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C $Header: /u/gcmpack/models/MITgcmUV/model/inc/PARAMS.h,v 1.5 1998/04/30 13:25:01 adcroft Exp $ |
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C |
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C /==========================================================\ |
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C | PARAMS.h | |
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C | o Header file defining model "parameters". | |
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C |==========================================================| |
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C | The values from the model's standard input file are | |
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C | stored into the variables held here. Notes describing | |
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C | the parameters can also be found here. | |
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C \==========================================================/ |
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|
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C-- Contants |
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C nOBands - No. of offline data time bands |
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INTEGER nOBands |
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PARAMETER ( nOBands = 12 ) |
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C Useful physical values |
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Real*8 PI |
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PARAMETER ( PI = 3.14159265358979323844D0 ) |
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Real*8 deg2rad |
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PARAMETER ( deg2rad = 2.D0*PI/360.D0 ) |
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C-- COMMON /PARM_C/ Character valued parameters used by the model. |
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C oBandId - Offline dataset identifiers for different periods. |
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COMMON /PARM_C/ oBandId |
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CHARACTER*3 oBandId(nOBands) |
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C-- COMMON /PARM_I/ Integer valued parameters used by the model. |
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C cg2dMaxIters - Maximum number of iterations in the |
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C two-dimensional con. grad solver. |
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C cg2dChkResFreq - Frequency with which to check residual |
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C in con. grad solver. |
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C nIter0 - Start time-step number of for this run |
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C nTimeSteps - Number of timesteps to execute |
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C numStepsPerPickup - For offline setup. Frequency of pickup |
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C of flow fields. |
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COMMON /PARM_I/ |
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& cg2dMaxIters, |
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& cg2dChkResFreq, |
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& nIter0, nTimeSteps, |
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& numStepsPerPickup |
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INTEGER cg2dMaxIters |
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INTEGER cg2dChkResFreq |
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INTEGER nIter0 |
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INTEGER nTimeSteps |
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INTEGER numStepsPerPickup |
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|
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C-- COMMON /PARM_L/ Logical valued parameters used by the model. |
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C usingCartesianGrid - If TRUE grid generation will be in a cartesian |
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C coordinate frame. |
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C usingSphericalPolarGrid - If TRUE grid generation will be in a |
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C spherical polar frame. |
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C momViscosity - Flag which turns momentum friction terms on and off. |
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C momAdvection - Flag which turns advection of momentum on and off. |
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C momForcing - Flag which turns external forcing of momentum on |
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C and off. |
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C useCoriolis - Flag which turns the coriolis terms on and off. |
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C tempDiffusion - Flag which turns diffusion of temperature on |
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C and off. |
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C tempAdvection - Flag which turns advection of temperature on |
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C and off. |
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C tempForcing - Flag which turns external forcing of temperature on |
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C and off. |
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C saltDiffusion - Flag which turns diffusion of salinit on |
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C and off. |
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C saltAdvection - Flag which turns advection of salinit on |
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C and off. |
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C saltForcing - Flag which turns external forcing of salinit on |
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C and off. |
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COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid, |
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& momViscosity, momAdvection, momForcing, useCoriolis, |
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& tempDiffusion, tempAdvection, tempForcing, |
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& saltDiffusion, saltAdvection, saltForcing |
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LOGICAL usingCartesianGrid |
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LOGICAL usingSphericalPolarGrid |
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LOGICAL momViscosity |
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LOGICAL momAdvection |
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LOGICAL momForcing |
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LOGICAL useCoriolis |
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LOGICAL tempDiffusion |
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LOGICAL tempAdvection |
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LOGICAL tempForcing |
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LOGICAL saltDiffusion |
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LOGICAL saltAdvection |
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LOGICAL saltForcing |
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|
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C-- COMMON /PARM_R/ "Real" valued parameters used by the model. |
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C cg2dTargetResidual |
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C - Target residual for cg2d solver. |
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C delZ - Vertical grid spacing ( m ) - delZ is the distance |
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C between "w" surfaces. |
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C delX - Separation between cell faces (m) or (deg), depending |
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C delY on input flags. |
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C gravity - Accel. due to gravity ( m/s^2 ) |
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C ronil - Reference density |
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C startTime - Start time for model ( s ) |
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C phiMin - Latitude of southern most cell face. |
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C thetaMin - Longitude of western most cell face (this |
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C is an "inert" parameter but it is included |
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C to make geographical references simple.) |
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C rSphere - Radius of sphere for a spherical polar grid ( m ). |
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C f0 - Reference coriolis parameter ( 1/s ) |
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C ( Southern edge f for beta plane ) |
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C beta - df/dy ( s^-1.m^-1 ) |
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C viscAh - Eddy viscosity coeff. for mixing of |
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C momentum laterally ( m^2/s ) |
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C viscAz - Eddy viscosity coeff. for mixing of |
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C momentum vertically ( m^2/s ) |
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C viscA4 - Biharmonic viscosity coeff. for mixing of |
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C momentum laterally ( m^4/s ) |
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C diffKhT - Laplacian diffusion coeff. for mixing of |
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C heat laterally ( m^2/s ) |
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C diffKzT - Laplacian diffusion coeff. for mixing of |
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C heat vertically ( m^2/s ) |
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C diffK4T - Biharmonic diffusion coeff. for mixing of |
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C heat laterally ( m^4/s ) |
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C diffKhS - Laplacian diffusion coeff. for mixing of |
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C salt laterally ( m^2/s ) |
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C diffKzS - Laplacian diffusion coeff. for mixing of |
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C salt vertically ( m^2/s ) |
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C diffK4S - Biharmonic diffusion coeff. for mixing of |
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C salt laterally ( m^4/s ) |
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C deltaT - Default timestep ( s ) |
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C deltaTMom - Timestep for momemtum equations ( s ) |
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C deltaTtracer - Timestep for tracer equations ( s ) |
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C tauCD - CD scheme coupling timescale ( 1/s ) |
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C rCD - CD scheme normalised coupling parameter ( 0-1 ) |
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C GMmaxslope - max. slope allowed in GM/Redi tensor |
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C GMlength - Length to use in Visbeck et al. formula for K |
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C GMalpha - alpha to use in Visbeck et al. formula for K |
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C GMdepth - Depth over which to integrate Richardson # (Visbeck et al.) |
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C GMbackground - background value of GM/Redi coefficient |
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C startTime - Starting time for this integration ( s ). |
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C endTime - Ending time for this integration ( s ). |
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C chkPtFreq - Frequency of check pointing ( s ). |
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C dumpFreq - Frequency with which model state is written to |
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C post-processing files ( s ). |
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COMMON /PARM_R/ cg2dTargetResidual, delZ, delX, delY, deltaT, |
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& deltaTmom, deltaTtracer, abeps, startTime, phiMin, thetaMin, |
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& rSphere, f0, fCori, beta, viscAh, viscAz, viscA4, diffKhT, diffKzT, |
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& diffK4T, diffKhS, diffKzS, diffK4S, delT, tauCD, rCD, |
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& GMmaxslope,GMlength,GMalpha,GMdepth,GMkbackground, |
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& gravity, rhonil, tRef, sRef, |
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& endTime, chkPtFreq, dumpFreq |
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_RL cg2dTargetResidual |
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_RL delZ(Nz) |
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_RL delX(Nx) |
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_RL delY(Ny) |
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_RL deltaT |
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_RL deltaTmom |
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_RL deltaTtracer |
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_RL abeps |
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_RL phiMin |
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_RL thetaMin |
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_RL rSphere |
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_RL f0 |
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_RL beta |
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_RL viscAh |
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_RL viscAz |
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_RL viscA4 |
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_RL diffKhT |
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_RL diffKzT |
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_RL diffK4T |
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_RL diffKhS |
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_RL diffKzS |
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_RL diffK4S |
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_RL delt |
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_RL tauCD |
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_RL rCD |
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_RL GMmaxslope |
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_RL GMlength |
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_RL GMalpha |
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_RL GMdepth |
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_RL GMkbackground |
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_RL gravity |
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_RL rhonil |
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_RL tRef(Nz) |
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_RL sRef(Nz) |
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_RL Fcori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL startTime |
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_RL endTime |
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_RL chkPtFreq |
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_RL dumpFreq |
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|
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COMMON /PARM_A/ HeatCapacity_Cp, |
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& Lamba_theta |
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_RL HeatCapacity_Cp |
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_RL Lamba_theta |
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C Equation of State (polynomial coeffients) |
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COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS |
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_RL eosC(Nz+1,9),eosSig0(Nz+1),eosRefT(Nz+1),eosRefS(Nz+1) |
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C Linear equation of state |
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C tAlpha - Linear EOS thermal expansion coefficient ( 1/degree ). |
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C sBeta - Linear EOS haline contraction coefficient. |
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COMMON /PARM_EOS_LIN/ tAlpha,sBeta |
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_RL tAlpha |
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_RL sBeta |
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