Until recently the dynamical evolution of the interstellar medium (ISM) was simulated using collisional ionization equilibrium (CIE) conditions. However, the ISM is a dynamical system, in which the plasma is naturally driven out of equilibrium due to atomic and dynamic processes operating on different timescales. A step forward in the field comprises a multi-fluid approach taking into account the joint thermal and dynamical evolutions of the ISM gas.
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CITATION STYLE
De Avillez, M. A., Breitschwerdt, D., Asgekar, A., & Spitoni, E. (2012). ISM simulations: An overview of models. In Proceedings of the International Astronomical Union (Vol. 10, pp. 606–608). Cambridge University Press. https://doi.org/10.1017/S1743921314012393