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ReducedModelOptimization
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Optimization using the second reduced model.

This commit is contained in:
Iason 2021-02-10 11:50:13 +02:00
parent cfdbe60f37
commit 97893cd618
2 changed files with 31 additions and 33 deletions
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7
src/main.cpp
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@ -48,7 +48,7 @@ int main(int argc, char *argv[]) {
ReducedModelOptimizer::xRange beamE{"E", 0.1, 1.9}; ReducedModelOptimizer::xRange beamE{"E", 0.1, 1.9};
ReducedModelOptimizer::xRange innerHexagonSize{"HexagonSize", 0.1, 0.9}; ReducedModelOptimizer::xRange innerHexagonSize{"HexagonSize", 0.1, 0.9};
// Test set of full patterns // Test set of full patterns
std::string fullPatternsTestSetDirectory = "TestSet"; std::string fullPatternsTestSetDirectory = "../TestSet";
if (!std::filesystem::exists( if (!std::filesystem::exists(
std::filesystem::path(fullPatternsTestSetDirectory))) { std::filesystem::path(fullPatternsTestSetDirectory))) {
std::cerr << "Full pattern directory does not exist: " std::cerr << "Full pattern directory does not exist: "
@ -87,7 +87,8 @@ int main(int argc, char *argv[]) {
beamDimensionsRatio.toString() + " " + beamDimensionsRatio.toString() + " " +
beamE.toString(); beamE.toString();
std::cout << xRangesString << std::endl; std::cout << xRangesString << std::endl;
settings.xRanges = {beamWidth, beamDimensionsRatio, beamE,innerHexagonSize}; settings.xRanges = {beamWidth, beamDimensionsRatio, beamE,
innerHexagonSize};
// std::filesystem::path thisOptimizationDirectory( // std::filesystem::path thisOptimizationDirectory(
// std::filesystem::path("../OptimizationResults").append(xRangesString)); // std::filesystem::path("../OptimizationResults").append(xRangesString));
// std::filesystem::create_directories(thisOptimizationDirectory); // std::filesystem::create_directories(thisOptimizationDirectory);
@ -103,7 +104,7 @@ int main(int argc, char *argv[]) {
resultsPerPattern(patternPairs.size()); resultsPerPattern(patternPairs.size());
auto start = std::chrono::high_resolution_clock::now(); auto start = std::chrono::high_resolution_clock::now();
#pragma omp parallel for //#pragma omp parallel for
for (int patternPairIndex = 0; patternPairIndex < patternPairs.size(); for (int patternPairIndex = 0; patternPairIndex < patternPairs.size();
patternPairIndex++) { patternPairIndex++) {
// const auto filepathString = filepath.string(); // const auto filepathString = filepath.string();

15
src/reducedmodeloptimizer.cpp
View File

@ -155,8 +155,7 @@ double ReducedModelOptimizer::computeError(
void updateMesh(long n, const double *x) { void updateMesh(long n, const double *x) {
auto &global = tls[omp_get_thread_num()]; auto &global = tls[omp_get_thread_num()];
std::shared_ptr<SimulationMesh> &pReducedPatternSimulationMesh = std::shared_ptr<SimulationMesh> &pReducedPatternSimulationMesh =
global global.g_reducedPatternSimulationJob[global.simulationScenarioIndices[0]]
.g_reducedPatternSimulationJob[global.simulationScenarioIndices[0]]
->pMesh; ->pMesh;
// const Element &elem = g_reducedPatternSimulationJob[0]->mesh->elements[0]; // const Element &elem = g_reducedPatternSimulationJob[0]->mesh->elements[0];
// std::cout << elem.axialConstFactor << " " << elem.torsionConstFactor << " // std::cout << elem.axialConstFactor << " " << elem.torsionConstFactor << "
@ -250,7 +249,7 @@ double ReducedModelOptimizer::objective(long n, const double *x) {
double error = 0; double error = 0;
FormFinder simulator; FormFinder simulator;
FormFinder::Settings simulationSettings; FormFinder::Settings simulationSettings;
simulationSettings.shouldDraw = true; // simulationSettings.shouldDraw = true;
for (const int simulationScenarioIndex : global.simulationScenarioIndices) { for (const int simulationScenarioIndex : global.simulationScenarioIndices) {
SimulationResults reducedModelResults = simulator.executeSimulation( SimulationResults reducedModelResults = simulator.executeSimulation(
global.g_reducedPatternSimulationJob[simulationScenarioIndex], global.g_reducedPatternSimulationJob[simulationScenarioIndex],
@ -296,8 +295,7 @@ double ReducedModelOptimizer::objective(long n, const double *x) {
std::ofstream out(filename, std::ios_base::app); std::ofstream out(filename, std::ios_base::app);
auto pMesh = auto pMesh =
global global
.g_reducedPatternSimulationJob[global .g_reducedPatternSimulationJob[global.simulationScenarioIndices[0]]
.simulationScenarioIndices[0]]
->pMesh; ->pMesh;
for (size_t parameterIndex = 0; parameterIndex < n; parameterIndex++) { for (size_t parameterIndex = 0; parameterIndex < n; parameterIndex++) {
@ -540,8 +538,8 @@ void ReducedModelOptimizer::initializeOptimizationParameters(
const std::shared_ptr<SimulationMesh> &mesh) { const std::shared_ptr<SimulationMesh> &mesh) {
auto &global = tls[omp_get_thread_num()]; auto &global = tls[omp_get_thread_num()];
global.numberOfOptimizationParameters = 3; global.numberOfOptimizationParameters = 3;
global.g_initialParameters.resize(global.optimizeInnerHexagonSize global.g_initialParameters.resize(
? ++global.numberOfOptimizationParameters global.optimizeInnerHexagonSize ? ++global.numberOfOptimizationParameters
: global.numberOfOptimizationParameters); : global.numberOfOptimizationParameters);
// Save save the beam stiffnesses // Save save the beam stiffnesses
// for (size_t ei = 0; ei < pReducedModelElementalMesh->EN(); ei++) { // for (size_t ei = 0; ei < pReducedModelElementalMesh->EN(); ei++) {
@ -694,8 +692,7 @@ ReducedModelOptimizer::Results ReducedModelOptimizer::runOptimization(
result = dlib::find_min_global( result = dlib::find_min_global(
objF, xMin, xMax, dlib::max_function_calls(settings.maxSimulations), objF, xMin, xMax, dlib::max_function_calls(settings.maxSimulations),
std::chrono::hours(24 * 365 * 290), settings.solutionAccuracy); std::chrono::hours(24 * 365 * 290), settings.solutionAccuracy);
} } else {
else {
double (*objF)(double, double, double) = &objective; double (*objF)(double, double, double) = &objective;
result = dlib::find_min_global( result = dlib::find_min_global(
objF, xMin, xMax, dlib::max_function_calls(settings.maxSimulations), objF, xMin, xMax, dlib::max_function_calls(settings.maxSimulations),