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Diffstat (limited to 'Docs/source/usage/parameters.rst')
| -rw-r--r-- | Docs/source/usage/parameters.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Docs/source/usage/parameters.rst b/Docs/source/usage/parameters.rst index bf6772ee2..f943e5d26 100644 --- a/Docs/source/usage/parameters.rst +++ b/Docs/source/usage/parameters.rst @@ -1829,6 +1829,12 @@ Numerics and algorithms Note that the update with and without rho is also supported in RZ geometry. +* ``psatd.J_in_time`` (``constant`` or ``linear``; default ``constant``) + This determines whether the current density is assumed to be constant or linear in time, within the time step over which the electromagnetic fields are evolved. + +* ``psatd.rho_in_time`` (``linear``; default ``linear``) + This determines whether the charge density is assumed to be linear in time, within the time step over which the electromagnetic fields are evolved. + * ``psatd.v_galilean`` (`3 floats`, in units of the speed of light; default ``0. 0. 0.``) Defines the Galilean velocity. A non-zero velocity activates the Galilean algorithm, which suppresses numerical Cherenkov instabilities (NCI) in boosted-frame simulations (see the section :ref:`Numerical Stability and alternate formulation in a Galilean frame <theory-boostedframe-galilean>` for more information). |