timour_matlab/mscripts/uchangeevolution.m

clear 
clear path 
whos
global Nx Ny Nz
global lat long dz dm mdep
global delt_su su_its t_su delt
global descriptor this_path
global f deltaf Q beta r_expt r_heat H
global time rots it
global g Cp rho_bar alpha
global w3d
global iterations


param_file_name =   ...
   input(' Please enter the name of the m-file with the parameters for this run : ','s') ;
feval(param_file_name) ;
path   = this_path 
cmdstr=['cd ' path ];
eval(cmdstr);
path=pwd

figure;hold on

sizeit=size(iterations);

ufilename=(['U.' iterations((1),1:10) ]);
vfilename=(['V.' iterations((1),1:10) ]);
uold=rdmeta(ufilename,'b');
vold=rdmeta(vfilename,'b');
for i=2:sizeit(1)
ufilename=(['U.' iterations((i),1:10) ]);
vfilename=(['V.' iterations((i),1:10) ]);
unew=rdmeta(ufilename,'b');
vnew=rdmeta(vfilename,'b');
udif=(unew-uold).^2;
vdif=(vnew-vold).^2;
uold=unew;
vold=vnew;
timeu(i)=sum(sum(sum(udif+vdif)));
plot(eval(iterations((i),1:10)),timeu(i),'o');drawnow
end

title(descriptor)
xlabel('timestep')
ylabel('change in velocity')
grid

1	edhill	1.1	clear
2			clear path
3			whos
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 w3d
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			path = this_path
19			cmdstr=['cd ' path ];
20			eval(cmdstr);
21			path=pwd
22
23			figure;hold on
24
25			sizeit=size(iterations);
26
27			ufilename=(['U.' iterations((1),1:10) ]);
28			vfilename=(['V.' iterations((1),1:10) ]);
29			uold=rdmeta(ufilename,'b');
30			vold=rdmeta(vfilename,'b');
31			for i=2:sizeit(1)
32			ufilename=(['U.' iterations((i),1:10) ]);
33			vfilename=(['V.' iterations((i),1:10) ]);
34			unew=rdmeta(ufilename,'b');
35			vnew=rdmeta(vfilename,'b');
36			udif=(unew-uold).^2;
37			vdif=(vnew-vold).^2;
38			uold=unew;
39			vold=vnew;
40			timeu(i)=sum(sum(sum(udif+vdif)));
41			plot(eval(iterations((i),1:10)),timeu(i),'o');drawnow
42			end
43
44			title(descriptor)
45			xlabel('timestep')
46			ylabel('change in velocity')
47			grid
48