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Solid domain in Fluid domain (meshing)

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Old   November 10, 2019, 08:24
Default Solid domain in Fluid domain (meshing)
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Hi to all,


Consider a pipe flow (D=10cm). And put something in it. May be a ball (D=5cm) in the middel of it without touching the pipe wall.


*Can we mesh these domains separately and combine them in FLUENT? So, there will be intersecting domains that FLUENT must consider the intersecting volume as the ball domain and leaving the fluid domain in that volume automaticly.



*I'm not asking the domain substracting method.
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Old   Today, 13:13
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It sounds like what you are driving at is a mesh technique called overset (alternatively chimera) meshing. You create a grid for the background, and then a separate grid for various components that lie in the flow field, and the solver 'intersects' the two grids together to get a unified mesh built up from simpler meshes.

Check these resources out. It likely solves your problem.


http://2016.oversetgridsymposium.org...gger-ANSYS.pdf
https://www.ansys.com/-/media/ansys/...g-brochure.pdf
https://www.youtube.com/watch?v=jukm6w3vMXc
https://www.youtube.com/watch?v=_Cryhe7L3uw
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