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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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! Avec nouveaux opérateurs star : gradiv2, divgrad2, nxgraro2 |
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! Author: P. Le Van |
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! Objet : dissipation horizontale |
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USE dimens_m, ONLY: iim, jjm, llm |
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USE paramet_m, ONLY: iip1, iip2, ip1jmp1, llmp1 |
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USE comdissnew, ONLY: lstardis, nitergdiv, nitergrot, niterh |
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USE inidissip_m, ONLY: dtdiss, tetah, tetaudiv, tetaurot, cdivu, crot, cdivh |
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use gradiv2_m, only: gradiv2 |
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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), llmp1) |
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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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! Local: |
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REAL gdx(iim + 1, jjm + 1, llm), gdy(iim + 1, jjm, llm) |
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REAL grx(iim + 1, jjm + 1, llm), gry(iim + 1, jjm, llm) |
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REAL te1dt(llm), te2dt(llm), te3dt(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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! Initializations: |
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te1dt = tetaudiv * dtdiss |
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te2dt = tetaurot * dtdiss |
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te3dt = tetah * dtdiss |
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du = 0. |
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dv = 0. |
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dh = 0. |
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! Calcul de la dissipation: |
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! Calcul de la partie grad (div) : |
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IF (lstardis) THEN |
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CALL gradiv2(llm, ucov, vcov, nitergdiv, gdx, gdy, cdivu) |
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ELSE |
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CALL gradiv(llm, ucov, vcov, nitergdiv, gdx, gdy, cdivu) |
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END IF |
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gdx(:, 1, :) = 0. |
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gdx(:, jjm + 1, :) = 0. |
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forall (l = 1: llm) |
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du(:, 2: jjm, l) = du(:, 2: jjm, l) - te1dt(l) * gdx(:, 2: jjm, l) |
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dv(:, :, l) = dv(:, :, l) - te1dt(l) * gdy(:, :, l) |
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END forall |
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! calcul de la partie n X grad (rot) : |
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IF (lstardis) THEN |
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CALL nxgraro2(llm, ucov, vcov, nitergrot, grx, gry, crot) |
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ELSE |
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CALL nxgrarot(llm, ucov, vcov, nitergrot, grx, gry, crot) |
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END IF |
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grx(:, 1, :) = 0. |
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forall (l = 1: llm) |
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du(:, 2: jjm, l) = du(:, 2: jjm, l) - te2dt(l) * grx(:, 2: jjm, l) |
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dv(:, :, l) = dv(:, :, l) - te2dt(l) * gry(:, :, l) |
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END forall |
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! calcul de la partie div (grad) : |
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IF (lstardis) THEN |
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forall (l = 1: llm) 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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ELSE |
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CALL divgrad(llm, teta, niterh, gdx, cdivh) |
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END IF |
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forall (l = 1: llm) dh(:, :, l) = dh(:, :, l) - te3dt(l) * gdx(:, :, l) |
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END SUBROUTINE dissip |
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end module dissip_m |
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