tutorial_deep_convection/input/gendata.m

% This is a matlab script that generates the input data

% Dimensions of grid
nx=64;
ny=64;
nz=20;
% Nominal depth of model (meters)
H=1000;
% Size of domain
Lx=3.2e3;
% Scale of disk (m)
L=10e3;
% Horizontal resolution (m)
dx=Lx/nx;
% Rotation
f=1e-4;
% Stratification
N=0. * f*L/H;
% Flux
Qo=800;

% 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
[sprintf('Tref =') sprintf(' %8.6g,',Tz*z-mean(Tz*z))]

% Surface heat flux
Q=Qo*(0.5+rand([nx,ny]));
r=sqrt(X.^2+Y.^2);
Q( find(r>L) )=0;
fid=fopen('Qsurface','w','b'); fwrite(fid,Q,'real*8'); fclose(fid);
1	% This is a matlab script that generates the input data
2
3	% Dimensions of grid
4	nx=64;
5	ny=64;
6	nz=20;
7	% Nominal depth of model (meters)
8	H=1000;
9	% Size of domain
10	Lx=3.2e3;
11	% Scale of disk (m)
12	L=10e3;
13	% Horizontal resolution (m)
14	dx=Lx/nx;
15	% Rotation
16	f=1e-4;
17	% Stratification
18	N=0. * f*L/H;
19	% Flux
20	Qo=800;
21
22	% Gravity
23	g=9.81;
24	% E.O.S.
25	alpha=2.e-4;
26
27	Tz=N^2/(g*alpha)
28
29	dz=H/nz;
30	sprintf('delZ = %d * %7.6g,',nz,dz)
31
32	x=(1:nx)*dx;x=x-mean(x);
33	y=(1:ny)*dx;y=y-mean(y);
34	z=-dz/2:-dz:-H;
35
36	[Y,X]=meshgrid(y,x);
37
38	% Temperature profile
39	[sprintf('Tref =') sprintf(' %8.6g,',Tzz-mean(Tzz))]
40
41	% Surface heat flux
42	Q=Qo*(0.5+rand([nx,ny]));
43	r=sqrt(X.^2+Y.^2);
44	Q( find(r>L) )=0;
45	fid=fopen('Qsurface','w','b'); fwrite(fid,Q,'real*8'); fclose(fid);