diff options
Diffstat (limited to 'Docs/source/running_cpp')
| -rw-r--r-- | Docs/source/running_cpp/parameters.rst | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/Docs/source/running_cpp/parameters.rst b/Docs/source/running_cpp/parameters.rst index e77ca553e..59bfbb14e 100644 --- a/Docs/source/running_cpp/parameters.rst +++ b/Docs/source/running_cpp/parameters.rst @@ -608,8 +608,6 @@ Numerics and algorithms - ``direct``: simpler current deposition algorithm, described in the section :doc:`../theory/picsar_theory`. Note that this algorithm is not strictly charge-conserving. - If ``algo.current_deposition`` is not specified, the default is ``esirkepov``. - * ``algo.charge_deposition`` (`string`, optional) The algorithm for the charge density deposition. Available options are: @@ -619,8 +617,15 @@ Numerics and algorithms * ``algo.field_gathering`` (`string`, optional) The algorithm for field gathering. Available options are: - - ``standard``: gathers directly from the grid points (either staggered + - ``energy-conserving``: gathers directly from the grid points (either staggered or nodal gridpoints depending on ``warpx.do_nodal``). + - ``momentum-conserving``: first average the fields from the grid points to + the nodes, and then gather from the nodes. + + If ``algo.field_gathering`` is not specified, the default is ``energy-conserving``. + If ``warpx.do_nodal`` is ``true``, then ``energy-conserving`` and ``momentum-conserving`` + are equivalent. + * ``algo.particle_pusher`` (`string`, optional) The algorithm for the particle pusher. Available options are: |