diff options
Diffstat (limited to 'Source')
| -rw-r--r-- | Source/WarpX.H | 41 |
1 files changed, 29 insertions, 12 deletions
diff --git a/Source/WarpX.H b/Source/WarpX.H index b74598bf1..db5afa6bd 100644 --- a/Source/WarpX.H +++ b/Source/WarpX.H @@ -159,12 +159,14 @@ public: //! Author of an input file / simulation setup static std::string authors; - // Initial field on the grid. + //! Initial electric field on the grid static amrex::Vector<amrex::Real> E_external_grid; + //! Initial magnetic field on the grid static amrex::Vector<amrex::Real> B_external_grid; - // Initialization Type for External E and B on grid + //! Initialization type for external magnetic field on the grid static std::string B_ext_grid_s; + //! Initialization type for external electric field on the grid static std::string E_ext_grid_s; // Parser for B_external on the grid @@ -186,10 +188,15 @@ public: std::unique_ptr<amrex::Parser> Ezfield_parser; // Algorithms + //! Integer that corresponds to the current deposition algorithm (Esirkepov, direct, Vay) static long current_deposition_algo; + //! Integer that corresponds to the charge deposition algorithm (only standard deposition) static long charge_deposition_algo; + //! Integer that corresponds to the field gathering algorithm (energy-conserving, momentum-conserving) static long field_gathering_algo; + //! Integer that corresponds to the particle push algorithm (Boris, Vay, Higuera-Cary) static long particle_pusher_algo; + //! Integer that corresponds to the type of Maxwell solver (Yee, CKC, PSATD, ECT) static int maxwell_solver_id; static long load_balance_costs_update_algo; static int em_solver_medium; @@ -200,40 +207,50 @@ public: static amrex::Vector<ParticleBoundaryType> particle_boundary_hi; - // If true, the current is deposited on a nodal grid and then centered onto a staggered grid + //! If true, the current is deposited on a nodal grid and then centered onto a staggered grid + //! using finite centering of order given by #current_centering_nox, #current_centering_noy, + //! and #current_centering_noz static bool do_current_centering; - // PSATD: If true (overwritten by the user in the input file), the current correction - // defined in equation (19) of https://doi.org/10.1016/j.jcp.2013.03.010 is applied + //! If true, a correction is applied to the current in Fourier space, so that the continuity + //! equation is satisfied bool current_correction = false; - // PSATD: If true, the update equation for E contains both J and rho (at times n and n+1): - // default is false for standard PSATD and true for Galilean PSATD (set in WarpX.cpp) + //! If true, the PSATD update equation for E contains both J and rho + //! (default is false for standard PSATD and true for Galilean PSATD) bool update_with_rho = false; //! perform field communications in single precision static int do_single_precision_comms; - // PSATD: Whether to fill the guard cells with inverse FFTs based on the boundary conditions + //! Whether to fill the guard cells when computing inverse FFTs, based on the boundary conditions static amrex::IntVect fill_guards; - // div(E) and div(B) cleaning + //! Solve additional Maxwell equation for F in order to control errors in Gauss' law + //! (useful when using current deposition algorithms that are not charge-conserving) static bool do_dive_cleaning; + //! Solve additional Maxwell equation for G in order to control errors in magnetic Gauss' law static bool do_divb_cleaning; - // Interpolation order + //! Order of the particle shape factors (splines) along x static int nox; + //! Order of the particle shape factors (splines) along y static int noy; + //! Order of the particle shape factors (splines) along z static int noz; - // Order of finite-order centering of fields (staggered to nodal) + //! Order of finite centering of fields (from staggered grid to nodal grid), along x static int field_centering_nox; + //! Order of finite centering of fields (from staggered grid to nodal grid), along y static int field_centering_noy; + //! Order of finite centering of fields (from staggered grid to nodal grid), along z static int field_centering_noz; - // Order of finite-order centering of currents (nodal to staggered) + //! Order of finite centering of currents (from nodal grid to staggered grid), along x static int current_centering_nox; + //! Order of finite centering of currents (from nodal grid to staggered grid), along y static int current_centering_noy; + //! Order of finite centering of currents (from nodal grid to staggered grid), along z static int current_centering_noz; // Number of modes for the RZ multimode version |