Methodology for conducting virtual tests by creating a finite element model of road safety fencing

Rabat O. Absametov D. Bainatov Z. Uteshbayeva A. Salmanova A. Tavshavadze B.T.
2021 National Academy of Sciences of the Republic of Kazakhstan

News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2021 #2 Issue 446 137 - 143 pp.

In this paper, we formulated the concept of the process of hitting a car on a fence as a movement along a curved trajectory with a certain radius of curvature. Special attention was paid to the contact of parts of different stiffness (when modeling the fence, these are ground-stand contacts), since the stiffness of the spring added to the contacting surfaces directly depends on the stiffness of the bodies being contacted. When soft bodies contact, its rigidity may be small, which can lead to instability of the solution. Also, the critical deflection of the fence (the transverse deflection of the fence, equal to twice the value of the console departure), after which the beam is inevitably lowered along with the deviated posts and the vehicles move over the fence.

Beam , Car , Console , Construc-tion , Fence , Finite element , Method , Rack , Safety , Simulation , Strength , Test , Virtual analysis

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Kazakh Automobile and Road Institute named after L. B. Goncharov, Almaty, Kazakhstan
Academy of Logictics and Transport, Almaty, Kazakhstan
Ekibastuz Institute of Engineering and Technology named after Academician K. Satpayev, Kazakhstan
Moscow Automobile and Road Engineering State Technical University, Russian Federation

Kazakh Automobile and Road Institute named after L. B. Goncharov
Academy of Logictics and Transport
Ekibastuz Institute of Engineering and Technology named after Academician K. Satpayev
Moscow Automobile and Road Engineering State Technical University

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