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module inidissip_m |
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use dimens_m, only: llm |
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IMPLICIT NONE |
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private llm |
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REAL dtdiss ! in s |
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integer idissip ! période de la dissipation (en pas de temps) |
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real tetaudiv(llm), tetaurot(llm), tetah(llm) ! in s-1 |
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real cdivu, crot, cdivh |
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contains |
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SUBROUTINE inidissip |
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! From dyn3d/inidissip.F, version 1.1.1.1 2004/05/19 12:53:06 |
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! Initialisation de la dissipation horizontale. Calcul des valeurs |
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! propres des opérateurs par méthode itérative. |
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USE comconst, ONLY: dtvr |
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use comdissnew, only: nitergdiv, nitergrot, niterh, tetagdiv, tetagrot, & |
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tetatemp |
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USE comvert, ONLY: preff, presnivs |
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USE conf_gcm_m, ONLY: iperiod |
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USE dimens_m, ONLY: iim, jjm |
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use divgrad2_m, only: divgrad2 |
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use filtreg_m, only: filtreg |
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use gradiv2_m, only: gradiv2 |
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use jumble, only: new_unit |
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use nxgraro2_m, only: nxgraro2 |
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USE paramet_m, ONLY: jjp1 |
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! Variables local to the procedure: |
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REAL zvert(llm), max_zvert ! no dimension |
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REAL, dimension(iim + 1, jjm + 1, 1):: zh, zu, gx, divgra, deltap |
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real zv(iim + 1, jjm, 1), gy(iim + 1, jjm, 1) |
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REAL zllm |
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INTEGER l, seed_size, ii, unit |
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REAL tetamin ! in s |
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!----------------------------------------------------------------------- |
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PRINT *, 'Call sequence information: inidissip' |
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call random_seed(size=seed_size) |
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call random_seed(put=(/(0, ii = 1, seed_size)/)) |
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PRINT *, 'Calcul des valeurs propres de divgrad' |
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deltap = 1. |
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call random_number(zh) |
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zh = zh - 0.5 |
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CALL filtreg(zh, jjp1, 1, 2, 1, .TRUE.) |
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DO l = 1, 50 |
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CALL divgrad2(1, zh, deltap, niterh, divgra, -1.) |
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zllm = abs(maxval(divgra)) |
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zh = divgra / zllm |
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END DO |
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cdivh = 1. / zllm |
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PRINT *, 'cdivh = ', cdivh |
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PRINT *, 'Calcul des valeurs propres de gradiv' |
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call random_number(zu) |
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zu = zu - 0.5 |
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CALL filtreg(zu, jjp1, 1, 2, 1, .TRUE.) |
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call random_number(zv) |
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zv = zv - 0.5 |
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CALL filtreg(zv, jjm, 1, 2, 1, .FALSE.) |
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DO l = 1, 50 |
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CALL gradiv2(zu, zv, nitergdiv, gx, gy, -1.) |
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zllm = max(abs(maxval(gx)), abs(maxval(gy))) |
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zu = gx / zllm |
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zv = gy / zllm |
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end DO |
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cdivu = 1. / zllm |
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PRINT *, 'cdivu = ', cdivu |
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PRINT *, 'Calcul des valeurs propres de nxgrarot' |
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call random_number(zu) |
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zu = zu - 0.5 |
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CALL filtreg(zu, jjp1, 1, 2, 1, .TRUE.) |
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call random_number(zv) |
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zv = zv - 0.5 |
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CALL filtreg(zv, jjm, 1, 2, 1, .FALSE.) |
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DO l = 1, 50 |
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CALL nxgraro2(zu, zv, nitergrot, gx, gy, -1.) |
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zllm = max(abs(maxval(gx)), abs(maxval(gy))) |
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zu = gx / zllm |
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zv = gy / zllm |
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end DO |
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crot = 1. / zllm |
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PRINT *, 'crot = ', crot |
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! Variation verticale du coefficient de dissipation : |
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zvert = 2. - 1. / (1. + (preff / presnivs - 1.)**2) |
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! (between 1 and 2) |
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tetaudiv = zvert / tetagdiv |
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tetaurot = zvert / tetagrot |
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tetah = zvert / tetatemp |
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max_zvert = maxval(zvert) |
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tetamin = min(1e6, tetagdiv / max_zvert, tetagrot / max_zvert, & |
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tetatemp / max_zvert) |
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PRINT *, 'tetamin = ', tetamin |
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idissip = max(1, int(tetamin / (2 * dtvr * iperiod))) * iperiod |
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PRINT *, 'idissip = ', idissip |
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dtdiss = idissip * dtvr |
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PRINT *, 'dtdiss = ', dtdiss, "s" |
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call new_unit(unit) |
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open(unit, file="inidissip.csv", status="replace", action="write") |
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! Title line: |
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write(unit, fmt=*) '"presnivs (hPa)" "dtdiss * tetaudiv" ' & |
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// '"dtdiss * tetaurot" "dtdiss * tetah"' |
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do l = 1, llm |
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write(unit, fmt=*) presnivs(l) / 100., dtdiss * tetaudiv(l), & |
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dtdiss * tetaurot(l), dtdiss * tetah(l) |
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end do |
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close(unit) |
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print *, 'Created file "inidissip.csv".' |
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END SUBROUTINE inidissip |
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end module inidissip_m |