INVESTIGATION OF THE INFLUENCE OF THE ELASTIC MEDIUM ON THE DYNAMIC BEHAVIOR OF A THREE-LAYER ELLIPTICAL CYLINDER UNDER NON-STATIONARY LOADING

被引：0

作者：

Gaidaichuk, V. V. ^{[1
]}

Kotenko, K. E. ^{[1
]}

Klymenko, M. O. ^{[2
]}

机构：

[1] Kyiv Natl Univ Civil Engn & Architecture, Dept Theoret Mech, 31 Air Force Prospect,Bldg 433, UA-03680 Kyiv, Ukraine

[2] Kyiv Natl Univ Civil Engn & Architecture, Dept Machines & Technol Proc Equipment, Kyiv, Ukraine

来源：

OPIR MATERIALIV I TEORIA SPORUD-STRENGTH OF MATERIALS AND THEORY OF STRUCTURES | 2024年 / 112期

关键词：

three-layer cylindrical shell; polymer aggregate; finite element model; elliptical cross section; non-stationary load; bearing layer;

D O I：

10.32347/2410-2547.2024.112.149-160

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Dynamic transient processes are studied and the results of evaluating the influence of an elastic medium on the behavior of a three-layer cylindrical shell structure of elliptical cross-section under non-stationary impulse loading are given. The used model of the theory of shells and rods by S. P. Tymoshenko, taking into account independent static and kinematic hypotheses for each layer of the structure. Numerical calculations of normal deflections and normal stresses of the load-bearing layers of the structure, which determine its stress-strain state (SSS), have been performed. Variants of the structure without a polymer aggregate and with a discrete-symmetric rib-reinforced aggregate are considered. A comparative analysis of the deflections and stresses of the load-bearing layers of the structure in the absence of light aggregate and in its presence is given.Numerical results regarding the dynamics of the three-layer structure were obtained using the finite element method

引用

页码：149 / 160

页数：12

共 37 条

[1] INVESTIGATION OF THE DYNAMIC BEHAVIOR OF THREE-LAYER CYLINDRICAL SHELLS OF ELLIPTICAL FORM UNDER INTERNAL AXISYMMETRIC PULSE LOADING
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