-
Notifications
You must be signed in to change notification settings - Fork 6
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
1b17747
commit bb8d7a3
Showing
7 changed files
with
132 additions
and
116 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,93 @@ | ||
#include "openturns/OT.hxx" | ||
#include "openturns/OTtestcode.hxx" | ||
#include "otrobopt/OTRobOpt.hxx" | ||
|
||
using namespace OT; | ||
using namespace OT::Test; | ||
using namespace OTROBOPT; | ||
|
||
|
||
int main() | ||
{ | ||
TESTPREAMBLE; | ||
Log::Show(Log::INFO); | ||
OStream fullprint(std::cout); | ||
|
||
try | ||
{ | ||
// sphere under pressure | ||
const UnsignedInteger dim = 3; | ||
const SymbolicFunction function(Description({"R", "e", "mulog_e", "p"}), Description({"700.0-p*R/(2.*e)"})); | ||
|
||
const Scalar L0 = -4.715; | ||
ParametricFunction parametric(function, Indices({2}), Point({L0})); | ||
|
||
Dirac mulog_eDist(L0); | ||
mulog_eDist.setDescription(Description(1, "mulog_e")); | ||
ComposedDistribution::DistributionCollection eColl; eColl.add(mulog_eDist); eColl.add(Dirac(0.1)); eColl.add(Dirac(0.)); | ||
ComposedDistribution eParams(eColl); | ||
|
||
ComposedDistribution::DistributionCollection coll; | ||
coll.add(Beta(0.117284, 0.117284, 2.9, 3.1));//R | ||
ConditionalDistribution eDist(LogNormal(L0, 0.1, 0.), eParams); | ||
|
||
coll.add(eDist);//e | ||
coll.add(WeibullMin(3.16471, 9.21097, 0.0));//p | ||
ComposedDistribution myDistribution(coll); | ||
|
||
Point median(dim); | ||
for(UnsignedInteger i = 0; i < dim; ++ i) | ||
median[i] = myDistribution.getMarginal(i).computeQuantile(0.5)[0]; | ||
|
||
/* We create a 'usual' RandomVector from the Distribution */ | ||
RandomVector vect(myDistribution); | ||
|
||
/* We create a composite random vector */ | ||
CompositeRandomVector output(parametric, vect); | ||
|
||
/* We create an Event from this RandomVector */ | ||
ThresholdEvent event(output, Less(), 0.); | ||
|
||
fullprint << "event=" << event << std::endl; | ||
|
||
// create the algorithm | ||
InverseFORM algo(event, "mulog_e", median); | ||
|
||
// print result | ||
algo.run(); | ||
const InverseFORMResult result(algo.getResult()); | ||
fullprint << "Inverse FORM result=" << result << std::endl; | ||
assert_almost_equal(result.getParameter(), Point({-4.69056}), 0.0, 0.03); | ||
|
||
// FORM must yield the same probability on the limit state with parameter set to the optimum | ||
eColl[0] = Dirac(result.getParameter()[0]); | ||
eParams = ComposedDistribution(eColl); | ||
eDist = ConditionalDistribution(LogNormal(result.getParameter()[0], 0.1, 0.0), eParams); | ||
coll[1] = eDist; | ||
myDistribution = ComposedDistribution(coll); | ||
vect = RandomVector(myDistribution); | ||
parametric.setParameter(result.getParameter()); | ||
output = CompositeRandomVector(parametric, vect); | ||
event = ThresholdEvent(output, Less(), 0.); | ||
|
||
Cobyla cobyla; | ||
cobyla.setMaximumIterationNumber(100); | ||
cobyla.setMaximumAbsoluteError(1.0e-10); | ||
cobyla.setMaximumRelativeError(1.0e-10); | ||
cobyla.setMaximumResidualError(1.0e-10); | ||
cobyla.setMaximumConstraintError(1.0e-10); | ||
|
||
FORM form(cobyla, event, median); | ||
form.run(); | ||
const FORMResult resultFORM(form.getResult()); | ||
fullprint << "result FORM="<<resultFORM << std::endl; | ||
assert_almost_equal(resultFORM.getHasoferReliabilityIndex(), algo.getTargetBeta(), 0.0, 0.1); | ||
} | ||
catch (const TestFailed & ex) | ||
{ | ||
std::cerr << ex << std::endl; | ||
return ExitCode::Error; | ||
} | ||
return ExitCode::Success; | ||
} | ||
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file was deleted.
Oops, something went wrong.