petsc-3.9.0 2018-04-07
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TSSetFromOptions

Sets various TS parameters from user options.

Synopsis

#include "petscts.h"  
PetscErrorCode  TSSetFromOptions(TS ts)
Collective on TS

Input Parameter

ts -the TS context obtained from TSCreate()

Options Database Keys

Developer Note: We should unify all the -ts_monitor options in the way that -xxx_view has been unified

Keywords

TS, timestep, set, options, database

See Also

TSGetType()

Level

beginner

Location

src/ts/interface/ts.c

Examples

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

Implementations

TSSetFromOptions_ARKIMEX in src/ts/impls/arkimex/arkimex.c
TSSetFromOptions_BDF in src/ts/impls/bdf/bdf.c
TSSetFromOptions_EIMEX in src/ts/impls/eimex/eimex.c
TSSetFromOptions_Euler in src/ts/impls/explicit/euler/euler.c
TSSetFromOptions_RK in src/ts/impls/explicit/rk/rk.c
TSSetFromOptions_SSP in src/ts/impls/explicit/ssp/ssp.c
TSSetFromOptions_GLEE in src/ts/impls/glee/glee.c
TSSetFromOptions_Alpha in src/ts/impls/implicit/alpha/alpha1.c
TSSetFromOptions_Alpha in src/ts/impls/implicit/alpha/alpha2.c
TSSetFromOptions_GLLE in src/ts/impls/implicit/glle/glle.c
TSSetFromOptions_Sundials in src/ts/impls/implicit/sundials/sundials.c
TSSetFromOptions_Theta in src/ts/impls/implicit/theta/theta.c
TSSetFromOptions_Mimex in src/ts/impls/mimex/mimex.c
TSSetFromOptions_Pseudo in src/ts/impls/pseudo/posindep.c
TSSetFromOptions_RosW in src/ts/impls/rosw/rosw.c

Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages
-ts_type <type> - TSEULER, TSBEULER, TSSUNDIALS, TSPSEUDO, TSCN, TSRK, TSTHETA, TSALPHA, TSGLLE, TSSSP, TSGLEE
-ts_save_trajectory - checkpoint the solution at each time-step
-ts_max_time <time> - maximum time to compute to
-ts_max_steps <steps> - maximum number of time-steps to take
-ts_init_time <time> - initial time to start computation
-ts_final_time <time> - final time to compute to
-ts_dt <dt> - initial time step
-ts_exact_final_time <stepover,interpolate,matchstep> whether to stop at the exact given final time and how to compute the solution at that ti,e- . -ts_max_snes_failures <maxfailures> - Maximum number of nonlinear solve failures allowed
-ts_max_reject <maxrejects> - Maximum number of step rejections before step fails
-ts_error_if_step_fails <true,false> - Error if no step succeeds
-ts_rtol <rtol> - relative tolerance for local truncation error
-ts_atol <atol> Absolute tolerance for local truncation error- . -ts_rhs_jacobian_test_mult -mat_shell_test_mult_view - test the Jacobian at each iteration against finite difference with RHS function
-ts_rhs_jacobian_test_mult_transpose - mat_shell_test_mult_transpose_view - test the Jacobian at each iteration against finite difference with RHS function
-ts_adjoint_solve <yes,no> After solving the ODE/DAE solve the adjoint problem (requires - ts_save_trajectory)
-ts_fd_color - Use finite differences with coloring to compute IJacobian
-ts_monitor - print information at each timestep
-ts_monitor_lg_solution - Monitor solution graphically
-ts_monitor_lg_error - Monitor error graphically
-ts_monitor_error - Monitors norm of error
-ts_monitor_lg_timestep - Monitor timestep size graphically
-ts_monitor_lg_timestep_log - Monitor log timestep size graphically
-ts_monitor_lg_snes_iterations - Monitor number nonlinear iterations for each timestep graphically
-ts_monitor_lg_ksp_iterations - Monitor number nonlinear iterations for each timestep graphically
-ts_monitor_sp_eig - Monitor eigenvalues of linearized operator graphically
-ts_monitor_draw_solution - Monitor solution graphically
-ts_monitor_draw_solution_phase <xleft,yleft,xright,yright> - Monitor solution graphically with phase diagram, requires problem with exactly 2 degrees of freedom
-ts_monitor_draw_error - Monitor error graphically, requires use to have provided TSSetSolutionFunction()
-ts_monitor_solution [ascii binary draw][:filename][:viewerformat] - monitors the solution at each timestep
-ts_monitor_solution_vtk <filename.vts,filename.vtu> - Save each time step to a binary file, use filename-%%03D.vts (filename-%%03D.vtu)
-ts_monitor_envelope - determine maximum and minimum value of each component of the solution over the solution time