Zobrazeno 1 - 10
of 173
pro vyhledávání: '"Markov Oleg"'
Publikováno v:
FME Transactions, Vol 52, Iss 1, Pp 29-36 (2024)
This work aims to conduct theoretical and experimental studies on the energy and force parameters of the separation process, as well as the geometric accuracy of the separated tubular workpiece using the "eccentric twisting" method. A mathematical mo
Externí odkaz:
https://doaj.org/article/af959b18d3c94b899f45de191961c05c
Publikováno v:
FME Transactions, Vol 50, Iss 4, Pp 674-682 (2022)
The work aims to develop and research a stamp with a differentiated clamp of a rolled stock for cutting by shear. A new stamp design with a differentiated clamp of the rolled stock has been developed. In terms of their technical and economic indicato
Externí odkaz:
https://doaj.org/article/879fa4a46ec14aa4af25a4400529d513
Autor:
Hrudkina Natalia S., Markov Oleg E., Shapoval Alexander A., Titov Viacheslav A., Aliiev Igramotdin S., Abhari Payman, Malii Khrystyna V.
Publikováno v:
FME Transactions, Vol 50, Iss 1, Pp 90-98 (2022)
The article is considered a comparative analysis for predicting defect such as dimple by energy method of power balance, upper bound method and finite element method. The upper bound method takes into account the geometrical position and dimension of
Externí odkaz:
https://doaj.org/article/c25d297bca2447c990598a6c27749da1
Autor:
Aliieva Leila I., Markov Oleg E., Aliiev Igramotdin S., Hrudkina Natalia S., Levchenko Vladymyr N., Malii Khrystyna V.
Publikováno v:
FME Transactions, Vol 49, Iss 2, Pp 344-355 (2021)
The upper bound power method is used to simulate the process of combined radial-backward-forward extrusion of hollow parts of the "cup with flange and branch pieces" type from a continuous workpiece. The calculation scheme with autonomous deformation
Externí odkaz:
https://doaj.org/article/4e9e717450bc414694dfa00ad992474c
Improvement of upsetting process of four-beam workpieces based on computerized and physical modeling
Autor:
Markov Oleg E., Kukhar Volodymyr V., Zlygoriev Vitalii N., Shapoval Alexander A., Khvashchynskyi Anton S., Zhytnikov Roman U.
Publikováno v:
FME Transactions, Vol 48, Iss 4, Pp 946-953 (2020)
The method of upsetting of large ingots has been investigated in this work. The proposed method consists in upsetting of profiled workpieces with concave faces. An angle of the concave faces was 150°. A relative depth of the concave faces has been v
Externí odkaz:
https://doaj.org/article/27452430e5d04e98a5a195c4f5cdf415
Publikováno v:
E3S Web of Conferences, Vol 234, p 00079 (2021)
The paper implements a method for analyzing the stress-strain state of rectangular hollow sections (RHS) by finite-element modeling (FEM) of tests for three-point bending and torsion. Design schemes, 3-D solid-state and deformable models have been de
Externí odkaz:
https://doaj.org/article/937e619d1ca14caa9f060694fc8eeb48
Publikováno v:
E3S Web of Conferences, Vol 222, p 05014 (2020)
The authors present the theoretical and methodological foundations of building project management systems in Russia. Study and evaluate the effectiveness of domestic project management experience in Russian Federation. The authors reviewed the proces
Externí odkaz:
https://doaj.org/article/4b35bbb46b894919a29d9eb6ce5cd90c
Autor:
Zharkov, Timofey D.1 (AUTHOR), Markov, Oleg V.1 (AUTHOR), Zhukov, Sergey A.1 (AUTHOR) timazharkov74@gmail.com, Khodyreva, Svetlana N.1 (AUTHOR), Kupryushkin, Maxim S.1 (AUTHOR) kuprummax@niboch.nsc.ru
Publikováno v:
Molecules. Jan2024, Vol. 29 Issue 2, p452. 16p.
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Akademický článek
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