petsc-master 2017-05-29
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Produce the integral for the given field for a chunk of elements by quadrature integration


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

Input Parameters

fem - The PetscFE object for the field being integrated
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


Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages