#include <btDeformableLinearElasticityForce.h>

Inheritance diagram for btDeformableLinearElasticityForce:

Collaboration diagram for btDeformableLinearElasticityForce:

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Public Types
typedef btAlignedObjectArray< btVector3 >	TVStack

Public Types inherited from btDeformableLagrangianForce
typedef btAlignedObjectArray< btVector3 >	TVStack

Public Member Functions
	btDeformableLinearElasticityForce ()

	btDeformableLinearElasticityForce (btScalar mu, btScalar lambda, btScalar damping_alpha=0.01, btScalar damping_beta=0.01)

void	updateYoungsModulusAndPoissonRatio ()

void	updateLameParameters ()

void	setYoungsModulus (btScalar E)

void	setPoissonRatio (btScalar nu)

void	setDamping (btScalar damping_alpha, btScalar damping_beta)

void	setLameParameters (btScalar mu, btScalar lambda)

virtual void	addScaledForces (btScalar scale, TVStack &force)

virtual void	addScaledExplicitForce (btScalar scale, TVStack &force)

virtual void	addScaledDampingForce (btScalar scale, TVStack &force)

virtual double	totalElasticEnergy (btScalar dt)

virtual double	totalDampingEnergy (btScalar dt)

double	elasticEnergyDensity (const btSoftBody::TetraScratch &s)

virtual void	addScaledElasticForce (btScalar scale, TVStack &force)

virtual void	buildDampingForceDifferentialDiagonal (btScalar scale, TVStack &diagA)

virtual void	addScaledDampingForceDifferential (btScalar scale, const TVStack &dv, TVStack &df)

virtual void	addScaledElasticForceDifferential (btScalar scale, const TVStack &dx, TVStack &df)

void	firstPiola (const btSoftBody::TetraScratch &s, btMatrix3x3 &P)

void	firstPiolaDifferential (const btSoftBody::TetraScratch &s, const btMatrix3x3 &dF, btMatrix3x3 &dP)

void	firstPiolaDampingDifferential (const btSoftBody::TetraScratch &s, const btMatrix3x3 &dF, btMatrix3x3 &dP)

virtual void	addScaledHessian (btScalar scale)

virtual btDeformableLagrangianForceType	getForceType ()

Public Member Functions inherited from btDeformableLagrangianForce
	btDeformableLagrangianForce ()

virtual	~btDeformableLagrangianForce ()

virtual void	reinitialize (bool nodeUpdated)

virtual int	getNumNodes ()

virtual void	addSoftBody (btSoftBody *psb)

virtual void	removeSoftBody (btSoftBody *psb)

virtual void	setIndices (const btAlignedObjectArray< btSoftBody::Node * > *nodes)

virtual btMatrix3x3	Ds (int id0, int id1, int id2, int id3, const TVStack &dx)

virtual btMatrix3x3	DsFromVelocity (const btSoftBody::Node n0, const btSoftBody::Node n1, const btSoftBody::Node n2, const btSoftBody::Node n3)

virtual void	testDerivative ()

virtual void	testHessian ()

virtual double	totalEnergy (btScalar dt)

Public Attributes
btScalar	m_mu

btScalar	m_lambda

btScalar	m_E

btScalar	m_nu

btScalar	m_damping_alpha

btScalar	m_damping_beta

Public Attributes inherited from btDeformableLagrangianForce
btAlignedObjectArray< btSoftBody * >	m_softBodies

const btAlignedObjectArray< btSoftBody::Node * > *	m_nodes

Detailed Description

Definition at line 23 of file btDeformableLinearElasticityForce.h.

Member Typedef Documentation

◆ TVStack

typedef btAlignedObjectArray<btVector3> btDeformableLinearElasticityForce::TVStack

Definition at line 26 of file btDeformableLinearElasticityForce.h.

Constructor & Destructor Documentation

◆ btDeformableLinearElasticityForce() [1/2]

btDeformableLinearElasticityForce::btDeformableLinearElasticityForce ( )

inline

Definition at line 30 of file btDeformableLinearElasticityForce.h.

◆ btDeformableLinearElasticityForce() [2/2]

btDeformableLinearElasticityForce::btDeformableLinearElasticityForce	(	btScalar	mu,
		btScalar	lambda,
		btScalar	damping_alpha = `0.01`,
		btScalar	damping_beta = `0.01`
	)