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cnh |
1.2 |
C $Id: update_t.F,v 1.1 1998/05/25 20:21:06 cnh Exp $ |
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cnh |
1.1 |
#include "CPP_OPTIONS.h" |
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#include "CPP_MACROS.h" |
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#define _DB0 0. |
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C=================================================================== |
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C Procedure name: UPDATE_T | |
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C Function: Step forward the temperature field. | |
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C Comments: | |
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C=================================================================== |
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CStartofinterface |
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SUBROUTINE UPDATE_T( |
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& U, V, W, K, T, GT ) |
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IMPLICIT NONE |
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C============== Global data ========================================== |
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#include "SIZE.h" |
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#include "AJAINF.h" |
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#include "GRID.h" |
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#include "PARAMS.h" |
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#include "OPERATORS.h" |
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#include "OLDG.h" |
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#include "MASKS.h" |
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#include "FORCING.h" |
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C============= Routine arguments ===================================== |
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C /--------------------------------------------------------------\ |
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C | U, V, W - X,Y,Z Velocity ( m/s, m/s, Pa/s ). | |
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C | K - Working level. | |
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C | T - Potential temperature (oC). | |
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C \--------------------------------------------------------------/ |
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REAL U (Nx,Ny,Nz) |
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REAL V (Nx,Ny,Nz) |
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REAL W (Nx,Ny,Nz) |
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INTEGER K |
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REAL T (Nx,Ny,Nz) |
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REAL gt (Nx,Ny,Nz) |
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CEndofinterface |
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C============= Local variables ====================================== |
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C /--------------------------------------------------------------\ |
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C |Slice Notation | |
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C |phiK - XY slice of variable "phi" at level K. | |
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C |phiKP1 - XY slice of variable "phi" at level K+1. | |
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C |phiKM1 - XY slice of variable "phi" at level K-1. | |
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C |phiNM1 - Variable "phi" at time level N-1. | |
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C |phiU - Varaible "phi" interpolated to U grid. | |
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C |phiV - Varaible "phi" interpolated to V grid. | |
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C \--------------------------------------------------------------/ |
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C /--------------------------------------------------------------\ |
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C |Geometry terms | |
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C | o xa,ya,za - X, Y, Z face areas ( m.Pa, m.Pa, m**2 ). | |
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C | o rV - 1/Volume ( m**2.Pa ) | |
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C | o ?Grad?Op - Generic gradient operator A[XYZ][t].d/d[xyz] | |
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C | tGradxOp: AXt/DXt, tGradyOp: AYt/DYt etc... | |
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C \--------------------------------------------------------------/ |
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REAL xaK (Nx+1,0:Ny) |
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REAL yaK (0:Nx,Ny+1) |
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REAL tGradxOp (Nx ,Ny ) |
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REAL tGradyOp (Nx ,Ny ) |
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REAL tGradzOpK (Nx ,Ny ) |
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REAL tGradzOpKP1(Nx ,Ny ) |
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REAL zaK (0:Nx,0:Ny) |
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REAL zaKP1 (Nx,Ny) |
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REAL rVk (Nx ,Ny ) |
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C /--------------------------------------------------------------\ |
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C |State variables | |
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C | o u, v, w - X,Y,Z velocity slices. | |
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C | o t - Potential temperature. | |
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C | o ph - Hydrostatic pressure. | |
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C \--------------------------------------------------------------/ |
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REAL uK (Nx+1,0:Ny) |
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REAL wK (0:Nx,0:Ny) |
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REAL wkP1 (0:Nx,0:Ny) |
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REAL vK (0:Nx,Ny+1) |
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REAL tK (0:Nx+1,0:Ny+1) |
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REAL phK (60) |
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C /--------------------------------------------------------------\ |
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C |Work space arrays | |
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C \--------------------------------------------------------------/ |
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REAL tmp (0:Nx+1,0:Ny+1) |
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REAL tmp2 (0:Nx+1,0:Ny+1) |
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C /--------------------------------------------------------------\ |
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C |Arrays for accumulating fluxes | |
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C | o fX, fY, fZ - Flux in X, Y and Z. | |
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C \--------------------------------------------------------------/ |
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REAL fX (0:Nx+1,Ny) |
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REAL fY (Nx,0:Ny+1) |
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REAL fZK (Nx,Ny) |
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REAL fZKP1 (Nx,Ny) |
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C Loop counters: |
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INTEGER I, J |
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C Flags: |
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LOGICAL TOP_LAYER |
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LOGICAL BOTTOM_LAYER |
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C === Set up controlling flags ======================================== |
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TOP_LAYER = K .EQ. 1 |
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BOTTOM_LAYER = K .EQ. Nz |
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C _D(( ' K, Nz ', K, Nz )) |
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C _D(( ' BOTTOM_LAYER ', BOTTOM_LAYER )) |
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C === Set up the slices =============================================== |
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C /---------------------------------------------------------------\ |
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C | xaK <- xa(K) | |
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C | yaK <- ya(K) | |
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C | za[K,KP1] <- za[(K),(K+1)] | |
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C \---------------------------------------------------------------/ |
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DO J=1,Ny |
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DO I=1,Nx |
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xaK (I,J) = xa (_I3(K,I,J)) |
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yaK (I,J) = ya (_I3(K,I,J)) |
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zaK (I,J) = za (_I3(K,I,J)) |
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ENDDO |
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ENDDO |
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IF ( .NOT. BOTTOM_LAYER ) THEN |
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DO J=1,Ny |
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DO I=1,Nx |
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zaKP1(I,J) = za(_I3(K+1,I,J)) |
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ENDDO |
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ENDDO |
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ENDIF |
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fZK = 0. |
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fZKP1 = 0. |
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C /---------------------------------------------------------------\ |
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C | tGradXOp <- 1/DX*xa | |
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C | tGradYOp <- 1/DY*ya | |
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C | tGradZOp[K,KP1] <- 1/DZ*ZA[K,K+1] | |
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C \---------------------------------------------------------------/ |
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DO J = 1, Ny |
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DO I = 1, Nx |
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tGradxOp (I,J) = xaK(I,J)*pDdxOp(_I3(K,I,J)) |
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tGradyOp (I,J) = yaK(I,J)*pDdyOp(_I3(K,I,J)) |
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tGradzOpK(I,J) = zaK(I,J)*pDdzOp(_I3(K,I,J)) |
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ENDDO |
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ENDDO |
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IF ( .NOT. BOTTOM_LAYER ) THEN |
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DO J = 1, Ny |
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DO I = 1, Nx |
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tGradzOpKP1(I,J) = zaKP1(I,J)*pDdzOp(I,J,K+1) |
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ENDDO |
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ENDDO |
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ENDIF |
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C /---------------------------------------------------------------\ |
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C | w[K,KP1] <- W[(K),(K+1)] | |
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C \---------------------------------------------------------------/ |
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wKP1 = 0. |
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DO J=1,Ny |
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DO I=1,Nx |
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wK(I,J) = W(_I3(K,I,J)) |
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ENDDO |
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ENDDO |
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IF ( .NOT. BOTTOM_LAYER ) THEN |
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DO J=1,Ny |
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DO I=1,Nx |
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wKP1(I,J) = W(_I3(K+1,I,J)) |
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ENDDO |
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ENDDO |
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ENDIF |
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C /---------------------------------------------------------------\ |
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C | uK <- U(K) | |
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C \---------------------------------------------------------------/ |
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DO J=1,Ny |
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DO I=1,Nx |
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uK(I,J) = U(_I3(K,I,J)) |
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ENDDO |
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ENDDO |
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C /---------------------------------------------------------------\ |
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C | vK <- V(K) | |
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C \---------------------------------------------------------------/ |
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DO J=1,Ny |
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DO I=1,Nx |
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vK(I,J) = V(_I3(K,I,J)) |
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ENDDO |
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ENDDO |
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C /---------------------------------------------------------------\ |
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C | tK <- T(K) | |
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C \---------------------------------------------------------------/ |
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DO J=1,Ny |
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DO I=1,Nx |
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tK(I,J) = T(_I3(K,I,J)) |
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ENDDO |
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ENDDO |
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DO J=1,Ny |
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tK(0,J) = tK(Nx,J) |
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tK(Nx+1,J) = tK(1 ,J) |
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ENDDO |
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DO I=0,Nx+1 |
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tK(I,0) = tK(I , Ny) |
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tK(I,Ny+1) = tK(I , 1) |
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ENDDO |
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C /---------------------------------------------------------------\ |
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C | Gt Section | |
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C |===============================================================| |
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C | In this section Gt = GtDiffusion | |
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C | + GtAdvection | |
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C | + GtForcing | |
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C \---------------------------------------------------------------/ |
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C /---------------------------------------------------------------\ |
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C | Initialise local terms | |
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C | rVk <- 1/V | |
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C \---------------------------------------------------------------/ |
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DO J=1,Ny |
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DO I=1,Nx |
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rVk(I,J) = rPvol(_I3(K,I,J)) |
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ENDDO |
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ENDDO |
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fZK = 0. |
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fZKP1 = 0. |
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C /---------------------------------------------------------------\ |
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C | XY GtDiffusion + XY GtAdvection | |
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C | Note: XY GtDiffusion = Laplacian + Biharmonic | |
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C | o Laplacian ( -a2TempXY.del^2(u) ) | |
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C | o Biharmonic ( +a4TempXY.del^4(u) ) | |
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C \---------------------------------------------------------------/ |
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DO J = 1, Ny |
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DO I = 1, Nx |
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C /-------------------------------------------------------------\ |
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C | fX <- 1/DX*XA*Ddx{T} | |
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C | fY <- 1/DY*YA*Ddy{T} | |
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C \-------------------------------------------------------------/ |
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fX(I,J) = tGradxOp(I,J)*(tK(I,J)-tK(I-1,J)) |
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fY(I,J) = tGradyOp(I,J)*(tK(I,J)-tK(I,J-1)) |
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ENDDO |
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ENDDO |
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DO J=1,Ny |
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fX(Nx+1,J) = fX(1 ,J) |
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ENDDO |
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DO I=1,Nx |
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fY(I,Ny+1) = fY(I, 1) |
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ENDDO |
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DO J=1,Ny |
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DO I=1,Nx |
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C /-------------------------------------------------------------\ |
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C | tmp <- 1/V*(Dx{fX}+Dy{fY}) | |
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C \-------------------------------------------------------------/ |
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tmp(I,J)= rVk(I,J)*fX(I+1,J)-rVk(I,J)*fX(I,J) |
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& +rVk(I,J)*fY(I,J+1)-rVk(I,J)*fY(I,J) |
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ENDDO |
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ENDDO |
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tmp(0,1:Ny) = tmp(Nx,1:Ny) |
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tmp(1:Nx,0) = tmp(1:Nx,Ny) |
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DO J = 1,Ny |
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DO I = 1,Nx |
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C /-------------------------------------------------------------\ |
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C | fX <- -k2*fX + ( Laplacian,<Line 1> ) | |
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C | k4/DX*XA*Ddx{tmp} + ( Biharmonic,<Line 2> ) | |
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C | XA*UBx{T} ( Advection,<Line 3> ) | |
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C \-------------------------------------------------------------/ |
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fX(I,J) = 0. |
| 247 |
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_LPT(& -a2TempXY*fX(I,J) ) |
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_BHT(& +a4TempXY*tGradxOp(I,J)*(tmp(I,J)-tmp(I-1,J)) ) |
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_ADT(& +0.5*uK(I,J)*XAK(I,J)*( tK(I-1,J)+tK(I,J) ) ) |
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C /-------------------------------------------------------------\ |
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C | fY <- -k2*fY + ( Laplacian,<Line 1> ) | |
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C | k4/DY*YA*Ddy{tmp} + ( Biharmonic,<Line 2> ) | |
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C | YA*V*By{T} ( Advection,<Line 3> ) | |
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C \-------------------------------------------------------------/ |
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fY(I,J) = 0. |
| 256 |
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_LPT(& -a2TempXY*fY(I,J) ) |
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_BHT(& +a4TempXY*tGradyOp(I,J)*(tmp(I,J)-tmp(I,J-1)) ) |
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_ADT(& +0.5*vK(I,J)*yaK(I,J)*( tK(I,J-1)+tK(I,J) ) ) |
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ENDDO |
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ENDDO |
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C /---------------------------------------------------------------\ |
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C | Z GtDiffusion + Z GtAdvection | |
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C \---------------------------------------------------------------/ |
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IF ( .NOT. TOP_LAYER ) THEN |
| 265 |
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DO J = 1, Ny |
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DO I = 1, Nx |
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C /------------------------------------------------------------\ |
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C | fZK <- -k2Z/DZ*ZA*Ddz{T} + ( Laplacian,<Line 1> ) | |
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C | ZA*-w*Bz{T} ( Advection,<Line 2> ) | |
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C \------------------------------------------------------------/ |
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fZK(I,J) = 0. |
| 272 |
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_LPT(& -a2TempZ*tGradzOpK(I,J)*(T(_I3(K-1,I,J))-tK(I,J) ) ) |
| 273 |
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_ADT(& +0.5*(tK(I,J)+T(_I3(K-1,I,J)))*( -wK(I,J)*ZAK(I,J) ) ) |
| 274 |
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ENDDO |
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ENDDO |
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ELSE |
| 277 |
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DO J = 1, Ny |
| 278 |
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DO I = 1, Nx |
| 279 |
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C /------------------------------------------------------------\ |
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C | fZK <- ZA*-w*Bz{T} ( Advection,<Line 1> ) | |
| 281 |
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C \------------------------------------------------------------/ |
| 282 |
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fZK(I,J) = 0. |
| 283 |
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_ADT(& +0.5*freeSurfFac*(tK(I,J)+tK(I,J))*(-wK(I,J)*ZAK(I,J) ) ) |
| 284 |
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ENDDO |
| 285 |
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ENDDO |
| 286 |
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ENDIF |
| 287 |
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IF ( .NOT. BOTTOM_LAYER ) THEN |
| 288 |
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DO J = 1, Ny |
| 289 |
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DO I = 1, Nx |
| 290 |
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C /------------------------------------------------------------\ |
| 291 |
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C | fZKP1 <- -k2Z/DZ*ZA*Ddz{T} + ( Laplacian,<Line 1> ) | |
| 292 |
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C | ZA*-w*Bz{T} ( Advection,<Line 2> ) | |
| 293 |
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C \------------------------------------------------------------/ |
| 294 |
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fZKP1(I,J) = 0. |
| 295 |
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_LPT(& -a2TempZ*tGradzOpKP1(I,J)*( tK(I,J)-T(_I3(K+1,I,J)) ) ) |
| 296 |
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_ADT(& +0.5*(tK(I,J)+T(_I3(K+1,I,J)))*(-wKP1(I,J))*zaKP1(I,J) ) |
| 297 |
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ENDDO |
| 298 |
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ENDDO |
| 299 |
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ENDIF |
| 300 |
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C /---------------------------------------------------------------\ |
| 301 |
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C | gT <- GtDiffusion + GtAdvection = -div(fX,fY,fZ) | |
| 302 |
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C \---------------------------------------------------------------/ |
| 303 |
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fX(Nx+1,1:Ny) = fX(1,1:Ny) |
| 304 |
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fY(:,Ny+1) = fY(:,1) |
| 305 |
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DO J = 1, Ny |
| 306 |
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DO I = 1, Nx |
| 307 |
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C /-------------------------------------------------------------\ |
| 308 |
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C | gT <- -1/V*(Ddx{fX}+Ddy{fY}) | |
| 309 |
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C \-------------------------------------------------------------/ |
| 310 |
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gt(_I3(K,I,J))=-fX(I+1,J)*rVk(I,J)+fX(I,J)*rVk(I,J) |
| 311 |
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& -fY(I,J+1)*rVk(I,J)+fY(I,J)*rVk(I,J) |
| 312 |
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ENDDO |
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ENDDO |
| 314 |
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DO J = 1, Ny |
| 315 |
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DO I = 1, Nx |
| 316 |
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C /------------------------------------------------------------\ |
| 317 |
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C | gT <- gT-1/Vu*fZK | |
| 318 |
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C \------------------------------------------------------------/ |
| 319 |
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gt(_I3(K,I,J))=gt(_I3(K,I,J))-fZK(I,J)*rVk(I,J) |
| 320 |
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ENDDO |
| 321 |
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ENDDO |
| 322 |
|
|
IF ( .NOT. BOTTOM_LAYER ) THEN |
| 323 |
|
|
DO J = 1, Ny |
| 324 |
|
|
DO I = 1, Nx |
| 325 |
|
|
C /------------------------------------------------------------\ |
| 326 |
|
|
C | gT <- gT+1/Vu*fZP1 | |
| 327 |
|
|
C \------------------------------------------------------------/ |
| 328 |
|
|
gt(_I3(K,I,J))=gt(_I3(K,I,J))+fZKP1(I,J)*rVk(I,J) |
| 329 |
|
|
ENDDO |
| 330 |
|
|
ENDDO |
| 331 |
|
|
ENDIF |
| 332 |
|
|
C _D(( ' S/R UPDATE_T (GtDiff+GtAdv): MAXVAL(Gt )', MAXVAL(Gt))) |
| 333 |
|
|
C _D(( ' S/R UPDATE_T (GtDiff+GtAdv): MINVAL(Gt )', MINVAL(Gt))) |
| 334 |
|
|
C /---------------------------------------------------------------\ |
| 335 |
|
|
C | gT <- gT + GtForcing | |
| 336 |
|
|
C \---------------------------------------------------------------/ |
| 337 |
cnh |
1.2 |
C IF ( TOP_LAYER ) THEN |
| 338 |
|
|
C DO J =1,Ny |
| 339 |
|
|
C DO I=1, Nx |
| 340 |
cnh |
1.1 |
Cdbg gT(_I3(K,I,J)) = gT(_I3(K,I,J)) + HEAT(I,J) |
| 341 |
cnh |
1.2 |
C gT(_I3(K,I,J)) = gT(_I3(K,I,J)) - |
| 342 |
|
|
C & 1./(30.*oneDay)*( T(_I3(K,I,J)) - Tsurf(I,J,K) ) |
| 343 |
|
|
C ENDDO |
| 344 |
|
|
C ENDDO |
| 345 |
|
|
C ENDIF |
| 346 |
cnh |
1.1 |
|
| 347 |
|
|
C Final time derivative from AB2. |
| 348 |
|
|
gt(_I3(K,1:Nx,1:Ny)) = Gt(_I3(K,1:Nx,1:Ny))*pMask(_I3(K,:,:)) |
| 349 |
|
|
tmp = 0. |
| 350 |
|
|
tmp2 = 0. |
| 351 |
|
|
tmp (1:Nx,1:Ny) = gtNM1(_I3(K,:,:)) |
| 352 |
|
|
tmp2(1:Nx,1:Ny) = gt (_I3(K,:,:)) |
| 353 |
|
|
|
| 354 |
|
|
C _D(( ' S/R UPDATE_T (Gt Section): MAXVAL(GtNM1)', MAXVAL(GtNm1) )) |
| 355 |
|
|
C _D(( ' S/R UPDATE_T (Gt Section): MAXVAL(Gt)', MAXVAL(Gt) )) |
| 356 |
|
|
|
| 357 |
|
|
gtNM1(_I3(K,:,:)) = gt(_I3(K,:,:)) |
| 358 |
|
|
tmp2=(1.5+abEps)*tmp2-(0.5+abEps)*tmp |
| 359 |
|
|
gt(_I3(K,1:Nx,1:Ny))=tmp2(1:Nx,1:Ny) |
| 360 |
|
|
C |
| 361 |
|
|
RETURN |
| 362 |
|
|
END |
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