[172] | 1 | !> \file dragging_neff_contmaj_mod.f90 |
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| 2 | !! Defini les zones de stream avec 3 criteres |
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| 3 | !< |
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| 4 | |
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| 5 | !> \namespace dragging_neff_contmaj |
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| 6 | !! Defini les zones de stream avec 3 criteres |
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| 7 | !! \author ... |
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| 8 | !! \date ... |
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| 9 | !! @note Les trois criteres sont: |
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| 10 | !! @note * un critere sur la pression effective |
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| 11 | !! @note * un critere de continuite depuis la cote |
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| 12 | !! @note * un critere sur la courbure du socle (si negatif, vallees) |
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| 13 | !! @note Used module |
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| 14 | !! @note - use module3D_phy |
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| 15 | !! @note - use param_phy_mod |
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| 16 | !< |
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| 17 | |
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| 18 | module dragging_param_beta_sedim |
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| 19 | |
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| 20 | ! Defini les zones de stream avec : |
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| 21 | ! * un critere sur la pression effective |
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| 22 | ! * un critere de continuite depuis la cote |
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| 23 | ! * un critere sur la courbure du socle (si negatif, vallees) |
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| 24 | |
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| 25 | use module3d_phy |
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| 26 | use param_phy_mod |
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| 27 | use interface_input |
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| 28 | use io_netcdf_grisli |
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| 29 | use fake_beta_iter_vitbil_mod |
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| 30 | |
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| 31 | implicit none |
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| 32 | |
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| 33 | logical,dimension(nx,ny) :: cote |
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| 34 | |
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| 35 | real,dimension(nx,ny) :: beta_param ! local variable |
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| 36 | |
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| 37 | real :: betamin ! betamin : (Pa) frottement mini sous les streams |
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| 38 | |
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| 39 | real :: beta_slope ! = A in: B = A x Neff ** K |
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| 40 | real :: beta_expo ! = K in: B = A x Neff ** K |
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| 41 | |
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| 42 | real,dimension(nx,ny) :: neff ! pression effective noeuds majeurs |
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| 43 | real,dimension(nx,ny) :: hwatmx ! hauteur d'eau staggered grille - afq |
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| 44 | real,dimension(nx,ny) :: hwatmy ! hauteur d'eau staggered grille - afq |
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| 45 | |
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| 46 | real :: coef_ile ! coef frottement zones iles (0.1) |
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| 47 | |
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| 48 | real,dimension(nx,ny) :: h_sedimmx ! sediment thickness (or rebounded bedrock) |
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| 49 | real,dimension(nx,ny) :: h_sedimmy ! sediment thickness (or rebounded bedrock) |
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| 50 | real :: seuil_sedim ! drag reduced beyond this threshold |
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| 51 | real :: coef_sedim ! drag reduction factor |
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| 52 | real :: neffmin = 1.e5 ! as in neffect, but this should be the exact same variable |
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| 53 | |
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| 54 | real, dimension(nx,ny) :: Vcol_x !< uniquement pour compatibilite avec spinup cat |
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| 55 | real, dimension(nx,ny) :: Vcol_y !< uniquement pour compatibilite avec spinup cat |
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| 56 | real, dimension(nx,ny) :: Vsl_x !< uniquement pour compatibilite avec spinup cat |
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| 57 | real, dimension(nx,ny) :: Vsl_y !< uniquement pour compatibilite avec spinup cat |
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| 58 | logical :: corr_def = .false. !< for deformation correction, pour compatibilite beta |
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| 59 | |
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| 60 | contains |
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| 61 | !------------------------------------------------------------------------------- |
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| 62 | |
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| 63 | !> SUBROUTINE: init_dragging |
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| 64 | !! Cette routine fait l'initialisation du dragging. |
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| 65 | !> |
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| 66 | subroutine init_dragging ! Cette routine fait l'initialisation du dragging. |
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| 67 | |
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| 68 | implicit none |
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| 69 | |
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| 70 | real,dimension(nx,ny) :: h_sedim ! sediment thickness (or rebounded bedrock) |
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| 71 | character(len=150) :: file_sedim ! file for sediment thickness for HN or rebounded bsoc for Antar |
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| 72 | character(len=150) :: file_ncdf ! fichier netcdf issue des fichiers .dat |
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| 73 | |
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| 74 | namelist/drag_param_beta_sedim/beta_slope,beta_expo,betamax,betamin,coef_ile,file_sedim,seuil_sedim,coef_sedim |
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| 75 | |
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| 76 | if (itracebug.eq.1) call tracebug(' dragging param avec sedim') |
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| 77 | |
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| 78 | |
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| 79 | ! formats pour les ecritures dans 42 |
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| 80 | 428 format(A) |
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| 81 | |
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| 82 | ! lecture des parametres du run block drag neff |
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| 83 | !-------------------------------------------------------------------- |
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| 84 | |
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| 85 | rewind(num_param) ! pour revenir au debut du fichier param_list.dat |
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| 86 | read(num_param,drag_param_beta_sedim) |
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| 87 | |
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| 88 | write(num_rep_42,428)'!___________________________________________________________' |
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| 89 | write(num_rep_42,428) '&drag_param_beta_sedim ! nom du bloc dragging param beta' |
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| 90 | write(num_rep_42,*) |
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| 91 | write(num_rep_42,*) 'beta_slope = ', beta_slope |
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| 92 | write(num_rep_42,*) 'beta_expo = ', beta_expo |
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| 93 | write(num_rep_42,*) 'betamax = ', betamax |
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| 94 | write(num_rep_42,*) 'betamin = ', betamin |
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| 95 | write(num_rep_42,*) 'file_sedim = ', file_sedim |
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| 96 | write(num_rep_42,*) 'seuil_sedim = ', seuil_sedim |
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| 97 | write(num_rep_42,*) 'coef_sedim = ', coef_sedim |
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| 98 | write(num_rep_42,*)'/' |
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| 99 | write(num_rep_42,428) '! Slope & expo of beta = - slope x Neff ** expo' |
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| 100 | write(num_rep_42,428) '! Where h_sedim > seuil_sedim, beta*coef_sedim' |
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| 101 | |
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| 102 | !------------------------------------------------------------------- |
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| 103 | ! masque stream |
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| 104 | mstream_mx(:,:)=1 |
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| 105 | mstream_my(:,:)=1 |
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| 106 | |
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| 107 | |
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| 108 | ! coefficient permettant de modifier le basal drag. |
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| 109 | drag_mx(:,:)=1. |
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| 110 | drag_my(:,:)=1. |
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| 111 | |
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| 112 | betamax_2d(:,:) = betamax |
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| 113 | |
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| 114 | ! modification of basal drag depends on where we have sediments |
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| 115 | ! for Antarctica, we assume that what is present-day below sea level has sediment |
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| 116 | file_sedim=trim(dirnameinp)//trim(file_sedim) |
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| 117 | call lect_input(1,'h_sedim',1,h_sedim(:,:),file_sedim,file_ncdf) |
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| 118 | |
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| 119 | h_sedimmx(1,:)=h_sedim(1,:) |
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| 120 | h_sedimmy(:,1)=h_sedim(:,1) |
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| 121 | do i=2,nx |
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| 122 | h_sedimmx(i,:)=(h_sedim(i-1,:)+h_sedim(i,:))/2. |
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| 123 | enddo |
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| 124 | do j=2,ny |
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| 125 | h_sedimmy(:,j)=(h_sedim(:,j-1)+h_sedim(:,j))/2. |
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| 126 | enddo |
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| 127 | |
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| 128 | return |
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| 129 | end subroutine init_dragging |
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| 130 | !________________________________________________________________________________ |
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| 131 | |
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| 132 | !> SUBROUTINE: dragging |
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| 133 | !! Defini la localisation des streams et le frottement basal |
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| 134 | !> |
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| 135 | !------------------------------------------------------------------------- |
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| 136 | subroutine dragging ! defini la localisation des streams et le frottement basal |
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| 137 | !$ USE OMP_LIB |
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| 138 | |
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| 139 | ! les iles n'ont pas de condition neff mais ont la condition toblim |
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| 140 | ! (ce bloc etait avant dans flottab) |
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| 141 | |
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| 142 | !$OMP PARALLEL |
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| 143 | !$OMP DO |
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| 144 | do j=2,ny |
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| 145 | do i=2,nx |
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| 146 | ilemx(i,j)=ilemx(i,j).and.(abs(rog*Hmx(i,j)*sdx(i,j)).lt.toblim) |
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| 147 | ilemy(i,j)=ilemy(i,j).and.(abs(rog*Hmy(i,j)*sdy(i,j)).lt.toblim) |
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| 148 | end do |
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| 149 | end do |
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| 150 | !$OMP END DO |
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| 151 | |
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| 152 | |
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| 153 | ! le gzmx initial a ete calculé dans flottab pour les points a cheval sur la grounding line |
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| 154 | |
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| 155 | |
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| 156 | !$OMP WORKSHARE |
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| 157 | fleuvemx(:,:)=.false. |
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| 158 | fleuvemy(:,:)=.false. |
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| 159 | cote(:,:)=.false. |
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| 160 | gzmx(:,:)=.true. |
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| 161 | gzmy(:,:)=.true. |
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| 162 | flgzmx(:,:)=.false. |
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| 163 | flgzmy(:,:)=.false. |
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| 164 | !$OMP END WORKSHARE |
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| 165 | |
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| 166 | ! detection des cotes |
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| 167 | !$OMP DO |
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| 168 | do j=2,ny-1 |
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| 169 | do i=2,nx-1 |
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| 170 | if ((.not.flot(i,j)).and. & |
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| 171 | ((flot(i+1,j)).or.(flot(i,j+1)).or.(flot(i-1,j)).or.(flot(i,j-1)))) then |
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| 172 | cote(i,j)=.true. |
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| 173 | endif |
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| 174 | end do |
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| 175 | end do |
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| 176 | !$OMP END DO |
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| 177 | |
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| 178 | ! calcul de neff (pression effective sur noeuds majeurs) |
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| 179 | if (sum(neffmx(:,:)).le.0.) neffmx(:,:) =1.e8 |
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| 180 | if (sum(neffmy(:,:)).le.0.) neffmy(:,:) =1.e8 |
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| 181 | |
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| 182 | !$OMP DO |
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| 183 | do j=1,ny-1 |
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| 184 | do i=1,nx-1 |
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| 185 | neff(i,j)=(neffmx(i,j)+neffmx(i+1,j)+neffmy(i,j)+neffmy(i,j+1))/4 |
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| 186 | enddo |
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| 187 | enddo |
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| 188 | !$OMP END DO |
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| 189 | !aurel, for the borders: |
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| 190 | !$OMP WORKSHARE |
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| 191 | neff(:,ny)=neffmin |
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| 192 | neff(nx,:)=neffmin |
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| 193 | ! calcul de hwat (staggered) |
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| 194 | hwatmx(:,:)=0. |
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| 195 | hwatmy(:,:)=0. |
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| 196 | !$OMP END WORKSHARE |
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| 197 | !$OMP DO |
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| 198 | do i=2,nx |
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| 199 | hwatmx(i,:)=(hwater(i-1,:)+hwater(i,:))/2. |
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| 200 | enddo |
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| 201 | !$OMP END DO |
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| 202 | !$OMP DO |
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| 203 | do j=2,ny |
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| 204 | hwatmy(:,j)=(hwater(:,j-1)+hwater(:,j))/2. |
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| 205 | enddo |
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| 206 | !$OMP END DO |
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| 207 | |
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| 208 | !$OMP WORKSHARE |
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| 209 | |
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[188] | 210 | where (h_sedimmx(:,:).le.seuil_sedim) |
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| 211 | betamx(:,:)= beta_slope*(neffmx(:,:)**beta_expo) |
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| 212 | elsewhere |
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| 213 | betamx(:,:)= beta_slope*(neffmx(:,:)**beta_expo) * coef_sedim |
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| 214 | endwhere |
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[172] | 215 | |
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[188] | 216 | where (h_sedimmy(:,:).le.seuil_sedim) |
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| 217 | betamy(:,:)= beta_slope*(neffmy(:,:)**beta_expo) |
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| 218 | elsewhere |
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| 219 | betamy(:,:)= beta_slope*(neffmy(:,:)**beta_expo) * coef_sedim |
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| 220 | endwhere |
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| 221 | !where (h_sedimmx(:,:).gt.seuil_sedim) betamx(:,:) = beta_slope*(neffmin**beta_expo)/neffmin |
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| 222 | !where (h_sedimmy(:,:).gt.seuil_sedim) betamy(:,:) = beta_slope*(neffmin**beta_expo)/neffmin |
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| 223 | |
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[172] | 224 | where (ilemx(:,:)) betamx(:,:) = betamx(:,:) * coef_ile |
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| 225 | where (ilemy(:,:)) betamy(:,:) = betamy(:,:) * coef_ile |
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| 226 | |
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| 227 | betamx(:,:)=max(betamx(:,:),betamin) |
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| 228 | betamy(:,:)=max(betamy(:,:),betamin) |
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| 229 | betamx(:,:)=min(betamx(:,:),betamax) |
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| 230 | betamy(:,:)=min(betamy(:,:),betamax) |
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| 231 | |
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| 232 | where ( hwatmx(:,:) .lt. 0.5 ) betamx(:,:) = betamax |
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| 233 | where ( hwatmy(:,:) .lt. 0.5 ) betamy(:,:) = betamax |
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| 234 | |
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| 235 | !$OMP END WORKSHARE |
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| 236 | |
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| 237 | |
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| 238 | ! calcul de gzmx |
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| 239 | |
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| 240 | ! points flottants : flgzmx mais pas gzmx |
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| 241 | !$OMP DO |
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| 242 | do j=2,ny |
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| 243 | do i=2,nx |
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| 244 | if (flot(i,j).and.(flot(i-1,j))) then |
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| 245 | flotmx(i,j)=.true. |
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| 246 | flgzmx(i,j)=.true. |
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| 247 | gzmx(i,j)=.false. |
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| 248 | betamx(i,j)=0. |
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| 249 | end if |
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| 250 | if (flot(i,j).and.(flot(i,j-1))) then |
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| 251 | flotmy(i,j)=.true. |
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| 252 | flgzmy(i,j)=.true. |
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| 253 | gzmy(i,j)=.false. |
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| 254 | betamy(i,j)=0. |
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| 255 | end if |
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| 256 | end do |
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| 257 | end do |
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| 258 | !$OMP END DO |
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| 259 | |
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| 260 | !--------- autres criteres |
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| 261 | |
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| 262 | ! points poses |
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| 263 | !$OMP WORKSHARE |
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| 264 | gzmx(:,:)=gzmx(:,:).and.(betamx(:,:).lt.betamax) ! Pas de calcul pour les points |
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| 265 | gzmy(:,:)=gzmy(:,:).and.(betamy(:,:).lt.betamax) ! au fort beta |
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| 266 | |
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| 267 | flgzmx(:,:) = flgzmx(:,:) .or. gzmx(:,:) |
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| 268 | flgzmy(:,:) = flgzmy(:,:) .or. gzmy(:,:) |
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| 269 | |
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| 270 | fleuvemx(:,:)=gzmx(:,:) |
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| 271 | fleuvemy(:,:)=gzmy(:,:) |
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| 272 | !$OMP END WORKSHARE |
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| 273 | |
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| 274 | !$OMP DO |
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| 275 | do j=2,ny-1 |
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| 276 | do i=2,nx-1 |
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| 277 | beta_centre(i,j) = ((betamx(i,j)+betamx(i+1,j)) & |
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| 278 | + (betamy(i,j)+betamy(i,j+1)))*0.25 |
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| 279 | end do |
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| 280 | end do |
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| 281 | !$OMP END DO |
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| 282 | !$OMP END PARALLEL |
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| 283 | |
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| 284 | return |
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| 285 | end subroutine dragging |
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| 286 | |
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| 287 | end module dragging_param_beta_sedim |
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| 288 | |
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