Last change
on this file since 70 was
70,
checked in by berrada, 13 years ago
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fusion mb-branche dans tronc
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Property svn:eol-style set to
native
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File size:
1.3 KB
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[59] | 1 | |
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| 2 | /*************************************************************************** |
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| 3 | module classe zwy_zfil.h - description |
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| 4 | ***************************************************************************/ |
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| 5 | // Mohamed Berrada |
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| 6 | // locean-ipsl.upmc, Paris, July 21, 2011 |
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| 7 | //=========================================================================== |
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| 8 | // methode forward |
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| 9 | forward (YREAL x1,YREAL x2) |
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| 10 | { /* 1 from dta_zfil 1 i j k-1 t-1 |
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| 11 | 2 from dta_zfil 1 i j k t-1 */ |
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| 12 | |
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| 13 | //! first vertical derivative (gradient) |
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| 14 | |
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| 15 | if(Yt==1){ |
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| 16 | YS1=0.; |
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| 17 | } |
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| 18 | else{ |
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| 19 | if(Yi==0 || Yi==NX-1 || Yj==0 || Yj==NY-1 || Yk==NZ-1){ |
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| 20 | YS1=0.; |
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| 21 | } |
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| 22 | else{ |
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| 23 | double zave3r = 1.e0 / fse3w(Yi,Yj,Yk); //! 1 sur le pas veritcal au point w (Arakawa mesh) |
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| 24 | YS1 = avt_fil * ( x1 - x2) * zave3r; |
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| 25 | } |
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| 26 | } |
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| 27 | // |
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| 28 | } |
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| 29 | |
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| 30 | //=========================================================================== |
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| 31 | // methode backward |
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| 32 | |
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| 33 | backward (YREAL x1,YREAL x2) |
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| 34 | { |
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| 35 | YJ1I1=0.; YJ1I2=0.; |
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| 36 | |
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| 37 | if(Yt==1){ |
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| 38 | YJ1I1=0.; YJ1I2=0.; |
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| 39 | } |
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| 40 | else{ |
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| 41 | if(Yi==0 || Yi==NX-1 || Yj==0 || Yj==NY-1 || Yk==NZ-1){ |
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| 42 | YJ1I1=0.; YJ1I2=0.; |
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| 43 | } |
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| 44 | else{ |
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| 45 | double zave3r = 1.e0 / fse3w(Yi,Yj,Yk); //! 1 sur le pas veritcal au point w (Arakawa mesh) |
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| 46 | YJ1I1=avt_fil*zave3r; YJ1I2=-avt_fil*zave3r; |
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| 47 | } |
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| 48 | } |
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| 49 | // |
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| 50 | |
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| 51 | } |
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