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@ -502,79 +502,82 @@ make
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\end{itemize}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\subsection{boundary}
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The array object \textbf{boundary} determines the interaction between surfaces and particles.
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These boundaries need to be linked to a specific edge in the mesh.
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The accepted variables are:
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\subsection{boundaries}
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The object \textbf{boundaries} has two main arrays that define the particle boundaries and the ones that must be applied to the electromagnetic field.
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\begin{itemize}
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\item \textbf{name}: Character.
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Name of the boundary.
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\item \textbf{physicalSurface}: Integer.
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Identification of the surface in the mesh file.
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\item \textbf{bType}: Array of objects of dimension 'number of species'.
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Per each species defined in the case, a boundary \textbf{type} needs to be provided.
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Accepted values for \textbf{type} are:
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\begin{itemize}
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\item \textbf{reflection}: Elastic reflection of particles.
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\item \textbf{absorption}: Particle is eliminated from the domain.
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The particle is first moved into the edge and its properties are scattered among the edge nodes.
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\item \textbf{transparent}: Particle abandon the numerical domain.
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\item \textbf{wallTemperature}: Reflective wall with constant temperature that exchange heat with particles.
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Required parameters are:
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\begin{itemize}
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\item \textbf{temperature}: Real.
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Units of $\unit{K}$.
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Temperature wall.
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\item \textbf{specificHeat}: Real.
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Units of $\unit{J kg^{-1} K^{-1}}$.
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Specific heat capacity of the material.
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\end{itemize}
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\item \textbf{ionization}: Per each particle crossing the surface with this type of boundary, a number of ionization events are calculated.
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A pair of ion-electron is generated for each ionization event, taking as a reference a neutral background.
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The secondary electron is taken as the same type as the incident particle.
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The available input is:
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\begin{itemize}
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\item \textbf{neutral}: Object.
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Information about the neutral background.
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Required parameters are:
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\begin{itemize}
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\item \textbf{ion}: Character.
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Species name of the ion generated as defined in object \textbf{species}.
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Required parameter.
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\item \textbf{mass}: Real.
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Units in $\unit{kg}$.
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Mass of neutral species.
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If missing, the mass of the ion is used
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\item \textbf{density}: Real.
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Units in $\unit{m^{-3}}$.
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Density of neutral background.
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Required parameter.
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\item \textbf{velocity}: Real.
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Units in $\unit{m s^{-1}}$.
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Array of dimension $3$.
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Mean velocity of neutral background.
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Required parameter.
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\item \textbf{temperature}: Real.
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Units in $\unit{K}$.
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Temperature of neutral background.
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Required parameter.
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\end{itemize}
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\item \textbf{effectiveTime}: Real.
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Units in $\unit{s}$.
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As the particle is no longer simulated once it crossed the boundary, this time represents the effective time in which the particle produces ionization processes in the neutral background.
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Required parameter.
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\item \textbf{energyThreashold}: Real.
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Units in $\unit{eV}$.
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Ionization energy threshold for the simulated process.
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Required parameter.
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\item \textbf{crossSection}: Character.
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Complete path to the cross-section data for the ionization process.
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\end{itemize}
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\item \textbf{axis}: Identifies the symmetry axis for 2D cylindrical simulations.
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If , for some reason, a particle interacts with this axis, it is reflected.
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\end{itemize}
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\item \textbf{particles}. Array of objects.
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Different models for interaction between particles and edges.
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\begin{itemize}
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\item \textbf{name}: Character.
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Name of the boundary.
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\item \textbf{physicalSurface}: Integer.
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Identification of the surface in the mesh file.
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\item \textbf{bType}: Array of objects of dimension 'number of species'.
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Per each species defined in the case, a boundary \textbf{type} needs to be provided.
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Accepted values for \textbf{type} are:
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\begin{itemize}
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\item \textbf{reflection}: Elastic reflection of particles.
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\item \textbf{absorption}: Particle is eliminated from the domain.
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The particle is first moved into the edge and its properties are scattered among the edge nodes.
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\item \textbf{transparent}: Particle abandon the numerical domain.
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\item \textbf{wallTemperature}: Reflective wall with constant temperature that exchange heat with particles.
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Required parameters are:
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\begin{itemize}
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\item \textbf{temperature}: Real.
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Units of $\unit{K}$.
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Temperature wall.
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\item \textbf{specificHeat}: Real.
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Units of $\unit{J kg^{-1} K^{-1}}$.
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Specific heat capacity of the material.
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\end{itemize}
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\item \textbf{ionization}: Per each particle crossing the surface with this type of boundary, a number of ionization events are calculated.
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A pair of ion-electron is generated for each ionization event, taking as a reference a neutral background.
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The secondary electron is taken as the same type as the incident particle.
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The available input is:
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\begin{itemize}
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\item \textbf{neutral}: Object.
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Information about the neutral background.
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Required parameters are:
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\begin{itemize}
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\item \textbf{ion}: Character.
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Species name of the ion generated as defined in object \textbf{species}.
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Required parameter.
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\item \textbf{mass}: Real.
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Units in $\unit{kg}$.
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Mass of neutral species.
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If missing, the mass of the ion is used
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\item \textbf{density}: Real.
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Units in $\unit{m^{-3}}$.
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Density of neutral background.
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Required parameter.
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\item \textbf{velocity}: Real.
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Units in $\unit{m s^{-1}}$.
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Array of dimension $3$.
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Mean velocity of neutral background.
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Required parameter.
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\item \textbf{temperature}: Real.
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Units in $\unit{K}$.
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Temperature of neutral background.
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Required parameter.
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\end{itemize}
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\item \textbf{effectiveTime}: Real.
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Units in $\unit{s}$.
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As the particle is no longer simulated once it crossed the boundary, this time represents the effective time in which the particle produces ionization processes in the neutral background.
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Required parameter.
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\item \textbf{energyThreashold}: Real.
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Units in $\unit{eV}$.
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Ionization energy threshold for the simulated process.
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Required parameter.
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\item \textbf{crossSection}: Character.
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Complete path to the cross-section data for the ionization process.
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\end{itemize}
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\item \textbf{axis}: Identifies the symmetry axis for 2D cylindrical simulations.
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If , for some reason, a particle interacts with this axis, it is reflected.
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\end{itemize}
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\end{itemize}
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\item \textbf{EM}
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\end{itemize}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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