PETSc version 3.15.5
PetscFEGetFaceTabulation
Returns the tabulation of the basis functions at the face quadrature points for each face of the reference cell
Synopsis
#include "petscfe.h"
PetscErrorCode PetscFEGetFaceTabulation(PetscFE fem, PetscInt k, PetscTabulation *Tf)
Not collective
Input Parameter
| fem | - The PetscFE object
|
| k | - The highest derivative we need to tabulate, very often 1
|
Output Parameters
| Tf | - The basis function values and derviatives at face quadrature points
|
Note
T->T[0] = Bf[((f*Nq + q)*pdim + i)*Nc + c] is the value at point f,q for basis function i and component c
T->T[1] = Df[(((f*Nq + q)*pdim + i)*Nc + c)*dim + d] is the derivative value at point f,q for basis function i, component c, in direction d
T->T[2] = Hf[((((f*Nq + q)*pdim + i)*Nc + c)*dim + d)*dim + e] is the value at point f,q for basis function i, component c, in directions d and e
See Also
PetscFEGetCellTabulation(), PetscFECreateTabulation(), PetscTabulationDestroy()
Level
intermediate
Location
src/dm/dt/fe/interface/fe.c
Index of all FE routines
Table of Contents for all manual pages
Index of all manual pages