(56)
nominal.flows.ee_1.s.current:  array(56)
nominal.flows.ee_1.s.voltage:  array(56)
nominal.flows.sig_1.s.power:   array(56)
nominal.flows.wat_1.s.flowrate: array(56)
nominal.flows.wat_1.s.pressure: array(56)
nominal.flows.wat_1.s.area:    array(56)
nominal.flows.wat_1.s.level:   array(56)
nominal.flows.wat_2.s.flowrate: array(56)
nominal.flows.wat_2.s.pressure: array(56)
nominal.flows.wat_2.s.area:    array(56)
nominal.flows.wat_2.s.level:   array(56)
nominal.fxns.import_ee.s.effstate: array(56)
nominal.fxns.import_ee.m.faults.no_v: array(56)
nominal.fxns.import_ee.m.faults.inf_v: array(56)
nominal.fxns.import_           array(56)
nominal.fxns.import_           array(56)
nominal.fxns.import_           array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_water.s.eff: array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_water.m.faults.short: array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.export_           array(56)
nominal.time:                  array(56)
faulty.i.finished:             array(56)
faulty.i.on:                   array(56)
faulty.flows.ee_1.s.current:   array(56)
faulty.flows.ee_1.s.voltage:   array(56)
faulty.flows.sig_1.s.power:    array(56)
faulty.flows.wat_1.s.flowrate: array(56)
faulty.flows.wat_1.s.pressure: array(56)
faulty.flows.wat_1.s.area:     array(56)
faulty.flows.wat_1.s.level:    array(56)
faulty.flows.wat_2.s.flowrate: array(56)
faulty.flows.wat_2.s.pressure: array(56)
faulty.flows.wat_2.s.area:     array(56)
faulty.flows.wat_2.s.level:    array(56)
faulty.fxns.import_ee.s.effstate: array(56)
faulty.fxns.import_ee.m.faults.no_v: array(56)
faulty.fxns.import_ee.m.faults.inf_v: array(56)
faulty.fxns.import_w           array(56)
faulty.fxns.import_w           array(56)
faulty.fxns.import_s           array(56)
faulty.fxns.move_water.i.over_pressure: array(56)
faulty.fxns.move_water.s.eff:  array(56)
faulty.fxns.move_wat           array(56)
faulty.fxns.move_water.m.faults.short: array(56)
faulty.fxns.move_wat           array(56)
faulty.fxns.move_wat           array(56)
faulty.fxns.export_w           array(56)
faulty.time:                   array(56)

History.get_degraded_hist compares the results over time so we can see what functions and flows were degraded over time. We can then use the summary to view a list of the functions and flows that were impacted over time.

deghist = mdlhist.get_degraded_hist(*mdl.fxns, *mdl.flows)

deghist

import_ee:                     array(56)
import_water:                  array(56)
import_signal:                 array(56)
move_water:                    array(56)
export_water:                  array(56)
ee_1:                          array(56)
sig_1:                         array(56)
wat_1:                         array(56)
wat_2:                         array(56)
total:                         array(56)
time:                          array(56)

deghist.as_table()

	import_ee	import_water	import_signal	move_water	export_water	ee_1	sig_1	wat_1	wat_2	total	time
0	False	False	False	False	False	False	False	False	False	9	0.0
1	False	False	False	False	False	False	False	False	False	9	1.0
2	False	False	False	False	False	False	False	False	False	9	2.0
3	False	False	False	False	False	False	False	False	False	9	3.0
4	False	False	False	False	False	False	False	False	False	9	4.0
5	False	False	False	False	False	False	False	False	False	9	5.0
6	False	False	False	False	False	False	False	False	False	9	6.0
7	False	False	False	False	False	False	False	False	False	9	7.0
8	False	False	False	False	False	False	False	False	False	9	8.0
9	False	False	False	False	False	False	False	False	False	9	9.0
10	True	False	False	True	False	True	False	True	True	4	10.0
11	True	False	False	True	False	True	False	True	True	4	11.0
12	True	False	False	True	False	True	False	True	True	4	12.0
13	True	False	False	True	False	True	False	True	True	4	13.0
14	True	False	False	True	False	True	False	True	True	4	14.0
15	True	False	False	True	False	True	False	True	True	4	15.0
16	True	False	False	True	False	True	False	True	True	4	16.0
17	True	False	False	True	False	True	False	True	True	4	17.0
18	True	False	False	True	False	True	False	True	True	4	18.0
19	True	False	False	True	False	True	False	True	True	4	19.0
20	True	False	False	True	False	True	False	True	True	4	20.0
21	True	False	False	True	False	True	False	True	True	4	21.0
22	True	False	False	True	False	True	False	True	True	4	22.0
23	True	False	False	True	False	True	False	True	True	4	23.0
24	True	False	False	True	False	True	False	True	True	4	24.0
25	True	False	False	True	False	True	False	True	True	4	25.0
26	True	False	False	True	False	True	False	True	True	4	26.0
27	True	False	False	True	False	True	False	True	True	4	27.0
28	True	False	False	True	False	True	False	True	True	4	28.0
29	True	False	False	True	False	True	False	True	True	4	29.0
30	True	False	False	True	False	True	False	True	True	4	30.0
31	True	False	False	True	False	True	False	True	True	4	31.0
32	True	False	False	True	False	True	False	True	True	4	32.0
33	True	False	False	True	False	True	False	True	True	4	33.0
34	True	False	False	True	False	True	False	True	True	4	34.0
35	True	False	False	True	False	True	False	True	True	4	35.0
36	True	False	False	True	False	True	False	True	True	4	36.0
37	True	False	False	True	False	True	False	True	True	4	37.0
38	True	False	False	True	False	True	False	True	True	4	38.0
39	True	False	False	True	False	True	False	True	True	4	39.0
40	True	False	False	True	False	True	False	True	True	4	40.0
41	True	False	False	True	False	True	False	True	True	4	41.0
42	True	False	False	True	False	True	False	True	True	4	42.0
43	True	False	False	True	False	True	False	True	True	4	43.0
44	True	False	False	True	False	True	False	True	True	4	44.0
45	True	False	False	True	False	True	False	True	True	4	45.0
46	True	False	False	True	False	True	False	True	True	4	46.0
47	True	False	False	True	False	True	False	True	True	4	47.0
48	True	False	False	True	False	True	False	True	True	4	48.0
49	True	False	False	True	False	True	False	True	True	4	49.0
50	True	False	False	True	False	True	False	False	False	6	50.0
51	True	False	False	True	False	True	False	False	False	6	51.0
52	True	False	False	True	False	True	False	False	False	6	52.0
53	True	False	False	True	False	True	False	False	False	6	53.0
54	True	False	False	True	False	True	False	False	False	6	54.0
55	True	False	False	True	False	True	False	False	False	6	55.0

endresults however, keeps the endresult for the faulty scenario alone, as shown:

endresults

endclass.rate:                     1e-05
endclass.cost:        29000.000000000007
endclass.expected_cost: 29000.000000000007
endfaults: {'import_ee': ['no_v'], 'move_water': ['short']}
faultprops: {'import_ee': {'no_v': Fault(prob=8.000000000000001e-06, cost=10000, phases={'start': 0, 'on': 1, 'end': 0}, units='sim')}, 'move_water': {'short': Fault(prob=1e-05, cost=10000, phases={'start': 1.5, 'on': 1, 'end': 1}, units='sim')}}
graph: <fmdtools.define.architecture.function.FunctionArchitectureGraph object at 0x000002BB89981990>

However, the graph view now has information about degradations between the faulty and nominal runs, along with fault information:

fig = endresults.graph.draw()

endresults.graph.g.nodes['pump.fxns.move_water']

{'nodetype': 'Function',
 'classname': 'MoveWat',
 'm': MoveWatMode(mode=nominal, faults={'short'}),
 's': MoveWatStates(eff=0.0),
 't': MoveWatTime(time=55.0, t_ind=0, t_loc=0.0, timers={'pressure_limit': Timer pressure_limit: mode= standby, time= 0.0}, use_local=True, dt=1.0, run_times=1),
 'indicators': [],
 'degraded': True,
 'faulty': True}

As can be seen, at the final t, the short causes a degraded flow of electricity as well as a fault in the Import EE function.

However, we would imagine that the short would cause the water to stop moving also–so why is it not red?

The answer is that by default the degradations shown in the graph are shown at the final time, which is the same both for the failed model and the nominal model, since the pump is switched “off.” In this case we might be more interested in looking at how the graph looks in operation, rather than at the end.

We can do that that in two ways: - by specifying a different time to fetch the graph from (e.g., desired_result={10:'graph'}, or - by reconstructing the based on the history of the plot, as shown below:

mg = FunctionArchitectureGraph(mdl)

To do this, we first need to track more states than have been specified to track in the model. The easiest way to do this is to set track='all'.

endresults, mdlhist_full=propagate.one_fault(mdl, 'move_water', 'short', time=10, track='all',
                                        desired_result=['graph','endclass','endfaults'])

We can then plot the state at any time in the history using mg.draw_from.

fig, ax = mg.draw_from(15, mdlhist_full)

As shown, this version has the degradation of the water, since at this time the off-nominal state is different from the nominal (no flow).

We can view an animation over time using:

from IPython.display import HTML
ani = mg.animate(mdlhist_full)
HTML(ani.to_jshtml())

Once Loop Reflect

Note that if only a partial history is given, only partial results will be displayed (see below).

fig, ax = mg.draw_from(15, mdlhist, figsize=(6,4), withlegend=False)

We can also plot the states of this against the nominal run using:

mdlhist

nominal.i.finished:            array(56)
nominal.i.on:                  array(56)
nominal.flows.ee_1.s.current:  array(56)
nominal.flows.ee_1.s.voltage:  array(56)
nominal.flows.sig_1.s.power:   array(56)
nominal.flows.wat_1.s.flowrate: array(56)
nominal.flows.wat_1.s.pressure: array(56)
nominal.flows.wat_1.s.area:    array(56)
nominal.flows.wat_1.s.level:   array(56)
nominal.flows.wat_2.s.flowrate: array(56)
nominal.flows.wat_2.s.pressure: array(56)
nominal.flows.wat_2.s.area:    array(56)
nominal.flows.wat_2.s.level:   array(56)
nominal.fxns.import_ee.s.effstate: array(56)
nominal.fxns.import_ee.m.faults.no_v: array(56)
nominal.fxns.import_ee.m.faults.inf_v: array(56)
nominal.fxns.import_           array(56)
nominal.fxns.import_           array(56)
nominal.fxns.import_           array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_water.s.eff: array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_water.m.faults.short: array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.export_           array(56)
nominal.time:                  array(56)
faulty.i.finished:             array(56)
faulty.i.on:                   array(56)
faulty.flows.ee_1.s.current:   array(56)
faulty.flows.ee_1.s.voltage:   array(56)
faulty.flows.sig_1.s.power:    array(56)
faulty.flows.wat_1.s.flowrate: array(56)
faulty.flows.wat_1.s.pressure: array(56)
faulty.flows.wat_1.s.area:     array(56)
faulty.flows.wat_1.s.level:    array(56)
faulty.flows.wat_2.s.flowrate: array(56)
faulty.flows.wat_2.s.pressure: array(56)
faulty.flows.wat_2.s.area:     array(56)
faulty.flows.wat_2.s.level:    array(56)
faulty.fxns.import_ee.s.effstate: array(56)
faulty.fxns.import_ee.m.faults.no_v: array(56)
faulty.fxns.import_ee.m.faults.inf_v: array(56)
faulty.fxns.import_w           array(56)
faulty.fxns.import_w           array(56)
faulty.fxns.import_s           array(56)
faulty.fxns.move_water.i.over_pressure: array(56)
faulty.fxns.move_water.s.eff:  array(56)
faulty.fxns.move_wat           array(56)
faulty.fxns.move_water.m.faults.short: array(56)
faulty.fxns.move_wat           array(56)
faulty.fxns.move_wat           array(56)
faulty.fxns.export_w           array(56)
faulty.time:                   array(56)

fig, axs = mdlhist.plot_line('flows.ee_1.s.current', 'flows.wat_2.s.flowrate',
                             title="Response of Pump to Short", time_slice=10, legend_loc=False, title_padding=0.1)

As you can see, the system begins nominal until the fault is injected at \(t=10\). At this moment, not only are the electrical energy flows degraded, the flow of water is degraded also. However, at \(t=55\) when the system is supposed to be turned off, this flow of water is no longer “degraded” because it is in the same state as the nominal system.

We can look at a table of to see more precisely what happened (and export, if needed). Note that we need to give the plotting function the mode (‘short’) and the time for it to plot properly.

mdlhist.as_table()

	nominal.i.finished	nominal.i.on	nominal.flows.ee_1.s.current	nominal.flows.ee_1.s.voltage	nominal.flows.sig_1.s.power	nominal.flows.wat_1.s.flowrate	nominal.flows.wat_1.s.pressure	nominal.flows.wat_1.s.area	nominal.flows.wat_1.s.level	nominal.flows.wat_2.s.flowrate	...	faulty.fxns.import_water.m.faults.less_wat	faulty.fxns.import_signal.m.faults.no_sig	faulty.fxns.move_water.i.over_pressure	faulty.fxns.move_water.s.eff	faulty.fxns.move_water.m.faults.mech_break	faulty.fxns.move_water.m.faults.short	faulty.fxns.move_water.t.pressure_limit.time	faulty.fxns.move_water.t.pressure_limit.mode	faulty.fxns.export_water.m.faults.block	faulty.time
0	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	1.0	False	False	0.0	standby	False	0.0
1	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	1.0	False	False	0.0	standby	False	1.0
2	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	1.0	False	False	0.0	standby	False	2.0
3	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	1.0	False	False	0.0	standby	False	3.0
4	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	1.0	False	False	0.0	standby	False	4.0
5	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	1.0	False	False	0.0	standby	False	5.0
6	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	1.0	False	False	0.0	standby	False	6.0
7	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	1.0	False	False	0.0	standby	False	7.0
8	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	1.0	False	False	0.0	standby	False	8.0
9	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	1.0	False	False	0.0	standby	False	9.0
10	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	10.0
11	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	11.0
12	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	12.0
13	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	13.0
14	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	14.0
15	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	15.0
16	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	16.0
17	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	17.0
18	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	18.0
19	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	19.0
20	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	20.0
21	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	21.0
22	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	22.0
23	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	23.0
24	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	24.0
25	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	25.0
26	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	26.0
27	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	27.0
28	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	28.0
29	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	29.0
30	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	30.0
31	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	31.0
32	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	32.0
33	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	33.0
34	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	34.0
35	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	35.0
36	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	36.0
37	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	37.0
38	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	38.0
39	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	39.0
40	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	40.0
41	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	41.0
42	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	42.0
43	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	43.0
44	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	44.0
45	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	45.0
46	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	46.0
47	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	47.0
48	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	48.0
49	False	True	10.0	500.0	1.0	0.3	10.0	1.0	1.0	0.3	...	False	False	False	0.0	False	True	0.0	standby	False	49.0
50	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	0.0	False	True	0.0	standby	False	50.0
51	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	0.0	False	True	0.0	standby	False	51.0
52	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	0.0	False	True	0.0	standby	False	52.0
53	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	0.0	False	True	0.0	standby	False	53.0
54	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	0.0	False	True	0.0	standby	False	54.0
55	False	False	0.0	500.0	0.0	0.0	0.0	1.0	1.0	0.0	...	False	False	False	0.0	False	True	0.0	standby	False	55.0

56 rows × 54 columns

Here we can see that the short dropped the voltage to zero, (this was because an open circuit resulted in the Import EE function), causing the water to stop flowing. Below, we use the processed model history to show the faults and degradation of states over time. In this case, 1 means nominal while 0 means degraded.

deghist = mdlhist_full.get_degraded_hist(*mdl.fxns, *mdl.flows)

deghist.as_table()[:20]

	import_ee	import_water	import_signal	move_water	export_water	ee_1	sig_1	wat_1	wat_2	total	time
0	False	False	False	False	False	False	False	False	False	9	0.0
1	False	False	False	False	False	False	False	False	False	9	1.0
2	False	False	False	False	False	False	False	False	False	9	2.0
3	False	False	False	False	False	False	False	False	False	9	3.0
4	False	False	False	False	False	False	False	False	False	9	4.0
5	False	False	False	False	False	False	False	False	False	9	5.0
6	False	False	False	False	False	False	False	False	False	9	6.0
7	False	False	False	False	False	False	False	False	False	9	7.0
8	False	False	False	False	False	False	False	False	False	9	8.0
9	False	False	False	False	False	False	False	False	False	9	9.0
10	True	False	False	True	False	True	False	True	True	4	10.0
11	True	False	False	True	False	True	False	True	True	4	11.0
12	True	False	False	True	False	True	False	True	True	4	12.0
13	True	False	False	True	False	True	False	True	True	4	13.0
14	True	False	False	True	False	True	False	True	True	4	14.0
15	True	False	False	True	False	True	False	True	True	4	15.0
16	True	False	False	True	False	True	False	True	True	4	16.0
17	True	False	False	True	False	True	False	True	True	4	17.0
18	True	False	False	True	False	True	False	True	True	4	18.0
19	True	False	False	True	False	True	False	True	True	4	19.0

We can also look at the faults over time…

faulthist = mdlhist_full.get_faulty_hist(*mdl.fxns)
faulthist.as_table()[0:20]

	import_ee	import_water	import_signal	move_water	export_water	total	time
0	False	False	False	False	False	0	0.0
1	False	False	False	False	False	0	1.0
2	False	False	False	False	False	0	2.0
3	False	False	False	False	False	0	3.0
4	False	False	False	False	False	0	4.0
5	False	False	False	False	False	0	5.0
6	False	False	False	False	False	0	6.0
7	False	False	False	False	False	0	7.0
8	False	False	False	False	False	0	8.0
9	False	False	False	False	False	0	9.0
10	True	False	False	True	False	2	10.0
11	True	False	False	True	False	2	11.0
12	True	False	False	True	False	2	12.0
13	True	False	False	True	False	2	13.0
14	True	False	False	True	False	2	14.0
15	True	False	False	True	False	2	15.0
16	True	False	False	True	False	2	16.0
17	True	False	False	True	False	2	17.0
18	True	False	False	True	False	2	18.0
19	True	False	False	True	False	2	19.0

We can also look at statistics of degradation over time using:

summ = mdlhist_full.get_fault_degradation_summary(*mdl.fxns, *mdl.flows)
summ.faulty

['import_ee', 'move_water']

summ.degraded

['import_ee',
 'import_water',
 'import_signal',
 'move_water',
 'export_water',
 'ee_1',
 'sig_1',
 'wat_1',
 'wat_2']

Blockage Fault

We can also look at other faults. The results below are for a blockage of the pipe. In this case we’re only interested in the effect on the water going through, so only those flows are tracked.

endresults2, mdlhist2=propagate.one_fault(mdl, 'export_water', 'block',
                                          time=10, desired_result=['endclass', 'graph', 'endfaults'])
summ = mdlhist_full.get_fault_degradation_summary(*mdl.fxns, *mdl.flows)

summ.faulty

['import_ee', 'move_water']

summ.degraded

['import_ee',
 'import_water',
 'import_signal',
 'move_water',
 'export_water',
 'ee_1',
 'sig_1',
 'wat_1',
 'wat_2']

fig, ax = endresults2.graph.draw(figsize=(6,4), withlegend=False)

mdlhist

nominal.i.finished:            array(56)
nominal.i.on:                  array(56)
nominal.flows.ee_1.s.current:  array(56)
nominal.flows.ee_1.s.voltage:  array(56)
nominal.flows.sig_1.s.power:   array(56)
nominal.flows.wat_1.s.flowrate: array(56)
nominal.flows.wat_1.s.pressure: array(56)
nominal.flows.wat_1.s.area:    array(56)
nominal.flows.wat_1.s.level:   array(56)
nominal.flows.wat_2.s.flowrate: array(56)
nominal.flows.wat_2.s.pressure: array(56)
nominal.flows.wat_2.s.area:    array(56)
nominal.flows.wat_2.s.level:   array(56)
nominal.fxns.import_ee.s.effstate: array(56)
nominal.fxns.import_ee.m.faults.no_v: array(56)
nominal.fxns.import_ee.m.faults.inf_v: array(56)
nominal.fxns.import_           array(56)
nominal.fxns.import_           array(56)
nominal.fxns.import_           array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_water.s.eff: array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_water.m.faults.short: array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.export_           array(56)
nominal.time:                  array(56)
faulty.i.finished:             array(56)
faulty.i.on:                   array(56)
faulty.flows.ee_1.s.current:   array(56)
faulty.flows.ee_1.s.voltage:   array(56)
faulty.flows.sig_1.s.power:    array(56)
faulty.flows.wat_1.s.flowrate: array(56)
faulty.flows.wat_1.s.pressure: array(56)
faulty.flows.wat_1.s.area:     array(56)
faulty.flows.wat_1.s.level:    array(56)
faulty.flows.wat_2.s.flowrate: array(56)
faulty.flows.wat_2.s.pressure: array(56)
faulty.flows.wat_2.s.area:     array(56)
faulty.flows.wat_2.s.level:    array(56)
faulty.fxns.import_ee.s.effstate: array(56)
faulty.fxns.import_ee.m.faults.no_v: array(56)
faulty.fxns.import_ee.m.faults.inf_v: array(56)
faulty.fxns.import_w           array(56)
faulty.fxns.import_w           array(56)
faulty.fxns.import_s           array(56)
faulty.fxns.move_water.i.over_pressure: array(56)
faulty.fxns.move_water.s.eff:  array(56)
faulty.fxns.move_wat           array(56)
faulty.fxns.move_water.m.faults.short: array(56)
faulty.fxns.move_wat           array(56)
faulty.fxns.move_wat           array(56)
faulty.fxns.export_w           array(56)
faulty.time:                   array(56)

fig, axs = mdlhist2.plot_line('flows.ee_1.s.current', 'flows.wat_2.s.flowrate',
                              title = 'Response of Pump to blockage', time_slice=10, legend_loc=False, title_padding=0.1)

Visualization of resilience metrics

We can also use the processed time history to now make visualizations of the resilience of the system over time.

Here we calculate the percent time the simulation was decraded over the simulation interval:

fxns_and_flows = [*mdl.get_roles_as_dict("fxns", "flows", flex_prefixes=True)]
deghist = mdlhist_full.get_degraded_hist(*fxns_and_flows)
exp = deghist.get_metrics()

exp

flows.ee_1:           0.8214285714285714
flows.sig_1:                         0.0
flows.wat_1:          0.7142857142857143
flows.wat_2:          0.7142857142857143
fxns.import_ee:       0.8214285714285714
fxns.import_water:                   0.0
fxns.import_signal:                  0.0
fxns.move_water:      0.8214285714285714
fxns.export_water:                   0.0
total:                 5.107142857142857
time:                               27.5

These metrics (and others like them) can then be overlayed as a heatmap using set_heatmap.

mg = FunctionArchitectureGraph(mdl)
mg.set_heatmap({mdl.name+"."+k: v for k, v in exp.items()})
mg.draw()

(<Figure size 1200x1000 with 1 Axes>, <Axes: >)

Network metrics can also be overlaid on the graphs:

mg = FunctionArchitectureGraph(mdl)
fig, ax = mg.plot_high_degree_nodes()

mg = FunctionArchitectureGraph(mdl)
fig, ax = mg.plot_bridging_nodes()

Running a List of Faults

Finally, to get the results of all of the single-fault scenarios defined in the model, we can run them all at once using the single_faults() function. Note that this will propagate faults based on the times vector put in the model it will propogate the faults at the begining, end, and at t=15 and t=15. This function only takes in the model mdl and outputs two similar kinds of output–resultsdict (the results in a python dictionary) and resultstab (the results in a nice tabular form).

Note that the rates provide for this table do not use the opportunity vector information, instead using the assumption that the fault scenario has the rate provided over the entire simulation.

See below:

endclasses, mdlhists=propagate.single_faults(mdl, staged=True, track="all")

SCENARIOS COMPLETE: 100%|██████████| 8/8 [00:00<00:00, 14.48it/s]

We can visualize the metrics for each scenario using Result.create_simple_fmea

endclasses.create_simple_fmea()

	rate	cost	expected_cost
import_ee_no_v_t0p0	0.000008	20125.0	16100.0
import_ee_inf_v_t0p0	0.000002	25125.0	5025.0
import_water_no_wat_t0p0	0.000010	11125.0	11125.0
import_water_less_wat_t0p0	0.000010	5062.5	5062.5
import_signal_no_sig_t0p0	0.000001	20125.0	2012.5
move_water_mech_break_t0p0	0.000006	15125.0	9075.0
move_water_short_t0p0	0.000010	30125.0	30125.0
export_water_block_t0p0	0.000010	20102.5	20102.5
nominal	1.000000	0.0	0.0

We can see corresponding degradations using tabulate.result_summary.fmea()

fullfmea = an.tabulate.result_summary_fmea(endclasses, mdlhists, *mdl.fxns, *mdl.flows)
fullfmea[:10]

	degraded	faulty	rate	cost	expected_cost
import_ee_no_v_t0p0	['import_water', 'import_signal', 'move_water'...	['import_ee']	0.000008	20125.0	16100.0
import_ee_inf_v_t0p0	['import_water', 'import_signal', 'move_water'...	['import_ee']	0.000002	25125.0	5025.0
import_water_no_wat_t0p0	['import_ee', 'import_signal', 'move_water', '...	['import_water']	0.00001	11125.0	11125.0
import_water_less_wat_t0p0	['import_ee', 'import_signal', 'move_water', '...	['import_water']	0.00001	5062.5	5062.5
import_signal_no_sig_t0p0	['import_ee', 'import_water', 'move_water', 'e...	['import_signal']	0.000001	20125.0	2012.5
move_water_mech_break_t0p0	['import_ee', 'import_water', 'import_signal',...	['move_water']	0.000006	15125.0	9075.0
move_water_short_t0p0	['import_ee', 'import_water', 'import_signal',...	['import_ee', 'move_water']	0.00001	30125.0	30125.0
export_water_block_t0p0	['import_ee', 'import_water', 'import_signal',...	['move_water', 'export_water']	0.00001	20102.5	20102.5
nominal	['import_ee', 'import_water', 'import_signal',...	[]	1.0	0.0	0.0

Running a Fault Sampling Approach

Note that only gives accurate results for costs and fault responses–in order to get an accurate idea of expected cost, we instead run a FaultSample or SampleApproach, which develops an underlying probability model for faults. See below.

from fmdtools.sim.sample import FaultDomain, FaultSample

fd = FaultDomain(mdl)
fd.add_all()
fd

FaultDomain with faults:
 -('import_ee', 'no_v')
 -('import_ee', 'inf_v')
 -('import_water', 'no_wat')
 -('import_water', 'less_wat')
 -('import_signal', 'no_sig')
 -('move_water', 'mech_break')
 -('move_water', 'short')
 -('export_water', 'block')

from fmdtools.analyze.phases import PhaseMap
fs = FaultSample(fd, phasemap=PhaseMap(mdl.sp.phases))
fs.add_fault_phases()
fs

FaultSample of scenarios:
 - import_ee_no_v_t2p0
 - import_ee_inf_v_t2p0
 - import_water_no_wat_t2p0
 - import_water_less_wat_t2p0
 - import_signal_no_sig_t2p0
 - move_water_mech_break_t2p0
 - move_water_short_t2p0
 - export_water_block_t2p0
 - import_ee_no_v_t27p0
 - import_ee_inf_v_t27p0
 - ... (24 total)

endclasses, mdlhists=propagate.fault_sample(mdl, fs, staged=True, track="all")
simplefmea = endclasses.create_simple_fmea() #note the costs are the same, but the rates and expected costs are not
simplefmea[:5]

SCENARIOS COMPLETE: 100%|██████████| 24/24 [00:00<00:00, 26.03it/s]

	rate	cost	expected_cost
import_ee_no_v_t2p0	0.000000	20125.0	0.00
import_ee_inf_v_t2p0	0.000000	25125.0	0.00
import_water_no_wat_t2p0	0.000010	11125.0	11125.00
import_water_less_wat_t2p0	0.000010	5062.5	5062.50
import_signal_no_sig_t2p0	0.000002	20125.0	3018.75

We can now summarize the risks of faults over the operational phases and overall using the FMEA class:

phasefmea = an.tabulate.FMEA(endclasses, fs, group_by=('function', 'fault', 'phase'))
phasefmea.as_table()

			rate	cost	expected_cost
move_water	short	start	1.500000e-05	37656.250	0.451875
export_water	block	start	1.500000e-05	25128.125	0.301538
move_water	short	on	1.000000e-05	25175.000	0.251750
export_water	block	on	1.000000e-05	15152.500	0.151525
import_ee	no_v	on	8.000000e-06	13657.500	0.121400
import_water	no_wat	start	1.000000e-05	11125.000	0.111250
move_water	short	end	1.000000e-05	10000.000	0.100000
	mech_break	on	7.200000e-06	8750.500	0.073260
import_water	no_wat	on	1.000000e-05	6175.000	0.061750
	less_wat	start	1.000000e-05	5062.500	0.050625
export_water	block	end	1.000000e-05	5000.000	0.050000
import_ee	inf_v	on	2.000000e-06	12105.000	0.040350
import_signal	no_sig	start	1.500000e-06	11571.875	0.030188
import_water	less_wat	on	1.000000e-05	2587.500	0.025875
import_signal	no_sig	on	1.000000e-06	8346.250	0.015175
		end	1.000000e-06	5500.000	0.010000
import_water	no_wat	end	1.000000e-05	1000.000	0.010000
move_water	mech_break	start	6.000000e-07	8016.250	0.009075
		end	6.000000e-07	2650.000	0.003000
import_ee	inf_v	end	0.000000e+00	2500.000	0.000000
import_water	less_wat	end	1.000000e-05	0.000	0.000000
import_ee	inf_v	start	0.000000e+00	12562.500	0.000000
	no_v	start	0.000000e+00	10062.500	0.000000
		end	0.000000e+00	5000.000	0.000000

summfmea = an.tabulate.FMEA(endclasses, fs)
summfmea.as_table()

		rate	cost	expected_cost
move_water	short	0.000035	24277.083333	0.803625
export_water	block	0.000035	15093.541667	0.503063
import_water	no_wat	0.000030	6100.000000	0.183000
import_ee	no_v	0.000008	9573.333333	0.121400
move_water	mech_break	0.000008	6472.250000	0.085335
import_water	less_wat	0.000030	2550.000000	0.076500
import_signal	no_sig	0.000003	8472.708333	0.055363
import_ee	inf_v	0.000002	9055.833333	0.040350

History visualization

We can further overlay expected resilience metrics on the model over fault scenarios using various methods provided with History and Result.

Below we get the expected values of the history values:

hist_expected = mdlhists.get_expected(app=fs, with_nominal=True)

Next we get the expected degradations:

deg=hist_expected.get_degraded_hist(*fxns_and_flows, nomhist=mdlhists.nominal)

deg

flows.ee_1:                    array(56)
flows.sig_1:                   array(56)
flows.wat_1:                   array(56)
flows.wat_2:                   array(56)
fxns.import_ee:                array(56)
fxns.move_water:               array(56)
total:                         array(56)
time:                          array(56)

import numpy as np
heatmap = deg.get_metrics(metric=np.mean)

These metrics can in turn be overlayed on the graph using set_heatmap.

from fmdtools.define.architecture.function import FunctionArchitectureGraph
mg = FunctionArchitectureGraph(mdl)
mg.set_heatmap({mdl.name+"."+k: v for k, v in exp.items()})
mg.draw()

(<Figure size 1200x1000 with 1 Axes>, <Axes: >)

Save/Load

In detailed simulations, running a lot of computational simulations can take a considerable amount of time. As a result, it becomes impractical to run a new simulation every time one wishes to analyse its data. Results from fmdtools simulations (endclasses or mdlhists) can be saved as pickle, csv, or json files in this instance using either: - Result.save or History.save or - passing a save_args dictionary to the respective propagate functions (e.g., {‘endclass’:{‘filename’:’file.pkl’,’overwrite’:True})

and then loaded using: - Result.load or History.load

mdlhists

import_ee_no_v_t2p0.i.finished: array(56)
import_ee_no_v_t2p0.i.on:      array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.flows.wat_1.s.area: array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.flows.wat_2.s.area: array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
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import_ee_inf_v_t2p0.i.finished: array(56)
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move_water_short_t2p0.time:    array(56)
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import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig_t27p0.time: array(56)
move_water_mech_break_t27p0.i.finished: array(56)
move_water_mech_break_t27p0.i.on: array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_break_t27p0.time: array(56)
move_water_short_t27p0.i.finished: array(56)
move_water_short_t27p0.i.on:   array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27           array(56)
move_water_short_t27p0.time:   array(56)
export_water_block_t27p0.i.finished: array(56)
export_water_block_t27p0.i.on: array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t27p0.time: array(56)
import_ee_no_v_t52p0.i.finished: array(56)
import_ee_no_v_t52p0.i.on:     array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0           array(56)
import_ee_no_v_t52p0.time:     array(56)
import_ee_inf_v_t52p0.i.finished: array(56)
import_ee_inf_v_t52p0.i.on:    array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p0.time:    array(56)
import_water_no_wat_t52p0.i.finished: array(56)
import_water_no_wat_t52p0.i.on: array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_t52p0.time: array(56)
import_water_less_wat_t52p0.i.finished: array(56)
import_water_less_wat_t52p0.i.on: array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wat_t52p0.time: array(56)
import_signal_no_sig_t52p0.i.finished: array(56)
import_signal_no_sig_t52p0.i.on: array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig_t52p0.time: array(56)
move_water_mech_break_t52p0.i.finished: array(56)
move_water_mech_break_t52p0.i.on: array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_break_t52p0.time: array(56)
move_water_short_t52p0.i.finished: array(56)
move_water_short_t52p0.i.on:   array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52           array(56)
move_water_short_t52p0.time:   array(56)
export_water_block_t52p0.i.finished: array(56)
export_water_block_t52p0.i.on: array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t           array(56)
export_water_block_t52p0.time: array(56)
nominal.i.finished:            array(56)
nominal.i.on:                  array(56)
nominal.flows.ee_1.s.current:  array(56)
nominal.flows.ee_1.s.voltage:  array(56)
nominal.flows.sig_1.s.power:   array(56)
nominal.flows.wat_1.s.flowrate: array(56)
nominal.flows.wat_1.s.pressure: array(56)
nominal.flows.wat_1.s.area:    array(56)
nominal.flows.wat_1.s.level:   array(56)
nominal.flows.wat_2.s.flowrate: array(56)
nominal.flows.wat_2.s.pressure: array(56)
nominal.flows.wat_2.s.area:    array(56)
nominal.flows.wat_2.s.level:   array(56)
nominal.fxns.import_ee.s.effstate: array(56)
nominal.fxns.import_ee.m.faults.no_v: array(56)
nominal.fxns.import_ee.m.faults.inf_v: array(56)
nominal.fxns.import_           array(56)
nominal.fxns.import_           array(56)
nominal.fxns.import_           array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_water.s.eff: array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_water.m.faults.short: array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.export_           array(56)
nominal.time:                  array(56)

This saves a history to a file:

mdlhists.save("example_mdlhist.npz", overwrite=True)

File already exists: example_mdlhist.npz, writing anyway...

And this loads this history:

mdlhists_saved  = an.history.History.load("example_mdlhist.npz")

mdlhists_saved

import_ee_no_v_t2p0.i.finished: array(56)
import_ee_no_v_t2p0.i.on:      array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.flows.wat_1.s.area: array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.flows.wat_2.s.area: array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.           array(56)
import_ee_no_v_t2p0.time:      array(56)
import_ee_inf_v_t2p0.i.finished: array(56)
import_ee_inf_v_t2p0.i.on:     array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0           array(56)
import_ee_inf_v_t2p0.time:     array(56)
import_water_no_wat_t2p0.i.finished: array(56)
import_water_no_wat_t2p0.i.on: array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_t2p0.time: array(56)
import_water_less_wat_t2p0.i.finished: array(56)
import_water_less_wat_t2p0.i.on: array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wat_t2p0.time: array(56)
import_signal_no_sig_t2p0.i.finished: array(56)
import_signal_no_sig_t2p0.i.on: array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig_t2p0.time: array(56)
move_water_mech_break_t2p0.i.finished: array(56)
move_water_mech_break_t2p0.i.on: array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
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move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
move_water_mech_brea           array(56)
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move_water_mech_break_t2p0.time: array(56)
move_water_short_t2p0.i.finished: array(56)
move_water_short_t2p0.i.on:    array(56)
move_water_short_t2p           array(56)
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move_water_short_t2p           array(56)
move_water_short_t2p           array(56)
move_water_short_t2p0.time:    array(56)
export_water_block_t2p0.i.finished: array(56)
export_water_block_t2p0.i.on:  array(56)
export_water_block_t           array(56)
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export_water_block_t           array(56)
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export_water_block_t2p0.time:  array(56)
import_ee_no_v_t27p0.i.finished: array(56)
import_ee_no_v_t27p0.i.on:     array(56)
import_ee_no_v_t27p0           array(56)
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import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
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import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0           array(56)
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import_ee_no_v_t27p0           array(56)
import_ee_no_v_t27p0.time:     array(56)
import_ee_inf_v_t27p0.i.finished: array(56)
import_ee_inf_v_t27p0.i.on:    array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p           array(56)
import_ee_inf_v_t27p0.time:    array(56)
import_water_no_wat_t27p0.i.finished: array(56)
import_water_no_wat_t27p0.i.on: array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
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import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_           array(56)
import_water_no_wat_t27p0.time: array(56)
import_water_less_wat_t27p0.i.finished: array(56)
import_water_less_wat_t27p0.i.on: array(56)
import_water_less_wa           array(56)
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import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wa           array(56)
import_water_less_wat_t27p0.time: array(56)
import_signal_no_sig_t27p0.i.finished: array(56)
import_signal_no_sig_t27p0.i.on: array(56)
import_signal_no_sig           array(56)
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import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig_t27p0.time: array(56)
move_water_mech_break_t27p0.i.finished: array(56)
move_water_mech_break_t27p0.i.on: array(56)
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move_water_mech_break_t27p0.time: array(56)
move_water_short_t27p0.i.finished: array(56)
move_water_short_t27p0.i.on:   array(56)
move_water_short_t27           array(56)
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move_water_short_t27p0.time:   array(56)
export_water_block_t27p0.i.finished: array(56)
export_water_block_t27p0.i.on: array(56)
export_water_block_t           array(56)
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export_water_block_t27p0.time: array(56)
import_ee_no_v_t52p0.i.finished: array(56)
import_ee_no_v_t52p0.i.on:     array(56)
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import_ee_no_v_t52p0.time:     array(56)
import_ee_inf_v_t52p0.i.finished: array(56)
import_ee_inf_v_t52p0.i.on:    array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p           array(56)
import_ee_inf_v_t52p0.time:    array(56)
import_water_no_wat_t52p0.i.finished: array(56)
import_water_no_wat_t52p0.i.on: array(56)
import_water_no_wat_           array(56)
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import_water_no_wat_t52p0.time: array(56)
import_water_less_wat_t52p0.i.finished: array(56)
import_water_less_wat_t52p0.i.on: array(56)
import_water_less_wa           array(56)
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import_water_less_wat_t52p0.time: array(56)
import_signal_no_sig_t52p0.i.finished: array(56)
import_signal_no_sig_t52p0.i.on: array(56)
import_signal_no_sig           array(56)
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import_signal_no_sig           array(56)
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import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig           array(56)
import_signal_no_sig_t52p0.time: array(56)
move_water_mech_break_t52p0.i.finished: array(56)
move_water_mech_break_t52p0.i.on: array(56)
move_water_mech_brea           array(56)
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move_water_mech_break_t52p0.time: array(56)
move_water_short_t52p0.i.finished: array(56)
move_water_short_t52p0.i.on:   array(56)
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move_water_short_t52p0.time:   array(56)
export_water_block_t52p0.i.finished: array(56)
export_water_block_t52p0.i.on: array(56)
export_water_block_t           array(56)
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export_water_block_t52p0.time: array(56)
nominal.i.finished:            array(56)
nominal.i.on:                  array(56)
nominal.flows.ee_1.s.current:  array(56)
nominal.flows.ee_1.s.voltage:  array(56)
nominal.flows.sig_1.s.power:   array(56)
nominal.flows.wat_1.s.flowrate: array(56)
nominal.flows.wat_1.s.pressure: array(56)
nominal.flows.wat_1.s.area:    array(56)
nominal.flows.wat_1.s.level:   array(56)
nominal.flows.wat_2.s.flowrate: array(56)
nominal.flows.wat_2.s.pressure: array(56)
nominal.flows.wat_2.s.area:    array(56)
nominal.flows.wat_2.s.level:   array(56)
nominal.fxns.import_ee.s.effstate: array(56)
nominal.fxns.import_ee.m.faults.no_v: array(56)
nominal.fxns.import_ee.m.faults.inf_v: array(56)
nominal.fxns.import_           array(56)
nominal.fxns.import_           array(56)
nominal.fxns.import_           array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_water.s.eff: array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_water.m.faults.short: array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.move_wa           array(56)
nominal.fxns.export_           array(56)
nominal.time:                  array(56)

Note that there are different trade-offs to using different file formats: - npz is the serialization format provided in numpy, which is fast but not human readable - csv outputs as comma separated values, which are slower and less robust (in terms of data types), but are human-readable and can be opened in a spreadsheet software like excel. - json is similar to csv, but is less human readable.