# Pressure

Syntax

  Bc Diffuse For Momentum [{of} SpeciesName | {in} MaterialPhaseName | {ls} {a | b | c}] {on} Mesh Extent Name [Touching TouchingMeshExtent | Opposing OpposingMeshExtent] = Pressure [Using Data Specification Data Spec Name] [User_Field_Name = user_field_name | Use_Bulk_Node = use_bulk_node | P = p | C_T = c_t | C_X = c_x | C_Y = c_y | C_Z = c_z | C_Cos_W = c_cos_w | C_Sin_W = c_sin_w | C1_Cos = c1_cos | C1_Sin = c1_sin]

Summary

  Pressure momentum flux

Parameter | Value | Default
--- | --- | ---
{of} | {of | species | subindex} | –
SpeciesName | string | –
{in} | {in | material_phase} | –
MaterialPhaseName | string | –
{ls} | {levelset_phase | ls} | –
{on} | {@ | at | for | in | on | over} | –
Mesh Extent Name | string | –
TouchingMeshExtent | string | –
OpposingMeshExtent | string | –
Data Spec Name | string | –
user_field_name | “string” | –
use_bulk_node | “string” | –
p | real | 0
c_t | real | 0
c_x | real | 0
c_y | real | 0
c_z | real | 0
c_cos_w | real | 0
c_sin_w | real | 0
c1_cos | real | 0
c1_sin | real | 0