How do I mesh a matlab model

I am trying to mesh a geometry. The geometry was modelled on matlab. Most meshing examples on matlab involve importing of the geometry. How do I mesh a model that was made in matlab. The model code as well as the mesh code has been given below.

rect1=[3

4

-530

530

530

-530

0

0

-530

-530];

C1=[1

0

0

228.6];

C2=[1

0

0

520.5];

C1 = [C1;zeros(length(rect1) - length(C1),1)];

C2 = [C2;zeros(length(rect1) - length(C2),1)];

gd = [C1,C2,rect1];

ns = (char('C1','C2','rect1'));

ns = ns';

sf='(C2)-(C1+rect1)';

dl = decsg(gd,sf,ns);

model = createpde("thermal","transient");

ge = geometryFromEdges(model,dl);

% 2D -> 3D extrusion

gd1 = extrude(ge,96);

figure

pdegplot(gd1,"FaceLabels","on")

model = femodel(Geometry="gd1");

model = generateMesh(model,Hmax=5,Hmin=1);

pdemesh(model)

Answer 1

[sai charan sampara]

Hello

There need not be inverted commas over the geometry type in the line where "femodel" is defined. I have increased the "Hmax" value to decrease the run time of the code. The following code might help you:

rect1=[3
    4
    -530
    530
    530
    -530
    0
    0
    -530
    -530];
C1=[1
    0
    0
    228.6];
C2=[1
    0
    0
    520.5];
C1 = [C1;zeros(length(rect1) - length(C1),1)];
C2 = [C2;zeros(length(rect1) - length(C2),1)];
gd = [C1,C2,rect1];
ns = (char('C1','C2','rect1'));
ns = ns';
sf='(C2)-(C1+rect1)';
dl = decsg(gd,sf,ns);
model = createpde("thermal","transient");
ge = geometryFromEdges(model,dl);
% 2D -> 3D extrusion
gd1 = extrude(ge,96);
figure
pdegplot(gd1,"FaceLabels","on")

model = femodel(Geometry=gd1);
model = generateMesh(model,Hmax=50,Hmin=1);
pdemesh(model)