# Nitche_Tied

Syntax

  Enforcement For Energy [{of} SpeciesName | {in} MaterialPhaseName | {ls} {a | b | c}] {=} Nitche_Tied [Co_Field = co_field | Multiplier = multiplier | Toggle = toggle]

Summary

  Applies a contact heat flux as described in “A robust Nitsches formulation for interface problems” by Annavarapu et al. 2012.

Description

  The following options are present in most boundary conditions/sources. The meaning of each option is as follows:

  Toggle

    If given, specifies which toggle block controls whether this BC is active or not.

Parameter | Value | Default
--- | --- | ---
{of} | {of | species | subindex} | –
SpeciesName | string | –
{in} | {in | material_phase} | –
MaterialPhaseName | string | –
{ls} | {levelset_phase | ls} | –
{=} | {= | are | is} | –
co_field | integer | 0
multiplier | real | 1
toggle | “string” | –