1 files changed, 38 insertions, 0 deletions
diff --git a/Source/FieldSolver/SpectralSolver/SpectralAlgorithms/PsatdAlgorithmRZ.H b/Source/FieldSolver/SpectralSolver/SpectralAlgorithms/PsatdAlgorithmRZ.H
new file mode 100644
index 000000000..309bb050f
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+++ b/Source/FieldSolver/SpectralSolver/SpectralAlgorithms/PsatdAlgorithmRZ.H
@@ -0,0 +1,38 @@
+/* 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);
+        // 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);
+
+    private:
+        bool coefficients_initialized;
+        // Note that dt is saved to use in InitializeSpectralCoefficients
+        amrex::Real dt;
+        SpectralCoefficients C_coef, S_ck_coef, X1_coef, X2_coef, X3_coef;
+};
+
+#endif // WARPX_PSATD_ALGORITHM_RZ_H_