PetscSectionSetFieldComponents#
Sets the number of field components for the given field.
Synopsis#
#include "petscsection.h"
PetscErrorCode PetscSectionSetFieldComponents(PetscSection s, PetscInt field, PetscInt numComp)
Not Collective
Input Parameters#
s - the
PetscSectionfield - the field number
numComp - the number of field components
Note#
This number can be different than the values set with PetscSectionSetFieldDof(). It can be used to indicate the number of
components in the field of the underlying physical model which may be different than the number of degrees of freedom needed
at a point in a discretization. For example, if in three dimensions the field is velocity, it will have 3 components, u, v, and w but
an face based model for velocity (where the velocity normal to the face is stored) there is only 1 dof for each face point.
The value set with this function are not needed or used in PetscSectionSetUp().
Developer Notes#
This function is misnamed. There is a Num in PetscSectionSetNumFields() but not in this name
See Also#
PetscSection, PetscSection, PetscSectionGetFieldComponents(), PetscSectionSetComponentName(),
PetscSectionGetComponentName(), PetscSectionGetNumFields()
Level#
advanced
Location#
Examples#
src/dm/impls/plex/tutorials/ex7.c
src/ts/tutorials/ex11_sa.c
Index of all PetscSection routines
Table of Contents for all manual pages
Index of all manual pages