GridSetMatPointBoundaryRectangular

his function sets Dirchlet boundary conditions on the linear system matrix arising from the underlying grid, and the default variable ordering can be overridden.

Synopsis

#include "grid.h" 
#include "gvec.h" 
int GridSetMatPointBoundaryRectangular(int node, int field, PetscScalar diag, VarOrdering order, GMat A, void *ctx)

Collective on GMat

Input Parameters

	node	- The constrained node
	field	- The field to which the conditions apply
	diag	- The scalar to be placed on the diagonal
	order	- The test variable ordering
	ctx	- The user-supplied context

Output Parameter

A -The system matrix

Keywords

boundary conditions, finite element

GridSetMatPointBoundaryRectangular

Synopsis

Input Parameters

Output Parameter

Keywords

See Also