Re: [ff3d-users] running an example: temperature.ff

[Arun Viswanathan]

Hi Stephane, thank you very much for your replies. I shall implement the changes later today. You have asked me to use "mesh T = tetrahedrize(M);", should this be done soon after "mesh M = (n,a,b);" ??  Meaning, first create the mesh and then tetrahedrize it?!

 

About OpenDX, does fem3d now recognize OpenDX visuals? I tried saving the meshes in opendx format, but never got it to run on dx. Also, if I remember right, you had suggested to me once earlier to use medit instead of OpenDX since OpenDX was either not yet implemented on ff3d or wasn't tested enough. Please do correct me if I am wrong.

 

Thanks, best regards,

Arun.

Stephane Del Pino <address@hidden> wrote:

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> Le mercredi 23 Juin 2004 02:35, Arun Viswanathan a écrit :
> > Hello all,
> >
> > I am facing a problem understanding the mesh that I
> > obtain. So I tried running the temperature.ff example
> > given. First of all, there was an error when I tried
> > to run it: "No cell has reference that matches (2)!".
> > So I tried making the mesh finer but it still didn't
> > work. So I just commented out the boundary condition
> > that referred to this figure (2).
>
> Thank you for the report, I will fix the examples when I have time... This 
> week-end hopefully...
>
> > When I ran the program after making the above change,
> > I got a mesh showing maximum temperatures at 2 corners
> > of the box. Now, I might be thinking wrong, but
> > shouldn't the result show me maximum
>  concentrations at
> > the 1 box that is inside the bigger box, and then
> > spreading out from there??
> All parameters are quite stupid, I never tested this file before, I will 
> explain why it does not work at all, when I will fixed it.
>
> > The concentrations that I see are only iso-lines (on
> > the surface of the figure). How could I view the
> > temperature lines within the geometry too?
> Medit does not manage very well meshes of hexahedra, so consider using OpenDx, 
> or the following command:
> mesh T = tetrahedrize(M);
> And then save your data using the mesh T which is built of tetrahedra and then 
> convinient to Medit. [I know the doc should mension all this, but time is 
> very difficult to find :-(]
>
> Best regards,
> Stephane.
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