[Gmsh] Radial Extrude

["José M. Sancho"]

I need to “extrude” the Ruled Surface{1} along the radial direction to obtain a volume and then recombine the top and sides plane surfaces to have prism elements with triangular base in the curved surfaces

I know that Extrude command does not allow the radial extrude. Any suggestion ?
 

r1 = 2.0;
h =  0.2;

Point(1) = {0.0, 0.0, 0.0};
Point(2) = {r1, 0.0, 0.0};
Point(3) = {0.0, r1, 0.0};

Circle(1) = {2,1,3};

Point(4) = {0.0, 0.0, h};
Point(5) = {r1, 0.0, h};
Point(6) = {0.0, r1, h};

Circle(2) = {5,4,6};

Line(3)   = {2,5};
Line(4)   = {6,3};

Line Loop(1) = {-1,3,2,4};
Ruled Surface(1) = {1};

Transfinite Line{1,2} = 6;
Transfinite Line{3,4} = 3;

Transfinite Surface{1};


===========================
José María Sancho Aznal
Catedrático de Universidad
ETS de Arquitectura
Avda. Juan de Herrera 4
28040 Madrid, Spain
email: jose.sancho at upm.es
===========================




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