C.3 Eulerian Model - Laminar Flow

Tables  C.3.1- C.3.3 list the variables that can be customized using UDFs for the laminar flow Eulerian multiphase model, the DEFINE macros that are used to define the UDFs, and the phase that the UDF needs to be hooked to for the given variable.

Table C.3.1: DEFINE Macro Usage for the Eulerian Model - Laminar Flow

Variable	Macro	Phase Specified On
Boundary Conditions Inlet/Outlet
volume fraction	DEFINE_PROFILE	secondary phase(s)
species mass fractions	DEFINE_PROFILE	phase-dependent
mass flux	DEFINE_PROFILE	primary and secondary phase(s)
flow direction components	DEFINE_PROFILE	primary and secondary phase(s)
velocity magnitude	DEFINE_PROFILE	primary and secondary phase(s)
temperature	DEFINE_PROFILE	primary and secondary phase(s)
pressure	DEFINE_PROFILE	mixture
user-defined scalar boundary value	DEFINE_PROFILE	mixture
discrete phase boundary value	DEFINE_DPM_BC	mixture
Fluid
mass source	DEFINE_SOURCE	primary and secondary phase(s)
momentum source	DEFINE_SOURCE	primary and secondary phase(s)
energy source	DEFINE_SOURCE	primary and secondary phase(s)
species source	DEFINE_SOURCE	phase-dependent
granular temperature source	DEFINE_SOURCE	secondary phase(s)
user-defined scalar source	DEFINE_SOURCE	mixture
velocity	DEFINE_PROFILE	primary and secondary phase(s)
temperature	DEFINE_PROFILE	primary and secondary phase(s)

Table C.3.2: DEFINE Macro Usage for the Eulerian Model - Laminar Flow

Variable	Macro	Phase Specified On
Boundary Conditions Fluid
species mass fraction	DEFINE_PROFILE	phase-dependent
granular temperature	DEFINE_PROFILE	secondary phase(s)
porosity	DEFINE_PROFILE	mixture
user-defined scalar	DEFINE_PROFILE	mixture
viscous resistance	DEFINE_PROFILE	primary and secondary phase(s)
inertial resistance	DEFINE_PROFILE	primary and secondary phase(s)
Wall
species boundary condition	DEFINE_PROFILE	phase-dependent
shear stress components	DEFINE_PROFILE	primary and secondary phase(s)
moving velocity components	DEFINE_PROFILE	secondary phase(s)
temperature	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-defined scalar boundary value	DEFINE_PROFILE	mixture
discrete phase boundary value	DEFINE_DPM_BC	mixture
Material Properties
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)

Table C.3.3: DEFINE Macro Usage for the Eulerian Model - Laminar Flow

Variable	Macro	Phase Specified On
Other
drag coefficient	DEFINE_EXCHANGE	phase interaction
lift coefficient	DEFINE_EXCHANGE	phase interaction
heat transfer coefficient	DEFINE_PROPERTY	phase interaction
mass transfer coefficient	DEFINE_MASS_TRANSFER	phase interaction
heterogeneous reaction rate	DEFINE_HET_RXN_RATE	phase interaction