petsc-master 2020-10-20
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PetscFEIntegrate

Produce the integral for the given field for a chunk of elements by quadrature integration

Synopsis

#include "petscfe.h" 
PetscErrorCode PetscFEIntegrate(PetscDS prob, PetscInt field, PetscInt Ne, PetscFEGeom *cgeom,
                                const PetscScalar coefficients[], PetscDS probAux, const PetscScalar coefficientsAux[], PetscScalar integral[])
Not collective

Input Parameters

prob - The PetscDS specifying the discretizations and continuum functions
field - The field being integrated
Ne - The number of elements in the chunk
cgeom - The cell geometry for each cell in the chunk
coefficients - The array of FEM basis coefficients for the elements
probAux - The PetscDS specifying the auxiliary discretizations
coefficientsAux - The array of FEM auxiliary basis coefficients for the elements

Output Parameter

integral - the integral for this field

See Also

PetscFEIntegrateResidual()

Level

intermediate

Location

src/dm/dt/fe/interface/fe.c

Implementations

src/dm/dt/fe/impls/basic/febasic.c:168:static PetscErrorCode PetscFEIntegrate_Basic(PetscDS ds, PetscInt field, PetscInt Ne, PetscFEGeom *cgeom,
Index of all FE routines
Table of Contents for all manual pages
Index of all manual pages