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C $Header: /u/gcmpack/MITgcm/pkg/generic_advdiff/GAD.h,v 1.20 2008/02/12 20:26:02 jmc Exp $ |
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C $Name: $ |
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CBOP |
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C !ROUTINE: GAD.h |
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C !INTERFACE: |
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C #include "GAD.h" |
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C !DESCRIPTION: |
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C Contains enumerated constants for distinguishing between different |
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C advection schemes and tracers. |
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C |
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C Unfortunately, there is no easy way to make use of the |
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C tokens in namelist input so for now we have to enter the |
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C tokens value into "data" (ie. 2 for 2nd order etc.) |
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C !USES: |
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C !DEFINED PARAMETERS: |
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C ENUM_UPWIND_1RST :: 1rst Order Upwind |
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INTEGER ENUM_UPWIND_1RST |
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PARAMETER(ENUM_UPWIND_1RST=1) |
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C ENUM_CENTERED_2ND :: Centered 2nd order |
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INTEGER ENUM_CENTERED_2ND |
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PARAMETER(ENUM_CENTERED_2ND=2) |
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C ENUM_UPWIND_3RD :: 3rd order upwind |
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INTEGER ENUM_UPWIND_3RD |
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PARAMETER(ENUM_UPWIND_3RD=3) |
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C ENUM_CENTERED_4TH :: Centered 4th order |
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INTEGER ENUM_CENTERED_4TH |
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PARAMETER(ENUM_CENTERED_4TH=4) |
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C ENUM_DST2 :: 2nd Order Direct Space and Time (= Lax-Wendroff) |
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INTEGER ENUM_DST2 |
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PARAMETER(ENUM_DST2=20) |
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C ENUM_FLUX_LIMIT :: Non-linear flux limiter |
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INTEGER ENUM_FLUX_LIMIT |
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PARAMETER(ENUM_FLUX_LIMIT=77) |
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C ENUM_DST3 :: 3rd Order Direst Space and Time |
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INTEGER ENUM_DST3 |
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PARAMETER(ENUM_DST3=30) |
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C ENUM_DST3_FLUX_LIMIT :: 3-DST flux limited |
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INTEGER ENUM_DST3_FLUX_LIMIT |
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PARAMETER(ENUM_DST3_FLUX_LIMIT=33) |
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C ENUM_OS7MP :: 7th Order One Step method with Monotonicity Preserving Limiter |
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INTEGER ENUM_OS7MP |
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PARAMETER(ENUM_OS7MP=7) |
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C ENUM_SOM_PRATHER :: 2nd Order-Moment Advection Scheme, Prather, 1986 |
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INTEGER ENUM_SOM_PRATHER |
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PARAMETER(ENUM_SOM_PRATHER=80) |
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C ENUM_SOM_LIMITER :: 2nd Order-Moment Advection Scheme, Prather Limiter |
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INTEGER ENUM_SOM_LIMITER |
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PARAMETER(ENUM_SOM_LIMITER=81) |
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C nSOM :: number of 1rst & 2nd Order-Moments: 1+1 (1D), 2+3 (2D), 3+6 (3D) |
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INTEGER nSOM |
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PARAMETER( nSOM = 3+6 ) |
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C oneSixth :: Third/fourth order interpolation factor |
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_RL oneSixth |
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PARAMETER(oneSixth=1.D0/6.D0) |
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C loop range for computing vertical advection tendency |
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C iMinAdvR,iMaxAdvR :: 1rst index (X-dir) loop range for vertical advection |
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C jMinAdvR,jMaxAdvR :: 2nd index (Y-dir) loop range for vertical advection |
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INTEGER iMinAdvR, iMaxAdvR, jMinAdvR, jMaxAdvR |
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c PARAMETER ( iMinAdvR = 1-OLx , iMaxAdvR = sNx+OLx ) |
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c PARAMETER ( jMinAdvR = 1-OLy , jMaxAdvR = sNy+OLy ) |
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C- note: we use to compute vertical advection tracer tendency everywhere |
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C (overlap included) as above, but really needs valid tracer tendency |
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C in interior only (as below): |
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PARAMETER ( iMinAdvR = 1 , iMaxAdvR = sNx ) |
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PARAMETER ( jMinAdvR = 1 , jMaxAdvR = sNy ) |
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C Differentiate between tracers (needed for KPP - arrgh!!!) |
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cph and GMRedi arrgh*arrgh!!!) |
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cph indices are used for TAF key computations, so need to |
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cph running from 1, 2, ... |
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c |
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C GAD_TEMPERATURE :: temperature |
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INTEGER GAD_TEMPERATURE |
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PARAMETER(GAD_TEMPERATURE=1) |
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C GAD_SALINITY :: salinity |
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INTEGER GAD_SALINITY |
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PARAMETER(GAD_SALINITY=2) |
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C GAD_TR1 :: passive tracer 1 |
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INTEGER GAD_TR1 |
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PARAMETER(GAD_TR1=3) |
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CEOP |
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C-- COMMON /GAD_PARM_C/ Character parameters for GAD pkg routines |
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C somSfx :: 1rst & 2nd Order moment suffix |
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CHARACTER*2 somSfx(nSOM) |
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COMMON /GAD_PARM_C/ |
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& somSfx |
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C-- COMMON /GAD_PARM_L/ Logical parameters for GAD pkg routines |
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C tempSOM_Advection :: set to T if using 2nd-Order Moment advection for Temp |
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C saltSOM_Advection :: set to T if using 2nd-Order Moment advection for Salt |
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C tempMultiDimAdvec :: set to T if using multi-dim advection for Temp |
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C saltMultiDimAdvec :: set to T if using multi-dim advection for Salt |
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C AdamsBashforthGt :: apply Adams-Bashforth extrapolation on T tendency (=Gt) |
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C AdamsBashforthGs :: apply Adams-Bashforth extrapolation on S tendency (=Gs) |
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C AdamsBashforth_T :: apply Adams-Bashforth extrapolation on Pot.Temp. |
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C AdamsBashforth_S :: apply Adams-Bashforth extrapolation on Salinity |
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LOGICAL tempSOM_Advection |
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LOGICAL saltSOM_Advection |
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LOGICAL tempMultiDimAdvec |
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LOGICAL saltMultiDimAdvec |
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LOGICAL AdamsBashforthGt |
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LOGICAL AdamsBashforthGs |
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LOGICAL AdamsBashforth_T |
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LOGICAL AdamsBashforth_S |
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COMMON /GAD_PARM_L/ |
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& tempSOM_Advection, saltSOM_Advection, |
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& tempMultiDimAdvec, saltMultiDimAdvec, |
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& AdamsBashforthGt, AdamsBashforthGs, |
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& AdamsBashforth_T, AdamsBashforth_S |
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#ifdef GAD_SMOLARKIEWICZ_HACK |
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_RL SmolarkiewiczMaxFrac |
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COMMON /GAD_SMOL/ SmolarkiewiczMaxFrac |
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#endif |
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CEH3 ;;; Local Variables: *** |
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CEH3 ;;; mode:fortran *** |
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CEH3 ;;; End: *** |
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