Directory:
    ${PENCIL_HOME}/samples/2d-tests/streaming_instability/single-species
SVN Id:
    $Id$
Maintainer:
    Chao-Chin Yang <ccyang/ua[dot]edu>
Added:
    11-may-2016
Status:
    succeeds # One of [succeeds|failing since <date>|obsolete| ...]
Recommended resolution:
    None, but varying the resolution is a good test of how many grid
    points the code needs to resolve the streaming instability.
Comments:
    Linear mode (linA) of the streaming instability.
References:
    Youdin, A., & Johansen, A.: 2007, ``Protoplanetary Disk Turbulence
    Driven by the Streaming Instability: Linear Evolution and Numerical
    Methods'', The Astrophysical Journal, Vol. 662, Issue 1, pp. 613-626

    Yang, C.-C., & Johansen, A.: 2016, ``Integration of Particle-Gas
    Systems with Stiff Mutual Drag Interaction'', The Astrophysical
    Journal Supplement Series, Vol. 224, Issue 2, id. 39