SUBROUTINE Cyl2DMHD(REAL[] q, REAL[] dqdt, CELLINFO ci)

Defined In:

contrib/astro/physics/i_i_ODEs.f90

Inputs:

REAL[] q. The 1D array that holds the field values for the cell.

REAL[] dqdt. A 1D INTENT(INOUT) array that is returned with Cyl2D()'s contribution to q's time-derivatives.

CELLINFO ci. Contains information and constants that help calculate the derivatives.

Description:

Applies time-derivatives in a 2D cylindrical system. Cyl2DMHD() also incorporates cell-centered magnetic field values into its calculations. This subroutine only works for MHD problems; for hydro probelms use Cyl2D().

Note that this subroutine treats dqdt as an accumulator—it will add its terms to whatever is already in dqdt without overwriting it.

Called In:

ODEs :: Derivatives2D()

Modules Used:

None.

Files Included:

None.