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siw November 7, 2012 07:22

Initialization using another simulation result

Is it possible to initialize a simulation using the flowfield from another simulation (which is what I sometime do in CFX)? For example: for the same fluid domain and boundary conditions can I run a DES using a RANS calculated flowfield as the initial guess.


Marion November 7, 2012 09:15

for different geometries you can use the "interpolate" feature in Fluent: File / interpolate...
For the same geometry, I think it is even recommended to start with a RANS converged flow field before running LES. you just switch to LES and transient after your model has converged.

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