File: t_OptimizationAnalysis_std.py

package info (click to toggle)
persalys 13.1.1%2Bds-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 71,916 kB
  • sloc: xml: 496,859; cpp: 53,848; python: 3,435; sh: 332; makefile: 131; ansic: 14
file content (48 lines) | stat: -rwxr-xr-x 1,224 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
#! /usr/bin/env python

import openturns as ot
import persalys

myStudy = persalys.Study("myStudy")

# Model
X0 = persalys.Input("X0", ot.Normal(1, 1))
X1 = persalys.Input("X1", ot.Normal(1, 1))
Y00 = persalys.Output("fake_Y0")
Y00.setIsSelected(False)
Y0 = persalys.Output("Y0")

formula_Y00 = "X0"
formula_Y0 = "3*(X0-5)^2 + 8*(X1+8)^2"
model = persalys.SymbolicPhysicalModel(
    "aModelPhys", [X0, X1], [Y00, Y0], [formula_Y00, formula_Y0]
)
myStudy.add(model)

# Monte Carlo ##
analysis = persalys.OptimizationAnalysis("optim", model, "Cobyla")
analysis.setInterestVariables(["Y0"])
analysis.setStartingPoint([0.5, 0.5])
analysis.addConstraint("Y0<600.0")
interval = ot.Interval([-5, 0], [5, 0])
analysis.setBounds(interval)
analysis.setVariableInputs(["X0"])
analysis.setMaximumEvaluationNumber(150)
analysis.setMaximumAbsoluteError(1e-6)
analysis.setMaximumRelativeError(1e-6)
analysis.setMaximumResidualError(1e-6)
analysis.setMaximumConstraintError(1e-6)
myStudy.add(analysis)
print(analysis)

analysis.run()

result = analysis.getResult()
# print("result=", result)
print("x=", result.getOptimalPoint())
print("y=", result.getOptimalValue())

# script
script = myStudy.getPythonScript()
print(script)
exec(script)