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FMG vs hybrid vs interpolation initialization |
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May 8, 2014, 11:00 |
FMG vs hybrid vs interpolation initialization
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#1 |
Senior Member
Join Date: Mar 2010
Posts: 181
Rep Power: 17 |
Hi everyone,
i just wanted to ask a general question of the fluent users as to which initialization you have found to be the most effective in terms of reducing total iteration count of your simulations? I am used the PBCS for a turbomachinery flow. My simulation is part of an optimisation routine and so up until this point, i have initializing by interpolating a baseline solution from my baseline geometry for the individual simulations. however, i am interested to know what anybodies experiences are with the FMG and Hybrid approaches in general, and whether either (or none ) is preferred? Also, i am solving using a standard PBCS setup, but am considering psuedo-transient under-relaxation to try to speed things up. Any tipe / advice / experiences anybody would like to share? I am running a couple test cases so in either event i should be able to report back if anybody is interested. take care and thanks cheers jonathan |
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fluent, fmg, hybrid initialization, pbcs |
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