[OpenFOAM] Polyhedrons

tj22 · May 17, 2006, 13:14

I have added polyhedron support to my reader. I am visualizing the icoDyFoam/mixer2D set. When I look at it in paraFoam it looks correct and perfoms nicely. How are you handling the polyhedrons? I dont think paraFoam is using vtkconvexpointset.

I used convexpointset which is extremely slow and also does not make sense when looking at the wireframe like it does in parafoam. (in parafoam the center region looks like blades) Is this mesh intended to be viewed as polyhedron? Or do the polyhedrons need to be decimated like they are in parafoam?

Thanks.

mattijs · May 17, 2006, 13:32

We decompose the polyhedra. Is not a good way since creates large numbers of pyramids and tets so any ideas to do it better are welcome

tj22 · May 17, 2006, 15:14

I found a problem in my code. It looks fine now. I use vtkconvexpointset, which preserves the polyhedra, but it is very slow. Thanks.

May 17, 2006, 13:14	Polyhedrons	#1
tj22 Member Terry Jordan Join Date: Mar 2009 Posts: 95 Rep Power: 17	I have added polyhedron support to my reader. I am visualizing the icoDyFoam/mixer2D set. When I look at it in paraFoam it looks correct and perfoms nicely. How are you handling the polyhedrons? I dont think paraFoam is using vtkconvexpointset. I used convexpointset which is extremely slow and also does not make sense when looking at the wireframe like it does in parafoam. (in parafoam the center region looks like blades) Is this mesh intended to be viewed as polyhedron? Or do the polyhedrons need to be decimated like they are in parafoam? Thanks.

May 17, 2006, 13:32	We decompose the polyhedra. Is	#2
mattijs Senior Member Mattijs Janssens Join Date: Mar 2009 Posts: 1,419 Rep Power: 26	We decompose the polyhedra. Is not a good way since creates large numbers of pyramids and tets so any ideas to do it better are welcome

May 17, 2006, 15:14	I found a problem in my code.	#3
tj22 Member Terry Jordan Join Date: Mar 2009 Posts: 95 Rep Power: 17	I found a problem in my code. It looks fine now. I use vtkconvexpointset, which preserves the polyhedra, but it is very slow. Thanks.

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