[ff3d-users] Re: Povray geometry

[Denis Gueyffier]

Thanks Stephane, this helps a lot.
Is there any way to get a smoother tetrahedrization of the sinusoidal 
surface?
I get many sharp angles instead of a smooth surface, see
http://www.cims.nyu.edu/~ddg5/wave.png

Thanks,

Denis Gueyffier
Courant Institute

> Dear Denis.
>
> It is true that ff3d's POVRay interpreter is far to be complete, but in your 
> case, you can define an analytic domain. Here is an example :
>
> --------------------------
> vector a = (-1,-0.5,-1);
> vector b = (1,1,1);
> vector n = (20,20,20);
>
> mesh m = structured(n,a,b);
>
> double pi = acos(-1);
> domain D = domain(y<0.1*sin(4*pi*x));
>
> mesh s = surface(D,m);
> solve(u) in D by m
> {
>  pde(u)
>    -div(grad(u))=1;
>    u = 0 on s;
>    u = 1 on m xmin;
> }
>
> mesh t = tetrahedrize(D,m);
> save(vtk,"u",u,t);
> --------------------------
>
> Best regards,
> Stéphane.
>
>
>
>
>
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> End of ff3d-users Digest, Vol 34, Issue 2
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