C.1. VOF Model

Table 1: DEFINE Macro Usage for the VOF Model – Table 3: DEFINE Macro Usage for the VOF Model list the variables that can be customized using UDFs for the VOF multiphase model, the DEFINE macros that are used to define the UDFs, and the phase that the UDF must be hooked to for the given variable.

Table 1: DEFINE Macro Usage for the VOF Model

Variable	Macro	Phase Specified On
Boundary Conditions Inlet/Outlet
volume fraction	`DEFINE_PROFILE`	secondary phase(s)
velocity magnitude	`DEFINE_PROFILE`	mixture
pressure	`DEFINE_PROFILE`	mixture
temperature	`DEFINE_PROFILE`	mixture
mass flux	`DEFINE_PROFILE`	primary and secondary phase(s)
species mass fractions	`DEFINE_PROFILE`	phase-dependent
internal emissivity	`DEFINE_PROFILE`	mixture
user-defined scalar boundary value	`DEFINE_PROFILE`	mixture
discrete phase boundary condition	`DEFINE_PROFILE`	mixture

Table 2: DEFINE Macro Usage for the VOF Model

Variable	Macro	Phase Specified On
Fluid
mass source	`DEFINE_SOURCE`	primary and secondary phase(s)
momentum source	`DEFINE_SOURCE`	mixture
energy source	`DEFINE_SOURCE`	mixture
turbulence kinetic energy source	`DEFINE_SOURCE`	mixture
turbulence dissipation rate source	`DEFINE_SOURCE`	mixture
user-defined scalar source	`DEFINE_SOURCE`	mixture
species source	`DEFINE_SOURCE`	phase-dependent
velocity	`DEFINE_PROFILE`	mixture
temperature	`DEFINE_PROFILE`	mixture
user-defined scalar	`DEFINE_PROFILE`	mixture
turbulence kinetic energy	`DEFINE_PROFILE`	mixture
turbulence dissipation rate	`DEFINE_PROFILE`	mixture
species mass fraction	`DEFINE_PROFILE`	phase-dependent
porosity	`DEFINE_PROFILE`	mixture
Boundary Conditions Wall
species boundary condition	`DEFINE_PROFILE`	phase-dependent
internal emissivity	`DEFINE_PROFILE`	mixture
irradiation	`DEFINE_PROFILE`	mixture
roughness height	`DEFINE_PROFILE`	mixture
roughness constant	`DEFINE_PROFILE`	mixture
shear stress components	`DEFINE_PROFILE`	mixture
swirl components	`DEFINE_PROFILE`	mixture
moving velocity components	`DEFINE_PROFILE`	mixture
heat flux	`DEFINE_PROFILE`	mixture
heat generation rate	`DEFINE_PROFILE`	mixture
heat transfer coefficient	`DEFINE_PROFILE`	mixture
external emissivity	`DEFINE_PROFILE`	mixture
external radiation temperature	`DEFINE_PROFILE`	mixture
free stream temperature	`DEFINE_PROFILE`	mixture
user scalar boundary value	`DEFINE_PROFILE`	mixture
discrete phase boundary value	`DEFINE_DPM_BC`	mixture

Table 3: DEFINE Macro Usage for the VOF Model

Variable	Macro	Phase Specified On
Other
surface tension coefficient	`DEFINE_PROPERTY`	phase interaction
mass transfer coefficient	`DEFINE_MASS_TRANSFER`	phase interaction
heterogeneous reaction rate	`DEFINE_HET_RXN_RATE`	phase interaction