Computer package “Nesvetay” for modeling of gas flows. “Nesvetay” is a Fortran-90 library of codes, which realize modern Godunov-type methods to solve various two- and three-dimensional equations of fluid motion in arbitrary domains. The key idea is to share the key elements such as mesh handling, advection schemes and parallelization across various solvers. At present, the software solves compressible Euler and multiphase equations as well as the Boltzmann kinetic equations with various model collision integrals: BGK, S-model of E. M. Shakhov, R-model of V. A. Rykov.

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