C.2. Mixture Model

Table 4: DEFINE Macro Usage for the Mixture Model – Table 6: DEFINE Macro Usage for the Mixture Model list the variables that can be customized using UDFs for the Mixture 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 4: DEFINE Macro Usage for the Mixture Model

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

Table 5: DEFINE Macro Usage for the Mixture 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
granular temperature source	`DEFINE_SOURCE`	secondary phase(s)
user scalar source	`DEFINE_SOURCE`	mixture
species source	`DEFINE_SOURCE`	phase-dependent
species mass fractions	`DEFINE_PROFILE`	phase-dependent
velocity	`DEFINE_PROFILE`	mixture
temperature	`DEFINE_PROFILE`	mixture
turbulence kinetic energy	`DEFINE_PROFILE`	mixture
turbulence dissipation rate	`DEFINE_PROFILE`	mixture
porosity	`DEFINE_PROFILE`	mixture
granular temperature	`DEFINE_PROFILE`	secondary phase(s)
viscous resistance	`DEFINE_PROFILE`	primary and secondary phase(s)
inertial resistance	`DEFINE_PROFILE`	primary and secondary phase(s)
Wall
roughness height	`DEFINE_PROFILE`	mixture
roughness constant	`DEFINE_PROFILE`	mixture
internal emissivity	`DEFINE_PROFILE`	mixture
shear stress 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
granular flux	`DEFINE_PROFILE`	secondary phase(s)
granular temperature	`DEFINE_PROFILE`	secondary phase(s)
user scalar boundary value	`DEFINE_PROFILE`	mixture
discrete phase boundary value	`DEFINE_DPM_BC`	mixture
species boundary condition	`DEFINE_PROFILE`	phase-dependent

Table 6: DEFINE Macro Usage for the Mixture Model

Variable	Macro	Phase Specified On
Material Properties
cavitation surface tension coefficient	`DEFINE_PROPERTY`	phase interaction
cavitation vaporization pressure	`DEFINE_PROPERTY`	phase interaction
particle or droplet diameter	`DEFINE_PROPERTY`	secondary phase(s)
granular diameter	`DEFINE_PROPERTY`	secondary phase(s)
granular solids pressure	`DEFINE_PROPERTY`	secondary phase(s)
granular radial distribution	`DEFINE_PROPERTY`	secondary phase(s)
granular elasticity modulus	`DEFINE_PROPERTY`	secondary phase(s)
granular viscosity	`DEFINE_PROPERTY`	secondary phase(s)
granular temperature	`DEFINE_PROPERTY`	secondary phase(s)
Other
slip velocity	`DEFINE_VECTOR_` `EXCHANGE_PROPERTY`	phase interaction
drag coefficient	`DEFINE_EXCHANGE`	phase interaction
mass transfer coefficient	`DEFINE_MASS_TRANSFER`	phase interaction
heterogeneous reaction rate	`DEFINE_HET_RXN_RATE`	phase interaction