petsc-3.5.4 2015-05-23
TSAlphaGetParams
gets the algorithmic parameters for TSALPHA
Synopsis
#include "petscts.h"
PetscErrorCode TSAlphaGetParams(TS ts,PetscReal *alpha_m,PetscReal *alpha_f,PetscReal *gamma)
Not Collective
Input Parameter
| ts | - timestepping context
|
| \alpha_m | - algorithmic parameter
|
| \alpha_f | - algorithmic parameter
|
| \gamma | - algorithmic parameter
|
Note
Use of this function is normally only required to hack TSALPHA to
use a modified integration scheme. Users should call
TSAlphaSetRadius() to set the high-frequency damping (i.e. spectral
radius of the method) in order so select optimal values for these
parameters.
See Also
TSAlphaSetRadius(), TSAlphaSetParams()
Level:advanced
Location:src/ts/impls/implicit/alpha/alpha.c
Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages