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pro vyhledávání: '"Andrei P Yankovskii"'
Autor:
Andrei P Yankovskii
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 21, Iss 3, Pp 524-545 (2017)
An initial-boundary value problem is formulated to describe the dynamic behavior of flexible longitudinally reinforced wall-beams of the lesser curvature. Mechanical behavior of materials of composition of the beams is described by the equations of t
Externí odkaz:
https://doaj.org/article/71ea9a490d624dc68865ebd9004ae8f1
Autor:
Andrei P Yankovskii
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 20, Iss 1, Pp 85-108 (2016)
Steady-state creep of a hybrid metal-composite laminated bending beams of irregular patterns is considered. Beams consist of walls and load-bearing layers, attached at the top and bottom (shelves). The shelves are reinforced with fibers in the longi
Externí odkaz:
https://doaj.org/article/c3c0bc258c9d4a63af04e6fe05d58bf7
Modeling of Thermoelastic-Viscoplastic Dynamic Deformation of Flexible Cylindrical Reinforced Shells
Autor:
Andrei P. Yankovskii
Publikováno v:
Механика машин, механизмов и материалов, Iss 3(64), Pp 25-36 (2023)
A mathematical model of thermoelastic-viscoplastic flexural dynamic deformation of thin circular cylindrical shells with complex reinforcement structures is developed. Weak resistance to transverse shear and wave processes in such composite structure
Externí odkaz:
https://doaj.org/article/4eafc9e934c44acd826fdf5cd1855ee6
Autor:
Andrei Petrovich Yankovskii
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 24, Iss 3, Pp 506-527 (2020)
Based on the procedure of time steps, a mathematical model of the viscoelastoplastic behavior of shallow shells with spatial reinforcement structures is constructed. Plastic deformation of the components of the composition is described by flow theory
Externí odkaz:
https://doaj.org/article/6050b20091264a6c84ebcbe7dc98f976
Autor:
Andrei Petrovich Yankovskii
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 23, Iss 1, Pp 90-112 (2019)
On the basis of the time-steps algorithm the structural model is constructed for elastic-plastic deformation of bended plates with spatial reinforcement structures. The inelastic behavior of the composition phase materials is described by equations o
Externí odkaz:
https://doaj.org/article/bcd8e43edd9d4c4c923351d43a853956
Autor:
Andrei P. Yankovskii
Publikováno v:
Механика машин, механизмов и материалов, Iss 1(46), Pp 82-92 (2019)
A mathematical model of elastic-plastic behavior of flexible curved panels with spatial reinforcement structures is developed. The inelastic deformation of the composition components is described by the theory of plastic flow with isotropic hardening
Externí odkaz:
https://doaj.org/article/5413b1b1b223417da2547822b7a41a69
Autor:
Andrei P. Yankovskii
Publikováno v:
Механика машин, механизмов и материалов, Iss 2(43), Pp 68-76 (2018)
The problem of elastoplastic axisymmetric deformation is formulated for flexible reinforced circular cylindrical shells under dynamic and quasi-static action of internal excessive pressure. The weakened resistance to transverse shear is modeled by th
Externí odkaz:
https://doaj.org/article/9758781379364e92ab8638aaa0926d4b
Autor:
Andrei P. Yankovskii
Publikováno v:
Механика машин, механизмов и материалов, Iss 1(42), Pp 72-80 (2018)
In the framework of the deformational theory of plasticity and in a geometrically linear formulation, the problem of inelastic bending for sandwich panels with thin reinforced bearing layers is formulated. The weakened resistance of the core to the t
Externí odkaz:
https://doaj.org/article/641a8e50b24f4bea93d62ae75729f9a0
Autor:
Andrei P. Yankovskii
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 19, Iss 3, Pp 578-600 (2015)
Taking into account the dissipation of mechanical energy the problem of heat transfer is formulated for non-Newtonian fluid moving in stable laminar mode in circular pipe. Two variants were considered: 1) non-stationary problem taking into account th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::9af63ddd69a5dca1d5f3c17183d8b513
http://mi.mathnet.ru/eng/vsgtu1433
http://mi.mathnet.ru/eng/vsgtu1433
Autor:
Andrei P. Yankovskii
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 4(37), Pp 121-132 (2014)
The uniqueness of a solution in the small sense (in the sense of lack of infinitely close solution) is proved for the boundary-value problem of equally-stressed reinforcing metal composite plates in conditions of steady creep of materials of all phas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::92174c843c8a9f5269ec00499bfaf3ce
http://mi.mathnet.ru/eng/vsgtu1346
http://mi.mathnet.ru/eng/vsgtu1346