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Brownian Force in Spherical drag law

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Old   May 3, 2019, 05:20
Default Brownian Force in Spherical drag law
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Hi all,

The Brownian force components include spectral intensity, which in turn includes Cunningham correction in its equation. While using the Spherical drag law for particle tracking, we can't explicitly state the correction factor as is done when we activate the Stokes-Cunningham law.
So, considering this scenario I have three queries as stated below:

[1]Will the Brownian force be taken into account while using the Spherical drag law?

[2]Will the solver automatically account for the Cunningham correction by itself based on the fluid flow and particle properties while using the Spherical Drag law?

[3]Or is the Brownian force calculated by the solver only when the Stokes-Cunningham law is activated?

*ANSYS FLUENT is used for simulations.
Your suggestions will be valuable to enhance my understanding.
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