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[snappyHexMesh] Defining separate objects as a region in an STL file at once

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Old   September 29, 2023, 02:36
Post Defining separate objects as a region in an STL file at once
  #1
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george
Join Date: Feb 2021
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Hi,

I'm seeking a way to define regions for multiple bodies within a single STL file simultaneously. When I mesh geometries like the one shown in fig-1 using snappyHexMesh, I encounter difficulties in defining inner coordinates (locationsInMesh). When there are a large number of objects (more than 100) that need to be defined, manually writing coordinates becomes frustrating because I have to identify the inner coordinates for each separate object in the STL file before adding them to the snappy dictionary. When I provide only one coordinate, it creates a region exclusively for that specific object or part.
Code:
locationsInMesh
(
        ((x0 y0 z0) fluid_region)
        //--------------------------//
	(( x1 y1 z1) solid_region_1)
	.
        .
	(( xn yn zn) solid_region_1)
        //--------------------------//
	(( x1 y1 z1) solid_region_2)
	.
        .
	(( xn yn zn) solid_region_2)
);
Is there an easy way to capture all separate objects as region with snappyHexMesh?

regards,
scfd
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Old   September 29, 2023, 04:34
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  #2
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M
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AFAIK there is no possibility to just mesh every region. That would be a great feature, though.
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