| 1 |
|
| 2 |
Dw=zeros(Nx,Ny,Nz); |
| 3 |
|
| 4 |
dz=-abs(dz); |
| 5 |
|
| 6 |
Dw(:,:,2:Nz-1)=D(:,:,2:Nz-1)*2*dz./(meantheta(:,:,3:Nz)-meantheta(:,:,1:Nz-2)); |
| 7 |
i=find(meantheta(:,:,3:Nz)==meantheta(:,:,1:Nz-2)); |
| 8 |
Dw(i)=0; |
| 9 |
|
| 10 |
%t0=input('Enter temperature : ') |
| 11 |
t0=0.5*(max(max(max(meantheta)))+min(min(min(meantheta(1:Nx-1,1:Ny-1,1:Nz-1))))); |
| 12 |
|
| 13 |
% Interpolate Dw on T=T0 surface |
| 14 |
|
| 15 |
h=zeros(Nx,Ny); |
| 16 |
Dh=zeros(Nx,Ny); |
| 17 |
dz=abs(dz); |
| 18 |
|
| 19 |
meantheta(:,:,Nz)=0.; |
| 20 |
for i=1:Nx |
| 21 |
for j=1:Ny |
| 22 |
kk=find(meantheta(i,j,:)<t0); |
| 23 |
|
| 24 |
if kk(1)>1 |
| 25 |
h(i,j)=(kk(1)-1)*dz+dz*(meantheta(i,j,kk(1)-1)-t0)/(meantheta(i,j,kk(1)-1)-meantheta(i,j,kk(1))); |
| 26 |
Dh(i,j)=Dw(i,j,kk(1)-1) ... |
| 27 |
+(Dw(i,j,kk(1))-Dw(i,j,kk(1)-1)) ... |
| 28 |
*(meantheta(i,j,kk(1)-1)-t0)/(meantheta(i,j,kk(1)-1)-meantheta(i,j,kk(1))); |
| 29 |
else |
| 30 |
h(i,j)=0; |
| 31 |
Dh(i,j)=0; |
| 32 |
end |
| 33 |
|
| 34 |
end |
| 35 |
end |
| 36 |
|
| 37 |
hmax=max(max(h)) |
| 38 |
|
| 39 |
figure |
| 40 |
|
| 41 |
pcolor(Dh.');shading flat; colorbar; axis square |
| 42 |
% title('mean Wstar'); |
| 43 |
% title(['mean Wstar from ' num2str(eval(itstart)) ' to 'num2str(eval(itend)) ' level of t=' num2str(t0) ]); |
| 44 |
|
| 45 |
figure |
| 46 |
|
| 47 |
pcolor(h.');shading flat; colorbar; axis square |
| 48 |
|
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