Meshing with enGrid from .stp file (IFC format CAD)

jaroz · November 9, 2016, 06:59

Hello

I am working on a project where an .ifc geometry should be used for CFD simulation. This requires converting the geometry to .stp or .iges.
If I convert the geometry to an stl I loose all information on boundaries and surfaces which I would like to conserve.
The only solution I found so far is to import an IFC file into blender and then prepare the geometry for enGrid with the export plugin. But enGrid has high limits on geometry "dirtiness" so I couldn't import any complex models yet.
Is there a way to preserve the .stp informations on boundaries and correct the CAD geometry for import in engrid with another tool, I am limited to opensource tools for this projects.

Thanks in advance
Yannic

rsoni451 · June 22, 2018, 08:26

Hi Yannic,

I am also looking for a solution to this problem. I have the building BIM model and I am exporting it as *.ifc, now I want to keep the pysical attributes of the model to use them as the boundary conditions in the CFD analysis.

If you have found any solution to this problem then can you please share it here?

Kind regards,
Rajat

November 9, 2016, 06:59	Meshing with enGrid from .stp file (IFC format CAD)	#1
jaroz New Member Yannic E. Join Date: Nov 2016 Posts: 6 Rep Power: 10	Hello I am working on a project where an .ifc geometry should be used for CFD simulation. This requires converting the geometry to .stp or .iges. If I convert the geometry to an stl I loose all information on boundaries and surfaces which I would like to conserve. The only solution I found so far is to import an IFC file into blender and then prepare the geometry for enGrid with the export plugin. But enGrid has high limits on geometry "dirtiness" so I couldn't import any complex models yet. Is there a way to preserve the .stp informations on boundaries and correct the CAD geometry for import in engrid with another tool, I am limited to opensource tools for this projects. Thanks in advance Yannic

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June 22, 2018, 08:26		#2
rsoni451 Member Rajat soni Join Date: Oct 2016 Posts: 32 Rep Power: 10	Hi Yannic, I am also looking for a solution to this problem. I have the building BIM model and I am exporting it as *.ifc, now I want to keep the pysical attributes of the model to use them as the boundary conditions in the CFD analysis. If you have found any solution to this problem then can you please share it here? Kind regards, Rajat