Description

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

#include <ChSolverMulticore.h>

Inheritance diagram for chrono::ChSolverMulticoreAPGDREF:

Collaboration diagram for chrono::ChSolverMulticoreAPGDREF:

[legend]

Public Member Functions
uint	Solve (ChSchurProduct &SchurProduct, ChProjectConstraints &Project, const uint max_iter, const uint size, const DynamicVector< real > &r, DynamicVector< real > &gamma)
	Solve using the APGD method.
real	Res4 (ChSchurProduct &SchurProduct, ChProjectConstraints &Project, DynamicVector< real > &gamma, const DynamicVector< real > &r, DynamicVector< real > &tmp)
	Compute the residual for the solver.
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, DynamicVector< real > &temp, real lambda=0)

Public Attributes
DynamicVector< real >	gamma_hat
	APGD specific vectors.
DynamicVector< real >	gammaNew
DynamicVector< real >	g
DynamicVector< real >	y
DynamicVector< real >	yNew
DynamicVector< real >	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
Ch3DOFContainer *	mpm
ChMulticoreDataManager *	data_manager
	Pointer to the system's data manager.
DynamicVector< real >	eigen_vec

Member Function Documentation

real ChSolverMulticoreAPGDREF::Res4	(	ChSchurProduct &	SchurProduct,
		ChProjectConstraints &	Project,
		DynamicVector< real > &	gamma,
		const DynamicVector< real > &	r,
		DynamicVector< real > &	tmp )

Compute the residual for the solver.

Parameters

uint ChSolverMulticoreAPGDREF::Solve	(	ChSchurProduct &	SchurProduct,
		ChProjectConstraints &	Project,
		const uint	max_iter,
		const uint	size,
		const DynamicVector< real > &	r,
		DynamicVector< real > &	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:

D:/W/B/src/chrono-9.0.1/src/chrono_multicore/solver/ChSolverMulticore.h
D:/W/B/src/chrono-9.0.1/src/chrono_multicore/solver/ChSolverMulticoreAPGDREF.cpp