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Lid driven cavity case for non-Newtonian fluid |
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September 25, 2024, 03:40 |
Lid driven cavity case for non-Newtonian fluid
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Sheetal
Join Date: Jul 2023
Posts: 6
Rep Power: 3 |
I am trying to stimulate the lid driven cavity case for non-Newtonian fluid. For Newtonian case, I had validated the results at Reynold number Re=100, 400.
For Newtonian case, in transport properties, we set kinemetic viscosity, nu which can be calculated by this equation: Re=UL/nu where U is the characteristic velocity, L is the characteristic length. So, nu=UL/Re. If U=1, L=1 and Re=100 then nu=0.01 and for Re=400, nu=0.0025 But in non-Newtonian case, we select the model like power law or Herschel-Bulkley model and set the parameters of model in transport properties instead of giving nu value. Now, I want to simulate the non-Newtonian case for different Re values but I am not getting how to change the Reynold number as we cannot set the nu value in the non-Newtonian case. Any suggestions or help will be appreciated. |
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