Zobrazeno 1 - 10
of 21
pro vyhledávání: '"A Leonid Igumnov"'
Publikováno v:
Journal of Applied and Computational Mechanics, Vol 11, Iss 1, Pp 73-81 (2025)
We discuss methodological aspects of assessment of the service life of structures and devices used in new technologies, paying a particular attention to non-stationary thermomechanical loading of “dangerous” zones of the systems under investigati
Externí odkaz:
https://doaj.org/article/2a06614574654b77b7de3f2da867191b
Publikováno v:
Journal of Applied and Computational Mechanics, Vol 8, Iss 3, Pp 981-995 (2022)
The paper presents the results of an experimental study and numerical simulation of dynamic deformation of dry clay at strain rates of ~103 s-1. The main physical and mechanical characteristics of the clay were determined using the modified Split Hop
Externí odkaz:
https://doaj.org/article/1ac7a5a1b3874c37a01b6753facf1f81
Autor:
Artem Basalin, Aleksandr Konstantinov, Leonid Igumnov, Alexandr Belov, Anatoliy Bragov, Victor Eremeev
Publikováno v:
Journal of Applied and Computational Mechanics, Vol 8, Iss 2, Pp 597-604 (2022)
This work is devoted to the direct impact method for determining the deformation diagrams of viscoplastic materials at high strain rates. As the conventional Split Hopkinson Pressure Bar method, the direct impact method is based on the measuring bar
Externí odkaz:
https://doaj.org/article/3a820cd0578347af9ceaab64b6e90191
Autor:
Anatoliy M. Bragov, Tatiana N. Iuzhina, Andrey K. Lomunov, Leonid Igumnov, Alexandr Belov, Victor A. Eremeyev
Publikováno v:
Journal of Applied and Computational Mechanics, Vol 8, Iss 1, Pp 298-305 (2022)
The results of dynamic compression tests of aspen under elevated temperature up to +60°C are presented. The tests were carried out based on the Kolsky method using the split Hopkinson pressure bar. To study the anisotropy of properties, aspen sample
Externí odkaz:
https://doaj.org/article/1f0fd7205f304cc489f2c6f4bab3bd06
Publikováno v:
Journal of Applied and Computational Mechanics, Vol 8, Iss 1, Pp 331-339 (2022)
The boundary element method is used to analyze the problem of dynamic loading acting inside a cubic cavity located in a partially saturated poroelastic halfspace. Defining relations of a Biot’s porous medium are used, which are written in Laplace r
Externí odkaz:
https://doaj.org/article/dd6607b7ba464a458ae6165d323f618e
Publikováno v:
Mathematics and Mechanics of Solids. 27:2034-2045
In this paper, we describe Laplace domain boundary element method (BEM) for transient dynamic problems of three-dimensional finite homogeneous anisotropic linearly elastic solids. The employed boundary integral equations for displacements are regular
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f03c28b49230ece87695f817c30ce158
https://doi.org/10.1177/10812865221078202
https://doi.org/10.1177/10812865221078202
Publikováno v:
Thermal Science, Vol 23, Iss Suppl. 2, Pp 477-488 (2019)
The issue of evaluating strength and service life is discussed as applied to structures, the exploitation properties of which are characterized by multi-parametric nonstationary thermal mechanical effects. The main requirements to mathematical models
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2cd7f9949e15e451c41ab1452446a4e
https://doi.org/10.2298/tsci19s2477v
https://doi.org/10.2298/tsci19s2477v
Publikováno v:
Advanced Structured Materials ISBN: 9783030537548
The boundary problem of a prestressed thermoelastic layered half-space oscillations subjected to the action of a mechanical or thermal load is considered. Initial stresses are induced in the body by stretching or compression and by the action of temp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b089f4ab20a269e08819269a197fec38
https://doi.org/10.1007/978-3-030-53755-5_10
https://doi.org/10.1007/978-3-030-53755-5_10
Publikováno v:
Advanced Structured Materials ISBN: 9783030537548
This paper presents a detailed study of the dynamics of the two-piston vibro-impact mechanism with a crank vibration exciter. The mechanism has quite a wide range of applications: It is effective for vibro-impact compaction of various types of soil,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5914b0c241e8aebaa9e73b7569d67256
https://doi.org/10.1007/978-3-030-53755-5_12
https://doi.org/10.1007/978-3-030-53755-5_12
Publikováno v:
Advanced Structured Materials ISBN: 9783030537548
The problems of propagation of non-stationary waves in linear viscoelastic bodies on condition that the Poisson’s ratio of the material does not change through the time are considered. The issues of finding of the solutions of such problems by the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df6ddb2383cc83021abb7a7c8e44ef82
https://doi.org/10.1007/978-3-030-53755-5_6
https://doi.org/10.1007/978-3-030-53755-5_6