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XBeach
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00001 module libxbeach_module 00002 use iso_c_binding, only: c_int, c_char 00003 use params, only: parameters 00004 use spaceparamsdef, only: spacepars 00005 use timestep_module, only: timepars 00006 use ship_module, only: ship 00007 use vegetation_module, only: veggie 00008 00009 00010 implicit none 00011 private 00012 public executestep, outputext, final, init, getversion 00013 public par, tpar, s, sglobal 00014 #ifdef USEMPI 00015 public slocal 00016 #endif 00017 save 00018 00019 type(parameters) :: par 00020 type(timepars) :: tpar 00021 type(spacepars), pointer :: s 00022 type(spacepars), target :: sglobal 00023 type(ship), dimension(:), pointer :: sh 00024 00025 integer :: n,it,error 00026 real*8 :: tbegin 00027 00028 #ifdef USEMPI 00029 type(spacepars), target :: slocal 00030 real*8 :: t0,t01 00031 logical :: toall = .true. 00032 logical :: end_program 00033 integer :: nxbak, nybak 00034 #endif 00035 00036 00037 !startinit 00038 00039 !-----------------------------------------------------------------------------! 00040 ! Initialize program ! 00041 !-----------------------------------------------------------------------------! 00042 00043 00044 contains 00045 integer(c_int) function init() 00046 use params, only: params_inio, all_input 00047 use spaceparams, only: space_alloc_scalars, ranges_init 00048 use xmpi_module 00049 use initialize_module, only: drifter_init, wave_init, sed_init, flow_init, discharge_init, hotstart_init_1, hotstart_init_2 00050 use initialize_module, only: setbathy_init, grid_bathy 00051 use readtide_module, only: readtide 00052 use readwind_module, only: readwind 00053 use beachwizard_module, only: bwinit 00054 use timestep_module, only: timestep_init 00055 use logging_module, only: writelog 00056 use groundwaterflow, only: gw_init 00057 use logging_module, only: start_logfiles, writelog_startup 00058 use means_module, only: means_init 00059 use output_module, only: output_init, output 00060 use ship_module, only: ship_init 00061 use nonh_module, only: nonh_init 00062 use vegetation_module, only: veggie_init 00063 use paramsconst 00064 use rainfall_module 00065 #ifdef USEMPI 00066 use xmpi_module 00067 use spaceparams 00068 use logging_module, only: writelog_mpi 00069 use params, only: distribute_par 00070 00071 integer, dimension(12) :: info 00072 character(256) :: line 00073 integer :: rank,i 00074 #endif 00075 00076 error = 0 00077 n = 0 00078 00079 ! setup of MPI 00080 #ifdef USEMPI 00081 s=>slocal 00082 call xmpi_initialize 00083 call xmpi_barrier(toall) 00084 t0 = MPI_Wtime() 00085 #endif 00086 00087 ! create log files 00088 call start_logfiles(error) 00089 00090 ! set starting time and date 00091 call cpu_time(tbegin) 00092 00093 ! show statup message 00094 call writelog_startup() 00095 00096 !-----------------------------------------------------------------------------! 00097 ! Initialize simulation ! 00098 !-----------------------------------------------------------------------------! 00099 00100 ! initialize time counter 00101 it = 0 00102 00103 ! read input from params.txt 00104 params_inio = .false. 00105 call all_input(par) 00106 00107 ! allocate space scalars 00108 call space_alloc_scalars(sglobal) 00109 s => sglobal 00110 00111 ! read grid and bathymetry 00112 call grid_bathy(s,par) 00113 00114 ! distribute grid over processors 00115 #ifdef USEMPI 00116 call xmpi_determine_processor_grid(s%nx,s%ny,par%mpiboundary,par%mmpi,par%nmpi,par%cyclic,error) 00117 #if 0 00118 ! print information about the neighbours of the processes 00119 info = 0 00120 info(1) = xmpi_orank 00121 info(2) = xmpi_rank 00122 info(3) = xmpi_prow 00123 info(4) = xmpi_pcol 00124 info(5) = xmpi_left 00125 info(6) = xmpi_right 00126 info(7) = xmpi_top 00127 info(8) = xmpi_bot 00128 if(xmpi_isleft) info(9) = 1 00129 if(xmpi_isright) info(10) = 1 00130 if(xmpi_istop) info(11) = 1 00131 if(xmpi_isbot) info(12) = 1 00132 00133 do i=5,8 00134 if(info(i) .eq. MPI_PROC_NULL) then 00135 info(i) = -99 00136 endif 00137 enddo 00138 00139 call writelog("ls"," "," ranks and neigbours (-99 means: no neighbour):") 00140 call writelog("ls"," ",' ') 00141 call writelog("ls"," "," orank rank pcol prow left right top bot isleft isright istop isbot") 00142 00143 do rank = 0,xmpi_osize-1 00144 if (rank .ne. xmpi_omaster) then 00145 call xmpi_send(rank,xmpi_imaster,info) 00146 if (xmaster) then 00147 write(line,'(i5,i5,i5,i5,i5,i6,i5,i5,i7,i8,i6,i6)') info 00148 endif 00149 call writelog("ls"," ",trim(line)) 00150 endif 00151 enddo 00152 call writelog("ls"," ",' ') 00153 #endif 00154 call writelog_mpi(par%mpiboundary,error) 00155 #endif 00156 00157 ! initialize timestep 00158 call timestep_init(par, tpar) 00159 00160 if (xmaster) then 00161 00162 call writelog('ls','','Initializing .....') 00163 endif 00164 if (xmaster) then 00165 if(par%hotstart==1) then 00166 call hotstart_init_1(s,par) 00167 endif 00168 endif 00169 call setbathy_init (s,par) 00170 ! initialize physics 00171 call readtide (s,par) 00172 call readwind (s,par) 00173 call flow_init (s,par) 00174 call discharge_init (s,par) 00175 call drifter_init (s,par) 00176 call wave_init (s,par) 00177 call gw_init (s,par) 00178 call rainfall_init (s,par) 00179 ! TODO, fix ordening of arguments.... 00180 call bwinit (s) ! works only on master process 00181 00182 call sed_init (s,par) 00183 00184 call ship_init (s,par,sh) ! always need to call initialise in order 00185 ! to reserve memory on MPI subprocesses. 00186 ! Note: if par%ships==0 then don't allocate 00187 ! and read stuff for sh structures 00188 call veggie_init (s,par) 00189 ! 00190 if (xmaster) then 00191 if(par%hotstart==1) then 00192 call hotstart_init_2(s,par) 00193 endif 00194 endif 00195 #ifdef USEMPI 00196 call distribute_par(par) 00197 s => slocal 00198 ! 00199 ! here an hack to ensure that sglobal is populated, also on 00200 ! the not-(o)master processes, just to get valid addresses. 00201 ! 00202 if (.not. xmaster .and. .not. xomaster) then 00203 !nxbak = sglobal%nx 00204 !nybak = sglobal%ny 00205 !sglobal%nx=0 00206 !sglobal%ny=0 00207 call space_alloc_arrays_dummies(sglobal,par) 00208 !sglobal%nx = nxbak 00209 !sglobal%ny = nybak 00210 endif 00211 call space_distribute_space (sglobal,s,par) 00212 #endif 00213 00214 call ranges_init(s) 00215 00216 ! nonh_init does not always need to be called 00217 if (par%wavemodel==WAVEMODEL_NONH) call nonh_init(s,par) 00218 00219 ! initialize output 00220 call means_init (sglobal,s,par ) 00221 00222 call output_init (sglobal,s,par,tpar) 00223 00224 00225 ! store first timestep 00226 ! from this point on, xomaster will hang in subroutine output 00227 ! until a broadcast .true. is received 00228 call output(sglobal,s,par,tpar) 00229 init = 0 00230 end function init 00231 00232 integer(c_int) function outputext() 00233 use output_module, only: output, output_error 00234 ! store first timestep 00235 call output(sglobal,s,par,tpar,.false.) 00236 if(error==0) then 00237 outputext = 0 00238 elseif(error==1) then 00239 call output_error(s,sglobal,par,tpar) 00240 outputext = 1 00241 endif 00242 00243 end function outputext 00244 !-----------------------------------------------------------------------------! 00245 ! Start simulation ! 00246 !-----------------------------------------------------------------------------! 00247 00248 !_____________________________________________________________________________ 00249 00250 integer(c_int) function executestep(dt) 00251 use loopcounters_module, only: execute_counter 00252 use xmpi_module, only: xcompute 00253 use drifter_module, only: drifter 00254 use flow_timestep_module, only: flow 00255 use boundaryconditions, only: wave_bc, flow_bc 00256 use morphevolution, only: bed_update, setbathy_update, transus 00257 use wave_timestep_module, only: wave 00258 use timestep_module, only: timestep, outputtimes_update 00259 use groundwaterflow, only: gw_bc, gwflow 00260 use beachwizard_module, only: assim, assim_update 00261 use ship_module, only: shipwave 00262 use vegetation_module, only: vegatt 00263 use wetcells_module, only: compute_wetcells 00264 use output_module, only: log_progress 00265 use paramsconst 00266 use rainfall_module 00267 use logging_module 00268 #ifdef USEMPI 00269 use xmpi_module 00270 #endif 00271 00272 real*8, optional :: dt 00273 00274 #ifdef USEMPI 00275 if (execute_counter .eq. 1) then 00276 ! exclude first pass from time measurement 00277 call xmpi_barrier 00278 t01 = MPI_Wtime() 00279 endif 00280 #endif 00281 execute_counter = execute_counter + 1 00282 00283 executestep = -1 00284 00285 ! determine timestep 00286 if(xcompute) then 00287 00288 ! determine this time step's wet points 00289 call compute_wetcells(s,par) 00290 ! 00291 ! determine time step 00292 call timestep(s,par,tpar,it,dt=dt,ierr=error) 00293 call outputtimes_update(par, tpar) 00294 00295 ! update log 00296 call log_progress(par) 00297 00298 if (error==0) then 00299 ! 00300 ! Boundary conditions 00301 call wave_bc (sglobal,s,par) 00302 if (par%gwflow==1) call gw_bc (s,par) 00303 if ((par%flow==1).or.(par%wavemodel==WAVEMODEL_NONH)) call flow_bc (s,par) 00304 ! 00305 ! Compute timestep 00306 if (par%ships==1) call shipwave (s,par,sh) 00307 if (par%swave==1) call wave (s,par) 00308 if (par%vegetation==1) call vegatt (s,par) 00309 if (par%gwflow==1) call gwflow (s,par) 00310 if ((par%flow==1).or.(par%wavemodel==WAVEMODEL_NONH)) call flow (s,par) 00311 if (par%ndrifter>0) call drifter (s,par) 00312 if (par%sedtrans==1) call transus (s,par) 00313 if (par%bchwiz>0) call assim (s,par) ! Beach wizard 00314 ! 00315 ! Bed level update 00316 if ((par%morphology==1).and.(.not. par%bchwiz==1).and.(.not. par%setbathy==1)) call bed_update(s,par) 00317 if (par%bchwiz>0) call assim_update (s, par) 00318 if (par%setbathy==1) call setbathy_update(s, par) 00319 endif 00320 endif 00321 00322 n = n + 1 00323 executestep = 0 00324 end function executestep 00325 !_____________________________________________________________________________ 00326 00327 00328 integer(c_int) function final() 00329 use logging_module, only: writelog_finalize 00330 use xmpi_module 00331 00332 00333 !-----------------------------------------------------------------------------! 00334 ! Finalize simulation ! 00335 !-----------------------------------------------------------------------------! 00336 00337 #ifdef USEMPI 00338 end_program = .true. 00339 call xmpi_send_sleep(xmpi_imaster,xmpi_omaster) ! wake up omaster 00340 call xmpi_bcast(end_program,toall) 00341 call xmpi_barrier(toall) 00342 call writelog_finalize(tbegin,n,par%t,par%nx,par%ny,t0,t01) 00343 call xmpi_finalize 00344 #else 00345 call writelog_finalize(tbegin,n,par%t,par%nx,par%ny) 00346 #endif 00347 final = 0 00348 end function final 00349 00350 subroutine getversion(version) 00351 character(kind=c_char,len=*),intent(inout) :: version 00352 00353 include 'version.def' 00354 include 'version.dat' 00355 00356 version = trim(Build_Revision) 00357 end subroutine 00358 00359 end module libxbeach_module
1.7.6.1
