| 1 | program cfd ! XZ version |
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| 2 | |
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| 3 | #define DEBUG_LEVEL 1 |
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| 4 | ! Module definitions in cfd_modules.F90 |
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| 5 | use grid_info |
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| 6 | use mpi_parameters |
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| 7 | use dimensional_scales |
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| 8 | use boundary_information |
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| 9 | use pde_parameters |
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| 10 | use dependent_variables |
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| 11 | use intermediate_variables |
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| 12 | use counters_flags_etc |
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| 13 | use immersed_boundary |
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| 14 | use user_parameters |
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| 15 | use mpi_times |
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| 16 | |
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| 17 | implicit none |
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| 18 | |
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| 19 | include 'mpif.h' |
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| 20 | include '../input/problem_size.h' |
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| 21 | |
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| 22 | !%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ONLY EXECUTABLE STATEMENTS BELOW HERE %%%%%%%%%%%%%%%%%%% |
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| 23 | |
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| 24 | include 'start_MPI.h' |
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| 25 | |
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| 26 | call MPI_Time(0) |
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| 27 | |
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| 28 | !!! LAPACK_FLAG='double' |
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| 29 | LAPACK_FLAG='single' |
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| 30 | call initialize_grids(0) ! initialize spatial grids at all discretization levels |
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| 31 | call initialize_cfd ! basic setup, read input parameters etc. |
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| 32 | call initialize_user ! e.g. user can set nontrivial initial conditions |
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| 33 | |
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| 34 | |
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| 35 | print*,'loop...' |
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| 36 | |
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| 37 | do istep=istart,iend ! MAIN TIME STEPPING LOOP |
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| 38 | t = t_start + (istep-istart)*dt ! dimensionless time |
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| 39 | |
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| 40 | call save ! write restart files {i_restart} |
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| 41 | ! print*,'... call save ...' |
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| 42 | ! call maxim |
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| 43 | |
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| 44 | call write3d_netcdf ! output 3d fields {i_full_fields} |
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| 45 | ! if ( prob_eos == 'yes' ) then |
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| 46 | ! print*,'... call write3d_netcdf ...' |
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| 47 | ! call maxim |
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| 48 | ! print*,' ARRET IMPOSE ! ' |
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| 49 | ! call mpi_barrier(comm,ierr) |
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| 50 | ! call MPI_Time(1) |
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| 51 | ! call mpi_finalize(ierr) |
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| 52 | ! STOP |
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| 53 | ! endif |
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| 54 | |
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| 55 | call rhs ! compute rhs for U,v,W & pd neglecting |
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| 56 | !print*,'... call rhs ...' |
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| 57 | !call maxim |
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| 58 | ! only pressure gradients |
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| 59 | |
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| 60 | call time_step ! time step w/o pressure gradient => u_star |
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| 61 | !print*,'... call time_step ...' |
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| 62 | !call maxim |
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| 63 | |
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| 64 | call divergence ! compute "divergence" of u_star -> div_u |
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| 65 | !print*,'... call divergence ...' |
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| 66 | !call maxim |
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| 67 | |
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| 68 | call set_rhs_for_pressure ! set the rhs for pressure equation L[p]=b |
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| 69 | !print*,'... call set_rhs_for_pressure ...' |
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| 70 | !call maxim |
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| 71 | |
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| 72 | call psolve_xy_periodic ! solve pressure using xyfft & direct solve in z |
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| 73 | !print*,'... call psolve_xy_periodic ...' |
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| 74 | !call maxim |
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| 75 | |
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| 76 | |
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| 77 | call gradient ! compute pressure "gradient" |
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| 78 | !print*,'... call gradient ...' |
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| 79 | !call maxim |
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| 80 | |
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| 81 | call project ! project u_star onto div-free subspace =>[U,v,W] |
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| 82 | !print*,'... call project ...' |
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| 83 | !call maxim |
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| 84 | |
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| 85 | call filter ! compact spatial filtering(i_filter,alpha) |
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| 86 | !print*,'... call filter ...' |
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| 87 | !call maxim |
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| 88 | |
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| 89 | call set_BC_values ! compute u boundary values for faces 1:6 |
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| 90 | !print*,'... call set_BC_values ...' |
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| 91 | !call maxim |
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| 92 | |
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| 93 | call apply_BCs ! impose exact satisfaction of BCs |
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| 94 | !print*,'... call apply_BCs ...' |
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| 95 | !call maxim |
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| 96 | |
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| 97 | call user_BCs ! impose user-defined |
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| 98 | !print*,'... call user_BCs ...' |
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| 99 | !call maxim |
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| 100 | |
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| 101 | include 'toggle.h' ! toggle counters, indices etc |
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| 102 | !print*,'... call toggle.h' |
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| 103 | |
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| 104 | call maxim |
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| 105 | |
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| 106 | enddo |
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| 107 | |
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| 108 | call mpi_barrier(comm,ierr) |
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| 109 | |
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| 110 | call MPI_Time(1) |
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| 111 | |
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| 112 | call mpi_finalize(ierr) |
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| 113 | |
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| 114 | end program cfd |
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