Innovation & Quality

This is the fifth blog of the Blog Series: Learning CFD in Aerospace Engineering.

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The interaction with FINE™/Open with OpenLabs™ does not end at the classroom for many of the students who attend the course of Professor Malashin. With the experience that they have gained from attending the course about meshing fundamentals, setting numerical parameters, post-processing results some of the students published articles on further work that they conducted with FINE™/Open with OpenLabs™. A few examples are shown below:

Khlupnov AI and Galaktionov A. Yu. made a comparative analysis on the unsteady aerodynamic flow around separated parts of launch vehicles. They considered cylindrical bodies with various degrees of curvature at supersonic speeds. In their research they compared the accuracy of their own solver against the FINE™/Open solver.


Figure 1: The contour of mach number around a curved cylindrical model at M=4 and 10 degree angle of attack [1]


Yefremova M.Y., Krukov P.V. and Galaktionov A.Y., studied the aerodynamic characteristics of a spherical body with a channel at subsonic speeds. They studied the aerodynamic forces and pitching moments around the body at Reynolds number = 2.106 . The angles of attack in their study ranged from 0 to 90 degree. The flow patterns including the vortical structures were also an integral part of their investigation.


Figure 2: The flow pattern in the vicinity of the model at velocity of 50m/s and 0 degree angle of attack [2]


Figure 3: The flow pattern in the vicinity of the model at a 10 degree angle of attack [2]


Galaktinov A. Yu. and Antipova M.S. studied unsteady flow of free-falling bodies with FINE™/Open with OpenLabs™. Their investigation was based on the cylinders of varying degrees of curvature. During their investigation they compared the pitching-moment experienced by the cylinder for various radii of curvature for both subsonic and supersonic flow.


Figure 4: Static Pressure experienced by a straight cylindrical model (M=4, angle of attack = 10 degree) [3]


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[1]Comparative Evaluation of the Two Methods of Determining the Unsteady Aerodynamic Characteristics of Cylindrical Patterns Separated Parts of Launch Vehicles for Space Purposes, A.I. Khlupnov, A.Yu. Galaktionov, Aerospace Scientific Journal of the Bauman, MSTU, 2015, no. 01, pp. 18–30. DOI: 10.7463/aersp.0115.0777623

[2]The numerical calculation of the aerodynamic characteristics of a spherical body with the channel at subsonic speeds,Yefremova M.Y., Krukov P.V. and Galaktionov A.Y., ЛЕСНОЙ ВЕСТНИК 2/2015

[3] The use of simulation package NUMECA for numerical computation cylindrical model’s unsteady aerodynamic characteristics according to method of curved bodies, Galaktinov A Yu., Antipova M. S., ЛЕСНОЙ ВЕСТНИК 6/2015


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Vikramaditya Gaonkar

Vikramaditya Gaonkar holds a Master of science degree in Computational Mechanics from the University of Stuttgart, Germany and the Polytechnic University of Catalonia, Spain. He works in the Academic Group at NUMECA since 2017.


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