60 |
C ab15, ab05 - weights for implicit timestepping |
C ab15, ab05 - weights for implicit timestepping |
61 |
C uStarSquare - square of friction velocity |
C uStarSquare - square of friction velocity |
62 |
C verticalShear - (squared) vertical shear of horizontal velocity |
C verticalShear - (squared) vertical shear of horizontal velocity |
63 |
C Nsquare - squared buoyancy freqency |
C Nsquare - squared buoyancy freqency |
64 |
C RiNumber - local Richardson number |
C RiNumber - local Richardson number |
65 |
C KappaM - (local) viscosity parameter (eq.10) |
C KappaM - (local) viscosity parameter (eq.10) |
66 |
C KappaH - (local) diffusivity parameter for temperature (eq.11) |
C KappaH - (local) diffusivity parameter for temperature (eq.11) |
113 |
|
|
114 |
C set separate time step (should be deltaTtracer) |
C set separate time step (should be deltaTtracer) |
115 |
deltaTggl90 = dTtracerLev(1) |
deltaTggl90 = dTtracerLev(1) |
116 |
C |
C |
117 |
kSurf = 1 |
kSurf = 1 |
118 |
C implicit timestepping weights for dissipation |
C implicit timestepping weights for dissipation |
119 |
ab15 = 1.5 _d 0 |
ab15 = 1.5 _d 0 |
131 |
GGL90mixingLength(I,J,K) = GGL90mixingLengthMin |
GGL90mixingLength(I,J,K) = GGL90mixingLengthMin |
132 |
rMixingLength(I,J,K) = 0. _d 0 |
rMixingLength(I,J,K) = 0. _d 0 |
133 |
ENDDO |
ENDDO |
134 |
ENDDO |
ENDDO |
135 |
ENDDO |
ENDDO |
136 |
DO J=1-Oly,sNy+Oly |
DO J=1-Oly,sNy+Oly |
137 |
DO I=1-Olx,sNx+Olx |
DO I=1-Olx,sNx+Olx |
138 |
rhoK (I,J) = 0. _d 0 |
rhoK (I,J) = 0. _d 0 |
139 |
rhoKm1 (I,J) = 0. _d 0 |
rhoKm1 (I,J) = 0. _d 0 |
140 |
totalDepth(I,J) = 0. _d 0 |
totalDepth(I,J) = 0. _d 0 |
141 |
IF ( recip_Rcol(I,J,bi,bj) .NE. 0. ) |
IF ( recip_Rcol(I,J,bi,bj) .NE. 0. ) |
142 |
& totalDepth(I,J) = 1./recip_Rcol(I,J,bi,bj) |
& totalDepth(I,J) = 1./recip_Rcol(I,J,bi,bj) |
143 |
ENDDO |
ENDDO |
144 |
ENDDO |
ENDDO |
147 |
DO K = 2, Nr |
DO K = 2, Nr |
148 |
Km1 = K-1 |
Km1 = K-1 |
149 |
Kp1 = MIN(Nr,K+1) |
Kp1 = MIN(Nr,K+1) |
150 |
CALL FIND_RHO( |
CALL FIND_RHO_2D( |
151 |
I bi, bj, iMin, iMax, jMin, jMax, Km1, K, |
I iMin, iMax, jMin, jMax, K, |
152 |
I theta, salt, |
I theta(1-OLx,1-OLy,Km1,bi,bj), salt(1-OLx,1-OLy,Km1,bi,bj), |
153 |
O rhoKm1, |
O rhoKm1, |
154 |
I myThid ) |
I Km1, bi, bj, myThid ) |
155 |
CALL FIND_RHO( |
|
156 |
I bi, bj, iMin, iMax, jMin, jMax, K, K, |
CALL FIND_RHO_2D( |
157 |
I theta, salt, |
I iMin, iMax, jMin, jMax, K, |
158 |
|
I theta(1-OLx,1-OLy,K,bi,bj), salt(1-OLx,1-OLy,K,bi,bj), |
159 |
O rhoK, |
O rhoK, |
160 |
I myThid ) |
I K, bi, bj, myThid ) |
161 |
DO J=jMin,jMax |
DO J=jMin,jMax |
162 |
DO I=iMin,iMax |
DO I=iMin,iMax |
163 |
SQRTTKE=SQRT( GGL90TKE(I,J,K,bi,bj) ) |
SQRTTKE=SQRT( GGL90TKE(I,J,K,bi,bj) ) |
180 |
IF ( RiNumber .GE. 0.2 ) prTemp = 5.0 * RiNumber |
IF ( RiNumber .GE. 0.2 ) prTemp = 5.0 * RiNumber |
181 |
TKEPrandtlNumber(I,J,K) = MIN(10.0 _d 0,prTemp) |
TKEPrandtlNumber(I,J,K) = MIN(10.0 _d 0,prTemp) |
182 |
C mixing length |
C mixing length |
183 |
GGL90mixingLength(I,J,K) = |
GGL90mixingLength(I,J,K) = |
184 |
& SQRTTKE/SQRT( MAX(Nsquare,GGL90eps) ) |
& SQRTTKE/SQRT( MAX(Nsquare,GGL90eps) ) |
185 |
C impose upper bound for mixing length (total depth) |
C impose upper bound for mixing length (total depth) |
186 |
GGL90mixingLength(I,J,K) = MIN(GGL90mixingLength(I,J,K), |
GGL90mixingLength(I,J,K) = MIN(GGL90mixingLength(I,J,K), |
187 |
& totalDepth(I,J)) |
& totalDepth(I,J)) |
188 |
C impose minimum mixing length (to avoid division by zero) |
C impose minimum mixing length (to avoid division by zero) |
189 |
GGL90mixingLength(I,J,K) = MAX(GGL90mixingLength(I,J,K), |
GGL90mixingLength(I,J,K) = MAX(GGL90mixingLength(I,J,K), |
190 |
& GGL90mixingLengthMin) |
& GGL90mixingLengthMin) |
191 |
rMixingLength(I,J,K) = 1. _d 0 /GGL90mixingLength(I,J,K) |
rMixingLength(I,J,K) = 1. _d 0 /GGL90mixingLength(I,J,K) |
192 |
C viscosity of last timestep |
C viscosity of last timestep |
195 |
C dissipation term |
C dissipation term |
196 |
TKEdissipation = ab05*GGL90ceps |
TKEdissipation = ab05*GGL90ceps |
197 |
& *SQRTTKE*rMixingLength(I,J,K) |
& *SQRTTKE*rMixingLength(I,J,K) |
198 |
& *GGL90TKE(I,J,K,bi,bj) |
& *GGL90TKE(I,J,K,bi,bj) |
199 |
C sum up contributions to form the right hand side |
C sum up contributions to form the right hand side |
200 |
gTKE(I,J,K) = GGL90TKE(I,J,K,bi,bj) |
gTKE(I,J,K) = GGL90TKE(I,J,K,bi,bj) |
201 |
& + deltaTggl90*( |
& + deltaTggl90*( |
202 |
& + KappaM*verticalShear |
& + KappaM*verticalShear |
203 |
& - KappaM*Nsquare/TKEPrandtlNumber(I,J,K) |
& - KappaM*Nsquare/TKEPrandtlNumber(I,J,K) |
204 |
& - TKEdissipation |
& - TKEdissipation |
205 |
& ) |
& ) |
206 |
ENDDO |
ENDDO |
207 |
ENDDO |
ENDDO |
208 |
ENDDO |
ENDDO |
209 |
C horizontal diffusion of TKE (requires an exchange in |
C horizontal diffusion of TKE (requires an exchange in |
210 |
C do_fields_blocking_exchanges) |
C do_fields_blocking_exchanges) |
211 |
#ifdef ALLOW_GGL90_HORIZDIFF |
#ifdef ALLOW_GGL90_HORIZDIFF |
212 |
IF ( GGL90diffTKEh .GT. 0. _d 0 ) THEN |
IF ( GGL90diffTKEh .GT. 0. _d 0 ) THEN |
213 |
DO K=2,Nr |
DO K=2,Nr |
219 |
yA(i,j) = _dxG(i,j,bi,bj) |
yA(i,j) = _dxG(i,j,bi,bj) |
220 |
& *drF(k)*_hFacS(i,j,k,bi,bj) |
& *drF(k)*_hFacS(i,j,k,bi,bj) |
221 |
ENDDO |
ENDDO |
222 |
ENDDO |
ENDDO |
223 |
C Compute diffusive fluxes |
C Compute diffusive fluxes |
224 |
C ... across x-faces |
C ... across x-faces |
225 |
DO j=1-Oly,sNy+Oly |
DO j=1-Oly,sNy+Oly |
244 |
& *CosFacV(j,bi,bj) |
& *CosFacV(j,bi,bj) |
245 |
#endif /* ISOTROPIC_COS_SCALING */ |
#endif /* ISOTROPIC_COS_SCALING */ |
246 |
ENDDO |
ENDDO |
247 |
ENDDO |
ENDDO |
248 |
C Compute divergence of fluxes |
C Compute divergence of fluxes |
249 |
DO j=1-Oly,sNy+Oly-1 |
DO j=1-Oly,sNy+Oly-1 |
250 |
DO i=1-Olx,sNx+Olx-1 |
DO i=1-Olx,sNx+Olx-1 |
251 |
gTKE(i,j,k)=gTKE(i,j,k) |
gTKE(i,j,k)=gTKE(i,j,k) |
252 |
& -_recip_hFacC(i,j,k,bi,bj)*recip_drF(k)*recip_rA(i,j,bi,bj) |
& -_recip_hFacC(i,j,k,bi,bj)*recip_drF(k)*recip_rA(i,j,bi,bj) |
253 |
& *( (dfx(i+1,j)-dfx(i,j)) |
& *( (dfx(i+1,j)-dfx(i,j)) |
254 |
& +(dfy(i,j+1)-dfy(i,j)) |
& +(dfy(i,j+1)-dfy(i,j)) |
255 |
& ) |
& ) |
256 |
ENDDO |
ENDDO |
257 |
ENDDO |
ENDDO |
258 |
C end of k-loop |
C end of k-loop |
259 |
ENDDO |
ENDDO |
260 |
C end if GGL90diffTKEh .eq. 0. |
C end if GGL90diffTKEh .eq. 0. |
261 |
ENDIF |
ENDIF |
269 |
C-- Lower diagonal |
C-- Lower diagonal |
270 |
DO j=jMin,jMax |
DO j=jMin,jMax |
271 |
DO i=iMin,iMax |
DO i=iMin,iMax |
272 |
a(i,j,1) = 0. _d 0 |
a(i,j,1) = 0. _d 0 |
273 |
ENDDO |
ENDDO |
274 |
ENDDO |
ENDDO |
275 |
DO k=2,Nr |
DO k=2,Nr |
318 |
|
|
319 |
C |
C |
320 |
C Apply boundary condition |
C Apply boundary condition |
321 |
C |
C |
322 |
DO J=jMin,jMax |
DO J=jMin,jMax |
323 |
DO I=iMin,iMax |
DO I=iMin,iMax |
324 |
C estimate friction velocity uStar from surface forcing |
C estimate friction velocity uStar from surface forcing |
325 |
uStarSquare = SQRT( |
uStarSquare = SQRT( |
326 |
& ( .5*( surfaceForcingU(I, J, bi,bj) |
& ( .5*( surfaceForcingU(I, J, bi,bj) |
327 |
& + surfaceForcingU(I+1,J, bi,bj) ) )**2 |
& + surfaceForcingU(I+1,J, bi,bj) ) )**2 |
328 |
& + ( .5*( surfaceForcingV(I, J, bi,bj) |
& + ( .5*( surfaceForcingV(I, J, bi,bj) |
329 |
& + surfaceForcingV(I, J+1,bi,bj) ) )**2 |
& + surfaceForcingV(I, J+1,bi,bj) ) )**2 |
330 |
& ) |
& ) |
331 |
C Dirichlet surface boundary condition for TKE |
C Dirichlet surface boundary condition for TKE |
333 |
& *maskC(I,J,kSurf,bi,bj) |
& *maskC(I,J,kSurf,bi,bj) |
334 |
C Dirichlet bottom boundary condition for TKE = GGL90TKEbottom |
C Dirichlet bottom boundary condition for TKE = GGL90TKEbottom |
335 |
kBottom = MIN(MAX(kLowC(I,J,bi,bj),1),Nr) |
kBottom = MIN(MAX(kLowC(I,J,bi,bj),1),Nr) |
336 |
gTKE(I,J,kBottom) = gTKE(I,J,kBottom) |
gTKE(I,J,kBottom) = gTKE(I,J,kBottom) |
337 |
& - GGL90TKEbottom*c(I,J,kBottom) |
& - GGL90TKEbottom*c(I,J,kBottom) |
338 |
ENDDO |
ENDDO |
339 |
ENDDO |
ENDDO |
340 |
C |
C |
341 |
C solve tri-diagonal system, and store solution on gTKE (previously rhs) |
C solve tri-diagonal system, and store solution on gTKE (previously rhs) |
342 |
C |
C |
346 |
I myThid ) |
I myThid ) |
347 |
C |
C |
348 |
C now update TKE |
C now update TKE |
349 |
C |
C |
350 |
DO K=1,Nr |
DO K=1,Nr |
351 |
DO J=jMin,jMax |
DO J=jMin,jMax |
352 |
DO I=iMin,iMax |
DO I=iMin,iMax |
353 |
C impose minimum TKE to avoid numerical undershoots below zero |
C impose minimum TKE to avoid numerical undershoots below zero |
354 |
GGL90TKE(I,J,K,bi,bj) = MAX( gTKE(I,J,K), GGL90TKEmin ) |
GGL90TKE(I,J,K,bi,bj) = MAX( gTKE(I,J,K), GGL90TKEmin ) |
355 |
& * maskC(I,J,K,bi,bj) |
& * maskC(I,J,K,bi,bj) |
356 |
ENDDO |
ENDDO |
357 |
ENDDO |
ENDDO |
358 |
ENDDO |
ENDDO |
359 |
C |
C |
360 |
C end of time step |
C end of time step |
361 |
C =============================== |
C =============================== |
362 |
C compute viscosity coefficients |
C compute viscosity coefficients |
363 |
C |
C |
364 |
DO K=2,Nr |
DO K=2,Nr |
365 |
DO J=jMin,jMax |
DO J=jMin,jMax |
366 |
DO I=iMin,iMax |
DO I=iMin,iMax |
377 |
GGL90diffKr(I,J,K,bi,bj) = MIN(KappaH,GGL90diffMax) |
GGL90diffKr(I,J,K,bi,bj) = MIN(KappaH,GGL90diffMax) |
378 |
& * maskC(I,J,K,bi,bj) |
& * maskC(I,J,K,bi,bj) |
379 |
ENDDO |
ENDDO |
380 |
ENDDO |
ENDDO |
381 |
C end third k-loop |
C end third k-loop |
382 |
ENDDO |
ENDDO |
383 |
|
|
384 |
#endif /* ALLOW_GGL90 */ |
#endif /* ALLOW_GGL90 */ |
385 |
|
|