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edhill |
1.1 |
function pvmean( iter ) |
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clear |
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clear path |
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global Nx Ny Nz |
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global lat long dz dm mdep |
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global delt_su su_its t_su delt |
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global descriptor this_path |
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global f deltaf Q beta r_expt r_heat H |
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global time rots it |
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global g Cp rho_bar alpha |
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global u v t w |
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global iterations |
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param_file_name = ... |
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input(' Please enter the name of the m-file with the parameters for this run : ','s') ; |
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feval(param_file_name) ; |
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iterations |
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itstart = input(' Please enter start iteration : ','s') |
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itend = input(' Please enter end iteration : ','s') |
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sizeit=size(iterations); |
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for i=1:sizeit(1) |
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iter(i)=eval(iterations(i,1:10)); |
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end |
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nitstart=find(iter==eval(itstart)) |
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nitend=find(iter==eval(itend)) |
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path = this_path |
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cmdstr=['cd ' path ]; |
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eval(cmdstr); |
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path=pwd |
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sumtheta=zeros(Nx,Ny,Nz); |
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sumu=zeros(Nx,Ny,Nz); |
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sumv=zeros(Nx,Ny,Nz); |
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counter=0; |
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for i=nitstart:nitend |
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tfilename=(['T.' iterations((i),1:10) ]) ; |
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t=rdmds(tfilename,'b'); |
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ufilename=(['U.' iterations((i),1:10) ]) ; |
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u=rdmds(ufilename,'b'); |
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vfilename=(['V.' iterations((i),1:10) ]) ; |
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v=rdmds(vfilename,'b'); |
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sumtheta=sumtheta+t; |
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sumu=sumu+u; |
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sumv=sumv+v; |
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counter=counter+1; |
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end |
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meantheta=sumtheta/counter; |
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meanu=sumu/counter; |
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meanv=sumv/counter; |
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pv=zeros(Nx,Ny,Nz); |
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ff=zeros(Nx,Ny,Nz); |
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dx=dm; |
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dy=dm; |
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for j=1:Ny |
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ff(:,j,:)=f+(j-1)*dy*beta; |
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end |
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pv(1:Nx-1,1:Ny-1,1:Nz-1)=(meanv(2:Nx,1:Ny-1,1:Nz-1)/dx -meanv(1:Nx-1,1:Ny-1,1:Nz-1)/dx ... |
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-meanu(1:Nx-1,2:Ny,1:Nz-1)/dy +meanu(1:Nx-1,1:Ny-1,1:Nz-1)/dy ... |
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+ff(1:Nx-1,1:Ny-1,1:Nz-1)) ... |
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.*(meantheta(1:Nx-1,1:Ny-1,1:Nz-1)-meantheta(1:Nx-1,1:Ny-1,2:Nz))/dz; |
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t0=input('Enter temperature : ') |
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% Interpolate PV on T=T0 surface |
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h=zeros(Nx,Ny); |
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pvh=zeros(Nx,Ny); |
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meantheta(:,:,Nz)=0.; |
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for i=1:Nx |
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for j=1:Ny |
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kk=find(meantheta(i,j,:)<t0); |
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if kk(1)>1 |
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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))); |
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pvh(i,j)=pv(i,j,kk(1)-1) ... |
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+(pv(i,j,kk(1))-pv(i,j,kk(1)-1)) ... |
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*(meantheta(i,j,kk(1)-1)-t0)/(meantheta(i,j,kk(1)-1)-meantheta(i,j,kk(1))); |
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else |
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h(i,j)=0; |
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pvh(i,j)=0; |
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end |
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end |
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end |
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hmax=max(max(h)) |
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pcolor(pvh.');shading flat; colorbar; axis square |
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title(['mean PV from ' num2str(eval(itstart)) ' to 'num2str(eval(itend)) ' level of t=' num2str(t0) ]); |
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drawnow |
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figure |
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pcolor(squeeze(ff(:,:,2)).');shading flat; colorbar; axis square |
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drawnow |
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pcolor(h.');shading flat; colorbar; axis square |
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%pcolor(flipud(h.'));shading flat; colorbar; axis square |
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title(['mean H from ' num2str(eval(itstart)) ' to 'num2str(eval(itend)) ' level of t=' num2str(t0) ]); |
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drawnow |
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return |
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