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	jmc	1.1	% 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);