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C $Header$ |
C $Header$ |
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C $Name$ |
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#include "CPP_OPTIONS.h" |
#include "CPP_OPTIONS.h" |
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42 |
C myThid - Thread on which I am working. |
C myThid - Thread on which I am working. |
43 |
INTEGER myThid |
INTEGER myThid |
44 |
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45 |
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#ifdef ALLOW_NONHYDROSTATIC |
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47 |
C === Local variables ==== |
C === Local variables ==== |
48 |
C actualIts - Number of iterations taken |
C actualIts - Number of iterations taken |
49 |
C actualResidual - residual |
C actualResidual - residual |
50 |
C bi - Block index in X and Y. |
C bi - Block index in X and Y. |
51 |
C bj |
C bj |
52 |
C etaN - Used in computing search directions |
C eta_qrN - Used in computing search directions |
53 |
C etaNM1 suffix N and NM1 denote current and |
C eta_qrNM1 suffix N and NM1 denote current and |
54 |
C cgBeta previous iterations respectively. |
C cgBeta previous iterations respectively. |
55 |
C alpha |
C alpha |
56 |
C sumRHS - Sum of right-hand-side. Sometimes this is a |
C sumRHS - Sum of right-hand-side. Sometimes this is a |
65 |
INTEGER I, J, K, it3d |
INTEGER I, J, K, it3d |
66 |
INTEGER KM1, KP1 |
INTEGER KM1, KP1 |
67 |
_RL err |
_RL err |
68 |
_RL etaN |
_RL eta_qrN |
69 |
_RL etaNM1 |
_RL eta_qrNM1 |
70 |
_RL cgBeta |
_RL cgBeta |
71 |
_RL alpha |
_RL alpha |
72 |
_RL sumRHS |
_RL sumRHS |
80 |
INTEGER exchWidthX |
INTEGER exchWidthX |
81 |
INTEGER exchWidthY |
INTEGER exchWidthY |
82 |
INTEGER myNz |
INTEGER myNz |
83 |
_RL topLevFac |
_RL topLevTerm |
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CcnhDebugStarts |
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CHARACTER*(MAX_LEN_FNAM) suff |
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CcnhDebugEnds |
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#ifdef ALLOW_NONHYDROSTATIC |
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84 |
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85 |
C-- Initialise inverter |
C-- Initialise inverter |
86 |
etaNM1 = 1. D0 |
eta_qrNM1 = 1. D0 |
87 |
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88 |
C-- Normalise RHS |
C-- Normalise RHS |
89 |
rhsMax = 0. _d 0 |
rhsMax = 0. _d 0 |
119 |
_EXCH_XYZ_R8( cg3d_b, myThid ) |
_EXCH_XYZ_R8( cg3d_b, myThid ) |
120 |
_EXCH_XYZ_R8( cg3d_x, myThid ) |
_EXCH_XYZ_R8( cg3d_x, myThid ) |
121 |
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122 |
#ifdef NONO |
C-- Initial residual calculation (with free-Surface term) |
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CcnhDebugStarts |
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C-- Initial residual calculation |
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err = 0. _d 0 |
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sumRHS = 0. _d 0 |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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DO J=1,sNy |
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DO I=1,sNx |
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alpha = 0. _d 0 |
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DO K=1,Nr |
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KM1 = K-1 |
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IF ( KM1 .EQ. 0 ) KM1 = 1 |
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KP1 = K+1 |
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IF ( KP1 .EQ. Nr+1 ) KP1 = 1 |
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cg3d_r(I,J,K,bi,bj) = cg3d_b(I,J,K,bi,bj) -( 0. |
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& +aW3d(I ,J ,K ,bi,bj)*cg3d_x(I-1,J ,K ,bi,bj) |
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& +aW3d(I+1,J ,K ,bi,bj)*cg3d_x(I+1,J ,K ,bi,bj) |
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& +aS3d(I ,J ,K ,bi,bj)*cg3d_x(I ,J-1,K ,bi,bj) |
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& +aS3d(I ,J+1,K ,bi,bj)*cg3d_x(I ,J+1,K ,bi,bj) |
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& +aV3d(I ,J ,K ,bi,bj)*cg3d_x(I ,J ,KM1,bi,bj) |
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& +aV3d(I ,J ,KP1,bi,bj)*cg3d_x(I ,J ,KP1,bi,bj) |
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& -aW3d(I ,J ,K ,bi,bj)*cg3d_x(I ,J ,K ,bi,bj) |
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& -aW3d(I+1,J ,K ,bi,bj)*cg3d_x(I ,J ,K ,bi,bj) |
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& -aS3d(I ,J ,K ,bi,bj)*cg3d_x(I ,J ,K ,bi,bj) |
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& -aS3d(I ,J+1,K ,bi,bj)*cg3d_x(I ,J ,K ,bi,bj) |
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& -aV3d(I ,J ,K ,bi,bj)*cg3d_x(I ,J ,K ,bi,bj) |
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& -aV3d(I ,J ,KP1,bi,bj)*cg3d_x(I ,J ,K ,bi,bj) |
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& ) |
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alpha = alpha |
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& +cg3d_r(I,J,K,bi,bj) |
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sumRHS = sumRHS |
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& +cg3d_b(I,J,K,bi,bj) |
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ENDDO |
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err = err + alpha*alpha |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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WRITE(6,*) 'DEBUG mythid, err = ', mythid, SQRT(err) |
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_GLOBAL_SUM_R8( err , myThid ) |
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_GLOBAL_SUM_R8( sumRHS , myThid ) |
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_BEGIN_MASTER( myThid ) |
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write(0,*) 'DEBUG cg3d: Sum(rhs) = ',sumRHS |
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_END_MASTER( ) |
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actualIts = 0 |
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actualResidual = SQRT(err) |
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C _BARRIER |
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_BEGIN_MASTER( myThid ) |
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WRITE(0,'(A,I6,1PE30.14)') 'DEBUG CG3D iters, err = ', |
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& actualIts, actualResidual |
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_END_MASTER( ) |
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CcnhDebugEnds |
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#endif |
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C-- Initial residual calculation |
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123 |
err = 0. _d 0 |
err = 0. _d 0 |
124 |
sumRHS = 0. _d 0 |
sumRHS = 0. _d 0 |
125 |
DO bj=myByLo(myThid),myByHi(myThid) |
DO bj=myByLo(myThid),myByHi(myThid) |
129 |
IF ( K .EQ. 1 ) KM1 = 1 |
IF ( K .EQ. 1 ) KM1 = 1 |
130 |
KP1 = K+1 |
KP1 = K+1 |
131 |
IF ( K .EQ. Nr ) KP1 = 1 |
IF ( K .EQ. Nr ) KP1 = 1 |
132 |
topLevFac = 0. |
topLevTerm = 0. |
133 |
IF ( K .EQ. 1) topLevFac = 1. |
IF ( K .EQ. 1) topLevTerm = freeSurfFac*cg3dNorm* |
134 |
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& (horiVertRatio/gravity)/deltaTMom/deltaTMom |
135 |
DO J=1,sNy |
DO J=1,sNy |
136 |
DO I=1,sNx |
DO I=1,sNx |
137 |
cg3d_s(I,J,K,bi,bj) = 0. |
cg3d_s(I,J,K,bi,bj) = 0. |
148 |
& -aS3d(I ,J+1,K ,bi,bj)*cg3d_x(I ,J ,K ,bi,bj) |
& -aS3d(I ,J+1,K ,bi,bj)*cg3d_x(I ,J ,K ,bi,bj) |
149 |
& -aV3d(I ,J ,K ,bi,bj)*cg3d_x(I ,J ,K ,bi,bj) |
& -aV3d(I ,J ,K ,bi,bj)*cg3d_x(I ,J ,K ,bi,bj) |
150 |
& -aV3d(I ,J ,KP1,bi,bj)*cg3d_x(I ,J ,K ,bi,bj) |
& -aV3d(I ,J ,KP1,bi,bj)*cg3d_x(I ,J ,K ,bi,bj) |
151 |
& -freeSurfFac*_rA(i,j,bi,bj)* horiVertRatio* |
& -topLevTerm*_rA(I,J,bi,bj)*cg3d_x(I,J,K,bi,bj) |
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& cg3d_x(I ,J ,K,bi,bj)/deltaTMom/deltaTMom*cg3dNorm |
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& *topLevFac |
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152 |
& ) |
& ) |
153 |
err = err |
err = err |
154 |
& +cg3d_r(I,J,K,bi,bj)*cg3d_r(I,J,K,bi,bj) |
& +cg3d_r(I,J,K,bi,bj)*cg3d_r(I,J,K,bi,bj) |
168 |
exchWidthY = 1 |
exchWidthY = 1 |
169 |
myNz = Nr |
myNz = Nr |
170 |
CALL EXCH_RL( cg3d_r, |
CALL EXCH_RL( cg3d_r, |
171 |
I OLw, OLe, OLs, OLn, myNz, |
I OLw, OLe, OLs, OLn, sNx, sNy, myNz, |
172 |
I exchWidthX, exchWidthY, |
I exchWidthX, exchWidthY, |
173 |
I FORWARD_SIMULATION, EXCH_IGNORE_CORNERS, myThid ) |
I FORWARD_SIMULATION, EXCH_IGNORE_CORNERS, myThid ) |
174 |
C _EXCH_XYZ_R8( cg3d_s, myThid ) |
C _EXCH_XYZ_R8( cg3d_s, myThid ) |
180 |
exchWidthY = 1 |
exchWidthY = 1 |
181 |
myNz = Nr |
myNz = Nr |
182 |
CALL EXCH_RL( cg3d_s, |
CALL EXCH_RL( cg3d_s, |
183 |
I OLw, OLe, OLs, OLn, myNz, |
I OLw, OLe, OLs, OLn, sNx, sNy, myNz, |
184 |
I exchWidthX, exchWidthY, |
I exchWidthX, exchWidthY, |
185 |
I FORWARD_SIMULATION, EXCH_IGNORE_CORNERS, myThid ) |
I FORWARD_SIMULATION, EXCH_IGNORE_CORNERS, myThid ) |
186 |
_GLOBAL_SUM_R8( sumRHS, myThid ) |
_GLOBAL_SUM_R8( sumRHS, myThid ) |
187 |
_GLOBAL_SUM_R8( err , myThid ) |
_GLOBAL_SUM_R8( err , myThid ) |
188 |
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189 |
_BEGIN_MASTER( myThid ) |
_BEGIN_MASTER( myThid ) |
190 |
write(0,'(A,1PE30.14)') ' cg3d: Sum(rhs) = ',sumRHS |
write(*,'(A,1PE30.14)') ' cg3d: Sum(rhs) = ',sumRHS |
191 |
_END_MASTER( ) |
_END_MASTER( ) |
192 |
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193 |
actualIts = 0 |
actualIts = 0 |
194 |
actualResidual = SQRT(err) |
actualResidual = SQRT(err) |
195 |
C _BARRIER |
C _BARRIER |
196 |
_BEGIN_MASTER( myThid ) |
_BEGIN_MASTER( myThid ) |
197 |
WRITE(0,'(A,I6,1PE30.14)') ' CG3D iters, err = ', |
WRITE(*,'(A,I6,1PE30.14)') ' CG3D iters, err = ', |
198 |
& actualIts, actualResidual |
& actualIts, actualResidual |
199 |
_END_MASTER( ) |
_END_MASTER( ) |
200 |
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204 |
CcnhDebugStarts |
CcnhDebugStarts |
205 |
#ifdef VERBOSE |
#ifdef VERBOSE |
206 |
IF ( mod(it3d-1,10).EQ.0) |
IF ( mod(it3d-1,10).EQ.0) |
207 |
& WRITE(0,*) ' CG3D: Iteration ',it3d-1, |
& WRITE(*,*) ' CG3D: Iteration ',it3d-1, |
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& ' residual = ',actualResidual |
& ' residual = ',actualResidual |
209 |
#endif |
#endif |
210 |
CcnhDebugEnds |
CcnhDebugEnds |
214 |
C Note. On the next to loops over all tiles the inner loop ranges |
C Note. On the next to loops over all tiles the inner loop ranges |
215 |
C in sNx and sNy are expanded by 1 to avoid a communication |
C in sNx and sNy are expanded by 1 to avoid a communication |
216 |
C step. However this entails a bit of gynamastics because we only |
C step. However this entails a bit of gynamastics because we only |
217 |
C want etaN for the interior points. |
C want eta_qrN for the interior points. |
218 |
etaN = 0. _d 0 |
eta_qrN = 0. _d 0 |
219 |
DO bj=myByLo(myThid),myByHi(myThid) |
DO bj=myByLo(myThid),myByHi(myThid) |
220 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
DO bi=myBxLo(myThid),myBxHi(myThid) |
221 |
DO K=1,1 |
DO K=1,1 |
247 |
caja ENDIF |
caja ENDIF |
248 |
DO J=1,sNy |
DO J=1,sNy |
249 |
DO I=1,sNx |
DO I=1,sNx |
250 |
etaN = etaN |
eta_qrN = eta_qrN |
251 |
& +cg3d_q(I,J,K,bi,bj)*cg3d_r(I,J,K,bi,bj) |
& +cg3d_q(I,J,K,bi,bj)*cg3d_r(I,J,K,bi,bj) |
252 |
ENDDO |
ENDDO |
253 |
ENDDO |
ENDDO |
262 |
ENDDO |
ENDDO |
263 |
DO J=1,sNy |
DO J=1,sNy |
264 |
DO I=1,sNx |
DO I=1,sNx |
265 |
etaN = etaN |
eta_qrN = eta_qrN |
266 |
& +cg3d_q(I,J,K,bi,bj)*cg3d_r(I,J,K,bi,bj) |
& +cg3d_q(I,J,K,bi,bj)*cg3d_r(I,J,K,bi,bj) |
267 |
ENDDO |
ENDDO |
268 |
ENDDO |
ENDDO |
270 |
ENDDO |
ENDDO |
271 |
ENDDO |
ENDDO |
272 |
caja |
caja |
273 |
caja etaN=0. |
caja eta_qrN=0. |
274 |
caja DO bj=myByLo(myThid),myByHi(myThid) |
caja DO bj=myByLo(myThid),myByHi(myThid) |
275 |
caja DO bi=myBxLo(myThid),myBxHi(myThid) |
caja DO bi=myBxLo(myThid),myBxHi(myThid) |
276 |
caja DO K=1,Nr |
caja DO K=1,Nr |
277 |
caja DO J=1,sNy |
caja DO J=1,sNy |
278 |
caja DO I=1,sNx |
caja DO I=1,sNx |
279 |
caja etaN = etaN |
caja eta_qrN = eta_qrN |
280 |
caja & +cg3d_q(I,J,K,bi,bj)*cg3d_r(I,J,K,bi,bj) |
caja & +cg3d_q(I,J,K,bi,bj)*cg3d_r(I,J,K,bi,bj) |
281 |
caja ENDDO |
caja ENDDO |
282 |
caja ENDDO |
caja ENDDO |
285 |
caja ENDDO |
caja ENDDO |
286 |
caja |
caja |
287 |
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288 |
_GLOBAL_SUM_R8(etaN, myThid) |
_GLOBAL_SUM_R8(eta_qrN, myThid) |
289 |
CcnhDebugStarts |
CcnhDebugStarts |
290 |
C WRITE(0,*) ' CG3D: Iteration ',it3d-1,' etaN = ',etaN |
C WRITE(*,*) ' CG3D: Iteration ',it3d-1,' eta_qrN = ',eta_qrN |
291 |
CcnhDebugEnds |
CcnhDebugEnds |
292 |
cgBeta = etaN/etaNM1 |
cgBeta = eta_qrN/eta_qrNM1 |
293 |
CcnhDebugStarts |
CcnhDebugStarts |
294 |
C WRITE(0,*) ' CG3D: Iteration ',it3d-1,' beta = ',cgBeta |
C WRITE(*,*) ' CG3D: Iteration ',it3d-1,' beta = ',cgBeta |
295 |
CcnhDebugEnds |
CcnhDebugEnds |
296 |
etaNM1 = etaN |
eta_qrNM1 = eta_qrN |
297 |
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298 |
DO bj=myByLo(myThid),myByHi(myThid) |
DO bj=myByLo(myThid),myByHi(myThid) |
299 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
DO bi=myBxLo(myThid),myBxHi(myThid) |
311 |
C== Evaluate laplace operator on conjugate gradient vector |
C== Evaluate laplace operator on conjugate gradient vector |
312 |
C== q = A.s |
C== q = A.s |
313 |
alpha = 0. _d 0 |
alpha = 0. _d 0 |
314 |
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topLevTerm = freeSurfFac*cg3dNorm* |
315 |
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& (horiVertRatio/gravity)/deltaTMom/deltaTMom |
316 |
DO bj=myByLo(myThid),myByHi(myThid) |
DO bj=myByLo(myThid),myByHi(myThid) |
317 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
DO bi=myBxLo(myThid),myBxHi(myThid) |
318 |
IF ( Nr .GT. 1 ) THEN |
IF ( Nr .GT. 1 ) THEN |
330 |
& -aS3d(I ,J ,K ,bi,bj)*cg3d_s(I ,J ,K ,bi,bj) |
& -aS3d(I ,J ,K ,bi,bj)*cg3d_s(I ,J ,K ,bi,bj) |
331 |
& -aS3d(I ,J+1,K ,bi,bj)*cg3d_s(I ,J ,K ,bi,bj) |
& -aS3d(I ,J+1,K ,bi,bj)*cg3d_s(I ,J ,K ,bi,bj) |
332 |
& -aV3d(I ,J ,K+1,bi,bj)*cg3d_s(I ,J ,K ,bi,bj) |
& -aV3d(I ,J ,K+1,bi,bj)*cg3d_s(I ,J ,K ,bi,bj) |
333 |
& -freeSurfFac*_rA(i,j,bi,bj)* horiVertRatio* |
& -topLevTerm*_rA(I,J,bi,bj)*cg3d_s(I,J,K,bi,bj) |
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& cg3d_s(I ,J ,K,bi,bj)/deltaTMom/deltaTMom*cg3dNorm |
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334 |
alpha = alpha+cg3d_s(I,J,K,bi,bj)*cg3d_q(I,J,K,bi,bj) |
alpha = alpha+cg3d_s(I,J,K,bi,bj)*cg3d_q(I,J,K,bi,bj) |
335 |
ENDDO |
ENDDO |
336 |
ENDDO |
ENDDO |
348 |
& -aW3d(I+1,J ,K ,bi,bj)*cg3d_s(I ,J ,K ,bi,bj) |
& -aW3d(I+1,J ,K ,bi,bj)*cg3d_s(I ,J ,K ,bi,bj) |
349 |
& -aS3d(I ,J ,K ,bi,bj)*cg3d_s(I ,J ,K ,bi,bj) |
& -aS3d(I ,J ,K ,bi,bj)*cg3d_s(I ,J ,K ,bi,bj) |
350 |
& -aS3d(I ,J+1,K ,bi,bj)*cg3d_s(I ,J ,K ,bi,bj) |
& -aS3d(I ,J+1,K ,bi,bj)*cg3d_s(I ,J ,K ,bi,bj) |
351 |
& -freeSurfFac*_rA(i,j,bi,bj)* horiVertRatio* |
& -topLevTerm*_rA(I,J,bi,bj)*cg3d_s(I,J,K,bi,bj) |
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& cg3d_s(I ,J ,K,bi,bj)/deltaTMom/deltaTMom*cg3dNorm |
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352 |
alpha = alpha+cg3d_s(I,J,K,bi,bj)*cg3d_q(I,J,K,bi,bj) |
alpha = alpha+cg3d_s(I,J,K,bi,bj)*cg3d_q(I,J,K,bi,bj) |
353 |
ENDDO |
ENDDO |
354 |
ENDDO |
ENDDO |
398 |
ENDDO |
ENDDO |
399 |
_GLOBAL_SUM_R8(alpha,myThid) |
_GLOBAL_SUM_R8(alpha,myThid) |
400 |
CcnhDebugStarts |
CcnhDebugStarts |
401 |
C WRITE(0,*) ' CG3D: Iteration ',it3d-1,' SUM(s*q)= ',alpha |
C WRITE(*,*) ' CG3D: Iteration ',it3d-1,' SUM(s*q)= ',alpha |
402 |
CcnhDebugEnds |
CcnhDebugEnds |
403 |
alpha = etaN/alpha |
alpha = eta_qrN/alpha |
404 |
CcnhDebugStarts |
CcnhDebugStarts |
405 |
C WRITE(0,*) ' CG3D: Iteration ',it3d-1,' alpha= ',alpha |
C WRITE(*,*) ' CG3D: Iteration ',it3d-1,' alpha= ',alpha |
406 |
CcnhDebugEnds |
CcnhDebugEnds |
407 |
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408 |
C== Update solution and residual vectors |
C== Update solution and residual vectors |
438 |
exchWidthY = 1 |
exchWidthY = 1 |
439 |
myNz = Nr |
myNz = Nr |
440 |
CALL EXCH_RL( cg3d_r, |
CALL EXCH_RL( cg3d_r, |
441 |
I OLw, OLe, OLs, OLn, myNz, |
I OLw, OLe, OLs, OLn, sNx, sNy, myNz, |
442 |
I exchWidthX, exchWidthY, |
I exchWidthX, exchWidthY, |
443 |
I FORWARD_SIMULATION, EXCH_IGNORE_CORNERS, myThid ) |
I FORWARD_SIMULATION, EXCH_IGNORE_CORNERS, myThid ) |
444 |
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460 |
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461 |
Cadj _EXCH_XYZ_R8(cg3d_x, myThid ) |
Cadj _EXCH_XYZ_R8(cg3d_x, myThid ) |
462 |
_BEGIN_MASTER( myThid ) |
_BEGIN_MASTER( myThid ) |
463 |
WRITE(0,'(A,I6,1PE30.14)') ' CG3D iters, err = ', |
WRITE(*,'(A,I6,1PE30.14)') ' CG3D iters, err = ', |
464 |
& actualIts, actualResidual |
& actualIts, actualResidual |
465 |
_END_MASTER( ) |
_END_MASTER( ) |
466 |
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CcnhDebugStarts |
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C CALL PLOT_FIELD_XYRL( cg2d_x, 'CALC_MOM_RHS CG2D_X' , 1, myThid ) |
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C err = 0. _d 0 |
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C DO bj=myByLo(myThid),myByHi(myThid) |
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C DO bi=myBxLo(myThid),myBxHi(myThid) |
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C DO J=1,sNy |
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C DO I=1,sNx |
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C cg2d_r(I,J,bi,bj) = cg2d_b(I,J,bi,bj) - |
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C & (aW2d(I ,J ,bi,bj)*cg2d_x(I-1,J ,bi,bj) |
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C & +aW2d(I+1,J ,bi,bj)*cg2d_x(I+1,J ,bi,bj) |
|
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C & +aS2d(I ,J ,bi,bj)*cg2d_x(I ,J-1,bi,bj) |
|
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C & +aS2d(I ,J+1,bi,bj)*cg2d_x(I ,J+1,bi,bj) |
|
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C & -aW2d(I ,J ,bi,bj)*cg2d_x(I ,J ,bi,bj) |
|
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C & -aW2d(I+1,J ,bi,bj)*cg2d_x(I ,J ,bi,bj) |
|
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C & -aS2d(I ,J ,bi,bj)*cg2d_x(I ,J ,bi,bj) |
|
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C & -aS2d(I ,J+1,bi,bj)*cg2d_x(I ,J ,bi,bj)) |
|
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C err = err + |
|
|
C & cg2d_r(I,J,bi,bj)*cg2d_r(I,J,bi,bj) |
|
|
C ENDDO |
|
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C ENDDO |
|
|
C ENDDO |
|
|
C ENDDO |
|
|
C _GLOBAL_SUM_R8( err , myThid ) |
|
|
C write(0,*) 'cg2d: Ax - b = ',SQRT(err) |
|
|
CcnhDebugEnds |
|
|
|
|
467 |
#endif /* ALLOW_NONHYDROSTATIC */ |
#endif /* ALLOW_NONHYDROSTATIC */ |
468 |
|
|
469 |
RETURN |
RETURN |