[Gmsh] build conformal mesh from STEP file using only the GUI

[Zenker, Dr. Matthias]

Thank you, it works! I just didn’t see it since I expected this menu entry to be on a higher level in the tree…
I agree that scripting a .geo file is often better, especially if you don’t mind to “program” your workflow, and if automation and reproducibility is an issue.
Here I want to demonstrate the workflow to a colleague who is used to work with a GUI (e.g. a CAD system), so I prefer to start by using the GUI. He can always move to .geo scripts if he likes…

Matthias

Von: Max Orok [mailto:morok at mevex.com]
Gesendet: Dienstag, 25. September 2018 13:37
An: Zenker, Dr. Matthias; gmsh at onelab.info
Betreff: Re: [Gmsh] build conformal mesh from STEP file using only the GUI

Hello Matthias,

Both of those commands are under the Geometry -> Elementary entities menu.

[image.png]
While the GUI is very nice, I personally prefer using a geo file and opening it in the GUI, since it is a bit more reproducible for tricky models.

Sincerely,
Max

On Tue, Sep 25, 2018 at 5:28 AM Zenker, Dr. Matthias <Matthias.Zenker at erbe-med.com<mailto:Matthias.Zenker at erbe-med.com>> wrote:
Hi,

I have a simple question and apologize if this has been answered before – I didn’t find the answer in the archive or the gmsh manual.

I want to do the following using the gmsh GUI:


1.       Import a STEP file containing several bodies

2.       remove duplicate entities, i.e. the duplicated interface(s) between the bodies

3.       make a conformal 3D mesh, i.e. adjacent bodies should be connected so that heat can flow between them.

This can be achieved with commands in a geo file, invoking the OpenCASCADE toolbox and the coherence command.
Can it also be done using only the GUI? More specifically, how do I invoke the OpenCASCADE toolbox from the GUI?

Thanks for helpful hints.

Matthias
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