# 7.17.1.15.1. Boussinesq

Syntax

  Source For Cvfem Momentum ([{of} SpeciesName] | [{in} MaterialPhaseName] | [{ls} {a | b | c}]) {@ | at | for | on | over} MeshPartIdentifier = Boussinesq (Ref_Temperature = ref_temperature | [Gx = gx] | [Gy = gy] | [Gz = gz])

Summary

  CVFEM Boussinesq source for cvfem momentum equation

Parameter | Value | Default
--- | --- | ---
{of} | {of | species | subindex} | –
SpeciesName | string | –
{in} | {in | material_phase} | –
MaterialPhaseName | string | –
{ls} | {levelset_phase | ls} | –
MeshPartIdentifier | string | –
ref_temperature | real | –
gx | real | 0
gy | real | 0
gz | real | 0