LinearElasticVarForm.hpp

Go to the documentation of this file.

#pragma once
 
#include <polyfem/varforms/ElasticVarForm.hpp>
 
#include <memory>
 
namespace polysolve::linear
{
    class Solver;
}
 
namespace polyfem::solver
{
    class BodyForm;
    class ElasticForm;
    class InertiaForm;
} // namespace polyfem::solver
 
namespace polyfem::varform
{
    class LinearElasticVarForm : public ElasticVarForm
    {
        friend class polyfem::test::VarFormTestAccess;
 
    public:
        std::string name() const override { return "LinearElastic"; }
 
        std::vector<io::OutputField> output_fields(
            const io::OutputSample &sample,
            const Eigen::MatrixXd &solution,
            const io::OutputFieldOptions &options) const override;
 
    private:
        void reset() override;
 
        void solve_problem(Eigen::MatrixXd &sol) override;
        void init_linear_solve(Eigen::MatrixXd &sol, const double t);
        void build_stiffness_mat(StiffnessMatrix &stiffness);
        void solve_linear_system(
            const std::unique_ptr<polysolve::linear::Solver> &solver,
            StiffnessMatrix &A,
            Eigen::VectorXd &b,
            const bool compute_spectrum,
            Eigen::MatrixXd &sol);
        void solve_static_linear(Eigen::MatrixXd &sol);
        void solve_transient_linear(Eigen::MatrixXd &sol);
 
        std::shared_ptr<solver::ElasticForm> elastic_form;
        std::shared_ptr<solver::BodyForm> body_form;
        std::shared_ptr<solver::InertiaForm> inertia_form;
 
        std::shared_ptr<time_integrator::ImplicitTimeIntegrator> time_integrator;
    };
} // namespace polyfem::varform