sarkas.potentials.force_pm

Module for handling the Particle-Mesh part of the force and potential calculation.

Functions

assgnmnt_func(cao, x)	Calculate the charge assignment function as given in Ref.:cite:Deserno1998
calc_acc_pm(E_x_r, E_y_r, E_z_r, mesh_pos, ...)	Calculates the long range part of particles' accelerations.
calc_charge_dens(mesh_pos, mesh_points, ...)	Assigns Charges to Mesh Points.
calc_field(phi_k, kx_v, ky_v, kz_v)	Numba'd function that calculates the Electric field in Fourier space.
calc_mesh_coord(pos, h_array, cao)	Calculate the particles positions with respect to the mesh and their closest point on the mesh.
calc_pot_pm(phi_r, mesh_pos, mesh_points, ...)	Calculates the long range part of particles' accelerations.
create_k_aliases(aliases, mesh_sizes, ...)	Calculate the alias arrays of the reciprocal space arrays for anti-aliasing.
create_k_arrays(mesh_sizes, non_zero_box_lengths)	Calculate the reciprocal space arrays.
force_optimized_green_function(box_lengths, ...)	Numba'd function to calculate the Optimized Green Function given by eq.(22) of Ref.:cite:Stern2008.
mesh_point_shift(cao)	Calculate the required shift based on the parity of the charge assignment orders.
sum_over_aliases(kx, ky, kz, kx_M, ky_M, ...)	Perform the sum over aliases in each direction.
update(pos, charges, masses, mesh_sizes, ...)	Calculate the long range part of particles' accelerations.