Time-Dependent, Multifluid Magnetohydrodynamic Shock Waves in Dusty Plasmas

Details Time-Dependent, Multifluid Magnetohydrodynamic Shock Waves in Dusty Plasmas Time-Dependent, Multifluid Magnetohydrodynamic Shock Waves in Dusty Plasmas

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...199.5818c&link_type=abstract

American Astronomical Society, 199th AAS Meeting, #58.18; Bulletin of the American Astronomical Society, Vol. 33, p.1392

Astronomy and Astrophysics

Astronomy

Scientific paper

We investigate the effects of dust grains on the formation, propagation, and structure of nonlinear MHD waves and shocks in weakly-ionized plasmas. The plasma is modeled as a system of 9 interacting fluids, consisting of neutral gas, ions, electrons, and 6 grain fluids comprised of very small grains or PAHs and classical grains in different charge states. We formulate the governing equations for perpendicular shocks under approximations appropriate for dense molecular clouds, cores, and protostellar disks. A numerical code used to obtain solutions using a finite difference method is described, and its accuracy is established by comparing numerical solutions to exact solutions for special cases.

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