|February 1, 2013, 11:09||
FSI in Ansys 14 workbench
Join Date: Jan 2013
Posts: 75Rep Power: 4
I have just started my Phd in FSI regarding hydroelasticity of ships. The main concern is to establish a 2 way coupling between CFD(RANS) and ANSYS. So while going through the workbench i had a major doubt. This could be a little silly but hope you could guide me.
I am using ANSYS 14 in the uni and i understand it is possible to do a 2 way coupling using FLUENT.While going through the steps i saw that once the 2 analysis system are launched and coupled the geometries are also linked. This is so that they are updated together right? In my case i think i will have to set up the geometry and meshing in ICEM as the meshing tool in DM is not so good, and then i can export to fluent. But if i import a mesh after that in the FLUENT analysis system the geometry link is gone and only the setup link shows. Is this Ok when i am doing a 2 way coupling? I mean is it necessary that i have to explicitly use the geometry and meshing in the Fluent workbench analysis tool or can i use any software for meshing and later load it?
I am yet to read the manuals completely but before doing that and finding that i can't if you could guide me, i would be able to save a lot of time.
|February 13, 2013, 16:45||
Join Date: Apr 2009
Posts: 529Rep Power: 12
The geometry cell do not have to be linked. You can use ICEM for the Fluent mesh. All that matters is that the FSI interface in the initial structural and fluid mesh match in physical space (the meshes don't need node matching, just geometric matching).
|March 15, 2013, 07:33||
Import geometery for 2way FSI
Join Date: Mar 2013
Posts: 2Rep Power: 0
I'm working on a 2 way FSI model in Ansys workbench with CFX, very similar to the tutorial of the oscillating plate.
The solution works fine until I put my own geometry in. I exported the Parasolid files from Solidworks and put them in designmodeler. I have even tried rebuilding the geometry from the tutorial but I always get an error when I try to solve it.
Would really appreciate some help on this.
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