PETSc version 3.15.5
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TSSetExactFinalTime

Determines whether to adapt the final time step to match the exact final time, interpolate solution to the exact final time, or just return at the final time TS computed.

Synopsis

#include "petscts.h"  
PetscErrorCode TSSetExactFinalTime(TS ts,TSExactFinalTimeOption eftopt)
Logically Collective on TS

Input Parameter

ts - the time-step context
eftopt - exact final time option

 TS_EXACTFINALTIME_STEPOVER    - Don't do anything if final time is exceeded
 TS_EXACTFINALTIME_INTERPOLATE - Interpolate back to final time
 TS_EXACTFINALTIME_MATCHSTEP - Adapt final time step to match the final time

Options Database

-ts_exact_final_time <stepover,interpolate,matchstep> - select the final step at runtime

Warning: If you use the option TS_EXACTFINALTIME_STEPOVER the solution may be at a very different time then the final time you selected.

See Also

TSExactFinalTimeOption, TSGetExactFinalTime()

Level

beginner

Location

src/ts/interface/ts.c

Examples

src/ts/tutorials/ex1.c.html
src/ts/tutorials/ex2.c.html
src/ts/tutorials/ex3.c.html
src/ts/tutorials/ex4.c.html
src/ts/tutorials/ex5.c.html
src/ts/tutorials/ex6.c.html
src/ts/tutorials/ex7.c.html
src/ts/tutorials/ex8.c.html
src/ts/tutorials/ex9.c.html
src/ts/tutorials/ex10.c.html
src/ts/tutorials/ex11.c.html

Index of all TS routines
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Index of all manual pages