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Re: 2d mesh refinement

Posted by Susan Tully at April 16. 2013

Hello all,

 

I am learning to use Salome and wish to creat a simple 2d mesh that consists of a 1.5m by 0.8m rectanglar face. I have attached a screenshot of what I mean -  I wish to use an H-grid to mesh a small 0.08m square at its center, transforming to an O-grid out to a radius of 0.3m from the center (the disk). I am struggling to even set up the geometry such that I can select the relevant parts/edges for setting up meshing hypotheses.

 

I tried simple drawing the 2d shapes (channel,disk,hGrid) and then creating a face from them - but it cuts out the disk

 

I tried creating individual faces cut out from each other and grouping them but it doesnt let me do this (from what I have now read "group" allows you to select subshapes of a shape not add non-overlapping shapes together)

 

I tried grouping the 3 overlapping shapes but that doesnt seem to work either :-S

 

I am guessing I am going abou tthis the completely wrong way and if anyone could shed some light on how I do this that would be great!

 

best regards

 

Susan

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Re: 2d mesh refinement

Posted by Susan Tully at April 16. 2013

Aaah, I have figured it out. I need to use compound and then partition.

 

thanks

 

Susan

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