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Create 3d Grid query - Star cd 3.24.0 version |
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October 7, 2008, 13:10 |
Create 3d Grid query - Star cd 3.24.0 version
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#1 |
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Hi,
I need to conduct transient analysis of simple toroidal geometry (3d tube) and am currently working on creating a toroidal mesh for the same. From the tutorials, I understand that I am supposed to use the "Star CD guide - CREATE 3D GRIDS USING SIMPLE SHAPES". While conducting the same I come across an error which says that I need my cells type to be "Fluid" and not "shells", but the grid generated using "Pro-Surf" consists of "shell type cells". Now I am unable to find a way to convert my existing Shell type cells to Fluid type cells.Is there a way to figure this out? Also,If a mesh is created using "Pro-Am" and then the CREATE 3d GRID section is used to create an overlaying mesh, is there a way to get rid of the previous mesh which is created using "Pro-AM" and just restore the mesh created using CREATE 3d GRID? Appreciate your help in this regard |
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October 8, 2008, 05:36 |
Re: Create 3d Grid query - Star cd 3.24.0 version
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#2 |
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Hi
I think you should do the tutorials in the Pro-AM section of Star-Cd to understand more of what you are doing... You can create a toroidal fluid mesh directly through the CREATE 3D GRIDS USING SIMPLE SHAPES tool as you said. Before doing it you must go to Tool -> Cell Tool and activate a cell type where the type of cell is set to "fluid". This means that future cells created will be fluid cells, 3d cells. If you have a complex geometry or you want to use the shell-surface-mesh you created in pro-surf you can follow the mesh creation process in pro-AM: by that way you can "convert" a surface mesh (shell type) to a volume mesh (fluid cells type for simplicity)... You can store a mesh using the command "dbase", try to look at it in the help section of the code. Hope that helps, bye! Andrea |
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October 8, 2008, 11:26 |
Re: Create 3d Grid query - Star cd 3.24.0 version
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#3 |
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Hi,
Thank you very much. I figured out my mistake and things worked well for me from there on! I created a mesh using Pro-am and later compress the previous mesh using Create 3d grid tool and then generated a toroidal mesh! Thanks again. |
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October 15, 2008, 10:36 |
Re: Create 3d Grid query - Star cd 3.24.0 version
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#4 |
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Hi Pankaj,
I am working on the transient moving mesh problem as well using STAR-CD 4. I am looking for the tutorial 13 internal combustion engine in STAR-CD 3. If possible, can you please send me a copy of the tutorial with practising file. Thank you. Wei |
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