From ec072594fb1bddb4631c55fb3018050cbf461243 Mon Sep 17 00:00:00 2001
From: Edoardo Zoni <59625522+EZoni@users.noreply.github.com>
Date: Wed, 2 Feb 2022 16:29:52 -0800
Subject: Rename PSATD Classes (#2805)

* Rename PSATD Classes

* Rename PsatdAlgorithmJLinear as PsatdAlgorithmJLinearInTime
---
 .../SpectralAlgorithms/PsatdAlgorithmPmlRZ.H       | 72 ++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 Source/FieldSolver/SpectralSolver/SpectralAlgorithms/PsatdAlgorithmPmlRZ.H

(limited to 'Source/FieldSolver/SpectralSolver/SpectralAlgorithms/PsatdAlgorithmPmlRZ.H')

diff --git a/Source/FieldSolver/SpectralSolver/SpectralAlgorithms/PsatdAlgorithmPmlRZ.H b/Source/FieldSolver/SpectralSolver/SpectralAlgorithms/PsatdAlgorithmPmlRZ.H
new file mode 100644
index 000000000..fac84b90a
--- /dev/null
+++ b/Source/FieldSolver/SpectralSolver/SpectralAlgorithms/PsatdAlgorithmPmlRZ.H
@@ -0,0 +1,72 @@
+/* Copyright 2021 David Grote
+ *
+ * This file is part of WarpX.
+ *
+ * License: BSD-3-Clause-LBNL
+ */
+#ifndef WARPX_PSATD_ALGORITHM_PML_RZ_H_
+#define WARPX_PSATD_ALGORITHM_PML_RZ_H_
+
+#include "SpectralBaseAlgorithmRZ.H"
+
+/* \brief Class that updates the field in spectral space
+ * and stores the coefficients of the corresponding update equation.
+ */
+class PsatdAlgorithmPmlRZ : public SpectralBaseAlgorithmRZ
+{
+
+    public:
+        PsatdAlgorithmPmlRZ (SpectralKSpaceRZ const & spectral_kspace,
+                             amrex::DistributionMapping const & dm,
+                             const SpectralFieldIndex& spectral_index,
+                             int const n_rz_azimuthal_modes, int const norder_z,
+                             bool const nodal, amrex::Real const dt_step);
+
+        // Redefine functions from base class
+        virtual void pushSpectralFields (SpectralFieldDataRZ & f) override final;
+
+        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:
+
+        SpectralFieldIndex m_spectral_index;
+
+        bool coefficients_initialized;
+        // Note that dt is saved to use in InitializeSpectralCoefficients
+        amrex::Real m_dt;
+        SpectralRealCoefficients C_coef, S_ck_coef;
+};
+
+#endif // WARPX_PSATD_ALGORITHM_PML_RZ_H_
-- 
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