mp-heat-transfer: Parameter description

Contents

• base

• time stepping

• adaptive meshing

• heat

• material

• laser

• rte

• evaporation

• output

• profiling

• application specific

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🔷 base

Parameter	Type	Default	Description
case name	string	not_initialized	Sets the base name for the application that will be fed to the problem type.
dimension	integer	2	Defines the dimension of the problem
number	string	double	Floating point number format. Currently, only ‘double’ is explicitely instantiated. Allowed values: - double
global refinements	integer	1	Defines the number of initial global refinements
do print parameters	boolean	True	Set this parameter to true to list parameters in output
verbosity level	integer	1	Sets the verbosity level of the console output: 0: silent: for non-robust tests and benchmark runs; 1: minimal: for robust tests; 2: detailed; 3: full
fe	object		See table

base: fe

Parameter	Type	Default	Description
type	string	FE_Q	Finite Element.FE_Q: hexahedral continuous finite element with polynomial degree p; FE_SimplexP: tetrahedral continuous finite element with polynomial degree p; FE_Q_iso_Q1: hexahedral continuous finite element with p subdivisions containing linear elements; FE_DGQ: hexahedral discontinuous finite element with polynomial degree p Allowed values: - not_initialized - FE_Q - FE_SimplexP - FE_Q_iso_Q1 - FE_DGQ
degree	integer	1	Defines the degree p of the finite element type. If “type” is “FE_Q_iso_Q1” this parameter defines the number of subdivisions.

---

🔷 time stepping

Parameter	Type	Default	Description
start time	number	0.0	Defines the start time for the solution of the levelset problem
end time	number	1.0	Sets the end time for the solution of the levelset problem
time step size	number	0.01	Sets the step size for time stepping. For non-uniform time stepping, this parameter determines the size of the first time step.
max n steps	integer	10000000	Sets the maximum number of melt_pool steps
time step size function	string	0.0*t	Set an analytical function to determine the time step size. For the prediction of the new time increment, the old time is used.

---

🔷 adaptive meshing

Parameter	Type	Default	Description
do amr	boolean	False	Set this parameter to true to activate adaptive meshing
do not modify boundary cells	boolean	False	Set this parameter to true to not refine/coarsen along boundaries.
upper perc to refine	number	0.0	Defines the (upper) percentage of elements that should be refined
lower perc to coarsen	number	0.0	Defines the (lower) percentage of elements that should be coarsened
max grid refinement level	integer	12	Defines the number of maximum refinement steps one grid cell will be undergone.
min grid refinement level	integer	-1	Defines the number of minimum refinement steps one grid cell will be undergone.
n initial refinement cycles	integer	0	Defines the number of initial refinements.
every n step	integer	1	Defines at every nth step the amr should be performed.
min cells marked to refine	integer	1	Minimum number of cells that must be marked for refinement/coarsening before the mesh is updated.
min indicator threshold to refine cell	number	0.0	Minimum indicator value required for a cell to be considered for refinement.
solution transfer average values	boolean	False	Set this parameter to true to average the contribututions to the same DoF coming from different cells during solution transfer.

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🔷 heat

Parameter	Type	Default	Description
fe	object		See table
operator type	string	diffuse	Choose the heat operator implementation. Options: diffuse, cut Allowed values: - diffuse - cut
cut	object		See table
enable time dependent bc	boolean	False	Set this parameter to true to enable time-dependent bc.
diffuse	object		See table
radiative boundary condition	object		See table
convective boundary condition	object		See table
verbosity level	integer	-1	Sets the maximum verbosity level of the console output.
nlsolve	object		See table
linear solver	object		See table
predictor	object		See table

heat: fe

Parameter	Type	Default	Description
type	string	not_initialized	Finite Element.FE_Q: hexahedral continuous finite element with polynomial degree p; FE_SimplexP: tetrahedral continuous finite element with polynomial degree p; FE_Q_iso_Q1: hexahedral continuous finite element with p subdivisions containing linear elements; FE_DGQ: hexahedral discontinuous finite element with polynomial degree p Allowed values: - not_initialized - FE_Q - FE_SimplexP - FE_Q_iso_Q1 - FE_DGQ
degree	integer	-1	Defines the degree p of the finite element type. If “type” is “FE_Q_iso_Q1” this parameter defines the number of subdivisions.

heat: cut

Parameter	Type	Default	Description
two phase	boolean	True	Set this parameter to “false” to ignore the gas phase.
theta	number	0.5	Parameter for one step theta time integration.
do explicit symmetry term	boolean	True	Set this parameter to true to consider the explicit symmetry term. Note: this parameter only applies if the setup is two-phase.
stabilization	object		See table

heat: cut: stabilization

Parameter	Type	Default	Description
nitsche parameter	number	1.0	Nitsche stabilization parameter.
ghost-penalty	object		See table

heat: cut: stabilization: ghost-penalty

Parameter	Type	Default	Description
gamma M degree 0	number	1.0	Mass matrix ghost-penalty parameter for degree 0.
gamma M degree 1	number	1.0	Mass matrix ghost-penalty parameter for degree 1.
gamma M degree 2	number	1.0	Mass matrix ghost-penalty parameter for degree 2.
gamma A degree 0	number	1.0	Stiffness matrix ghost-penalty parameter for degree 0.
gamma A degree 1	number	1.0	Stiffness matrix ghost-penalty parameter for degree 1.
gamma A degree 2	number	1.0	Stiffness matrix ghost-penalty parameter for degree 2.

heat: diffuse

Parameter	Type	Default	Description
use volume-specific thermal capacity for phase interpolation	boolean	False	Perform phase interpolation via the volumetric thermal capacity (product of density and capacity) instead of interpolating density and thermal capacity individually.

heat: radiative boundary condition

Parameter	Type	Default	Description
emissivity	number	0.0	Emissivity.
temperature infinity	number	0.0	Infinity temperature.

heat: convective boundary condition

Parameter	Type	Default	Description
convection coefficient	number	0.0	Convection coefficient.
temperature infinity	number	0.0	Infinity temperature.

heat: nlsolve

Parameter	Type	Default	Description
max nonlinear iterations	integer	10	Set the number of maximum nonlinear iterations with standard tolerances.
field correction tolerance	number	1e-10	Set the tolerance for the maximum allowed correction of the unknown field.
residual tolerance	number	1e-09	Set the tolerance for the maximum allowed residual of the nonlinear system.
max nonlinear iterations alt	integer	0	Set the number of maximum nonlinear iterations with alternative tolerances.
field correction tolerance alt	number	1e-09	Set the alternative tolerance for the maximum allowed correction of the unknown field.
residual tolerance alt	number	1e-08	Set the alternative tolerance for the maximum allowed residual of the nonlinear system.
verbosity level	integer	-1	Set to one for detailed solver output.

heat: linear solver

Parameter	Type	Default	Description
solver type	string	GMRES	Set this parameter for choosing an iterative linear solver type. Allowed values: - CG - GMRES
preconditioner type	string	Diagonal	Set this parameter for choosing a preconditioner type. Allowed values: - Identity - AMG - ILU - Diagonal
max iterations	integer	10000	Set the maximum number of iterations for solving the linear system of equations.
rel tolerance	number	1e-12	Set the relative tolerance for a successful solution of the linear system of equations.
abs tolerance	number	1e-20	Set the absolute tolerance for a successful solution of the linear system of equations.
do matrix free	boolean	True	Set this parameter if a matrix free solution procedure should be performed.
monitor type	string	none	Set the monitor type of the linear solver. Allowed values: - none - reduced - all

heat: predictor

Parameter	Type	Default	Description
type	string	linear_extrapolation	Choose a predictor type: none: use old value as initial guess; zero: se zeros as initial guess; linear_extrapolation: calculate the predictor by a linear combination from the two old solution vectors; least_squares_projection: least squares projection (WIP) Allowed values: - none - zero - linear_extrapolation - least_squares_projection
n old solutions	integer	2	Choose the number of old solution vectors considered.This parameter is only relevant for least squares projection.For all other predictors, this parameter will be set appropriately.

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🔷 material

Parameter	Type	Default	Description
material template	string	none	If this parameter is initialized, the material parameters of the specified material will be used as template. Individual properties can be modified. However, be aware to put in the first place of the section in these cases. Allowed values: - none - stainless_steel - Ti64 - Ti64Benchmark
gas	object		See table
liquid	object		See table
solid	object		See table
solidus temperature	number	0.0	Solidus temperature (K).
liquidus temperature	number	0.0	Liquidus temperature (K).
apparent capacity type	string	qlq	Function type for the apparent capacity method to model latent heat during solidification. constant: apparent capacity is constant between the solidus and liquidus temperature; qlq: apparent capacity is given by a quadratic/quadratic function of temperature between the solidus and liquidus temperature (default); poly4_bell: apparent capacity is given by a bell-shaped quartic polynomial function of temperature between the solidus and liquidus temperature. Allowed values: - poly4_bell - constant - qlq
latent heat of fusion	number	0.0	Latent heat of fusion (J/kg)
boiling temperature	number	0.0	Boiling temperature (K).
latent heat of evaporation	number	0.0	Latent heat of evaporation (J/kg).
molar mass	number	0.0	Molar mass (mol/kg).
specific enthalpy reference temperature	number	-1e+100	Reference temperature of the specific enthalpy
two phase fluid properties transition type	string	smooth	Choose how to interpolate the properties over the interface. sharp: properties jump at heaviside = 0.5; smooth: properties are smeared between the phases proportional to the heaviside (default); consistent_with_evaporation: same as “smooth”, but the density is interpolated proportional by the harmonic mean. Allowed values: - sharp - smooth - consistent_with_evaporation
solid liquid properties transition type	string	mushy_zone	Choose how to interpolate the properties over between the liquid and the solid phase. mushy_zone: solid and liquid properties are interpolated between the solidus and liquidus temperature (default); sharp: the solid and liquid properties jump at the melting point, which is set via the solidus temperature. Allowed values: - mushy_zone - sharp

material: gas

Parameter	Type	Default	Description
thermal conductivity	number	0.0	thermal conductivity of the gas phase
specific heat capacity	number	0.0	specific heat capacity of the gas phase
density	number	0.0	density of the gas phase
dynamic viscosity	number	0.0	dynamic viscosity of the gas phase

material: liquid

Parameter	Type	Default	Description
thermal conductivity	number	0.0	thermal conductivity of the liquid phase
specific heat capacity	number	0.0	specific heat capacity of the liquid phase
density	number	0.0	density of the liquid phase
dynamic viscosity	number	0.0	dynamic viscosity of the liquid phase

material: solid

Parameter	Type	Default	Description
thermal conductivity	number	0.0	thermal conductivity of the solid phase
specific heat capacity	number	0.0	specific heat capacity of the solid phase
density	number	0.0	density of the solid phase
dynamic viscosity	number	0.0	dynamic viscosity of the solid phase

---

🔷 laser

Parameter	Type	Default	Description
model	string	not_initialized	Laser model. analytical_temperature: see Mirkoohi et al. (2019); volumetric: volumetric heat source, the intensity is defined by “”intensity profile””; interface_projection: projection-based regularized continuum surface flux in “direction”, the intensity is defined by “”intensity profile””; interface_projection_sharp: projection-based sharp surface flux in “direction”, the intensity is defined by “”intensity profile””; interface_projection_sharp_conforming: projection-based sharp surface flux in “direction” on a conforming mesh, the intensity is defined by “”intensity profile””; RTE: continuum surface flux projected using the radiative transport equation in “direction”, supporting shadowing of undercuts, the intensity is defined by “”intensity profile””; Allowed values: - not_initialized - analytical_temperature - volumetric - interface_projection_regularized - interface_projection_sharp - interface_projection_sharp_conforming - RTE
intensity profile	string	Gauss	Laser intensity profile. uniform: note that the “power” input is treated as the uniform power density in the whole domain; Gauss: Gaussian laser intensity shape with “radius” that retains the “power”; Gusarov: see Gusarov et al. (2009); Allowed values: - uniform - Gauss - Gusarov
power	number	0.0	Laser power
power over time	string	constant	Temporal distribution of the laser power Allowed values: - constant - ramp
power start time	number	0.0	In case of time-dependent laser power: activation time of
power end time	number	1.79769e+308	In case of time-dependent laser power: end time of
absorptivity gas	number	1.0	Laser energy absorptivity of the gaseous part of the domain.
absorptivity liquid	number	1.0	Laser energy absorptivity of the liquid part of the domain.
starting position	string	``	Center coordinates of the laser beam starting position on the interface melt/gas.
scan speed	number	0.0	Scan speed of the laser
scan direction	string	``	Direction of laser motion as a vector
beam direction	string	``	Laser beam direction.
beam rotation axis	string	``	Axis around which the initial laser beam direction will be rotated. Relevant only in 3D.
beam rotation angle	number	0.0	Rotation angle applied to the laser beam direction (in 3D about ‘beam rotation axis’ following the right-hand rule; in 2D: as defined by the 2D rotation matrix
radius	number	0.0	Laser beam radius.
gusarov	object		See table
analytical	object		See table
dirac delta function approximation	object		See table

laser: gusarov

Parameter	Type	Default	Description
reflectivity	number	0.0	Reflectivity of the material.
extinction coefficient	number	0.0	Extinction coefficient in [1/m].
layer thickness	number	0.0	Layer thickness

laser: analytical

Parameter	Type	Default	Description
ambient temperature	number	0.0	Ambient temperature in the inert gas.
max temperature	number	0.0	Maximum temperature arising in the melt pool. If this temperature is lower than the boiling temperature, this value is corrected to correspond to the boiling temperature + 500 K.
temperature x to y ratio	number	1.0	This factor scales the analytical temperature field to be anisotropic.

laser: dirac delta function approximation

Parameter	Type	Default	Description
type	string	norm_of_indicator_gradient	Choose how to smear a parameter over the interface. Allowed values: - norm_of_indicator_gradient - heaviside_phase_weighted - heaviside_times_heaviside_phase_weighted - reciprocal_phase_weighted - reciprocal_times_heaviside_phase_weighted - heavy_phase_only
auto weights	boolean	False	Choose if weights should be computed automatically.
gas phase weight	number	1.0	If >>> dirac delta function approximation type <<< is set to any phase weighted optionthis parameter controls the (first) weight of the gas phase (level set = -1).
heavy phase weight	number	1.0	If >>> dirac delta function approximation type <<< is set to any phase weighted optionthis parameter controls the (first) weight of the heavy phase (level set = 1).
gas phase weight 2	number	1.0	If >>> dirac delta function approximation type <<< is set to >>> heaviside_times_heaviside_phase_weighted <<< this parameter controls the second weight of the gas phase (level set = -1).
heavy phase weight 2	number	1.0	If >>> dirac delta function approximation type <<< is set to >>> heaviside_times_heaviside_phase_weighted <<< this parameter controls the second weight of the heavy liquid/solid phase (level set = 1).

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🔷 rte

Parameter	Type	Default	Description
fe	object		See table
rte verbosity level	integer	-1	Sets the maximum verbosity level of the console output. The maximum level with respect to the base value is decisive.
predictor type	string	none	Choose a predictor type. Allowed values: - none - pseudo_time_stepping
absorptivity type	string	gradient_based	Chooses the formulation of the absorptivity coefficient Allowed values: - constant - gradient_based
avoid singular matrix absorptivity	number	1e-16	Minimum value for absorptivity to ensure a non-singular matrix for RTE.
linear solver	object		See table
pseudo time stepping	object		See table
absorptivity	object		See table

rte: fe

Parameter	Type	Default	Description
type	string	not_initialized	Finite Element.FE_Q: hexahedral continuous finite element with polynomial degree p; FE_SimplexP: tetrahedral continuous finite element with polynomial degree p; FE_Q_iso_Q1: hexahedral continuous finite element with p subdivisions containing linear elements; FE_DGQ: hexahedral discontinuous finite element with polynomial degree p Allowed values: - not_initialized - FE_Q - FE_SimplexP - FE_Q_iso_Q1 - FE_DGQ
degree	integer	-1	Defines the degree p of the finite element type. If “type” is “FE_Q_iso_Q1” this parameter defines the number of subdivisions.

rte: linear solver

Parameter	Type	Default	Description
solver type	string	GMRES	Set this parameter for choosing an iterative linear solver type. Allowed values: - CG - GMRES
preconditioner type	string	ILU	Set this parameter for choosing a preconditioner type. Allowed values: - Identity - AMG - ILU - Diagonal
max iterations	integer	10000	Set the maximum number of iterations for solving the linear system of equations.
rel tolerance	number	1e-12	Set the relative tolerance for a successful solution of the linear system of equations.
abs tolerance	number	1e-20	Set the absolute tolerance for a successful solution of the linear system of equations.
do matrix free	boolean	True	Set this parameter if a matrix free solution procedure should be performed.
monitor type	string	none	Set the monitor type of the linear solver. Allowed values: - none - reduced - all

rte: pseudo time stepping

Parameter	Type	Default	Description
diffusion term scaling	number	1.0	Scaling parameter of diffusion term.
advection term scaling	number	1.0	Scaling parameter of advection term.
pseudo time scaling	number	0.01	Determine the pseudo-time step as the product of this scaling and minimum cell size.
rel tolerance	number	0.001	Pseudo-time stepping relative tolerance.
time stepping	object		See table
linear solver	object		See table

rte: pseudo time stepping: time stepping

Parameter	Type	Default	Description
start time	number	0.0	Defines the start time for the solution of the levelset problem
end time	number	1.79769e+308	Sets the end time for the solution of the levelset problem
time step size	number	0.0	Sets the step size for time stepping. For non-uniform time stepping, this parameter determines the size of the first time step.
max n steps	integer	1	Sets the maximum number of melt_pool steps
time step size function	string	0.0*t	Set an analytical function to determine the time step size. For the prediction of the new time increment, the old time is used.

rte: pseudo time stepping: linear solver

Parameter	Type	Default	Description
solver type	string	CG	Set this parameter for choosing an iterative linear solver type. Allowed values: - CG - GMRES
preconditioner type	string	ILU	Set this parameter for choosing a preconditioner type. Allowed values: - Identity - AMG - ILU - Diagonal
max iterations	integer	10000	Set the maximum number of iterations for solving the linear system of equations.
rel tolerance	number	1e-12	Set the relative tolerance for a successful solution of the linear system of equations.
abs tolerance	number	1e-20	Set the absolute tolerance for a successful solution of the linear system of equations.
do matrix free	boolean	True	Set this parameter if a matrix free solution procedure should be performed.
monitor type	string	none	Set the monitor type of the linear solver. Allowed values: - none - reduced - all

rte: absorptivity

Parameter	Type	Default	Description
absorptivity gas	number	0.1	Sets the absorptivity of the gas phase.
absorptivity liquid	number	0.9	Sets the absorptivity of the liquid phase.
avoid div zero constant	number	1e-16	Sets the absorptivity of the gas phase.

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🔷 evaporation

Parameter	Type	Default	Description
evaporative mass flux model	string	analytical	Choose the formulation how the evaporative mass flux mDot (kg/(m2s)) will be calculated. Allowed values: - analytical - recoil_pressure - saturated_vapor_pressure - hardt_wondra - pressure_aware
interface temperature evaluation type	string	local_value	Choose the formulation how the (local) evaporative mass flux will be converted to a DoF vector.will be calculated. When the CutFEM heat transfer operator is used, this input parameter is ignored and the temperature is evaluated at the sharp interface which is equivalent to “sharp”. Allowed values: - local_value - interface_value
analytical	object		See table
hardt wondra	object		See table
pressure aware	object		See table
evaporative dilation rate	object		See table
evaporative cooling	object		See table
recoil pressure	object		See table
formulation source term level set	string	interface_velocity_local	Select the type how the evaporative mass flux should be considered in the level set equation. Allowed values: - interface_velocity_sharp - interface_velocity_sharp_heavy - interface_velocity_local - rhs
do level set pressure gradient interpolation	boolean	False	Set if the level set gradient for computing the delta function within the evaporative mass flux source terms should be computed based on an interpolation to the pressure space. This is only implemented for evapor_level_set_source_term_type = rhs.

evaporation: analytical

Parameter	Type	Default	Description
function	string	not_initialized	For evapor evaporation model == analytical, prescribe a spatially constant mass flux due to evaporation (SI unit in kg/m²s), as a function over time t , e.g. min(2.*t,0.01).

evaporation: hardt wondra

Parameter	Type	Default	Description
coefficient	number	0.0	Evaporation coefficient for the model by Hardt and Wondra.

evaporation: pressure aware

Parameter	Type	Default	Description
Km	string	``	Fitting parameters for the evaporative mass flux function with pressure-aware boundary conditions.
ambient gas pressure	number	0.0	Ambient gas pressure for the pressure-aware model.

evaporation: evaporative dilation rate

Parameter	Type	Default	Description
enable	boolean	False	Set this parameter to true to consider the evaporative dilation rate in the Navier-Stokes equation. This results in an evaporation-induced jump in the normal velocity component.
model	string	regularized	Select how the additional source term due to evaporation in the continuity equation (=evaporative dilation rate) is computed. Allowed values: - regularized - sharp

evaporation: evaporative cooling

Parameter	Type	Default	Description
enable	boolean	False	Set this parameter to true to consider evaporative cooling in the heat equation
enable linear activation ramp	boolean	True	Enable a linear activation ramp for evaporative cooling between the activation temperature and the boiling temperature. If enabled, the mass flux increases smoothly and linearly within this temperature range. Otherwise, the mass flux is computed directly without applying a ramp.
consider enthalpy transport vapor mass flux	string	default	Set this parameter to true to account for the enthalpy transported by the vapor mass flux in the heat equation. This is only recommended if the vapor mass flux is not considered in the Navier-Stokes equations. Allowed values: - default - true - false
activation temperature	number	-1e+100	Activation temperature for the evaporative cooling. It must be smaller than or equal to the boiling temperature. By default, it will be chosen such that the transition from the linear activation ramp is kink-free.
model	string	regularized	Select how the additional source term due to evaporation in the heat equation (evaporative cooling) is computed. Allowed values: - none - regularized - sharp - sharp_conforming
dirac delta function approximation	object		See table

evaporation: evaporative cooling: dirac delta function approximation

Parameter	Type	Default	Description
type	string	norm_of_indicator_gradient	Choose how to smear a parameter over the interface. Allowed values: - norm_of_indicator_gradient - heaviside_phase_weighted - heaviside_times_heaviside_phase_weighted - reciprocal_phase_weighted - reciprocal_times_heaviside_phase_weighted - heavy_phase_only
auto weights	boolean	False	Choose if weights should be computed automatically.
gas phase weight	number	1.0	If >>> dirac delta function approximation type <<< is set to any phase weighted optionthis parameter controls the (first) weight of the gas phase (level set = -1).
heavy phase weight	number	1.0	If >>> dirac delta function approximation type <<< is set to any phase weighted optionthis parameter controls the (first) weight of the heavy phase (level set = 1).
gas phase weight 2	number	1.0	If >>> dirac delta function approximation type <<< is set to >>> heaviside_times_heaviside_phase_weighted <<< this parameter controls the second weight of the gas phase (level set = -1).
heavy phase weight 2	number	1.0	If >>> dirac delta function approximation type <<< is set to >>> heaviside_times_heaviside_phase_weighted <<< this parameter controls the second weight of the heavy liquid/solid phase (level set = 1).

evaporation: recoil pressure

Parameter	Type	Default	Description
enable	boolean	False	Set this parameter to true to prescribe the evaporation-induced jump in the pressure field (i.e. recoil pressure), considered as an interfacial force in the momentum balance equation.If ‘evaporative dilation rate’ is enabled, this pressure jump will be added to the one resulting from the discontinuous normal velocity field.
enable linear activation ramp	boolean	True	Enable a linear activation ramp for recoil pressure between the activation temperature and the boiling temperature. If enabled, the recoil pressure increases smoothly and linearly within this temperature range. Otherwise, the recoil pressure is computed directly without applying a ramp.
subtract ambient pressure	boolean	False	Subtract ambient pressure from the recoil pressure. This can be used to ensure that the recoil pressure is zero at the boiling temperature.
ambient gas pressure	number	101300.0	Ambient gas pressure for the recoil pressure model.
pressure coefficient	number	0.55	Pressure coefficient for the recoil pressure model.
temperature constant	number	-1.0	Temperature constant for the recoil pressure model. If this parameter is not set, the value is computed by latent_heat_evaporation * molar_mass / universal_gas_constant;
sticking constant	number	1.0	Sticking constant.
interface distributed flux type	string	local_value	Type that determines how the recoil pressure force is computed in the interfacial zone. Allowed values: - local_value - interface_value
activation temperature	number	-1e+100	Activation temperature for the recoil pressure. It must be smaller than or equal to the boiling temperature. As default value, the boiling temperature is chosen.
dirac delta function approximation	object		See table
type	string	phenomenological	Choose the model to compute the recoil pressure coefficient: phenomenological or hybrid, in case there is also an evaporation-induced velocity jump. Allowed values: - phenomenological - hybrid - pressure_aware
pressure aware	object		See table

evaporation: recoil pressure: dirac delta function approximation

Parameter	Type	Default	Description
type	string	norm_of_indicator_gradient	Choose how to smear a parameter over the interface. Allowed values: - norm_of_indicator_gradient - heaviside_phase_weighted - heaviside_times_heaviside_phase_weighted - reciprocal_phase_weighted - reciprocal_times_heaviside_phase_weighted - heavy_phase_only
auto weights	boolean	False	Choose if weights should be computed automatically.
gas phase weight	number	1.0	If >>> dirac delta function approximation type <<< is set to any phase weighted optionthis parameter controls the (first) weight of the gas phase (level set = -1).
heavy phase weight	number	1.0	If >>> dirac delta function approximation type <<< is set to any phase weighted optionthis parameter controls the (first) weight of the heavy phase (level set = 1).
gas phase weight 2	number	1.0	If >>> dirac delta function approximation type <<< is set to >>> heaviside_times_heaviside_phase_weighted <<< this parameter controls the second weight of the gas phase (level set = -1).
heavy phase weight 2	number	1.0	If >>> dirac delta function approximation type <<< is set to >>> heaviside_times_heaviside_phase_weighted <<< this parameter controls the second weight of the heavy liquid/solid phase (level set = 1).

evaporation: recoil pressure: pressure aware

Parameter	Type	Default	Description
Kp	string	``	Fitting parameters for the recoil pressure calculation with pressure-aware boundary conditions.
ambient gas pressure	number	0.0	Ambient gas pressure for the pressure-aware model.

---

🔷 output

Parameter	Type	Default	Description
directory	string	./	Sets the base directory for all output.
write frequency	integer	1	Every n timestep that should be written
write time step size	number	1.79769e+308	Write output output every given time step. If this parameter is set, the output write frequency is deactivated.
output variables	string	all	Specify variables that you request to output.
do user defined postprocessing	boolean	False	Set this parameter to true to enable user defined postprocessing.
paraview	object		See table
particles	object		See table

output: paraview

Parameter	Type	Default	Description
enable	boolean	False	Set this parameter to true to activate paraview output.
filename	string	solution	Sets the base name for paraview output files.
n digits timestep	integer	4	Number of digits for the frame number of the vtu-file.
print boundary id	boolean	False	Set this parameter to true to output a vtu-file with the boundary id.
output subdomains	boolean	False	Set this parameter to true to output the subdomain ranks.
output material id	boolean	False	Set to true to output the material id.
write higher order cells	boolean	True	Set this parameter to false to write bi- or trilinear data only. Set this parameter to true to write higher order cell data. Note: higher order cell data can only be written for hexahedron meshes and 2 or 3 dimensions.
n groups	integer	1	Number of parallel written vtu-files.
n patches	integer	0	Control number of patches to enable high-order.

output: particles

Parameter	Type	Default	Description
enable	boolean	False	Set this parameter to true to activate particle paraview output.
filename	string	particle	Sets the base name for particle output files.

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🔷 profiling

Parameter	Type	Default	Description
enable	boolean	False	Set this parameter to true if profiling should be enabled. It will be automaticallyenabled for verbosity level >=1.
write time step size	number	10.0	Write profiling output every given time step size. If this parameter is set, the specified parameter for write frequency is overwritten.
time type	string	real	Choose the type of time measure to write profiling information. Allowed values: - real - simulation

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🔷 application specific

Parameter	Type	Default	Description
do solidification	boolean	False	Set this parameter to true if you want to consider melting/solidification effects.
amr strategy	string	KellyErrorEstimator	Select the AMR strategy. Allowed values: - KellyErrorEstimator - generic

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