1 | SUBROUTINE coefdifv( np,nlev, |
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2 | $ pu,pv,ph,pphi, |
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3 | $ pcdzv,pcdzh) |
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4 | USE constlim |
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5 | IMPLICIT NONE |
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6 | |
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7 | c======================================================================= |
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8 | c |
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9 | c calcul des coeficients de la diffusion verticale |
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10 | c |
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11 | c======================================================================= |
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12 | c |
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13 | c----------------------------------------------------------------------- |
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14 | c Declarations: |
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15 | c ------------- |
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16 | |
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17 | #include "dimensions.h" |
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18 | #include "comcstfi.h" |
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19 | |
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20 | c Arguments: |
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21 | c ---------- |
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22 | |
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23 | INTEGER np,nlev |
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24 | REAL pu(np,nlev),pv(np,nlev) |
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25 | REAL ph(np,nlev),pphi(np,nlev) |
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26 | REAL pcdzv(np,nlev),pcdzh(np,nlev) |
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27 | |
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28 | c Local: |
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29 | c ------ |
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30 | |
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31 | INTEGER ilev,ip |
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32 | REAL z1(np),z2(np) |
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33 | REAL z1odz(np),zdzu2(np),zhbar(np) |
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34 | |
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35 | c----------------------------------------------------------------------- |
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36 | c initialisations: |
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37 | c ---------------- |
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38 | |
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39 | c----------------------------------------------------------------------- |
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40 | c couche de surface: |
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41 | c ------------------ |
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42 | |
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43 | DO 210 ip=1,np |
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44 | z1(ip)=pu(ip,1)*pu(ip,1)+pv(ip,1)*pv(ip,1) |
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45 | pcdzv(ip,1)=dgcdrag(ip)*(SQRT(z1(ip))+1.) / ph(ip,1) |
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46 | pcdzh(ip,1)=pcdzv(ip,1) |
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47 | 210 CONTINUE |
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48 | c |
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49 | c |
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50 | c----------------------------------------------------------------------- |
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51 | c autres couches: |
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52 | c --------------- |
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53 | |
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54 | PRINT*,'Coeff k' |
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55 | DO 310 ilev=1,nlev-1 |
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56 | DO 320 ip=1,np |
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57 | z1(ip)=pu(ip,ilev+1)-pu(ip,ilev) |
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58 | z2(ip)=pv(ip,ilev+1)-pv(ip,ilev) |
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59 | z1(ip)=z1(ip)*z1(ip)+z2(ip)*z2(ip) |
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60 | z1odz(ip)=g/(pphi(ip,ilev+1)-pphi(ip,ilev)) |
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61 | zdzu2(ip)=z1(ip)*z1odz(ip)*z1odz(ip) |
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62 | zhbar(ip)=0.5*(ph(ip,ilev)+ph(ip,ilev+1)) |
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63 | z1(ip)=( (ph(ip,ilev+1)-ph(ip,ilev))*z1odz(ip)- |
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64 | $ cpgam ) * ccdzh/zhbar(ip) |
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65 | pcdzv(ip,ilev+1)=cdzconst(ilev+1)* |
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66 | $ SQRT(AMAX1(zdzu2(ip)-z1(ip),cdzmin)) / |
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67 | c $ SQRT(cdzmin) / |
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68 | $ (zhbar(ip)*zhbar(ip)) |
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69 | IF(ip.eq.np/2+1) PRINT*,lmixmin*lmixmin* |
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70 | s SQRT(AMAX1(zdzu2(ip)-z1(ip),cdzmin)) |
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71 | pcdzh(ip,ilev+1)=pcdzv(ip,ilev+1) |
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72 | 320 CONTINUE |
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73 | 310 CONTINUE |
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74 | |
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75 | c----------------------------------------------------------------------- |
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76 | |
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77 | RETURN |
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78 | END |
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