cfd term command
Syntax
 cfd term keyword

Modify terms used in drag force calculations.
 epschi b
If on (the default), the \(\epsilon^{\chi}\) term in Equation (10) in the “Theory and Background” section is included. This term adjusts the particle drag force to account for the increase in drag at low porosities.
 gradp b
If on, the \(\nabla P\) term from Equation (16) in the “Theory and Background” section is included. This term adjusts the particle drag force as a result of the pressure gradient. By default, this term is not included.
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