You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.7 KiB
49 lines
1.7 KiB
2 years ago
|
#pragma once
|
||
|
|
|
||
|
|
#include <Eigen/Eigen>
|
||
|
|
#include <memory>
|
||
|
|
#include "cpt-linear-solver/linear_solver.h"
|
||
|
|
|
||
|
|
namespace da::sha {
|
||
|
|
|
||
|
|
template <int dim>
|
||
|
|
void AddBlockToMatrix(
|
||
|
|
const Eigen::MatrixXd& block, const Eigen::VectorXi& index, int rowIndI,
|
||
|
|
std::shared_ptr<cpt::LinearSolver<Eigen::VectorXi, Eigen::VectorXd, dim>> linSysSolver) {
|
||
|
|
int rowStart = index[rowIndI] * dim;
|
||
|
|
if (rowStart < 0) { // DBC node
|
||
|
|
rowStart = -rowStart - dim;
|
||
|
|
linSysSolver->SetCoeff(rowStart, rowStart, 1.0);
|
||
|
|
linSysSolver->SetCoeff(rowStart + 1, rowStart + 1, 1.0);
|
||
|
|
if constexpr (dim == 3) {
|
||
|
|
linSysSolver->SetCoeff(rowStart + 2, rowStart + 2, 1.0);
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
int eleNodeNum = static_cast<int>(index.size());
|
||
|
|
for (int _i = 0; _i < eleNodeNum; ++_i) {
|
||
|
|
if (index[_i] >= 0) {
|
||
|
|
int _Idim = _i * dim;
|
||
|
|
int _dimIndexI = index[_i] * dim;
|
||
|
|
linSysSolver->AddCoeff(rowStart, _dimIndexI, block(0, _Idim));
|
||
|
|
linSysSolver->AddCoeff(rowStart, _dimIndexI + 1, block(0, _Idim + 1));
|
||
|
|
linSysSolver->AddCoeff(rowStart + 1, _dimIndexI, block(1, _Idim));
|
||
|
|
linSysSolver->AddCoeff(rowStart + 1, _dimIndexI + 1, block(1, _Idim + 1));
|
||
|
|
if constexpr (dim == 3) {
|
||
|
|
linSysSolver->AddCoeff(rowStart, _dimIndexI + 2, block(0, _Idim + 2));
|
||
|
|
linSysSolver->AddCoeff(rowStart + 1, _dimIndexI + 2, block(1, _Idim + 2));
|
||
|
|
linSysSolver->AddCoeff(rowStart + 2, _dimIndexI, block(2, _Idim));
|
||
|
|
linSysSolver->AddCoeff(rowStart + 2, _dimIndexI + 1, block(2, _Idim + 1));
|
||
|
|
linSysSolver->AddCoeff(rowStart + 2, _dimIndexI + 2, block(2, _Idim + 2));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void GetGaussQuadratureCoordinates(int GO, Eigen::VectorXd &GP);
|
||
|
|
|
||
|
|
void GetGaussQuadratureWeights(int GO, Eigen::VectorXd &w);
|
||
|
|
|
||
|
|
} // namespace da::sha
|