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Garry Grantovich Nersesov

Bio: Garry Grantovich Nersesov is an academic researcher. The author has contributed to research in topics: Hypersonic speed & Aerodynamics. The author has an hindex of 2, co-authored 3 publications receiving 16 citations.


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Journal ArticleDOI
TL;DR: Accuracy and scalability of the methods are demonstrated on a pressure-driven rarefied gas flow through a finite-length circular pipe as well as an external supersonic flow over a three-dimensional re-entry geometry of complicated aerodynamic shape.

66 citations

Journal ArticleDOI
TL;DR: It is shown that the two-level OpenMP + MPI parallel implementation significantly speeds up the computations and improves the scalability of the method.
Abstract: A two-level OpenMP + MPI parallel implementation is used to numerically solve a model kinetic equation for problems with complex three-dimensional geometry. The scalability and robustness of the method are demonstrated by computing the classical gas flow through a circular pipe of finite length and the flow past a reentry vehicle model. It is shown that the two-level model significantly speeds up the computations and improves the scalability of the method.

17 citations

Journal ArticleDOI
TL;DR: A biomimetic skeleton structure of morphing nose cone inspired by variable geometry mechanism of honeybee abdomen is designed, which can achieve stretching and bending continuously and meets the design requirements.

16 citations

Journal ArticleDOI
TL;DR: It is shown that the use of the model kinetic equations with approximate collision integrals provides accurate results for high-speed external monatomic gas flows over complex three-dimensional geometries at acceptable computational cost.

13 citations

Journal ArticleDOI
TL;DR: In this article, the use of a very non-uniform unstructured velocity mesh is proposed to compute high-speed rarefied gas flows over 3D geometries.
Abstract: The paper is devoted to the development of the numerical approaches to solve model kinetic equations as applied to computing high-speed rarefied gas flows over three-dimensional geometries. The use of a very non-uniform unstructured velocity mesh is proposed, and the influence of the velocity mesh resolution is studied in detail. The test problems include a simple flow over a planar circular cylinder and a three-dimensional flow over a model winged re-entry vehicle.

11 citations