From caa138c8cc6b877888e8a7b18ef7cb72882b18d5 Mon Sep 17 00:00:00 2001 From: Olga Shapoval <30510597+oshapoval@users.noreply.github.com> Date: Wed, 8 Jul 2020 07:51:01 -0700 Subject: Averaged Galilean PSATD (#869) * Read Galilean velocity * Prepare structures for Galilean solver * Started implementing Galilean equations * Analytical limits for X1, X2, X3, X4 coefficients added * Slight changes added * Added Galilean position pusher * Scale galilean velocity * Remove unneeded Abort * Fix Galilean pusher * Allocate Theta2 array * Fix definition of coefficients * Increase guard cells for Galilean * Add guard cell in particle exchange * Added modifications for PICSAR galilean branch * Averaged coefficients added * Type corrected * v_gal added to warpx_current_deposition * v_gal added to WarpXParticleContainer.H * Bug fixed - update particle x-position over one time step * Fix issues with merge from dev * Averaged fileds allocated on fine patch (Ex) * Preparation for merging dev into galilean. * remove TABs by hand * Removed a tab. * Redeclared v_galilean as a vector & related changed * Added an automated test * Moved v_galilean inside WarpX constructor * Added analysis script for the automated test * Changed name of the automated test to galilean_psatd * Added InitializeSpectralCoefficients method * Removed temporary comments * Averaged fields added to FiledGather * Added infinite order k[i] * Setting kx_mod( kz_mod) = 0 for index = nx/2(-nz/2) * Adding galilean shift * Implemented galilean shift * Changed method's name from GalileanShift to ShiftGalileanBoundary * Added doxygen string for ShiftGalileanBoundary * Removed never used method LowerCornerWithCentering * Removed temporary comments * Removed dt as a variable from DepositCharge method and its dependencies * Changing type of v_galilean from amrex::Vector to amrex::Array * Changed back ng_fft to be equal nox_fft * Changed v_galilean's type from amrex::vector to amrex::array * Removed type * Removed temporary comments * Added flag 'do_time_averaging' to swith from unaveraged to averaged Galilean PSATD * Updated doxygen * Small fix on using 'do_time_averaging' flag * Remove some commented Print statements * [skip ci] Further cleanup * Fix compilation * Guard cells update of the averaged E,B fields * Corrected included header file accordingly * Removed EOL * Removed EOL * Corrected path of the included header file * Updated choice of the spectral solver. * Cleanup. * use amrex::exp instead of std::exp * no backward FFT for avg fields if avg is off * Need to shift avg fields in MoveWindow * Further cleaning * Added 2D automated test for averaged PSATD * Added automated 2D and 3D tests for averaged PSATD * Removed comments * Added specifications for averaged Galilean PSATD tests. * Bug fixed - do FillBoundary of the averaged fields only if averaged is activated * Do shiftMF of the averaged fields only if fft_do_time_averaging=true * Add checksum json benchmarks for averaged Galilean PSATD * Add missing indentation * Add missing indentation * Updated automated analysis script * Updated diags period * Fixed bug: no backtransform of the averaged fields when WARPX_DIM_RZ is set * Fixed an uninitialized variable * Clean-up * Changed permissions for analysis_avg_*d.py * Compactified variables initialization via conditional assignment * Initialized averaged E_avg, B_avg fields * Updated automated test for 2D averaged galilean PSATD * Updated benchmark for 2D averaged galilean PSATD * Updated automated 2D averaged PSATD test & benchmark * Updated automated 3D averaged PSATD test & benchmark * Fixed typo * Updated benchmark averaged_galilean_3d_psatd * Initialize the averaged fields only if the averaged Galilean PSATD algorithm is enabled * Encreased time step for automated 3D averaged Galilean PSATD (to be equal c*dt=dz while dz/dx=3) * Updated 3D automated test: specified standard deviations `.ux_th, .uy_th, .uz_th` along each direction * Typo from the previous commit: enabled the averaged algorithm * Trying out another input parameters for 3D averaged automated test with v_gal = v_plasma * Update benchmark for previously added 3D averaged automated test * Update 2D averaged automated test and corresponding benchmark * Revert "Updated diags period" This reverts commit 7334729b05e96589e020c981efdb430ca095991d. * Cleanup: removed unwanted comment. * Added descriptions of the 2D and 3D automated tests for the averaged Galilean PSATD. * Updated value calculated via standard Galilean PSATD. * Encreased relative error tolerance for 3D automated test for the averaged Galilean PSATD. * Removed to avoid duplication since it already specified in the corresponding 2D/3D input scripts. * Removed unwanted empty lines * Added spaces after function's names * Removed unwanted empty line * Removed * Fixed indentation * Cleanup: removed #include * Cleanup: removed empty lines and fixed indentation * Added 'AvgGalileanAlgorithm.cpp' to 'CMakeLists.txt' Co-authored-by: Remi Lehe Co-authored-by: MaxThevenet --- .../SpectralAlgorithms/AvgGalileanAlgorithm.H | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Source/FieldSolver/SpectralSolver/SpectralAlgorithms/AvgGalileanAlgorithm.H (limited to 'Source/FieldSolver/SpectralSolver/SpectralAlgorithms/AvgGalileanAlgorithm.H') diff --git a/Source/FieldSolver/SpectralSolver/SpectralAlgorithms/AvgGalileanAlgorithm.H b/Source/FieldSolver/SpectralSolver/SpectralAlgorithms/AvgGalileanAlgorithm.H new file mode 100644 index 000000000..79536cf27 --- /dev/null +++ b/Source/FieldSolver/SpectralSolver/SpectralAlgorithms/AvgGalileanAlgorithm.H @@ -0,0 +1,30 @@ +#ifndef WARPX_AVG_GALILEAN_ALGORITHM_H_ +#define WARPX_AVG_GALILEAN_ALGORITHM_H_ + +#include "FieldSolver/SpectralSolver/SpectralAlgorithms/SpectralBaseAlgorithm.H" + +/* \brief Class that updates the field in spectral space + * and stores the coefficients of the corresponding update equation. + */ +class AvgGalileanAlgorithm : public SpectralBaseAlgorithm +{ + public: + AvgGalileanAlgorithm (const SpectralKSpace& spectral_kspace, + const amrex::DistributionMapping& dm, + const int norder_x, const int norder_y, + const int norder_z, const bool nodal, + const amrex::Array& v_galilean, + const amrex::Real dt); + // Redefine update equation from base class + virtual void pushSpectralFields (SpectralFieldData& f) const override final; + virtual int getRequiredNumberOfFields () const override final { + return SpectralAvgFieldIndex::n_fields; + } + + private: + SpectralRealCoefficients C_coef, S_ck_coef, C1_coef, C3_coef, S1_coef,S3_coef; + SpectralComplexCoefficients Theta2_coef, X1_coef, X2_coef, X3_coef, X4_coef, Psi1_coef, Psi2_coef, Psi3_coef, Psi4_coef, A1_coef, A2_coef, Rhoold_coef, Rhonew_coef, Jcoef_coef; + +}; + +#endif // WARPX_GALILEAN_ALGORITHM_H_ -- cgit v1.2.3