June 6, 2022 at 8:33 amFAQParticipant
A Viscous analysis involves a solution of the full Navier-Stokes equations whereas an Inviscid analysis ignores all viscous effects. With the Inviscid option, the default wall boundary condition, even if it is not displayed, is free slip: -Zero wall shear stress -Zero normal wall velocity: no penetration -Non-zero tangential velocity as the velocity of the fluid near the wall is not retarded by wall friction effects.
Keywords: AIM, Inviscid, Stress-strain
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