cfd term command

Syntax

cfd term keyword

Primary keywords:

epschi    gradp

Modify terms used in drag force calculations.

epschi b

If on (the default), the ϵχ 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 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.