title: Hybrid simulation of space plasmas: models with massless fluid representation of electrons. IV. Kelvin-Helmholtz instability
abstract: For pt.III. see Prikl. Mat. Informatika, MAKS Press, no. 4, p. 5-56 (2000). This is a survey of the literature on hybrid simulation of the Kelvin-Helmholtz instability. We start with a brief review of the theory: the simplest model of the instability - a transition layer in the form of a tangential discontinuity; compressibility of the medium; finite size of the velocity shear region; pressure anisotropy. We then describe the electromagnetic hybrid model (ions as particles and electrons as a massless fluid) and the main numerical schemes. We review the studies on two-dimensional and three-dimensional hybrid simulation of the process of particle mixing across the magnetopause shear layer driven by the onset of a Kelvin-Helmholtz instability. The article concludes with a survey of literature on hybrid simulation of the Kelvin-Helmholtz instability in finite-size objects: jets moving across the magnetic field in the middle of the field reversal layer; interaction between a magnetized plasma flow and a cylindrical plasma source with zero own magnetic field
keyphrases: hybrid simulation space plasmas massless fluid representation Kelvin-Helmholtz instability transition layer tangential discontinuity pressure anisotropy electromagnetic hybrid model three-dimensional hybrid simulation magnetopause shear layer field reversal layer magnetized plasma flow cylindrical plasma source