[snappyHexMesh] Creating stl file for snappyHexMesh from xyz coordinates

Vignesh2508 · April 19, 2017, 14:40

Hello Guys,

I have to generate a stl file for sHM. I have xyz coordinates for the model. Right now I wrote a code in gmsh to generate a geo file and then convert that into stl file. But that code generates a whole solid stl file. And that has a huge size which is unnecessary for me since it is only used for snapping the profile in sHM and I am going to use the stl file in sHM to do an external flow analysis. A simple thin sheet like extrusion will be enough for my simulation, which will also save a lot of file size. Is there a way to do that?

Thanks

Vicky

KaLium · April 25, 2017, 05:51

https://sites.google.com/site/snappy...efined-regions

does the searchableBox work for your case?

edit: *not a stl, but you can define walls with 'user defined regions'

Vignesh2508 · April 25, 2017, 08:43

Hi Kal,

I know the feature that you mentioned. My geometry is complex therefore i need the stl file.

Anyway thanks

Vicky

April 19, 2017, 14:40	Creating stl file for snappyHexMesh from xyz coordinates	#1
Vignesh2508 Member Vignesh Rajendiran Join Date: Aug 2016 Location: Chennai, India Posts: 62 Rep Power: 9	Hello Guys, I have to generate a stl file for sHM. I have xyz coordinates for the model. Right now I wrote a code in gmsh to generate a geo file and then convert that into stl file. But that code generates a whole solid stl file. And that has a huge size which is unnecessary for me since it is only used for snapping the profile in sHM and I am going to use the stl file in sHM to do an external flow analysis. A simple thin sheet like extrusion will be enough for my simulation, which will also save a lot of file size. Is there a way to do that? Thanks Vicky

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April 25, 2017, 05:51		#2
KaLium Senior Member Kal-El Join Date: Apr 2017 Location: Finland Posts: 150 Rep Power: 8	https://sites.google.com/site/snappy...efined-regions does the searchableBox work for your case? edit: *not a stl, but you can define walls with 'user defined regions'

April 25, 2017, 08:43		#3
Vignesh2508 Member Vignesh Rajendiran Join Date: Aug 2016 Location: Chennai, India Posts: 62 Rep Power: 9	Hi Kal, I know the feature that you mentioned. My geometry is complex therefore i need the stl file. Anyway thanks Vicky