/[MITgcm]/MITgcm_contrib/timour_matlab/mscripts/meanw1.m
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Revision 1.1 - (hide annotations) (download)
Wed Sep 3 21:22:22 2003 UTC (21 years, 10 months ago) by edhill
Branch: MAIN
CVS Tags: HEAD
initial checkin of Timour's MatLAB scripts

1 edhill 1.1 %clear
2     clear path
3    
4     global Nx Ny Nz
5     global lat long dz dm mdep
6     global delt_su su_its t_su delt
7     global descriptor this_path
8     global f deltaf Q beta r_expt r_heat H
9     global time rots it
10     global g Cp rho_bar alpha
11     global u v t w
12     global iterations
13    
14    
15     param_file_name = ...
16     input(' Please enter the name of the m-file with the parameters for this run : ','s') ;
17     feval(param_file_name) ;
18    
19     iterations
20    
21     itstart = input(' Please enter start iteration : ','s')
22     itend = input(' Please enter end iteration : ','s')
23    
24    
25     sizeit=size(iterations);
26     for i=1:sizeit(1)
27     iter(i)=eval(iterations(i,1:10));
28     end
29     nitstart=find(iter==eval(itstart))
30     nitend=find(iter==eval(itend))
31    
32     path = this_path
33     cmdstr=['cd ' path ];
34     eval(cmdstr);
35     path=pwd
36    
37     sumw=zeros(Nx,Ny,Nz);
38     counter=0;
39    
40     for i=nitstart:nitend
41     ufilename=(['U.' iterations((i),1:10) ]) ;
42     vfilename=(['V.' iterations((i),1:10) ]) ;
43     wfilename=(['W.' iterations((i),1:10) ]) ;
44     u=rdmds(ufilename,'b');
45     v=rdmds(vfilename,'b');
46     w=rdmds(wfilename,'b');
47     %w=zeros(Nx,Ny,Nz+1);
48     %dx=dm;
49     %dy=dm;
50     %
51     %for k=Nz:-1:1,
52     % w(1:Nx-1,1:Ny-1,k)= w(1:Nx-1,1:Ny-1,k+1)...
53     % -u(2:Nx,1:Ny-1,k)*dz/dx +u(1:Nx-1,1:Ny-1,k)*dz/dx ...
54     % -v(1:Nx-1,2:Ny,k)*dz/dy +v(1:Nx-1,1:Ny-1,k)*dz/dy ;
55     %end
56     sumw=sumw+w;
57     counter=counter+1;
58     end
59     meanw=sumw/counter;
60    
61     cmin=-1.e-4;
62     cmax=1.e-4,
63     V=[cmin cmax];
64    
65     title='mean vertical velocity at the 4th level from the top';
66     imagesc(lat,long,squeeze(meanw(:,:,4))');shading flat;axis image;caxis(V);colorbar('horizontal');
67     set(gca,'ydir','norm')
68     text(0,-30,descriptor);
69     text(0,140,title);
70     text(0,-20,'timestep');text(50,-20,num2str(it))
71    
72     figure
73    
74     meanw=smooth3(meanw);
75     meanw=smooth3(meanw);
76     meanw=smooth3(meanw);
77     meanw=smooth3(meanw);
78     meanw=smooth3(meanw);
79     meanw=smooth3(meanw);
80     meanw=smooth3(meanw);
81     meanw=smooth3(meanw);
82     meanw=smooth3(meanw);
83     meanw=smooth3(meanw);
84     cmin=-1.e-4;
85     cmax=1.e-4,
86     V=[cmin cmax];
87    
88     title='mean vertical velocity at the 4th level from the top';
89     imagesc(lat,long,squeeze(meanw(:,:,4))');shading flat;axis image;caxis(V);colorbar('horizontal');
90     set(gca,'ydir','norm')
91     text(0,-30,descriptor);
92     text(0,140,title);
93     text(0,-20,'timestep');text(50,-20,num2str(it))
94    

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