MeltPoolDG::Evaporation::EvaporationModelPressureAware< number > Class Template Reference

This class implements the evaporative mass flux computed with pressure-aware boundary conditions, as presented in Refined Formulations of Resolved Vapor Flow and Unresolved Recoil Pressure Models for Rapid Evaporation in Metal Additive Manufacturing under Elevated Pressure. More...

#include <evaporation_model_pressure_aware.hpp>

Inheritance diagram for MeltPoolDG::Evaporation::EvaporationModelPressureAware< number >:

Collaboration diagram for MeltPoolDG::Evaporation::EvaporationModelPressureAware< number >:

Public Member Functions
	EvaporationModelPressureAware (const typename EvaporationData< number >::PressureAwareData &pressure_aware_data, const number boiling_temperature, const number latent_heat_evaporation)
	Constructor.
number	local_compute_evaporative_mass_flux (const number T) const final
	Compute evaporative mass flux is computed as.
dealii::VectorizedArray< number >	local_compute_evaporative_mass_flux_vec (const dealii::VectorizedArray< number > &T) const final
number	local_compute_evaporative_mass_flux_derivative (const number T) const final
	Compute the derivative of the evaporative mass flux as.
dealii::VectorizedArray< number >	local_compute_evaporative_mass_flux_vec_derivative (const dealii::VectorizedArray< number > &T) const final
Public Member Functions inherited from MeltPoolDG::Evaporation::EvaporationModelBase< number >
virtual	~EvaporationModelBase ()=default

Private Attributes
const EvaporationData< number >::PressureAwareData	pressure_aware_data
	Data structure holding fitting parameters (Km) and ambient gas pressure.
const number	boiling_temperature
	Boiling temperature at given build chamber pressure level.
const number	latent_heat_evaporation
	Latent heat of evaporation.
std::vector< number >	Km
	Fitting parameters for empirical correlations in the free-surface model.
const number	ambient_gas_pressure
	Ambient gas pressure (build chamber pressure)

Detailed Description

template<typename number>
class MeltPoolDG::Evaporation::EvaporationModelPressureAware< number >

This class implements the evaporative mass flux computed with pressure-aware boundary conditions, as presented in Refined Formulations of Resolved Vapor Flow and Unresolved Recoil Pressure Models for Rapid Evaporation in Metal Additive Manufacturing under Elevated Pressure.

Constructor & Destructor Documentation

EvaporationModelPressureAware()

template<typename number >

MeltPoolDG::Evaporation::EvaporationModelPressureAware< number >::EvaporationModelPressureAware	(	const typename EvaporationData< number >::PressureAwareData &	pressure_aware_data,
		const number	boiling_temperature,
		const number	latent_heat_evaporation
	)

Constructor.

Parameters

pressure_aware_data	Data structure holding fitting parameters (Km) and ambient gas pressure.
boling_temperature	Boiling temperature at given build chamber pressure level.
latent_heat_of_evaporation	Latent heat of evaporation.

Member Function Documentation

local_compute_evaporative_mass_flux()

template<typename number >

number MeltPoolDG::Evaporation::EvaporationModelPressureAware< number >::local_compute_evaporative_mass_flux ( const number  T ) const

finalvirtual

Compute evaporative mass flux is computed as.

. Nm-1 m(T) = ∑ Kₘ,ᵢ · (T - Tᵥ(pᵍ))ⁱ⁺¹ i=0

Parameters

T	Melt surface temperature.

Returns

evaporative mass flux.

Implements MeltPoolDG::Evaporation::EvaporationModelBase< number >.

local_compute_evaporative_mass_flux_derivative()

template<typename number >

number MeltPoolDG::Evaporation::EvaporationModelPressureAware< number >::local_compute_evaporative_mass_flux_derivative ( const number  T ) const

finalvirtual

Compute the derivative of the evaporative mass flux as.

d m Nm-1 --— = ∑ Kₘ,ᵢ · (i+1) · (T - Tᵥ(pᵍ))ⁱ d T i=0

Parameters

T	Melt surface temperature.

Returns

evaporative mass flux derivative.

Reimplemented from MeltPoolDG::Evaporation::EvaporationModelBase< number >.

local_compute_evaporative_mass_flux_vec()

template<typename number >

dealii::VectorizedArray< number > MeltPoolDG::Evaporation::EvaporationModelPressureAware< number >::local_compute_evaporative_mass_flux_vec ( const dealii::VectorizedArray< number > &  ) const

finalvirtual

                                               .

Base function to compute the evaporative mass flux m in kg/(m^2 s) for a given temperature value T.

Reimplemented from MeltPoolDG::Evaporation::EvaporationModelBase< number >.

local_compute_evaporative_mass_flux_vec_derivative()

template<typename number >

dealii::VectorizedArray< number > MeltPoolDG::Evaporation::EvaporationModelPressureAware< number >::local_compute_evaporative_mass_flux_vec_derivative ( const dealii::VectorizedArray< number > &  T ) const

finalvirtual

Reimplemented from MeltPoolDG::Evaporation::EvaporationModelBase< number >.

Member Data Documentation

ambient_gas_pressure

template<typename number >

const number MeltPoolDG::Evaporation::EvaporationModelPressureAware< number >::ambient_gas_pressure

private

Ambient gas pressure (build chamber pressure)

boiling_temperature

template<typename number >

const number MeltPoolDG::Evaporation::EvaporationModelPressureAware< number >::boiling_temperature

private

Boiling temperature at given build chamber pressure level.

Km

template<typename number >

std::vector<number> MeltPoolDG::Evaporation::EvaporationModelPressureAware< number >::Km

private

Fitting parameters for empirical correlations in the free-surface model.

latent_heat_evaporation

template<typename number >

const number MeltPoolDG::Evaporation::EvaporationModelPressureAware< number >::latent_heat_evaporation

private

Latent heat of evaporation.

pressure_aware_data

template<typename number >

const EvaporationData<number>::PressureAwareData MeltPoolDG::Evaporation::EvaporationModelPressureAware< number >::pressure_aware_data

private

Data structure holding fitting parameters (Km) and ambient gas pressure.

---

The documentation for this class was generated from the following files:

• include/meltpooldg/phase_change/evaporation_model_pressure_aware.hpp
• source/phase_change/evaporation_model_pressure_aware.cpp