| 1 | MODULE sol_oce |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE sol_oce *** |
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| 4 | !! Ocean solver : solver variables defined in memory |
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| 5 | !!===================================================================== |
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| 6 | !! |
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| 7 | !! ** Purpose : Define in memory solver variables |
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| 8 | !! |
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| 9 | !! History : |
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| 10 | !! 9.0 ! 02-11 (G. Madec) F90: Free form and module |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! OPA 9.0 , LODYC-IPSL (2003) |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | !! * Modules used |
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| 15 | USE par_oce ! ocean parameters |
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| 16 | |
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| 17 | IMPLICIT NONE |
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| 18 | |
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| 19 | !!---------------------------------------------------------------------- |
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| 20 | !! elliptic solver: SOR, PCG or FETI |
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| 21 | !! --------------------------------------------------- |
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| 22 | INTEGER :: & !!! namsol elliptic solver / island / free surface |
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| 23 | nsolv = 1 , & ! = 1/2/3 type of elliptic solver |
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| 24 | nmax = 800 , & ! maximum of iterations for the solver |
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| 25 | nmisl = 4000 ! maximum pcg iterations for island |
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| 26 | |
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| 27 | REAL(wp) :: & !!! namsol elliptic solver / island / free surface |
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| 28 | eps = 1.e-6_wp , & ! absolute precision of the solver |
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| 29 | sor = 1.76_wp , & ! optimal coefficient for sor solver |
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| 30 | epsisl = 1.e-10_wp, & ! absolute precision on stream function solver |
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| 31 | rnu = 1.0_wp ! strength of the additional force used in free surface |
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| 32 | |
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| 33 | INTEGER :: & |
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| 34 | ncut, & ! indicator of solver convergence |
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| 35 | niter ! number of iteration done by the solver |
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| 36 | |
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| 37 | REAL(wp) :: & |
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| 38 | epsr, & ! relative precision for SOR & PCG solvers |
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| 39 | epsilo, & ! precision for the FETI solver |
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| 40 | rnorme, res, & ! intermediate modulus, solver residu |
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| 41 | alph, & ! coefficient =(gcr,gcr)/(gcx,gccd) |
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| 42 | beta, & ! coefficient =(rn+1,rn+1)/(rn,rn) |
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| 43 | radd, & ! coefficient =(gccd,gcdes) |
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| 44 | rr ! coefficient =(rn,rn) |
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| 45 | |
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| 46 | REAL(wp), DIMENSION(jpi,jpj,4) :: & |
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| 47 | gcp ! barotropic matrix extra-diagonal elements |
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| 48 | |
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| 49 | REAL(wp), DIMENSION(jpi,jpj) :: & |
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| 50 | gcx, gcxb, & ! now, before solution of the elliptic equation |
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| 51 | gcdprc, & ! inverse diagonal preconditioning matrix |
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| 52 | gcdmat, & ! diagonal preconditioning matrix |
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| 53 | gcb, & ! second member of the barotropic linear system |
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| 54 | gcr, & ! residu =b-a.x |
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| 55 | gcdes, & ! vector descente |
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| 56 | gccd ! vector such that ca.gccd=a.d (ca-1=gcdprc) |
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| 57 | |
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| 58 | #if defined key_feti |
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| 59 | !!---------------------------------------------------------------------- |
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| 60 | !! 'key_feti' : FETI solver |
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| 61 | !!---------------------------------------------------------------------- |
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| 62 | !! noeuds : total number of nodes for a subdomnain |
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| 63 | !! ninterf : neighbour subdomain number |
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| 64 | !! nni : interface point number |
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| 65 | !! ndvois() : neighbour subdomain list |
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| 66 | !! maplistin() : node pointer at each interface |
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| 67 | !! malistin() : concatened list of interface nodes |
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| 68 | |
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| 69 | INTEGER :: nim,nxm, & |
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| 70 | malxm,malim,malxmax,malimax, & |
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| 71 | nifmat,njfmat,nelem,npe,matopo, & |
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| 72 | noeuds,nmorse,maan, & |
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| 73 | ninterf,ninterfc,nni,nnic,nnih,nnitot,ndir, & |
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| 74 | mandvois,mandvoisc, & |
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| 75 | maplistin,maplistih,malistin, & |
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| 76 | malisdir,npblo,mablo,ndlblo,ndkerep, & |
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| 77 | malisblo,mansp,ndimax, & |
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| 78 | miax,may,maz,mapoids, & |
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| 79 | nmaxd,mjj0,nitmax,ntest, & |
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| 80 | mabitw,mautilu,malambda,mag,mamg,mapg,mawj,madwj,madwwj, & |
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| 81 | magh,maw,madw, & |
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| 82 | mautil,mav,madia,mabufin,mabufout,mawork,maae,magamm, & |
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| 83 | maxnul,maynul,numit0ete,nitmaxete,maeteg,maeteag, & |
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| 84 | maeted,maetead,maeteadd,maetegamm,maetev,maetew, & |
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| 85 | madwork |
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| 86 | |
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| 87 | INTEGER :: mfet(jpi*jpj+2*jpi+2*jpj+51) |
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| 88 | |
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| 89 | REAL(wp) :: wfeti(jpj*jpi*jpi+13*jpi*jpj+19*(jpi+jpj) & |
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| 90 | +4*jpnij+33 & |
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| 91 | +2*(jpi+jpj)*(jpnij-jpni)*jpi & |
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| 92 | +2*(jpi+jpj)*(jpnij-jpnj+jperio)*jpj & |
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| 93 | +3*(jpnij-jpni)*jpi & |
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| 94 | +3*(jpnij-jpnj+jperio)*jpj) |
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| 95 | |
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| 96 | REAL(wp) :: res2, rcompt |
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| 97 | |
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| 98 | #endif |
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| 99 | |
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| 100 | !!---------------------------------------------------------------------- |
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| 101 | END MODULE sol_oce |
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