# Slip

Syntax

  Bc Diffuse For Momentum ([{of} SpeciesName] | [{in} MaterialPhaseName] | [{ls} {a | b | c}]) {@ | at | for | on | over} Mesh Extent Name ([Touching TouchingMeshExtent] | [Opposing OpposingMeshExtent]) = Slip [Using Data Specification Data Spec Name] ([Vs_X = vs_x] | [Vs_Y = vs_y] | [Vs_Z = vs_z] | Beta = beta)

Summary

  Slip momentum flux

Parameter | Value | Default
--- | --- | ---
{of} | {of | species | subindex} | –
SpeciesName | string | –
{in} | {in | material_phase} | –
MaterialPhaseName | string | –
{ls} | {levelset_phase | ls} | –
Mesh Extent Name | string | –
TouchingMeshExtent | string | –
OpposingMeshExtent | string | –
Data Spec Name | string | –
vs_x | real | 0
vs_y | real | 0
vs_z | real | 0
beta | real | –