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#include "OBCS_OPTIONS.h" |
#include "OBCS_OPTIONS.h" |
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SUBROUTINE ORLANSKI_WEST( bi, bj, futureTime, |
SUBROUTINE ORLANSKI_WEST( bi, bj, futureTime, |
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I uVel, vVel, wVel, theta, salt, |
I uVel, vVel, wVel, theta, salt, |
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I myThid ) |
I myThid ) |
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C /==========================================================\ |
C /==========================================================\ |
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C | SUBROUTINE ORLANSKI_WEST | |
C | SUBROUTINE ORLANSKI_WEST | |
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#include "OBCS.h" |
#include "OBCS.h" |
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#include "ORLANSKI.h" |
#include "ORLANSKI.h" |
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C SPK 6/2/00: Added radiative OBCs for salinity. |
C SPK 6/2/00: Added radiative OBCs for salinity. |
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C SPK 6/6/00: Changed calculation of OB*w. When K=1, the |
C SPK 6/6/00: Changed calculation of OB*w. When K=1, the |
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C upstream value is used. For example on the eastern OB: |
C upstream value is used. For example on the eastern OB: |
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C IF (K.EQ.1) THEN |
C IF (K.EQ.1) THEN |
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C OBEw(J,K,bi,bj)=wVel(I_obc-1,J,K,bi,bj) |
C OBEw(J,K,bi,bj)=wVel(I_obc-1,J,K,bi,bj) |
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C ENDIF |
C ENDIF |
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C |
C |
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C SPK 7/7/00: 1) Removed OB*w fix (see above). |
C SPK 7/7/00: 1) Removed OB*w fix (see above). |
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C 2) Added variable CMAX. Maximum diagnosed phase speed is now |
C 2) Added variable CMAX. Maximum diagnosed phase speed is now |
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C clamped to CMAX. For stability of AB-II scheme (CFL) the |
C clamped to CMAX. For stability of AB-II scheme (CFL) the |
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C (non-dimensional) phase speed must be <0.5 |
C (non-dimensional) phase speed must be <0.5 |
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C 3) (Sonya Legg) Changed application of uVel and vVel. |
C 3) (Sonya Legg) Changed application of uVel and vVel. |
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C uVel on the western OB is actually applied at I_obc+1 |
C uVel on the western OB is actually applied at I_obc+1 |
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C while vVel on the southern OB is applied at J_obc+1. |
C while vVel on the southern OB is applied at J_obc+1. |
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C 4) (Sonya Legg) Added templates for forced OBs. |
C 4) (Sonya Legg) Added templates for forced OBs. |
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C |
C |
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C SPK 7/17/00: Non-uniform resolution is now taken into account in diagnosing |
C SPK 7/17/00: Non-uniform resolution is now taken into account in diagnosing |
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C phase speeds and time-stepping OB values. CL is still the |
C phase speeds and time-stepping OB values. CL is still the |
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C non-dimensional phase speed; CVEL is the dimensional phase |
C non-dimensional phase speed; CVEL is the dimensional phase |
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C speed: CVEL = CL*(dx or dy)/dt, where dx and dy is the |
C speed: CVEL = CL*(dx or dy)/dt, where dx and dy is the |
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C appropriate grid spacings. Note that CMAX (with which CL |
C appropriate grid spacings. Note that CMAX (with which CL |
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C is compared) remains non-dimensional. |
C is compared) remains non-dimensional. |
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C |
C |
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C SPK 7/18/00: Added code to allow filtering of phase speed following |
C SPK 7/18/00: Added code to allow filtering of phase speed following |
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C Blumberg and Kantha. There is now a separate array |
C Blumberg and Kantha. There is now a separate array |
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C CVEL_**, where **=Variable(U,V,T,S,W)Boundary(E,W,N,S) for |
C CVEL_**, where **=Variable(U,V,T,S,W)Boundary(E,W,N,S) for |
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C the dimensional phase speed. These arrays are initialized to |
C the dimensional phase speed. These arrays are initialized to |
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C zero in ini_obcs.F. CVEL_** is filtered according to |
C zero in ini_obcs.F. CVEL_** is filtered according to |
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C CVEL_** = fracCVEL*CVEL(new) + (1-fracCVEL)*CVEL_**(old). |
C CVEL_** = fracCVEL*CVEL(new) + (1-fracCVEL)*CVEL_**(old). |
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C fracCVEL=1.0 turns off filtering. |
C fracCVEL=1.0 turns off filtering. |
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C |
C |
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C SPK 7/26/00: Changed code to average phase speed. A new variable |
C SPK 7/26/00: Changed code to average phase speed. A new variable |
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C 'cvelTimeScale' was created. This variable must now be |
C 'cvelTimeScale' was created. This variable must now be |
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C specified. Then, fracCVEL=deltaT/cvelTimeScale. |
C specified. Then, fracCVEL=deltaT/cvelTimeScale. |
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C Since the goal is to smooth out the 'singularities' in the |
C Since the goal is to smooth out the 'singularities' in the |
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C diagnosed phase speed, cvelTimeScale could be picked as the |
C diagnosed phase speed, cvelTimeScale could be picked as the |
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C duration of the singular period in the unfiltered case. Thus, |
C duration of the singular period in the unfiltered case. Thus, |
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C for a plane wave cvelTimeScale might be the time take for the |
C for a plane wave cvelTimeScale might be the time take for the |
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C wave to travel a distance DX, where DX is the width of the region |
C wave to travel a distance DX, where DX is the width of the region |
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C near which d(phi)/dx is small. |
C near which d(phi)/dx is small. |
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C |
C |
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