DENISIS -- A three-dimensional partially ionized dusty magnetoplasma code. The highly involved macroscopic low-frequency dynamics of partially ionized dusty plasmas can be studied by means of computational fluid simulations. We derived a general set of numerically tractable balance equations taking into account mass, momentum and energy conservation. On the basis of these equations, we develop a quasi-neutral compressible three-dimensional multi-fluid code that integrates the closed set of equations for the electron, ion, dust and neutral components. The integration scheme of this explicit code (DENISIS = Dust Electron Neutral Ion Self-consistent Integration Scheme) is based on the leapfrog and Dufort-Frankel method, modified by a numerically damped treatment of nonconservative terms in the balance equations. The applicability of the code is illustrated by modelling characteristic plasma phenomena, as wave and instability processes.

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  1. Schröer, A.; Birk, G.T.; Kopp, A.: DENISIS -- A three-dimensional partially ionized dusty magnetoplasma code (1998)