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no current magnetic magnet force term in N-S body force in COMSOL

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Old   December 17, 2019, 17:47
Default no current magnetic magnet force term in N-S body force in COMSOL
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Hi
i want to simulate ferrofluid two phase fluid, i use COMSOL for simulation and use two phase flow - laminar flow and no current magnet.
i must to put body force in N-S ?
is this enough?
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Old   December 22, 2019, 07:09
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Hello,


that is going to be amazing. Well, there were two options in order to simulate the ferrofluids. one can be used is the particle motion or tracing to simulate the magnetic particles in the fluid which is not difficult. another option is using the mixture model in comsol. However, you should add body force in both options.
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Old   December 22, 2019, 18:08
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Quote:
Originally Posted by habibjalili1995 View Post
Hello,


that is going to be amazing. Well, there were two options in order to simulate the ferrofluids. one can be used is the particle motion or tracing to simulate the magnetic particles in the fluid which is not difficult. another option is using the mixture model in comsol. However, you should add body force in both options.
is there any difference between using two phase flow model or mixture?
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Old   December 22, 2019, 18:19
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Well, both the mixture model and particle tracing is kind of two-phase flow. We have different models for different mixtures such as fluid-fluid or fluid-gas, fluid-solid, and fluid-structure interaction is a kind of solid-fluid two-phase flow.
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