climode_work_with_jj/3d_gendata/gendata.m

% This is a matlab script that generates the input data

% Dimensions of grid
nx=80;
ny=42;
nz=8;
% Nominal depth of model (meters)
H=4500;
% Scale of bump (m)
L=25e3;
% Height of bump (m)
dh=0.90*H;
% Horizontal resolution (m)
dx=5e3;
% Rotation
f=1e-4;
% Stratification
N=1.5 * f*L/H;

% Gravity
g=9.81;
% E.O.S.
alpha=2.e-4;

Tz=N^2/(g*alpha)

dz=H/nz;
sprintf('delZ = %d * %7.6g,',nz,dz)

x=(1:nx)*dx;x=x-mean(x);
y=(1:ny)*dx;y=y-mean(y);
z=-dz/2:-dz:-H;

[Y,X]=meshgrid(y,x);

% Temperature profile
phi=sprintf(' %8.6g',Tz*z-mean(Tz*z));
Tref=str2num(phi);
[sprintf('Tref =') sprintf(' %8.6g,',Tz*z-mean(Tz*z))]

ieee='b';
accuracy='real*8';

% Create three dimensional temperature profile
t3d=zeros(nx,ny,nz);
for k=1:nz
 t3d(:,:,k)=Tref(k);
end
fid=fopen('theta.bin','w',ieee); fwrite(fid,t3d,accuracy); fclose(fid);

% Gaussian bump
h=-H+dh*exp( -(X.^2+Y.^2)/(2*(L^2)) );
fid=fopen('topog.bump','w',ieee); fwrite(fid,h,accuracy); fclose(fid);

% Side walls + bump
h(:,1)=0;
h(:,ny)=0;
fid=fopen('topog.bumpchannel','w',ieee); fwrite(fid,h,accuracy); fclose(fid);

% Simple channel
h(:,1)=0;
h(:,2:ny-1)=-H;
h(:,ny)=0;
fid=fopen('topog.channel','w',ieee); fwrite(fid,h,accuracy); fclose(fid);
1	% This is a matlab script that generates the input data
2
3	% Dimensions of grid
4	nx=80;
5	ny=42;
6	nz=8;
7	% Nominal depth of model (meters)
8	H=4500;
9	% Scale of bump (m)
10	L=25e3;
11	% Height of bump (m)
12	dh=0.90*H;
13	% Horizontal resolution (m)
14	dx=5e3;
15	% Rotation
16	f=1e-4;
17	% Stratification
18	N=1.5 * f*L/H;
19
20	% Gravity
21	g=9.81;
22	% E.O.S.
23	alpha=2.e-4;
24
25	Tz=N^2/(g*alpha)
26
27	dz=H/nz;
28	sprintf('delZ = %d * %7.6g,',nz,dz)
29
30	x=(1:nx)*dx;x=x-mean(x);
31	y=(1:ny)*dx;y=y-mean(y);
32	z=-dz/2:-dz:-H;
33
34	[Y,X]=meshgrid(y,x);
35
36	% Temperature profile
37	phi=sprintf(' %8.6g',Tzz-mean(Tzz));
38	Tref=str2num(phi);
39	[sprintf('Tref =') sprintf(' %8.6g,',Tzz-mean(Tzz))]
40
41	ieee='b';
42	accuracy='real*8';
43
44	% Create three dimensional temperature profile
45	t3d=zeros(nx,ny,nz);
46	for k=1:nz
47	t3d(:,:,k)=Tref(k);
48	end
49	fid=fopen('theta.bin','w',ieee); fwrite(fid,t3d,accuracy); fclose(fid);
50
51	% Gaussian bump
52	h=-H+dhexp( -(X.^2+Y.^2)/(2(L^2)) );
53	fid=fopen('topog.bump','w',ieee); fwrite(fid,h,accuracy); fclose(fid);
54
55	% Side walls + bump
56	h(:,1)=0;
57	h(:,ny)=0;
58	fid=fopen('topog.bumpchannel','w',ieee); fwrite(fid,h,accuracy); fclose(fid);
59
60	% Simple channel
61	h(:,1)=0;
62	h(:,2:ny-1)=-H;
63	h(:,ny)=0;
64	fid=fopen('topog.channel','w',ieee); fwrite(fid,h,accuracy); fclose(fid);