diff options
Diffstat (limited to 'Source/FieldSolver/FiniteDifferenceSolver/MacroscopicProperties/MacroscopicProperties.H')
| -rw-r--r-- | Source/FieldSolver/FiniteDifferenceSolver/MacroscopicProperties/MacroscopicProperties.H | 117 |
1 files changed, 89 insertions, 28 deletions
diff --git a/Source/FieldSolver/FiniteDifferenceSolver/MacroscopicProperties/MacroscopicProperties.H b/Source/FieldSolver/FiniteDifferenceSolver/MacroscopicProperties/MacroscopicProperties.H index e638be1c5..040fe2a67 100644 --- a/Source/FieldSolver/FiniteDifferenceSolver/MacroscopicProperties/MacroscopicProperties.H +++ b/Source/FieldSolver/FiniteDifferenceSolver/MacroscopicProperties/MacroscopicProperties.H @@ -1,3 +1,10 @@ +/* Copyright 2020 Revathi Jambunathan + * + * This file is part of WarpX. + * + * License: BSD-3-Clause-LBNL + */ + #ifndef WARPX_MACROSCOPICPROPERTIES_H_ #define WARPX_MACROSCOPICPROPERTIES_H_ @@ -15,6 +22,81 @@ #include <memory> #include <string> + +enum MacroparameterInitType { ConstantValue, ParserFunction}; + +/** + * \brief Functor to return macropameter, either constant value, m_value, or + * spatially varying scalar value computed using the parser function, m_parser. + */ + +struct GetMacroparameter +{ + /* Type of initialization for macroparameter, constant or parser function */ + MacroparameterInitType m_type; + /* Constant value of the macroparameter. */ + amrex::Real m_value; + /* Parser funtion of the spatially varying macroparameter*/ + amrex::ParserExecutor<3> m_parser; + /** + * \brief Functor call. This method returns the value of the macroparameter, + * or property of the medium needed for the macroscopic Maxwell solver, + * at a given location (x,y,z) in the domain. + * + * @param[in] x x-coordinate of a given location + * @param[in] y y-coordinate of a given location + * @param[in] z z-coordinate of a given location + * @return value of the macroparameter at (x,y,z). + * m_value if init-type is constant + * m_parser(x,y,z) if init-type is parser function + */ + AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE + amrex::Real operator () (amrex::Real x, amrex::Real y, amrex::Real z) const noexcept + { + using namespace amrex::literals; + if (m_type == ConstantValue) + { + return m_value; + } + else if (m_type == ParserFunction) + { + return m_parser(x,y,z); + } + else + { + amrex::Abort("macroparameter init type not valid."); + return 0.; + } + return 0.; + } +}; + +/** + * \brief Functor for conductivity, sigma, of the medium. + */ +struct GetSigmaMacroparameter : GetMacroparameter +{ + /** Constructor to store the type of intialization, m_type, and the value or parser function. */ + GetSigmaMacroparameter () noexcept; +}; + +/** + * \brief Functor for permeability, mu, of the medium. + */ +struct GetMuMacroparameter : GetMacroparameter +{ + /** Constructor to store the type of intialization, m_type, and the value or parser function. */ + GetMuMacroparameter () noexcept; +}; + +/** + * \brief Functor for permittivity, epsilon, of the medium. + */ +struct GetEpsilonMacroparameter : GetMacroparameter +{ + /** Constructor to store the type of intialization, m_type, and the value or parser function. */ + GetEpsilonMacroparameter () noexcept; +}; /** * \brief This class contains the macroscopic properties of the medium needed to * evaluate macroscopic Maxwell equation. @@ -29,47 +111,25 @@ public: /** Initialize multifabs storing macroscopic multifabs */ void InitData (); - /** return MultiFab, sigma (conductivity) of the medium. */ - amrex::MultiFab& getsigma_mf () {return (*m_sigma_mf);} - /** return MultiFab, epsilon (permittivity) of the medium. */ - amrex::MultiFab& getepsilon_mf () {return (*m_eps_mf);} - /** return MultiFab, mu (permeability) of the medium. */ - amrex::MultiFab& getmu_mf () {return (*m_mu_mf);} - - /** Initializes the Multifabs storing macroscopic properties - * with user-defined functions(x,y,z). - */ - void InitializeMacroMultiFabUsingParser (amrex::MultiFab *macro_mf, - amrex::ParserExecutor<3> const& macro_parser, - int lev); - /** Gpu Vector with index type of the conductivity multifab */ - amrex::GpuArray<int, 3> sigma_IndexType; - /** Gpu Vector with index type of the permittivity multifab */ - amrex::GpuArray<int, 3> epsilon_IndexType; - /** Gpu Vector with index type of the permeability multifab */ - amrex::GpuArray<int, 3> mu_IndexType; /** Gpu Vector with index type of the Ex multifab */ amrex::GpuArray<int, 3> Ex_IndexType; /** Gpu Vector with index type of the Ey multifab */ amrex::GpuArray<int, 3> Ey_IndexType; /** Gpu Vector with index type of the Ez multifab */ amrex::GpuArray<int, 3> Ez_IndexType; - /** Gpu Vector with index type of coarsening ratio with default value (1,1,1) */ - amrex::GpuArray<int, 3> macro_cr_ratio; + /** Gpu Vector with index type of the Bx multifab */ + amrex::GpuArray<int, 3> Bx_IndexType; + /** Gpu Vector with index type of the By multifab */ + amrex::GpuArray<int, 3> By_IndexType; + /** Gpu Vector with index type of the Bz multifab */ + amrex::GpuArray<int, 3> Bz_IndexType; -private: /** Conductivity, sigma, of the medium */ amrex::Real m_sigma = 0.0; /** Permittivity, epsilon, of the medium */ amrex::Real m_epsilon = PhysConst::ep0; /** Permeability, mu, of the medium */ amrex::Real m_mu = PhysConst::mu0; - /** Multifab for m_sigma */ - std::unique_ptr<amrex::MultiFab> m_sigma_mf; - /** Multifab for m_epsilon */ - std::unique_ptr<amrex::MultiFab> m_eps_mf; - /** Multifab for m_mu */ - std::unique_ptr<amrex::MultiFab> m_mu_mf; /** Stores initialization type for conductivity : constant or parser */ std::string m_sigma_s = "constant"; /** Stores initialization type for permittivity : constant or parser */ @@ -85,6 +145,7 @@ private: std::unique_ptr<amrex::Parser> m_sigma_parser; std::unique_ptr<amrex::Parser> m_epsilon_parser; std::unique_ptr<amrex::Parser> m_mu_parser; + }; /** |