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/* Copyright 2019 David Grote
*
* This file is part of WarpX.
*
* License: BSD-3-Clause-LBNL
*/
#ifndef WARPX_PSATD_ALGORITHM_RZ_H_
#define WARPX_PSATD_ALGORITHM_RZ_H_
#include "SpectralBaseAlgorithmRZ.H"
/* \brief Class that updates the field in spectral space
* and stores the coefficients of the corresponding update equation.
*/
class PsatdAlgorithmRZ : public SpectralBaseAlgorithmRZ
{
public:
PsatdAlgorithmRZ(SpectralKSpaceRZ const & spectral_kspace,
amrex::DistributionMapping const & dm,
int const n_rz_azimuthal_modes, int const norder_z,
bool const nodal, amrex::Real const dt_step,
bool const update_with_rho);
// Redefine functions from base class
virtual void pushSpectralFields(SpectralFieldDataRZ & f) override final;
virtual int getRequiredNumberOfFields() const override final {
return SpectralFieldIndex::n_fields;
}
void InitializeSpectralCoefficients(SpectralFieldDataRZ const & f);
/**
* \brief Virtual function for current correction in Fourier space
* (<a href="https://doi.org/10.1016/j.jcp.2013.03.010"> Vay et al, 2013</a>).
* This function overrides the virtual function \c CurrentCorrection in the
* base class \c SpectralBaseAlgorithmRZ and cannot be overridden by further
* derived classes.
*
* \param[in,out] field_data All fields in Fourier space
* \param[in,out] current Array of unique pointers to \c MultiFab storing
* the three components of the current density
* \param[in] rho Unique pointer to \c MultiFab storing the charge density
*/
virtual void CurrentCorrection (const int lev,
SpectralFieldDataRZ& field_data,
std::array<std::unique_ptr<amrex::MultiFab>,3>& current,
const std::unique_ptr<amrex::MultiFab>& rho) override final;
/**
* \brief Virtual function for Vay current deposition in Fourier space
* (<a href="https://doi.org/10.1016/j.jcp.2013.03.010"> Vay et al, 2013</a>).
* This function overrides the virtual function \c VayDeposition in the
* base class \c SpectralBaseAlgorithmRZ and cannot be overridden by further
* derived classes.
*
* \param[in,out] field_data All fields in Fourier space
* \param[in,out] current Array of unique pointers to \c MultiFab storing
* the three components of the current density
*/
virtual void VayDeposition (const int lev,
SpectralFieldDataRZ& field_data,
std::array<std::unique_ptr<amrex::MultiFab>,3>& current) override final;
private:
bool coefficients_initialized;
// Note that dt is saved to use in InitializeSpectralCoefficients
amrex::Real m_dt;
bool m_update_with_rho;
SpectralRealCoefficients C_coef, S_ck_coef, X1_coef, X2_coef, X3_coef;
};
#endif // WARPX_PSATD_ALGORITHM_RZ_H_
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