| 1 |
C $Header: /u/gcmpack/MITgcm/model/src/solve_for_pressure.F,v 1.50 2005/12/19 21:10:34 jmc Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "PACKAGES_CONFIG.h" |
| 5 |
#include "CPP_OPTIONS.h" |
| 6 |
|
| 7 |
CBOP |
| 8 |
C !ROUTINE: SOLVE_FOR_PRESSURE |
| 9 |
C !INTERFACE: |
| 10 |
SUBROUTINE SOLVE_FOR_PRESSURE(myTime, myIter, myThid) |
| 11 |
|
| 12 |
C !DESCRIPTION: \bv |
| 13 |
C *==========================================================* |
| 14 |
C | SUBROUTINE SOLVE_FOR_PRESSURE |
| 15 |
C | o Controls inversion of two and/or three-dimensional |
| 16 |
C | elliptic problems for the pressure field. |
| 17 |
C *==========================================================* |
| 18 |
C \ev |
| 19 |
|
| 20 |
C !USES: |
| 21 |
IMPLICIT NONE |
| 22 |
C == Global variables |
| 23 |
#include "SIZE.h" |
| 24 |
#include "EEPARAMS.h" |
| 25 |
#include "PARAMS.h" |
| 26 |
#include "GRID.h" |
| 27 |
#include "SURFACE.h" |
| 28 |
#include "FFIELDS.h" |
| 29 |
#include "DYNVARS.h" |
| 30 |
#include "SOLVE_FOR_PRESSURE.h" |
| 31 |
#ifdef ALLOW_NONHYDROSTATIC |
| 32 |
#include "SOLVE_FOR_PRESSURE3D.h" |
| 33 |
#include "NH_VARS.h" |
| 34 |
#endif |
| 35 |
#ifdef ALLOW_CD_CODE |
| 36 |
#include "CD_CODE_VARS.h" |
| 37 |
#endif |
| 38 |
#ifdef ALLOW_OBCS |
| 39 |
#include "OBCS.h" |
| 40 |
#endif |
| 41 |
|
| 42 |
C === Functions ==== |
| 43 |
LOGICAL DIFFERENT_MULTIPLE |
| 44 |
EXTERNAL DIFFERENT_MULTIPLE |
| 45 |
|
| 46 |
C !INPUT/OUTPUT PARAMETERS: |
| 47 |
C == Routine arguments == |
| 48 |
C myTime - Current time in simulation |
| 49 |
C myIter - Current iteration number in simulation |
| 50 |
C myThid - Thread number for this instance of SOLVE_FOR_PRESSURE |
| 51 |
_RL myTime |
| 52 |
INTEGER myIter |
| 53 |
INTEGER myThid |
| 54 |
|
| 55 |
C !LOCAL VARIABLES: |
| 56 |
C == Local variables == |
| 57 |
INTEGER i,j,k,bi,bj |
| 58 |
_RS uf(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 59 |
_RS vf(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 60 |
_RL firstResidual,lastResidual |
| 61 |
_RL tmpFac |
| 62 |
_RL sumEmP, tileEmP |
| 63 |
LOGICAL putPmEinXvector |
| 64 |
INTEGER numIters |
| 65 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
| 66 |
#ifdef ALLOW_NONHYDROSTATIC |
| 67 |
INTEGER ks, kp1 |
| 68 |
_RL maskKp1 |
| 69 |
LOGICAL zeroPsNH |
| 70 |
#endif |
| 71 |
CEOP |
| 72 |
|
| 73 |
#ifdef TIME_PER_TIMESTEP |
| 74 |
CCE107 common block for per timestep timing |
| 75 |
C !TIMING VARIABLES |
| 76 |
C == Timing variables == |
| 77 |
REAL*8 utnew, utold, stnew, stold, wtnew, wtold |
| 78 |
COMMON /timevars/ utnew, utold, stnew, stold, wtnew, wtold |
| 79 |
#endif |
| 80 |
|
| 81 |
#ifdef ALLOW_NONHYDROSTATIC |
| 82 |
c zeroPsNH = .FALSE. |
| 83 |
zeroPsNH = exactConserv |
| 84 |
#endif |
| 85 |
|
| 86 |
C-- Initialise the Vector solution with etaN + deltaT*Global_mean_PmE |
| 87 |
C instead of simply etaN ; This can speed-up the solver convergence in |
| 88 |
C the case where |Global_mean_PmE| is large. |
| 89 |
putPmEinXvector = .FALSE. |
| 90 |
c putPmEinXvector = useRealFreshWaterFlux |
| 91 |
|
| 92 |
C-- Save previous solution & Initialise Vector solution and source term : |
| 93 |
sumEmP = 0. |
| 94 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 95 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 96 |
DO j=1-OLy,sNy+OLy |
| 97 |
DO i=1-OLx,sNx+OLx |
| 98 |
#ifdef ALLOW_CD_CODE |
| 99 |
etaNm1(i,j,bi,bj) = etaN(i,j,bi,bj) |
| 100 |
#endif |
| 101 |
cg2d_x(i,j,bi,bj) = Bo_surf(i,j,bi,bj)*etaN(i,j,bi,bj) |
| 102 |
cg2d_b(i,j,bi,bj) = 0. |
| 103 |
ENDDO |
| 104 |
ENDDO |
| 105 |
IF (useRealFreshWaterFlux) THEN |
| 106 |
tmpFac = freeSurfFac*convertEmP2rUnit |
| 107 |
IF (exactConserv) |
| 108 |
& tmpFac = freeSurfFac*convertEmP2rUnit*implicDiv2DFlow |
| 109 |
DO j=1,sNy |
| 110 |
DO i=1,sNx |
| 111 |
cg2d_b(i,j,bi,bj) = |
| 112 |
& tmpFac*_rA(i,j,bi,bj)*EmPmR(i,j,bi,bj)/deltaTMom |
| 113 |
ENDDO |
| 114 |
ENDDO |
| 115 |
ENDIF |
| 116 |
IF ( putPmEinXvector ) THEN |
| 117 |
tileEmP = 0. |
| 118 |
DO j=1,sNy |
| 119 |
DO i=1,sNx |
| 120 |
tileEmP = tileEmP + rA(i,j,bi,bj)*EmPmR(i,j,bi,bj) |
| 121 |
& *maskH(i,j,bi,bj) |
| 122 |
ENDDO |
| 123 |
ENDDO |
| 124 |
sumEmP = sumEmP + tileEmP |
| 125 |
ENDIF |
| 126 |
ENDDO |
| 127 |
ENDDO |
| 128 |
IF ( putPmEinXvector ) THEN |
| 129 |
_GLOBAL_SUM_R8( sumEmP, myThid ) |
| 130 |
ENDIF |
| 131 |
|
| 132 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 133 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 134 |
IF ( putPmEinXvector ) THEN |
| 135 |
tmpFac = 0. |
| 136 |
IF (globalArea.GT.0.) tmpFac = freeSurfFac*deltaTfreesurf |
| 137 |
& *convertEmP2rUnit*sumEmP/globalArea |
| 138 |
DO j=1,sNy |
| 139 |
DO i=1,sNx |
| 140 |
cg2d_x(i,j,bi,bj) = cg2d_x(i,j,bi,bj) |
| 141 |
& - tmpFac*Bo_surf(i,j,bi,bj) |
| 142 |
ENDDO |
| 143 |
ENDDO |
| 144 |
ENDIF |
| 145 |
DO K=Nr,1,-1 |
| 146 |
DO j=1,sNy+1 |
| 147 |
DO i=1,sNx+1 |
| 148 |
uf(i,j) = _dyG(i,j,bi,bj) |
| 149 |
& *drF(k)*_hFacW(i,j,k,bi,bj) |
| 150 |
vf(i,j) = _dxG(i,j,bi,bj) |
| 151 |
& *drF(k)*_hFacS(i,j,k,bi,bj) |
| 152 |
ENDDO |
| 153 |
ENDDO |
| 154 |
CALL CALC_DIV_GHAT( |
| 155 |
I bi,bj,1,sNx,1,sNy,K, |
| 156 |
I uf,vf, |
| 157 |
U cg2d_b, |
| 158 |
I myThid) |
| 159 |
ENDDO |
| 160 |
ENDDO |
| 161 |
ENDDO |
| 162 |
|
| 163 |
C-- Add source term arising from w=d/dt (p_s + p_nh) |
| 164 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 165 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 166 |
#ifdef ALLOW_NONHYDROSTATIC |
| 167 |
IF ( nonHydrostatic .AND. zeroPsNH ) THEN |
| 168 |
DO j=1,sNy |
| 169 |
DO i=1,sNx |
| 170 |
ks = ksurfC(i,j,bi,bj) |
| 171 |
IF ( ks.LE.Nr ) THEN |
| 172 |
cg2d_b(i,j,bi,bj) = cg2d_b(i,j,bi,bj) |
| 173 |
& -freeSurfFac*_rA(i,j,bi,bj)/deltaTMom/deltaTfreesurf |
| 174 |
& * etaH(i,j,bi,bj) |
| 175 |
cg3d_b(i,j,ks,bi,bj) = cg3d_b(i,j,ks,bi,bj) |
| 176 |
& -freeSurfFac*_rA(i,j,bi,bj)/deltaTMom/deltaTfreesurf |
| 177 |
& * etaH(i,j,bi,bj) |
| 178 |
ENDIF |
| 179 |
ENDDO |
| 180 |
ENDDO |
| 181 |
ELSEIF ( nonHydrostatic ) THEN |
| 182 |
DO j=1,sNy |
| 183 |
DO i=1,sNx |
| 184 |
ks = ksurfC(i,j,bi,bj) |
| 185 |
IF ( ks.LE.Nr ) THEN |
| 186 |
cg2d_b(i,j,bi,bj) = cg2d_b(i,j,bi,bj) |
| 187 |
& -freeSurfFac*_rA(i,j,bi,bj)/deltaTMom/deltaTfreesurf |
| 188 |
& *( etaN(i,j,bi,bj) |
| 189 |
& +phi_nh(i,j,ks,bi,bj)*horiVertRatio/gravity ) |
| 190 |
cg3d_b(i,j,ks,bi,bj) = cg3d_b(i,j,ks,bi,bj) |
| 191 |
& -freeSurfFac*_rA(i,j,bi,bj)/deltaTMom/deltaTfreesurf |
| 192 |
& *( etaN(i,j,bi,bj) |
| 193 |
& +phi_nh(i,j,ks,bi,bj)*horiVertRatio/gravity ) |
| 194 |
ENDIF |
| 195 |
ENDDO |
| 196 |
ENDDO |
| 197 |
ELSEIF ( exactConserv ) THEN |
| 198 |
#else |
| 199 |
IF ( exactConserv ) THEN |
| 200 |
#endif /* ALLOW_NONHYDROSTATIC */ |
| 201 |
DO j=1,sNy |
| 202 |
DO i=1,sNx |
| 203 |
cg2d_b(i,j,bi,bj) = cg2d_b(i,j,bi,bj) |
| 204 |
& -freeSurfFac*_rA(i,j,bi,bj)/deltaTMom/deltaTfreesurf |
| 205 |
& * etaH(i,j,bi,bj) |
| 206 |
ENDDO |
| 207 |
ENDDO |
| 208 |
ELSE |
| 209 |
DO j=1,sNy |
| 210 |
DO i=1,sNx |
| 211 |
cg2d_b(i,j,bi,bj) = cg2d_b(i,j,bi,bj) |
| 212 |
& -freeSurfFac*_rA(i,j,bi,bj)/deltaTMom/deltaTfreesurf |
| 213 |
& * etaN(i,j,bi,bj) |
| 214 |
ENDDO |
| 215 |
ENDDO |
| 216 |
ENDIF |
| 217 |
|
| 218 |
#ifdef ALLOW_OBCS |
| 219 |
IF (useOBCS) THEN |
| 220 |
DO i=1,sNx |
| 221 |
C Northern boundary |
| 222 |
IF (OB_Jn(I,bi,bj).NE.0) THEN |
| 223 |
cg2d_b(I,OB_Jn(I,bi,bj),bi,bj)=0. |
| 224 |
cg2d_x(I,OB_Jn(I,bi,bj),bi,bj)=0. |
| 225 |
ENDIF |
| 226 |
C Southern boundary |
| 227 |
IF (OB_Js(I,bi,bj).NE.0) THEN |
| 228 |
cg2d_b(I,OB_Js(I,bi,bj),bi,bj)=0. |
| 229 |
cg2d_x(I,OB_Js(I,bi,bj),bi,bj)=0. |
| 230 |
ENDIF |
| 231 |
ENDDO |
| 232 |
DO j=1,sNy |
| 233 |
C Eastern boundary |
| 234 |
IF (OB_Ie(J,bi,bj).NE.0) THEN |
| 235 |
cg2d_b(OB_Ie(J,bi,bj),J,bi,bj)=0. |
| 236 |
cg2d_x(OB_Ie(J,bi,bj),J,bi,bj)=0. |
| 237 |
ENDIF |
| 238 |
C Western boundary |
| 239 |
IF (OB_Iw(J,bi,bj).NE.0) THEN |
| 240 |
cg2d_b(OB_Iw(J,bi,bj),J,bi,bj)=0. |
| 241 |
cg2d_x(OB_Iw(J,bi,bj),J,bi,bj)=0. |
| 242 |
ENDIF |
| 243 |
ENDDO |
| 244 |
ENDIF |
| 245 |
#endif /* ALLOW_OBCS */ |
| 246 |
C- end bi,bj loops |
| 247 |
ENDDO |
| 248 |
ENDDO |
| 249 |
|
| 250 |
#ifdef ALLOW_DEBUG |
| 251 |
IF ( debugLevel .GE. debLevB ) THEN |
| 252 |
CALL DEBUG_STATS_RL(1,cg2d_b,'cg2d_b (SOLVE_FOR_PRESSURE)', |
| 253 |
& myThid) |
| 254 |
ENDIF |
| 255 |
#endif |
| 256 |
|
| 257 |
C-- Find the surface pressure using a two-dimensional conjugate |
| 258 |
C-- gradient solver. |
| 259 |
C see CG2D.h for the interface to this routine. |
| 260 |
firstResidual=0. |
| 261 |
lastResidual=0. |
| 262 |
numIters=cg2dMaxIters |
| 263 |
c CALL TIMER_START('CG2D [SOLVE_FOR_PRESSURE]',myThid) |
| 264 |
CALL CG2D( |
| 265 |
U cg2d_b, |
| 266 |
U cg2d_x, |
| 267 |
O firstResidual, |
| 268 |
O lastResidual, |
| 269 |
U numIters, |
| 270 |
I myThid ) |
| 271 |
_EXCH_XY_R8(cg2d_x, myThid ) |
| 272 |
c CALL TIMER_STOP ('CG2D [SOLVE_FOR_PRESSURE]',myThid) |
| 273 |
|
| 274 |
#ifdef ALLOW_DEBUG |
| 275 |
IF ( debugLevel .GE. debLevB ) THEN |
| 276 |
CALL DEBUG_STATS_RL(1,cg2d_x,'cg2d_x (SOLVE_FOR_PRESSURE)', |
| 277 |
& myThid) |
| 278 |
ENDIF |
| 279 |
#endif |
| 280 |
|
| 281 |
C- dump CG2D output at monitorFreq (to reduce size of STD-OUTPUT files) : |
| 282 |
IF ( DIFFERENT_MULTIPLE(monitorFreq,myTime,deltaTClock) |
| 283 |
& ) THEN |
| 284 |
IF ( debugLevel .GE. debLevA ) THEN |
| 285 |
_BEGIN_MASTER( myThid ) |
| 286 |
WRITE(msgBuf,'(A34,1PE24.14)') 'cg2d_init_res =',firstResidual |
| 287 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 288 |
WRITE(msgBuf,'(A34,I6)') 'cg2d_iters =',numIters |
| 289 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 290 |
WRITE(msgBuf,'(A34,1PE24.14)') 'cg2d_res =',lastResidual |
| 291 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 292 |
_END_MASTER( myThid ) |
| 293 |
ENDIF |
| 294 |
ENDIF |
| 295 |
|
| 296 |
C-- Transfert the 2D-solution to "etaN" : |
| 297 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 298 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 299 |
DO j=1-OLy,sNy+OLy |
| 300 |
DO i=1-OLx,sNx+OLx |
| 301 |
etaN(i,j,bi,bj) = recip_Bo(i,j,bi,bj)*cg2d_x(i,j,bi,bj) |
| 302 |
ENDDO |
| 303 |
ENDDO |
| 304 |
ENDDO |
| 305 |
ENDDO |
| 306 |
|
| 307 |
#ifdef ALLOW_NONHYDROSTATIC |
| 308 |
IF ( nonHydrostatic ) THEN |
| 309 |
|
| 310 |
C-- Solve for a three-dimensional pressure term (NH or IGW or both ). |
| 311 |
C see CG3D.h for the interface to this routine. |
| 312 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 313 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 314 |
DO j=1,sNy+1 |
| 315 |
DO i=1,sNx+1 |
| 316 |
uf(i,j)=-_recip_dxC(i,j,bi,bj)* |
| 317 |
& (cg2d_x(i,j,bi,bj)-cg2d_x(i-1,j,bi,bj)) |
| 318 |
vf(i,j)=-_recip_dyC(i,j,bi,bj)* |
| 319 |
& (cg2d_x(i,j,bi,bj)-cg2d_x(i,j-1,bi,bj)) |
| 320 |
ENDDO |
| 321 |
ENDDO |
| 322 |
|
| 323 |
#ifdef ALLOW_OBCS |
| 324 |
IF (useOBCS) THEN |
| 325 |
DO i=1,sNx+1 |
| 326 |
C Northern boundary |
| 327 |
IF (OB_Jn(I,bi,bj).NE.0) THEN |
| 328 |
vf(I,OB_Jn(I,bi,bj))=0. |
| 329 |
ENDIF |
| 330 |
C Southern boundary |
| 331 |
IF (OB_Js(I,bi,bj).NE.0) THEN |
| 332 |
vf(I,OB_Js(I,bi,bj)+1)=0. |
| 333 |
ENDIF |
| 334 |
ENDDO |
| 335 |
DO j=1,sNy+1 |
| 336 |
C Eastern boundary |
| 337 |
IF (OB_Ie(J,bi,bj).NE.0) THEN |
| 338 |
uf(OB_Ie(J,bi,bj),J)=0. |
| 339 |
ENDIF |
| 340 |
C Western boundary |
| 341 |
IF (OB_Iw(J,bi,bj).NE.0) THEN |
| 342 |
uf(OB_Iw(J,bi,bj)+1,J)=0. |
| 343 |
ENDIF |
| 344 |
ENDDO |
| 345 |
ENDIF |
| 346 |
#endif /* ALLOW_OBCS */ |
| 347 |
|
| 348 |
IF ( usingZCoords ) THEN |
| 349 |
C- Z coordinate: assume surface @ level k=1 |
| 350 |
tmpFac = freeSurfFac |
| 351 |
ELSE |
| 352 |
C- Other than Z coordinate: no assumption on surface level index |
| 353 |
tmpFac = 0. |
| 354 |
DO j=1,sNy |
| 355 |
DO i=1,sNx |
| 356 |
ks = ksurfC(i,j,bi,bj) |
| 357 |
IF ( ks.LE.Nr ) THEN |
| 358 |
cg3d_b(i,j,ks,bi,bj) = cg3d_b(i,j,ks,bi,bj) |
| 359 |
& +freeSurfFac*etaN(i,j,bi,bj)/deltaTfreesurf |
| 360 |
& *_rA(i,j,bi,bj)/deltaTmom |
| 361 |
ENDIF |
| 362 |
ENDDO |
| 363 |
ENDDO |
| 364 |
ENDIF |
| 365 |
K=1 |
| 366 |
kp1 = MIN(k+1,Nr) |
| 367 |
maskKp1 = 1. |
| 368 |
IF (k.GE.Nr) maskKp1 = 0. |
| 369 |
DO j=1,sNy |
| 370 |
DO i=1,sNx |
| 371 |
cg3d_b(i,j,k,bi,bj) = cg3d_b(i,j,k,bi,bj) |
| 372 |
& +drF(K)*dyG(i+1,j,bi,bj)*hFacW(i+1,j,k,bi,bj)*uf(i+1,j) |
| 373 |
& -drF(K)*dyG( i ,j,bi,bj)*hFacW( i ,j,k,bi,bj)*uf( i ,j) |
| 374 |
& +drF(K)*dxG(i,j+1,bi,bj)*hFacS(i,j+1,k,bi,bj)*vf(i,j+1) |
| 375 |
& -drF(K)*dxG(i, j ,bi,bj)*hFacS(i, j ,k,bi,bj)*vf(i, j ) |
| 376 |
& +( tmpFac*etaN(i,j,bi,bj)/deltaTfreesurf |
| 377 |
& -wVel(i,j,kp1,bi,bj)*maskKp1 |
| 378 |
& )*_rA(i,j,bi,bj)/deltaTmom |
| 379 |
ENDDO |
| 380 |
ENDDO |
| 381 |
DO K=2,Nr |
| 382 |
kp1 = MIN(k+1,Nr) |
| 383 |
maskKp1 = 1. |
| 384 |
IF (k.GE.Nr) maskKp1 = 0. |
| 385 |
DO j=1,sNy |
| 386 |
DO i=1,sNx |
| 387 |
cg3d_b(i,j,k,bi,bj) = cg3d_b(i,j,k,bi,bj) |
| 388 |
& +drF(K)*dyG(i+1,j,bi,bj)*hFacW(i+1,j,k,bi,bj)*uf(i+1,j) |
| 389 |
& -drF(K)*dyG( i ,j,bi,bj)*hFacW( i ,j,k,bi,bj)*uf( i ,j) |
| 390 |
& +drF(K)*dxG(i,j+1,bi,bj)*hFacS(i,j+1,k,bi,bj)*vf(i,j+1) |
| 391 |
& -drF(K)*dxG(i, j ,bi,bj)*hFacS(i, j ,k,bi,bj)*vf(i, j ) |
| 392 |
& +( wVel(i,j,k ,bi,bj)*maskC(i,j,k-1,bi,bj) |
| 393 |
& -wVel(i,j,kp1,bi,bj)*maskKp1 |
| 394 |
& )*_rA(i,j,bi,bj)/deltaTmom |
| 395 |
|
| 396 |
ENDDO |
| 397 |
ENDDO |
| 398 |
ENDDO |
| 399 |
|
| 400 |
#ifdef ALLOW_OBCS |
| 401 |
IF (useOBCS) THEN |
| 402 |
DO K=1,Nr |
| 403 |
DO i=1,sNx |
| 404 |
C Northern boundary |
| 405 |
IF (OB_Jn(I,bi,bj).NE.0) THEN |
| 406 |
cg3d_b(I,OB_Jn(I,bi,bj),K,bi,bj)=0. |
| 407 |
ENDIF |
| 408 |
C Southern boundary |
| 409 |
IF (OB_Js(I,bi,bj).NE.0) THEN |
| 410 |
cg3d_b(I,OB_Js(I,bi,bj),K,bi,bj)=0. |
| 411 |
ENDIF |
| 412 |
ENDDO |
| 413 |
DO j=1,sNy |
| 414 |
C Eastern boundary |
| 415 |
IF (OB_Ie(J,bi,bj).NE.0) THEN |
| 416 |
cg3d_b(OB_Ie(J,bi,bj),J,K,bi,bj)=0. |
| 417 |
ENDIF |
| 418 |
C Western boundary |
| 419 |
IF (OB_Iw(J,bi,bj).NE.0) THEN |
| 420 |
cg3d_b(OB_Iw(J,bi,bj),J,K,bi,bj)=0. |
| 421 |
ENDIF |
| 422 |
ENDDO |
| 423 |
ENDDO |
| 424 |
ENDIF |
| 425 |
#endif /* ALLOW_OBCS */ |
| 426 |
C- end bi,bj loops |
| 427 |
ENDDO |
| 428 |
ENDDO |
| 429 |
|
| 430 |
firstResidual=0. |
| 431 |
lastResidual=0. |
| 432 |
numIters=cg3dMaxIters |
| 433 |
CALL TIMER_START('CG3D [SOLVE_FOR_PRESSURE]',myThid) |
| 434 |
CALL CG3D( |
| 435 |
U cg3d_b, |
| 436 |
U phi_nh, |
| 437 |
O firstResidual, |
| 438 |
O lastResidual, |
| 439 |
U numIters, |
| 440 |
I myThid ) |
| 441 |
_EXCH_XYZ_R8(phi_nh, myThid ) |
| 442 |
CALL TIMER_STOP ('CG3D [SOLVE_FOR_PRESSURE]',myThid) |
| 443 |
|
| 444 |
IF ( DIFFERENT_MULTIPLE(monitorFreq,myTime,deltaTClock) |
| 445 |
& ) THEN |
| 446 |
IF ( debugLevel .GE. debLevA ) THEN |
| 447 |
_BEGIN_MASTER( myThid ) |
| 448 |
WRITE(msgBuf,'(A34,1PE24.14)') 'cg3d_init_res =',firstResidual |
| 449 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 450 |
WRITE(msgBuf,'(A34,I6)') 'cg3d_iters =',numIters |
| 451 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 452 |
WRITE(msgBuf,'(A34,1PE24.14)') 'cg3d_res =',lastResidual |
| 453 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 454 |
_END_MASTER( myThid ) |
| 455 |
ENDIF |
| 456 |
ENDIF |
| 457 |
|
| 458 |
C-- Update surface pressure (account for NH-p @ surface level) and NH pressure: |
| 459 |
IF ( zeroPsNH ) THEN |
| 460 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 461 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 462 |
|
| 463 |
IF ( usingZCoords ) THEN |
| 464 |
C- Z coordinate: assume surface @ level k=1 |
| 465 |
DO k=2,Nr |
| 466 |
DO j=1-OLy,sNy+OLy |
| 467 |
DO i=1-OLx,sNx+OLx |
| 468 |
phi_nh(i,j,k,bi,bj) = phi_nh(i,j,k,bi,bj) |
| 469 |
& - phi_nh(i,j,1,bi,bj) |
| 470 |
ENDDO |
| 471 |
ENDDO |
| 472 |
ENDDO |
| 473 |
DO j=1-OLy,sNy+OLy |
| 474 |
DO i=1-OLx,sNx+OLx |
| 475 |
etaN(i,j,bi,bj) = recip_Bo(i,j,bi,bj) |
| 476 |
& *(cg2d_x(i,j,bi,bj) + phi_nh(i,j,1,bi,bj)) |
| 477 |
phi_nh(i,j,1,bi,bj) = 0. |
| 478 |
ENDDO |
| 479 |
ENDDO |
| 480 |
ELSE |
| 481 |
C- Other than Z coordinate: no assumption on surface level index |
| 482 |
DO j=1-OLy,sNy+OLy |
| 483 |
DO i=1-OLx,sNx+OLx |
| 484 |
ks = ksurfC(i,j,bi,bj) |
| 485 |
IF ( ks.LE.Nr ) THEN |
| 486 |
etaN(i,j,bi,bj) = recip_Bo(i,j,bi,bj) |
| 487 |
& *(cg2d_x(i,j,bi,bj) + phi_nh(i,j,ks,bi,bj)) |
| 488 |
DO k=Nr,1,-1 |
| 489 |
phi_nh(i,j,k,bi,bj) = phi_nh(i,j,k,bi,bj) |
| 490 |
& - phi_nh(i,j,ks,bi,bj) |
| 491 |
ENDDO |
| 492 |
ENDIF |
| 493 |
ENDDO |
| 494 |
ENDDO |
| 495 |
ENDIF |
| 496 |
|
| 497 |
ENDDO |
| 498 |
ENDDO |
| 499 |
ENDIF |
| 500 |
|
| 501 |
ENDIF |
| 502 |
#endif /* ALLOW_NONHYDROSTATIC */ |
| 503 |
|
| 504 |
#ifdef TIME_PER_TIMESTEP |
| 505 |
CCE107 Time per timestep information |
| 506 |
_BEGIN_MASTER( myThid ) |
| 507 |
CALL TIMER_GET_TIME( utnew, stnew, wtnew ) |
| 508 |
C Only output timing information after the 1st timestep |
| 509 |
IF ( wtold .NE. 0.0D0 ) THEN |
| 510 |
WRITE(msgBuf,'(A34,3F10.6)') |
| 511 |
$ 'User, system and wallclock time:', utnew - utold, |
| 512 |
$ stnew - stold, wtnew - wtold |
| 513 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 514 |
ENDIF |
| 515 |
utold = utnew |
| 516 |
stold = stnew |
| 517 |
wtold = wtnew |
| 518 |
_END_MASTER( myThid ) |
| 519 |
#endif |
| 520 |
|
| 521 |
RETURN |
| 522 |
END |
| 523 |
|
| 524 |
#ifdef TIME_PER_TIMESTEP |
| 525 |
CCE107 Initialization of common block for per timestep timing |
| 526 |
BLOCK DATA settimers |
| 527 |
C !TIMING VARIABLES |
| 528 |
C == Timing variables == |
| 529 |
REAL*8 utnew, utold, stnew, stold, wtnew, wtold |
| 530 |
COMMON /timevars/ utnew, utold, stnew, stold, wtnew, wtold |
| 531 |
DATA utnew, utold, stnew, stold, wtnew, wtold /6*0.0D0/ |
| 532 |
END |
| 533 |
#endif |
Parent Directory
| 
Revision Log
| 
Revision Graph