[Gmsh] How to use the plugin crack from the command line

Christophe Geuzaine cgeuzaine at uliege.be
Tue May 5 15:57:11 CEST 2020

> On 4 May 2020, at 23:04, Rosicley Júnio Rodrigues Rosa <rosicley at usp.br> wrote:
> Hello, 
> I'm a Master student and I use Gmsh to solve fracture mechanic problems. From the interactive mode, I have used the plugin crack to generate a crack in a surface, but I need to use this plugin from the command line. Is it possible? 
> I usually use the script bellow:
>      gmsh -2 -clscale 1.0 temp.geo -o temp.msh -algo auto -order 3
> I tried to add the following lines to the temp.geo file, but it didn't work.
>      Plugin(Crack).Dimension = 1;
>      Plugin(Crack).PhysicalGroup = 11;
>      Plugin(Crack).Run;
> What can I do to solve this problem?

Here's an example:

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> Thank you for your help. 
> Best regards, 
> Rosicley 
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Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 

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