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November 9, 2006, 13:37 |
Hello all,
I am a graduate
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New Member
Charles
Join Date: Mar 2009
Location: Corvallis, OR, USA
Posts: 7
Rep Power: 17 |
Hello all,
I am a graduate student studying the motion of buoys in the ocean. I am learning about wave theory and CFD, trying to get an understanding of things. I am trying to decide on a CFD software to use for my research. Of course, like I said, I am new to CFD; I have to pick my software now, though. I know, it doesn't make total sense, but that is how it is. I have been trying to learn enough about what is important that I can make a fairly educated decision. Sometimes, it is hard to interpret the information. I have searched the OpenFOAM web page and the forums, but there are still some things that confuse me. I know that some of these things could very well be discussed on the board already, and I may have read them and just not understood. I hope someone may be patient with me and help me to understand. 1) It seems that OpenFOAM handles unstructured grids. Does blockMesh create unstructured grids, then? 2) Does it solve implicitly, explicitly, or both? 3) Does it use adaptive meshing? It describes the mesh thusly: "a cell is simply represented as a list of faces and a face as a list of vertices," but I am not sure how to interpret that. 4) Does it use a boundary layer around structures? I have been told this helps a lot with accuracy. 5) How does it do with fluids interacting with solid objects? Does anyone know of someone who has used OpenFOAM to model an ocean buoy? 6) Would its discretization be considered finite volume method? Or some clever hybrid? 7) It seems that mesh creation can be a major part of the work in a CFD simulation. What are your thoughts on the OpenFOAM mesh creation tools? Like I said earlier, I know this will probably annoy some people, but if anyone is feeling generous, I would sure appreciate your replies. And, as I mentioned, if anyone knows of work someone has done modeling ocean buoys in OpenFOAM, that would be nice, too. Thanks much for all help, |
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