PolyFEM
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#include <AMIPSForm.hpp>
Public Member Functions | |
AMIPSForm (const VariableToSimulationGroup &variable_to_simulation, const State &state) | |
virtual std::string | name () const override |
double | value_unweighted (const Eigen::VectorXd &x) const override |
Compute the value of the form. | |
void | compute_partial_gradient (const Eigen::VectorXd &x, Eigen::VectorXd &gradv) const override |
bool | is_step_valid (const Eigen::VectorXd &x0, const Eigen::VectorXd &x1) const override |
Determine if a step from solution x0 to solution x1 is allowed. | |
Public Member Functions inherited from polyfem::solver::AdjointForm | |
AdjointForm (const VariableToSimulationGroup &variable_to_simulations) | |
virtual | ~AdjointForm () |
void | enable_energy_print (const std::string &print_energy_keyword) |
double | value (const Eigen::VectorXd &x) const override |
Compute the value of the form multiplied with the weigth. | |
virtual void | solution_changed (const Eigen::VectorXd &new_x) override |
Update cached fields upon a change in the solution. | |
const VariableToSimulationGroup & | get_variable_to_simulations () const |
virtual Eigen::MatrixXd | compute_reduced_adjoint_rhs (const Eigen::VectorXd &x, const State &state) const |
virtual void | first_derivative (const Eigen::VectorXd &x, Eigen::VectorXd &gradv) const final override |
Compute the first derivative of the value wrt x multiplied with the weigth. | |
virtual Eigen::MatrixXd | compute_adjoint_rhs (const Eigen::VectorXd &x, const State &state) const |
virtual void | update_quantities (const double t, const Eigen::VectorXd &x) final override |
Update time-dependent fields. | |
virtual void | init_lagging (const Eigen::VectorXd &x) final override |
Initialize lagged fields TODO: more than one step. | |
virtual void | update_lagging (const Eigen::VectorXd &x, const int iter_num) final override |
Update lagged fields. | |
Public Member Functions inherited from polyfem::solver::Form | |
virtual | ~Form () |
virtual void | init (const Eigen::VectorXd &x) |
Initialize the form. | |
virtual void | finish () |
Eigen::VectorXd | value_per_element (const Eigen::VectorXd &x) const |
Compute the value of the form multiplied with the weigth. | |
void | second_derivative (const Eigen::VectorXd &x, StiffnessMatrix &hessian) const |
Compute the second derivative of the value wrt x multiplied with the weigth. | |
virtual double | max_step_size (const Eigen::VectorXd &x0, const Eigen::VectorXd &x1) const |
Determine the maximum step size allowable between the current and next solution. | |
virtual void | line_search_begin (const Eigen::VectorXd &x0, const Eigen::VectorXd &x1) |
Initialize variables used during the line search. | |
virtual void | line_search_end () |
Clear variables used during the line search. | |
virtual void | post_step (const polysolve::nonlinear::PostStepData &data) |
Update fields after a step in the optimization. | |
virtual int | max_lagging_iterations () const |
Get the maximum number of lagging iteration allowable. | |
virtual bool | uses_lagging () const |
Does this form require lagging? | |
void | set_project_to_psd (bool val) |
Set project to psd. | |
bool | is_project_to_psd () const |
Get if the form's second derivative is projected to psd. | |
void | enable () |
Enable the form. | |
void | disable () |
Disable the form. | |
void | set_enabled (const bool enabled) |
Set if the form is enabled. | |
bool | enabled () const |
Determine if the form is enabled. | |
virtual double | weight () const |
Get the form's multiplicative constant weight. | |
void | set_weight (const double weight) |
Set the form's multiplicative constant weight. | |
virtual bool | is_step_collision_free (const Eigen::VectorXd &x0, const Eigen::VectorXd &x1) const |
Checks if the step is collision free. | |
void | set_output_dir (const std::string &output_dir) |
Private Member Functions | |
Eigen::VectorXd | get_updated_mesh_nodes (const Eigen::VectorXd &x) const |
Private Attributes | |
const State & | state_ |
Eigen::VectorXd | X_rest |
Eigen::MatrixXi | F |
std::vector< polyfem::basis::ElementBases > | init_geom_bases_ |
assembler::AssemblyValsCache | init_ass_vals_cache_ |
std::shared_ptr< assembler::Assembler > | amips_energy_ |
Additional Inherited Members | |
Protected Types inherited from polyfem::solver::AdjointForm | |
enum class | PrintStage { Inactive , AlreadyPrinted , ToPrint } |
Protected Member Functions inherited from polyfem::solver::AdjointForm | |
virtual void | first_derivative_unweighted (const Eigen::VectorXd &x, Eigen::VectorXd &gradv) const final override |
Compute the first derivative of the value wrt x. | |
virtual void | second_derivative_unweighted (const Eigen::VectorXd &x, StiffnessMatrix &hessian) const final override |
Compute the second derivative of the value wrt x. | |
Protected Member Functions inherited from polyfem::solver::Form | |
std::string | resolve_output_path (const std::string &path) const |
virtual Eigen::VectorXd | value_per_element_unweighted (const Eigen::VectorXd &x) const |
Compute the value of the form multiplied per element. | |
Protected Attributes inherited from polyfem::solver::AdjointForm | |
const VariableToSimulationGroup | variable_to_simulations_ |
PrintStage | print_energy_ = PrintStage::Inactive |
std::string | print_energy_keyword_ |
Protected Attributes inherited from polyfem::solver::Form | |
bool | project_to_psd_ = false |
If true, the form's second derivative is projected to be positive semidefinite. | |
double | weight_ = 1 |
weight of the form (e.g., AL penalty weight or Δt²) | |
bool | enabled_ = true |
If true, the form is enabled. | |
std::string | output_dir_ |
Definition at line 41 of file AMIPSForm.hpp.
polyfem::solver::AMIPSForm::AMIPSForm | ( | const VariableToSimulationGroup & | variable_to_simulation, |
const State & | state | ||
) |
Definition at line 179 of file AMIPSForm.cpp.
References amips_energy_, polyfem::mesh::Mesh3D::compute_cell_jacobian(), polyfem::mesh::Mesh2D::compute_face_jacobian(), F, polyfem::utils::flatten(), polyfem::State::geom_bases(), polyfem::State::get_elements(), polyfem::State::get_vertices(), init_geom_bases_, polyfem::assembler::AssemblerUtils::make_assembler(), polyfem::State::mesh, state_, polyfem::State::units, V, and X_rest.
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overridevirtual |
Reimplemented from polyfem::solver::AdjointForm.
Definition at line 265 of file AMIPSForm.cpp.
References amips_energy_, polyfem::solver::VariableToSimulationGroup::apply_parametrization_jacobian(), get_updated_mesh_nodes(), init_ass_vals_cache_, init_geom_bases_, polyfem::solver::AdjointTools::map_node_to_primitive_order(), polyfem::solver::AdjointTools::map_primitive_to_node_order(), polyfem::State::mesh, polyfem::State::n_geom_bases, polyfem::solver::Shape, state_, polyfem::solver::AdjointForm::variable_to_simulations_, polyfem::solver::Form::weight(), x, and X_rest.
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inlineprivate |
Definition at line 53 of file AMIPSForm.hpp.
References polyfem::solver::VariableToSimulationGroup::compute_state_variable(), polyfem::solver::Shape, state_, polyfem::solver::AdjointForm::variable_to_simulations_, x, and X_rest.
Referenced by compute_partial_gradient(), is_step_valid(), and value_unweighted().
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overridevirtual |
Determine if a step from solution x0 to solution x1 is allowed.
x0 | Current solution |
x1 | Proposed next solution |
Reimplemented from polyfem::solver::Form.
Definition at line 275 of file AMIPSForm.cpp.
References polyfem::adjoint_logger(), F, get_updated_mesh_nodes(), polyfem::State::mesh, name(), state_, polyfem::utils::unflatten(), and polyfem::mesh::V1.
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inlineoverridevirtual |
Reimplemented from polyfem::solver::AdjointForm.
Definition at line 46 of file AMIPSForm.hpp.
Referenced by is_step_valid().
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overridevirtual |
Compute the value of the form.
x | Current solution |
Implements polyfem::solver::Form.
Definition at line 258 of file AMIPSForm.cpp.
References amips_energy_, get_updated_mesh_nodes(), init_ass_vals_cache_, init_geom_bases_, polyfem::solver::AdjointTools::map_primitive_to_node_order(), polyfem::State::mesh, state_, x, and X_rest.
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private |
Definition at line 66 of file AMIPSForm.hpp.
Referenced by AMIPSForm(), compute_partial_gradient(), and value_unweighted().
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private |
Definition at line 63 of file AMIPSForm.hpp.
Referenced by AMIPSForm(), and is_step_valid().
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private |
Definition at line 65 of file AMIPSForm.hpp.
Referenced by compute_partial_gradient(), and value_unweighted().
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private |
Definition at line 64 of file AMIPSForm.hpp.
Referenced by AMIPSForm(), compute_partial_gradient(), and value_unweighted().
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private |
Definition at line 60 of file AMIPSForm.hpp.
Referenced by AMIPSForm(), compute_partial_gradient(), get_updated_mesh_nodes(), is_step_valid(), and value_unweighted().
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private |
Definition at line 62 of file AMIPSForm.hpp.
Referenced by AMIPSForm(), compute_partial_gradient(), get_updated_mesh_nodes(), and value_unweighted().