[Gmsh] Optimize tetrahedral meshes

[Yang Liu]

Hi, Dave,
Thanks for your reply.
The input is a msh file (vertices + tetrahedrons).
I thought Gmsh may flip some edges/faces to enhance the quality.
I will try my own approach to improve them.

Best,
Yang

On Mon, Nov 30, 2009 at 7:30 AM, David Colignon
<David.Colignon at ulg.ac.be> wrote:
> Hi Yang,
>
> what was the format of your original mesh file ?
>
> Anyway, Gmsh is not able to remesh or optimize an imported mesh, it need the
> original geometry to do so.
>
> Regards,
>
> Dave
>
> --
> David Colignon, Ph.D.
> Collaborateur Logistique du F.R.S.-FNRS
> CÉCI - Consortium des Équipements de Calcul Intensif
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> Université de Liège
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>
> On 30/11/09 0:39, Yang Liu wrote:
>>
>> Hello,
>>
>> I am a new user of Gmsh.  I am trying to use Gmsh to optimize
>> tetrahedral meshes.
>> The quality of my tet meshes are not bad but they have some slivers.
>> I loaded them into Gmsh (version. 2.4.2 / 2.4.3 in windows) and click
>> the button "optimize" / "optimize by netgen",
>> I also checked "Optimize quality of tetrahedra" ),
>> but there is no change of my mesh (I have exported the result and
>> compared to my original mesh) and tried different inputs.
>>
>> So my questions are:
>> 1. Is my operation wrong ?
>> 2. Is it possible to adjust some parameters to control optimize function.
>>
>> Thanks in advance,
>>
>> Yang
>>
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>
>