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module dissip_m |
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IMPLICIT NONE |
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contains |
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SUBROUTINE dissip(vcov, ucov, teta, p, dv, du, dh) |
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! From dyn3d/dissip.F, version 1.1.1.1 2004/05/19 12:53:05 |
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! Author: P. Le Van |
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|
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! Objet : calcul de la dissipation horizontale. Avec op\'erateurs |
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! star : gradiv2, divgrad2, nxgraro2. |
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use nr_util, only: assert |
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|
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USE comdissnew, ONLY: nitergdiv, nitergrot, niterh |
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USE dimensions, ONLY: iim, jjm, llm |
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use divgrad2_m, only: divgrad2 |
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use gradiv2_m, only: gradiv2 |
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USE inidissip_m, ONLY: dtdiss, tetah, tetaudiv, tetaurot, cdivu, crot, cdivh |
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use nxgraro2_m, only: nxgraro2 |
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|
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REAL, intent(in):: vcov(:, :, :) ! (iim + 1, jjm, llm) |
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REAL, intent(in):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) |
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REAL, intent(in):: teta(:, :, :) ! (iim + 1, jjm + 1, llm) |
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REAL, INTENT(IN):: p(:, :, :) ! (iim + 1, jjm + 1, llm + 1) |
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REAL, intent(out):: dv(:, :, :) ! (iim + 1, jjm, llm) |
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REAL, intent(out):: du(:, :, :) ! (iim + 1, jjm + 1, llm) |
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REAL, intent(out):: dh(:, :, :) ! (iim + 1, jjm + 1, llm) |
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|
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! Local: |
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REAL gdx(iim + 1, jjm + 1, llm), gdy(iim + 1, jjm, llm) |
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REAL tedt(llm) |
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REAL deltapres(iim + 1, jjm + 1, llm) |
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INTEGER l |
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|
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!----------------------------------------------------------------------- |
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|
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call assert((/size(vcov, 1), size(ucov, 1), size(teta, 1), size(p, 1), & |
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size(dv, 1), size(du, 1), size(dh, 1)/) == iim + 1, "dissip iim") |
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call assert((/size(vcov, 2), size(ucov, 2) - 1, size(teta, 2) - 1, & |
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size(p, 2) - 1, size(dv, 2), size(du, 2) - 1, size(dh, 2) - 1/) & |
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== jjm, "dissip jjm") |
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call assert((/size(vcov, 3), size(ucov, 3), size(teta, 3), size(p, 3) - 1, & |
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size(dv, 3), size(du, 3), size(dh, 3)/) == llm, "dissip llm") |
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|
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du(:, 1, :) = 0. |
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du(:, jjm + 1, :) = 0. |
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|
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! Calcul de la partie grad(div) : |
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CALL gradiv2(ucov, vcov, nitergdiv, gdx, gdy, cdivu) |
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tedt = tetaudiv * dtdiss |
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forall (l = 1: llm) |
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du(:, 2: jjm, l) = - tedt(l) * gdx(:, 2: jjm, l) |
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dv(:, :, l) = - tedt(l) * gdy(:, :, l) |
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END forall |
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|
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! Calcul de la partie n \wedge grad(rot) : |
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CALL nxgraro2(ucov, vcov, nitergrot, gdx, gdy, crot) |
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tedt = tetaurot * dtdiss |
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forall (l = 1: llm) |
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du(:, 2: jjm, l) = du(:, 2: jjm, l) - tedt(l) * gdx(:, 2: jjm, l) |
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dv(:, :, l) = dv(:, :, l) - tedt(l) * gdy(:, :, l) |
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END forall |
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|
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! calcul de la partie div(grad) : |
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forall (l = 1: llm) & |
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deltapres(:, :, l) = max(0., p(:, :, l) - p(:, :, l + 1)) |
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CALL divgrad2(llm, teta, deltapres, niterh, gdx, cdivh) |
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forall (l = 1: llm) dh(:, :, l) = - tetah(l) * dtdiss * gdx(:, :, l) |
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|
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END SUBROUTINE dissip |
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|
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end module dissip_m |
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