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[snappyHexMesh] How to generete internal domain from snappyHexMesh?

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Old   March 4, 2021, 23:44
Default How to generete internal domain from snappyHexMesh?
Sunag R A
Join Date: Jul 2019
Location: Bangalore, India
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Dear All,

I have a set of 3D datapoints that looks similar to sphere. I converted this to stl format by using "MeshLab" software. I think the mesh is good to go with triangulated faces on the surface.

Now, I want this domain for internal heat flow transfer. For this purpose, I want to construct 3D mesh from BlockMesh and SnappyHexMesh. But when I gave the domain for blockmesh and executed snappyHexmesh, the blockmesh is not carving in the shape of the stl file, instead the block is also produced.

1. I have given the "locationInMesh" inside the stl file in snappyHexMesh.

2. The domain of the blockmesh is exactly the boundaries of the stl file. (xmax - 210, ymax = 165, zmax = 86.4).

3. I have attached the images and also the case file for reference.

4. All I want is only the stl file with 3D mesh for simulation.

Any leads will be appreciated.

Image 1: Surface reconstruction from 3D datapoints in meshlab.

Image 2: Mesh generated from BlockMesh and SnappyHexMesh (Only internal stl file domain is needed for simulation)

Case Attachment:

Sunag R A.
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blockmesh, internal, meshlab, snappyhexmesh, stl file

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