PCBDDCSetDirichletBoundaries

Set the IS defining Dirichlet boundaries for the global problem.

Synopsis

#include "petscpc.h" 
PetscErrorCode PCBDDCSetDirichletBoundaries(PC pc, IS DirichletBoundaries)

Collective

Input Parameters

• pc - the preconditioning context

• DirichletBoundaries - parallel IS defining the Dirichlet boundaries

Note

Provide the information if you used MatZeroRows() or MatZeroRowsColumns(). Any process can list any global node

See Also

KSP: Linear System Solvers, PCBDDC, PCBDDCSetDirichletBoundariesLocal(), MatZeroRows(), MatZeroRowsColumns()

Level

intermediate

Location

src/ksp/pc/impls/bddc/bddc.c

Implementations

PCBDDCSetDirichletBoundaries_BDDC() in src/ksp/pc/impls/bddc/bddc.c

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