artisynth.core.femmodels.integration

Class IPointFemElementIntegrator

java.lang.Object

artisynth.core.femmodels.integration.IPointFemElementIntegrator

All Implemented Interfaces:

FemElementIntegrator

public class IPointFemElementIntegrator
extends java.lang.Object
implements FemElementIntegrator

Uses the element's integration points to integrate a function

Author:

Antonio

Constructor Summary

Constructors

Constructor and Description
IPointFemElementIntegrator()

Method Summary

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

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IPointFemElementIntegrator

public IPointFemElementIntegrator()

Method Detail

integrate

public double integrate(FemElement3d elem,
                        Function3x1 func)

Description copied from interface: FemElementIntegrator

Integrates a function defined over the finite element

Specified by:

integrate in interface FemElementIntegrator

Parameters:

elem - finite element

func - function to integrate

Returns:

result of integral

integrateRest

public double integrateRest(FemElement3d elem,
                            Function3x1 func)

Description copied from interface: FemElementIntegrator

Integrates a function defined over the finite element at rest coordinates

Specified by:

integrateRest in interface FemElementIntegrator

Parameters:

elem - finite element

func - function to integrate

Returns:

result of integral

integrate

public static double integrate(FemElement3d elem,
                               VectorNd ivals)

Integrate the function provided values at the integration points

Parameters:

elem - element

ivals - values of function at integration points

Returns:

integrated value

integrateRest

public static double integrateRest(FemElement3d elem,
                                   VectorNd ivals)

Integrate the function provided values at the integration points

Parameters:

elem - element

ivals - values at integration point

Returns:

integrated function

integrateShapeFunctionProduct

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

Description copied from interface: FemElementIntegrator

Integrates a function times the shape functions

Specified by:

integrateShapeFunctionProduct in interface FemElementIntegrator

Parameters:

elem - finite element

func - function to integrate

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

integrateShapeFunctionProductRest

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

Description copied from interface: FemElementIntegrator

Integrates a function times the shape functions at rest coordinates

Specified by:

integrateShapeFunctionProductRest in interface FemElementIntegrator

Parameters:

elem - finite element

func - function to integrate

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

integrateShapeFunctionProduct

public static void integrateShapeFunctionProduct(FemElement3d elem,
                                                 VectorNd ivals,
                                                 VectorNd out)

Integrate provided values at the integration points

Parameters:

elem - element to integrate over

ivals - values at integration points

out - integrated output

integrateShapeFunctionProductRest

public static void integrateShapeFunctionProductRest(FemElement3d elem,
                                                     VectorNd ivals,
                                                     VectorNd out)

Integrate provided values at the integration points

Parameters:

elem - element to integrate over

ivals - values at integration points

out - integration output