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How to split a face?

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How to split a face?

Posted by Matthias Schnaithmann at September 11. 2012

Hi all together,

I am relatively new to Salome and I have a short question.

I want to split one face in two faces.

The background is the export of a mesh to openFOAM and here I need in this special face two boundary conditions. So I want to split it in two faces.

Is that possible and how can I do this?

Thanks in advance and best regards,

Matthias

Re: How to split a face?

Posted by Saint Michael at September 11. 2012

Hi Matthias

Use Operations / Partition for that.

St.Michael

Re: How to split a face?

Posted by Matthias Schnaithmann at September 11. 2012

Hi St.Michael,

thanks for the very quick answer.

I tried your advice and I got two faces in a new component. The problem I have, is that I can not add these faces to the "groups of faces" in my mesh. I can only use the faces/groups I created in my main shape. What am I doing wrong? Do you have another advice for this problem?

Best regards,

Matthias

Re: How to split a face?

Posted by Saint Michael at September 11. 2012

As far as I see you try to create a Group On Geometry which requires that the geometry to be a sub-shape extracted from the main shape using Explode or Create Group.

Nonetheless you can create a group of elements laying on your faces by creating a Group On Filter. Use "Belong to Geom" criterion with Threshold = your face, adjust Tolerance if not all elements are found.

St.Michael

Re: How to split a face?

Posted by Matthias Schnaithmann at September 11. 2012

Hi St.Michael,

thanks again for your quick answer.

I will try your advice!

And I found a workaround, that is not really nice, but it works. I create a compound out of my Geometry and the Partition and then it works the way I did it before with "Group on Geometry"

Best regards,

Matthias.

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