k and epsilon were hard to converge in multiphase model
Hi,
:oMy modeling is Injecting gas into Laddle from the bottom. use VOF and k-epsilon models, the time step size is 0.0001s, Residuals were set as 10-5. At the beginning, about 0~0.1s, It was easy to converge. but after that, the k and epsilon became harder and harder to vonverge. I changed mesh, decreased Under-Flaxation-Factor, changed the MultiGrid. But I did not work. Do you have any idea to get through this confusion ? Thanks in advance:p Long |
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