artisynth.core.femmodels.integration

Interface FemElementIntegrator

All Known Implementing Classes:

IPointFemElementIntegrator, MonteCarloFemElementIntegrator

public interface FemElementIntegrator

Integrate a function across a finite element

Method Summary

Modifier and Type	Method and Description
double	integrate(FemElement3d elem, Function3x1 func) Integrates a function defined over the finite element
double	integrateRest(FemElement3d elem, Function3x1 func) Integrates a function defined over the finite element at rest coordinates
void	integrateShapeFunctionProduct(FemElement3d elem, Function3x1 func, VectorNd out) Integrates a function times the shape functions
void	integrateShapeFunctionProductRest(FemElement3d elem, Function3x1 func, VectorNd out) Integrates a function times the shape functions at rest coordinates

Method Detail

integrate

double integrate(FemElement3d elem,
                 Function3x1 func)

Integrates a function defined over the finite element

Parameters:

elem - finite element

func - function to integrate

Returns:

result of integral

integrateShapeFunctionProduct

void integrateShapeFunctionProduct(FemElement3d elem,
                                   Function3x1 func,
                                   VectorNd out)

Integrates a function times the shape functions

Parameters:

elem - finite element

func - function to integrate

out - output, length equal to number of shape functions (i.e. FEM nodes)

integrateRest

double integrateRest(FemElement3d elem,
                     Function3x1 func)

Integrates a function defined over the finite element at rest coordinates

Parameters:

elem - finite element

func - function to integrate

Returns:

result of integral

integrateShapeFunctionProductRest

void integrateShapeFunctionProductRest(FemElement3d elem,
                                       Function3x1 func,
                                       VectorNd out)

Integrates a function times the shape functions at rest coordinates

Parameters:

elem - finite element

func - function to integrate

out - output, length equal to number of shape functions (i.e. FEM nodes)