Files
solver/OndselSolver/AnyPosICNewtonRaphson.cpp
2024-04-03 08:56:40 +02:00

108 lines
3.0 KiB
C++

/***************************************************************************
* Copyright (c) 2023 Ondsel, Inc. *
* *
* This file is part of OndselSolver. *
* *
* See LICENSE file for details about copyright. *
***************************************************************************/
#include <iostream>
#include "AnyPosICNewtonRaphson.h"
#include "SystemSolver.h"
#include "Item.h"
#include "Part.h"
#include "Constraint.h"
using namespace MbD;
void AnyPosICNewtonRaphson::initialize()
{
NewtonRaphson::initialize();
nSingularMatrixError = 0;
}
void AnyPosICNewtonRaphson::initializeGlobally()
{
SystemNewtonRaphson::initializeGlobally();
system->partsJointsMotionsLimitsDo([&](std::shared_ptr<Item> item) {
item->fillqsu(qsuOld);
item->fillqsuWeights(qsuWeights);
item->fillqsulam(x);
});
}
void AnyPosICNewtonRaphson::createVectorsAndMatrices()
{
qsuOld = std::make_shared<FullColumn<double>>(nqsu);
qsuWeights = std::make_shared<DiagonalMatrix<double>>(nqsu);
SystemNewtonRaphson::createVectorsAndMatrices();
}
void AnyPosICNewtonRaphson::fillY()
{
auto newMinusOld = qsuOld->negated();
newMinusOld->equalSelfPlusFullColumnAt(x, 0);
y->zeroSelf();
y->atiminusFullColumn(0, (qsuWeights->timesFullColumn(newMinusOld)));
system->partsJointsMotionsLimitsDo([&](std::shared_ptr<Item> item) {
item->fillPosICError(y);
//std::cout << item->name << *y << std::endl;
//noop();
});
//std::cout << "Final" << *y << std::endl;
}
void AnyPosICNewtonRaphson::fillPyPx()
{
pypx->zeroSelf();
pypx->atijminusDiagonalMatrix(0, 0, qsuWeights);
system->partsJointsMotionsLimitsDo([&](std::shared_ptr<Item> item) {
item->fillPosICJacob(pypx);
//std::cout << *(pypx->at(3)) << std::endl;
});
//std::cout << *pypx << std::endl;
}
void AnyPosICNewtonRaphson::passRootToSystem()
{
system->partsJointsMotionsLimitsDo([&](std::shared_ptr<Item> item) { item->setqsulam(x); });
}
void MbD::AnyPosICNewtonRaphson::assignEquationNumbers()
{
auto parts = system->parts();
//auto contactEndFrames = system->contactEndFrames();
//auto uHolders = system->uHolders();
auto constraints = system->allConstraints();
size_t eqnNo = 0;
for (auto& part : *parts) {
part->iqX(eqnNo);
eqnNo = eqnNo + 3;
part->iqE(eqnNo);
eqnNo = eqnNo + 4;
}
//for (auto& endFrm : *contactEndFrames) {
// endFrm->is(eqnNo);
// eqnNo = eqnNo + endFrm->sSize();
//}
//for (auto& uHolder : *uHolders) {
// uHolder->iu(eqnNo);
// eqnNo += 1;
//}
auto nEqns = eqnNo; //C++ uses index 0.
nqsu = nEqns;
for (auto& con : *constraints) {
con->iG = eqnNo;
eqnNo += 1;
}
//auto lastEqnNo = eqnNo - 1;
nEqns = eqnNo; //C++ uses index 0.
n = nEqns;
}
bool MbD::AnyPosICNewtonRaphson::isConverged()
{
return dxNorms->at(iterNo) < dxTol || isConvergedToNumericalLimit();
}