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October 25, 2013, 10:27
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MFX 2 way thermal FSI
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Member
Join Date: Apr 2011
Posts: 32
Rep Power: 15  |
Hello everybody,
I often have to apply very low under-relaxation factors (e.g. 0.1) for the Heat Flux being sent from CFX to Ansys in a MFX coupling and rather large factors for temperature and displacement (e.g. 0.75). What is the exact numerical or physical explanation for the instability that arises from higher under-relaxation factors with regard to the heat flux? Best & Thx, MK |
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