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How to create mesh block for curved channel in FLOW3D?

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Old   May 17, 2024, 09:12
Default How to create mesh block for curved channel in FLOW3D?
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Murali Krishnamraju
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I am trying to simulate flow in a curved channel in FLOW-3D. But I am struck at creating the mesh block. As shown in the figure, the mesh block is coming as a rectangle, not aligning with the curved channel. The initial water level is also coming over the entire mesh block instead of only in the channel.

How can I correctly create the mesh block and give the boundaries for the curved channel, as shown above?


Access figure with this link: https://drive.google.com/file/d/1fuz...8Bm7wFwqc/view
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Old   May 29, 2024, 04:18
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Hi.

Flow3d's can only generate rectangular grids. I am not able to see your images but if you add only your channel geometry water will fill the side empty places between the channel wall and the mesh boundary. you should fill the rest of the mesh with solids.
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Old   June 2, 2024, 21:39
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Try to change your side boundary(ymin,ymax) conditions to WALL.
You can also set the initial condition of the channel, regions can be interactively edited so it's easier to adjust
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