# Wall_Function

Syntax

  Bc Lumped_Flux For Cvfem_Momentum ([{of} SpeciesName] | [{in} MaterialPhaseName] | [{ls} {a | b | c}]) {@ | at | for | on | over} Mesh Extent Name ([Touching TouchingMeshExtent] | [Opposing OpposingMeshExtent]) = Wall_Function [Using Data Specification Data Spec Name] ([Wall_Velocity_X = wall_velocity_x] | [Wall_Velocity_Y = wall_velocity_y] | [Wall_Velocity_Z = wall_velocity_z] | Wall_Friction_Factor = wall_friction_factor)

Summary

  CVFEM momentum wall function flux BC

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 | –
wall_velocity_x | real | 0
wall_velocity_y | real | 0
wall_velocity_z | real | 0
wall_friction_factor | real | –