Directory:
    ${PENCIL_HOME}/samples/cosmicray
SVN Id:
    $Id$
Maintainer:
    Andrew Snodin <Andrew.Snodin/gmail[dot]com>
Added:
    09-Oct-2003
Status:
    working since Oct 2003
Recommended resolution:
    need to have suitable resolution
Comments:
    This is just a 1-D test. Precedure works in 1, 2, and 3 dimensions
Reference:
    Snodin, A. P., Brandenburg, A., Mee, A. J., & Shukurov, A.: 2006,
    ``Simulating field-aligned diffusion of a cosmic ray gas,'' Monthly
    Notices Roy. Astron. Soc. 373, 643-652