1! test phase space (Maxwellian) mesh construction (serial) 2! 3!run: 4! -${MPIEXEC} .... 5! -@${PETSC_DIR}/lib/petsc/bin/petsc_gen_xdmf.py *.h5 6! 7! 8! Contributed by Mark Adams 9program DMPlexTestLandauInterface 10 use petscts 11 use petscdmplex 12#include <petsc/finclude/petscts.h> 13#include <petsc/finclude/petscdmplex.h> 14 implicit none 15 external LandauIFunction 16 external LandauIJacobian 17 DM dm 18 PetscInt dim 19 PetscInt ii 20 PetscErrorCode ierr 21 TS ts 22 Vec X,X_0 23 Mat J 24 SNES snes 25 KSP ksp 26 PC pc 27 SNESLineSearch linesearch 28 PetscReal mone 29 PetscScalar scalar 30 call PetscInitialize(PETSC_NULL_CHARACTER, ierr) 31 if (ierr .ne. 0) then 32 print*,'Unable to initialize PETSc' 33 stop 34 endif 35 ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 36 ! Create mesh (DM), read in parameters, create and add f_0 (X) 37 ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 38 dim = 2 39 call LandauCreateVelocitySpace(PETSC_COMM_WORLD, dim, '', X, J, dm, ierr);CHKERRA(ierr) 40 call DMSetUp(dm,ierr);CHKERRA(ierr) 41 call VecDuplicate(X,X_0,ierr);CHKERRA(ierr) 42 call VecCopy(X,X_0,ierr) 43 ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 44 ! View 45 ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 46 ii = 0 47 call LandauPrintNorms(X,ii,ierr);CHKERRA(ierr) 48 mone = 0; 49 call DMSetOutputSequenceNumber(dm, ii, mone, ierr);CHKERRA(ierr); 50 ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 51 ! Create timestepping solver context 52 ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 53 call TSCreate(PETSC_COMM_SELF,ts,ierr);CHKERRA(ierr) 54 call TSSetOptionsPrefix(ts, 'ex1_', ierr);CHKERRA(ierr) ! should get this from the dm or give it to the dm 55 call TSSetDM(ts,dm,ierr);CHKERRA(ierr) 56 call TSGetSNES(ts,snes,ierr);CHKERRA(ierr) 57 call SNESSetOptionsPrefix(snes, 'ex1_', ierr);CHKERRA(ierr) ! should get this from the dm or give it to the dm 58 call SNESGetLineSearch(snes,linesearch,ierr);CHKERRA(ierr) 59 call SNESLineSearchSetType(linesearch,SNESLINESEARCHBASIC,ierr);CHKERRA(ierr) 60 call TSSetIFunction(ts,PETSC_NULL_VEC,LandauIFunction,PETSC_NULL_VEC,ierr);CHKERRA(ierr) 61 call TSSetIJacobian(ts,J,J,LandauIJacobian,PETSC_NULL_VEC,ierr);CHKERRA(ierr) 62 call TSSetExactFinalTime(ts,TS_EXACTFINALTIME_STEPOVER,ierr);CHKERRA(ierr) 63 64 call SNESGetKSP(snes,ksp,ierr);CHKERRA(ierr) 65 call KSPSetOptionsPrefix(ksp, 'ex1_', ierr);CHKERRA(ierr) ! should get this from the dm or give it to the dm 66 call KSPGetPC(ksp,pc,ierr);CHKERRA(ierr) 67 call PCSetOptionsPrefix(pc, 'ex1_', ierr);CHKERRA(ierr) ! should get this from the dm or give it to the dm 68 69 call TSSetFromOptions(ts,ierr);CHKERRA(ierr) 70 call TSSetSolution(ts,X,ierr);CHKERRA(ierr) 71 ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 72 ! Solve nonlinear system 73 ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 74 call TSSolve(ts,X,ierr);CHKERRA(ierr) 75 ii = 1 76 call LandauPrintNorms(X,ii,ierr);CHKERRA(ierr) 77 call TSGetTime(ts, mone, ierr);CHKERRA(ierr); 78 call DMSetOutputSequenceNumber(dm, ii, mone, ierr);CHKERRA(ierr); 79 ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 80 ! remove f_0 81 ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 82 scalar = -1. 83 call VecAXPY(X,scalar,X_0,ierr);CHKERRA(ierr) 84 call LandauDestroyVelocitySpace(dm, ierr);CHKERRA(ierr) 85 call TSDestroy(ts, ierr);CHKERRA(ierr) 86 call VecDestroy(X, ierr);CHKERRA(ierr) 87 call VecDestroy(X_0, ierr);CHKERRA(ierr) 88 call PetscFinalize(ierr) 89end program DMPlexTestLandauInterface 90 91!/*TEST 92! build: 93! requires: defined(PETSC_USING_F90FREEFORM) 94! 95! test: 96! suffix: 0 97! requires: p4est !complex !kokkos_kernels !cuda 98! args: -dm_landau_num_species_grid 1,2 -petscspace_degree 3 -petscspace_poly_tensor 1 -dm_landau_type p4est -dm_landau_ion_masses 2,4 -dm_landau_ion_charges 1,18 -dm_landau_thermal_temps 5,5,.5 -dm_landau_n 1.00018,1,1e-5 -dm_landau_n_0 1e20 -ex1_ts_monitor -ex1_snes_rtol 1.e-14 -ex1_snes_stol 1.e-14 -ex1_snes_monitor -ex1_snes_converged_reason -ex1_ts_type arkimex -ex1_ts_arkimex_type 1bee -ex1_ts_max_snes_failures -1 -ex1_ts_rtol 1e-1 -ex1_ts_dt 1.e-1 -ex1_ts_max_time 1 -ex1_ts_adapt_clip .5,1.25 -ex1_ts_adapt_scale_solve_failed 0.75 -ex1_ts_adapt_time_step_increase_delay 5 -ex1_ts_max_steps 1 -ex1_pc_type lu -ex1_ksp_type preonly -dm_landau_amr_levels_max 2,1 -dm_landau_device_type cpu 99! 100!TEST*/ 101