iMSTK: imstk::CorotationalFemForceModel Class Reference

Force model for corotational based finite elements formulation. More...

Inheritance diagram for imstk::CorotationalFemForceModel:

Collaboration diagram for imstk::CorotationalFemForceModel:

Public Member Functions
	CorotationalFemForceModel (std::shared_ptr< vega::VolumetricMesh > mesh, const int warp=1)
	Constructor using `mesh`. More...

void	getInternalForce (const Vectord &u, Vectord &internalForce) override
	Compute internal force `internalForce` at state `u`.

void	getTangentStiffnessMatrix (const Vectord &u, SparseMatrixd &tangentStiffnessMatrix) override
	Compute stiffness matrix `tangentStiffnessMatrix` at state .

void	getTangentStiffnessMatrixTopology (vega::SparseMatrix **tangentStiffnessMatrix) override
	Build the sparsity pattern for stiffness matrix.

void	getForceAndMatrix (const Vectord &u, Vectord &internalForce, SparseMatrixd &tangentStiffnessMatrix) override
	Compute internal force `internalForce` and stiffness matrix `tangentStiffnessMatrix` at state .

void	setWarp (const int warp)
	Turn on/off warp.

void	setTangentStiffness (std::shared_ptr< vega::SparseMatrix > K) override
	Specify tangent stiffness matrix.

Protected Attributes
std::shared_ptr< vega::CorotationalLinearFEM >	m_corotationalLinearFem

std::shared_ptr< vega::SparseMatrix >	m_vegaTangentStiffnessMatrix

int	m_warp

Additional Inherited Members
Static Public Member Functions inherited from imstk::InternalForceModel
static void	updateValuesFromMatrix (std::shared_ptr< vega::SparseMatrix > vegaMatrix, double *values)
	Update the values of the Eigen sparse matrix given the linearized array of data from the Vega matrix. More...