Description

Accelerated Projected Gradient Descent (APGD) solver. Reference implementation.

#include <ChSolverMulticore.h>

Inheritance diagram for chrono::ChSolverMulticoreAPGDREF:

Collaboration diagram for chrono::ChSolverMulticoreAPGDREF:

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Public Member Functions
uint	Solve (ChSchurProduct &SchurProduct, ChProjectConstraints &Project, const uint max_iter, const uint size, const VectorType &r, VectorType &gamma)
	Solve using the APGD method. More...

real	Res4 (ChSchurProduct &SchurProduct, ChProjectConstraints &Project, VectorType &gamma, const VectorType &r)
	Compute the residual for the solver. More...

Public Member Functions inherited from chrono::ChSolverMulticore
void	Setup (ChMulticoreDataManager *data_container_)

void	ComputeSRhs (custom_vector< real > &gamma, const custom_vector< real > &rhs, custom_vector< real3 > &vel_data, custom_vector< real3 > &omg_data, custom_vector< real > &b)
	Compute rhs value with relaxation term.

void	AtIterationEnd (real maxd, real maxdeltalambda)

real	LargestEigenValue (ChSchurProduct &SchurProduct, VectorType &temp, real lambda=0)

Public Attributes
VectorType	gamma_hat
	APGD specific vectors.

VectorType	gammaNew

VectorType	g

VectorType	y

VectorType	yNew

VectorType	tmp

Public Attributes inherited from chrono::ChSolverMulticore
int	current_iteration
	The current iteration number of the solver.

ChConstraintRigidRigid *	rigid_rigid

ChConstraintBilateral *	bilateral

Ch3DOFContainer *	three_dof

Ch3DOFContainer *	fem

ChMulticoreDataManager *	data_manager
	Pointer to the system's data manager.

VectorType	eigen_vec

Member Function Documentation

real ChSolverMulticoreAPGDREF::Res4	(	ChSchurProduct &	SchurProduct,
		ChProjectConstraints &	Project,
		VectorType &	gamma,
		const VectorType &	r
	)

Compute the residual for the solver.

Parameters

uint ChSolverMulticoreAPGDREF::Solve	(	ChSchurProduct &	SchurProduct,
		ChProjectConstraints &	Project,
		const uint	max_iter,
		const uint	size,
		const VectorType &	r,
		VectorType &	gamma
	)

virtual

Solve using the APGD method.

Parameters

SchurProduct	Schur product
Project	Constraints
max_iter	Maximum number of iterations
size	Number of unknowns
r	Rhs vector
gamma	The vector of unknowns

The documentation for this class was generated from the following files: