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First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address.Alexeytsev A.V. – candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Serpik I.N. – doctor of technical sciences, professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Bryansk State Engineering-Technological Academy The organization address: 241037, Russia, Bryansk, etc. Stanke-Dimitrov, 3 Butenko A.V. – post-graduate student Kazan State University of Architecture and Engineering The organization address: 420043, Russia, Kazan, Zelenaya st., 1
Title of the articleAnalysis of emergency collision actions on the spatial frames
Abstract.The technique of investigation of the stress-strain state of frame structures with inelastic collision effects is adduced. Analysis of the dynamic behavior of the objects is performed taking into account the geometrical and physical nonlinearity. The problem was solved by direct integration of the differential equations described the motion of the structural systems with use the Newmark method presuppositions. The finite element model is constructed for the geometry of structures in the deformed state. It takes into account the elastic-plastic material behavior. The structural damping of the Rayleigh oscillation scheme is used. An example of calculation of the spatial frame using the proposed computational process is considered. The calculations are performed with the physical nonlinearity based on the associative flow of the material. The above example of the calculation of spatial frames on extradesign Shock shows performance of this algorithm. The proposed design procedure can be used to solve the problems of identification of design basis impacts on core system.
Keywords.Emergency actions, inelastic collision, dynamics, spatial frames, damping, physical and geometric nonlinearity.
For citations:Alexeytsev A.V., Serpik I.N., Butenko A.V. Analysis of emergency collision actions on the spatial frames // Izvestiya KGASU. 2012. №4(22) P.401-408.


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