The method of solving the problem of external flow past a body for calculating the aerodynamic characteristics of projected bodies of complex geometrical shape is presented. Two approaches to the solution of the problem are considered: a numerical solution of the Favre-averaged Navier–Stokes equations with the use of the turbulence model and simulation of large vortices on the basis of the Navier–Stokes equations, in which numerical dissipation acts as a subgrid model of turbulence. Testing the results of calculations for the problem of flow past bodies by various methods showed their good correspondence to each other and with experimental data. For a projected body of a characteristic shape (missile) numerical simulation is made for a wide range of parameters: Mach numbers, angles of attack, and rotation speeds. Approximation dependences of the coefficients of aerodynamic forces and moments are constructed that can be used further for calculating the trajectories of projected bodies.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 92, No. 2, pp. 496–504, March–April, 2019.
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Lipanov, A.M., Rusyak, I.G., Korolev, S.A. et al. Numerical Solution of the Problem of Flow Past Projected Bodies for Determining Their Aerodynamic Coefficients. J Eng Phys Thermophy 92, 477–485 (2019). https://doi.org/10.1007/s10891-019-01954-2
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DOI: https://doi.org/10.1007/s10891-019-01954-2