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	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