SELECTION OF THE OPTIMAL DESIGN FOR A VIBRO-IMPACT NONLINEAR ENERGY SINK

被引：1

作者：

Lizunov, P. P. ^{[1
]}

Pogorelova, O. S. ^{[1
]}

Postnikova, T. G. ^{[1
]}

机构：

[1] Kyiv Natl Univ Construct & Architecture, 31 Povitroflotskyave, UA-03680 Kiev, Ukraine

来源：

OPIR MATERIALIV I TEORIA SPORUD-STRENGTH OF MATERIALS AND THEORY OF STRUCTURES | 2023年 / 111期

关键词：

vibro-impact; primary structure; damper; nonlinear energy sink; synergistic effect;

D O I：

10.32347/2410-2547.2023.111.13-24

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The efficiency of a vibro-impact nonlinear energy sink (VI NES), that is, a vibro-impact damper, is largely determined by its design. The optimal damper design can be found through optimization procedures. However, the result of their work is ambiguous, their various options show different values of the optimal damper parameters. A thorough analysis of the obtained parameters values allow you to select the best option according to a certain criterion. While carrying out this analysis, we observe many interesting phenomena, namely, the synergistic effect of multiple parameters, rich complex dynamics of the VI NES, the presence of direct impacts between the damper and the main body, the dependence of the total energy on the exciting force parameters. The analysis also allows us to formulate the limitations of the VI NES. All these problems are reflected in this article.

引用

页码：13 / 24

页数：12

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