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Best choice for my setup ? Sliding mesh or single rotating ref frame ?

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Old   August 23, 2011, 05:05
Default Best choice for my setup ? Sliding mesh or single rotating ref frame ?
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Rockda Kasba
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I'm currently trying to set up a 2D Fluent case of water jet impinging a hot rotating cylinder.

In a first time, i decided to only focus on hydrodynamic (thermic is disabled) so i made a VOF case (2 phases, air/water).

What strategy should i adopt to solve this problem ? Should i use a sliding mesh, or a single rotating reference frame ?

You can find a pic of my configuration with this msg. We have the cylinder, meshed roughly which will rotate around Oz axis , and another meshed zone upper, which correspond to the "fluid" zone. The water jet will come from the upper extremity of the fluid zone and hit perpendicularly the cylinder.
The major difficulty i encounter is to handle the rotation of the cylinder ( i heard about, sliding mesh and single rotating frame , using interface in BCs and coupled wall..) Can someone explain me clearly these things and the one i should use in my case ?

Thanks a lot.

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