| 1 |
C $Header: /u/gcmpack/MITgcm/verification/internal_wave/code/obcs_calc.F,v 1.5 2002/08/07 16:55:52 mlosch Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "OBCS_OPTIONS.h" |
| 5 |
|
| 6 |
SUBROUTINE OBCS_CALC( futureTime, futureIter, |
| 7 |
& uVel, vVel, wVel, theta, salt, |
| 8 |
& myThid ) |
| 9 |
C /==========================================================\ |
| 10 |
C | SUBROUTINE OBCS_CALC | |
| 11 |
C | o Calculate future boundary data at open boundaries | |
| 12 |
C | at time = futureTime | |
| 13 |
C |==========================================================| |
| 14 |
C | | |
| 15 |
C \==========================================================/ |
| 16 |
IMPLICIT NONE |
| 17 |
|
| 18 |
C === Global variables === |
| 19 |
#include "SIZE.h" |
| 20 |
#include "EEPARAMS.h" |
| 21 |
#include "PARAMS.h" |
| 22 |
#include "EOS.h" |
| 23 |
#include "OBCS.h" |
| 24 |
|
| 25 |
C == Routine arguments == |
| 26 |
INTEGER futureIter |
| 27 |
_RL futureTime |
| 28 |
_RL uVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 29 |
_RL vVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 30 |
_RL wVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 31 |
_RL theta(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 32 |
_RL salt (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 33 |
INTEGER myThid |
| 34 |
|
| 35 |
#ifdef ALLOW_OBCS |
| 36 |
|
| 37 |
C == Local variables == |
| 38 |
INTEGER bi, bj |
| 39 |
INTEGER I, J ,K |
| 40 |
|
| 41 |
#include "GRID.h" |
| 42 |
_RL obTimeScale,Uinflow,rampTime2 |
| 43 |
_RL vertStructWst(Nr) |
| 44 |
_RL mz,strat,kx |
| 45 |
_RL tmpsum |
| 46 |
|
| 47 |
C Vertical mode number |
| 48 |
mz=1.0 _d 0 |
| 49 |
C Stratification |
| 50 |
strat = 1.0 _d -6 / (gravity*tAlpha) |
| 51 |
|
| 52 |
C Create a vertical structure function with zero mean |
| 53 |
tmpsum=0. |
| 54 |
do K=1,Nr |
| 55 |
vertStructWst(K)=cos(mz*PI* (rC(K)/rF(Nr+1)) ) |
| 56 |
tmpsum=tmpsum+vertStructWst(K)*drF(K) |
| 57 |
enddo |
| 58 |
tmpsum=tmpsum/rF(Nr+1) |
| 59 |
do K=1,Nr |
| 60 |
vertStructWst(K)=vertStructWst(K)-tmpsum |
| 61 |
enddo |
| 62 |
c |
| 63 |
obTimeScale = 44567.0 _d 0 |
| 64 |
kx=mz*2. _d 0*pi/400.0 _d 0 |
| 65 |
& *sqrt((2.0 _d 0*pi*2.0 _d 0*pi/(obTimeScale*obTimeScale) |
| 66 |
& - f0*f0)/(1.0 _d -6 |
| 67 |
& - 2.0 _d 0*pi*2.0 _d 0*pi/(obTimeScale*obTimeScale))) |
| 68 |
Uinflow = 0.024 _d 0 |
| 69 |
C *NOTE* I have commented out the ramp function below |
| 70 |
C just to speed things up. You will probably want to use it |
| 71 |
C for smoother looking solutions. |
| 72 |
rampTime2 = 4. _d 0*44567.0 _d 0 |
| 73 |
|
| 74 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 75 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 76 |
|
| 77 |
C Eastern OB |
| 78 |
IF (useOrlanskiEast) THEN |
| 79 |
CALL ORLANSKI_EAST( |
| 80 |
& bi, bj, futureTime, |
| 81 |
& uVel, vVel, wVel, theta, salt, |
| 82 |
& myThid ) |
| 83 |
ELSE |
| 84 |
DO K=1,Nr |
| 85 |
DO J=1-Oly,sNy+Oly |
| 86 |
OBEu(J,K,bi,bj)=0. |
| 87 |
OBEv(J,K,bi,bj)=0. |
| 88 |
OBEt(J,K,bi,bj)=tRef(K) |
| 89 |
OBEs(J,K,bi,bj)=sRef(K) |
| 90 |
#ifdef ALLOW_NONHYDROSTATIC |
| 91 |
OBEw(J,K,bi,bj)=0. |
| 92 |
#endif |
| 93 |
ENDDO |
| 94 |
ENDDO |
| 95 |
ENDIF |
| 96 |
|
| 97 |
C Western OB |
| 98 |
IF (useOrlanskiWest) THEN |
| 99 |
CALL ORLANSKI_WEST( |
| 100 |
& bi, bj, futureTime, |
| 101 |
& uVel, vVel, wVel, theta, salt, |
| 102 |
& myThid ) |
| 103 |
ELSE |
| 104 |
DO K=1,Nr |
| 105 |
DO J=1-Oly,sNy+Oly |
| 106 |
OBWu(J,K,bi,bj)=0. _d 0 |
| 107 |
& +Uinflow |
| 108 |
& *vertStructWst(K) |
| 109 |
& *sin(2. _d 0*PI*futureTime/obTimeScale) |
| 110 |
c & *(exp(futureTime/rampTime2) |
| 111 |
c & - exp(-futureTime/rampTime2)) |
| 112 |
c & /(exp(futureTime/rampTime2) |
| 113 |
c & + exp(-futureTime/rampTime2)) |
| 114 |
& *cos(kx*(3. _d 0-2. _d 0-0.5 _d 0)*delX(1)) |
| 115 |
OBWv(J,K,bi,bj)=0. _d 0 |
| 116 |
& +Uinflow |
| 117 |
& *f0/(2.0 _d 0*PI/obTimeScale) |
| 118 |
& *vertStructWst(K) |
| 119 |
& *cos(2. _d 0*PI*futureTime/obTimeScale ) |
| 120 |
& * (exp(futureTime/rampTime2) |
| 121 |
& - exp(-futureTime/rampTime2)) |
| 122 |
& /(exp(futureTime/rampTime2) |
| 123 |
& + exp(-futureTime/rampTime2)) |
| 124 |
OBWt(J,K,bi,bj)=tRef(K) |
| 125 |
& + Uinflow*sin(mz*PI*(float(k)-0.5 _d 0)/float(Nr)) |
| 126 |
& * sin(2.0 _d 0*PI*futureTime/obTimeScale) |
| 127 |
& *sqrt(strat/(tAlpha*gravity)) |
| 128 |
& *sqrt(2.0 _d 0*PI/obTimeScale*2.0*PI/obTimeScale - f0*f0) |
| 129 |
& /(2.0 _d 0*PI/obTimeScale) |
| 130 |
c & * (exp(futureTime/rampTime2) |
| 131 |
c & - exp(-futureTime/rampTime2)) |
| 132 |
c & /(exp(futureTime/rampTime2) |
| 133 |
c & + exp(-futureTime/rampTime2)) |
| 134 |
#ifdef ALLOW_NONHYDROSTATIC |
| 135 |
OBWw(J,K,bi,bj)=-Uinflow |
| 136 |
& *sqrt(2.0 _d 0*PI/obTimeScale*2.0 _d 0*PI/obTimeScale - f0*f0) |
| 137 |
& /sqrt(strat*strat - |
| 138 |
& 2.0 _d 0*PI/obTimeScale*2.0 _d 0*PI/obTimeScale) |
| 139 |
& *sin(mz*PI*(float(k)-0.5 _d 0)/float(Nr)) |
| 140 |
& *cos(2. _d 0*PI*futureTime/obTimeScale) |
| 141 |
c & *(exp(futureTime/rampTime2) |
| 142 |
c & - exp(-futureTime/rampTime2)) |
| 143 |
c & /(exp(futureTime/rampTime2) |
| 144 |
c & + exp(-futureTime/rampTime2)) |
| 145 |
#endif |
| 146 |
ENDDO |
| 147 |
ENDDO |
| 148 |
ENDIF |
| 149 |
|
| 150 |
C Northern OB, template for forcing |
| 151 |
IF (useOrlanskiNorth) THEN |
| 152 |
CALL ORLANSKI_NORTH( |
| 153 |
& bi, bj, futureTime, |
| 154 |
& uVel, vVel, wVel, theta, salt, |
| 155 |
& myThid ) |
| 156 |
ELSE |
| 157 |
DO K=1,Nr |
| 158 |
DO I=1-Olx,sNx+Olx |
| 159 |
OBNv(I,K,bi,bj)=0. |
| 160 |
OBNu(I,K,bi,bj)=0. |
| 161 |
OBNt(I,K,bi,bj)=tRef(K) |
| 162 |
OBNs(I,K,bi,bj)=sRef(K) |
| 163 |
#ifdef ALLOW_NONHYDROSTATIC |
| 164 |
OBNw(I,K,bi,bj)=0. |
| 165 |
#endif |
| 166 |
ENDDO |
| 167 |
ENDDO |
| 168 |
ENDIF |
| 169 |
|
| 170 |
C Southern OB, template for forcing |
| 171 |
IF (useOrlanskiSouth) THEN |
| 172 |
CALL ORLANSKI_SOUTH( |
| 173 |
& bi, bj, futureTime, |
| 174 |
& uVel, vVel, wVel, theta, salt, |
| 175 |
& myThid ) |
| 176 |
ELSE |
| 177 |
DO K=1,Nr |
| 178 |
DO I=1-Olx,sNx+Olx |
| 179 |
OBSu(I,K,bi,bj)=0. |
| 180 |
OBSv(I,K,bi,bj)=0. |
| 181 |
OBSt(I,K,bi,bj)=tRef(K) |
| 182 |
OBSs(I,K,bi,bj)=sRef(K) |
| 183 |
#ifdef ALLOW_NONHYDROSTATIC |
| 184 |
OBSw(I,K,bi,bj)=0. |
| 185 |
#endif |
| 186 |
ENDDO |
| 187 |
ENDDO |
| 188 |
ENDIF |
| 189 |
|
| 190 |
C-- end bi,bj loops. |
| 191 |
ENDDO |
| 192 |
ENDDO |
| 193 |
|
| 194 |
#endif /* ALLOW_OBCS */ |
| 195 |
RETURN |
| 196 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph