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flappingConsoleSmall (FSI) with a contact wall |
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May 22, 2016, 03:27 |
flappingConsoleSmall (FSI) with a contact wall
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New Member
Florian Nguyen
Join Date: Oct 2015
Location: Tokyo, Japan
Posts: 19
Rep Power: 10 |
Hello everybody,
I would like to have the opinion of somebody with some experience on FSI in OpenFOAM. Lately I have been interested in FSI simulation for a reed valve (two dimensional), that is a rectangular console that would close against a wall. I inspired myself from the flappingConsoleSmall tutorial case, so I am trying to add a wall acting as a rigid obstacle both to the fluid and the console. Unfortunately, a closing valve would split my fluid domain in two and require remeshing or cell removal, and I have never seen these methods applied to a FSI case until now. Has somebody here ever tried something like this? Anyway, my backup plan consists in letting a small gap between the wall and the console, but by doing so my console becomes unconstrained, and I don't want it to bend in the wrong direction. I am now using the solid solver of the HronTurekFsi tutorial, and I thought that I could constrain my console's motion. Would you have any advice on how to do this? Finally, because my valve and wall are very close, any displacement of the valve induces a large skewness of gap cells... Would it be possible to use a sliding interface to avoid this? Any advice is welcome, thanks for your help! Florian |
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