sofa::component::odesolver::EulerKaapiSolver Class Reference

The simplest time integration. More...

#include <EulerKaapiSolver.h>

Inheritance diagram for sofa::component::odesolver::EulerKaapiSolver:

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Collaboration diagram for sofa::component::odesolver::EulerKaapiSolver:

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Public Member Functions
	EulerKaapiSolver ()
void	solve (double dt)
void	computeAcc (double t, VecId a, VecId x, VecId v)
void	v_free (VecId v)
void	v_clear (VecId v)
	v=0
VecId	v_alloc (VecId::Type t)
void	propagatePositionAndVelocity (double t, VecId x, VecId v)
void	computeForce (VecId result)
void	accFromF (VecId a, VecId f)
void	projectResponse (VecId dx, double **W=NULL)
void	v_peq (VecId v, VecId a, double f)
	v+=f*a
Data Fields
DataField< bool >	symplectic

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Detailed Description

The simplest time integration.

Two variants are available, depending on the value of field "symplectic". If true (the default), the symplectic variant of Euler's method is applied: If false, the basic Euler's method is applied (less robust)

Definition at line 45 of file EulerKaapiSolver.h.

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Constructor & Destructor Documentation

sofa::component::odesolver::EulerKaapiSolver::EulerKaapiSolver

(

)

Definition at line 65 of file EulerKaapiSolver.cpp.

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Member Function Documentation

void sofa::component::odesolver::EulerKaapiSolver::accFromF	(	VecId	a,
		VecId	f
	)

Definition at line 106 of file EulerKaapiSolver.cpp.

Referenced by computeAcc().

void sofa::component::odesolver::EulerKaapiSolver::computeAcc	(	double	t,
		VecId	a,
		VecId	x,
		VecId	v
	)

Definition at line 124 of file EulerKaapiSolver.cpp.

References accFromF(), computeForce(), force, projectResponse(), and propagatePositionAndVelocity().

Referenced by solve().

void sofa::component::odesolver::EulerKaapiSolver::computeForce

(

VecId

result

)

Definition at line 116 of file EulerKaapiSolver.cpp.

Referenced by computeAcc().

void sofa::component::odesolver::EulerKaapiSolver::projectResponse	(	VecId	dx,
		double **	W = NULL
	)

Definition at line 99 of file EulerKaapiSolver.cpp.

Referenced by computeAcc().

void sofa::component::odesolver::EulerKaapiSolver::propagatePositionAndVelocity	(	double	t,
		VecId	x,
		VecId	v
	)

Definition at line 111 of file EulerKaapiSolver.cpp.

Referenced by computeAcc().

void sofa::component::odesolver::EulerKaapiSolver::solve

(

double

dt

)

Definition at line 141 of file EulerKaapiSolver.cpp.

References computeAcc(), sofa::core::componentmodel::behavior::MultiVector< Parent >::peq(), and symplectic.

EulerKaapiSolver::VecId sofa::component::odesolver::EulerKaapiSolver::v_alloc

(

VecId::Type

t

)

Definition at line 74 of file EulerKaapiSolver.cpp.

void sofa::component::odesolver::EulerKaapiSolver::v_clear

(

VecId

v

)

v=0

Parameters:

v

v=0

Definition at line 80 of file EulerKaapiSolver.cpp.

void sofa::component::odesolver::EulerKaapiSolver::v_free

(

VecId

v

)

Definition at line 85 of file EulerKaapiSolver.cpp.

void sofa::component::odesolver::EulerKaapiSolver::v_peq	(	VecId	v,
		VecId	a,
		double	f
	)

v+=f*a

Parameters:

f

v+=f*a

Definition at line 93 of file EulerKaapiSolver.cpp.

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Field Documentation

DataField<bool> sofa::component::odesolver::EulerKaapiSolver::symplectic

Definition at line 51 of file EulerKaapiSolver.h.

Referenced by solve().

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

• modules/sofa/component/odesolver/EulerKaapiSolver.h
• modules/sofa/component/odesolver/EulerKaapiSolver.cpp