Power flow analysis of the three-beam system on double parameter elastic foundations based on the wave propagation approach

被引：0
作者：
Yan, Liang [1 ]
Shi, Dongyan [1 ,3 ]
Zhuang, Xiaofan [2 ]
Zhao, Kun [1 ]
机构：
[1] Harbin Engn Univ, Coll Mech & Elect Engn, Harbin, Peoples R China
[2] Qingdao Beihai Shipbldg Heavy Ind Co Ltd, China Ship Design & Res Ctr Co Ltd, Qingdao, Peoples R China
[3] Harbin Engn Univ, Coll Mech & Elect Engn, 145 Nantong St, Harbin 150001, Peoples R China
来源：
JOURNAL OF VIBRATION AND CONTROL | 2024年
关键词：
The three-beam system; Winkler-Pasternak elastic foundations; power flow; elastic boundary conditions; wave propagation approach; VIBRATIONAL POWER; TIMOSHENKO;
D O I：
10.1177/10775463241246432
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This article investigates the power flow of the three-beam system on Winkler-Pasternak elastic foundations under elastic boundary conditions. The time-averaged power flow of the beam on elastic foundations with elastic boundary conditions is calculated based on the internal shear force and bending moment and the wave propagation approach. The reliability and accuracy of the calculation method are verified by comparing the vibration acceleration calculated by calculation examples and the finite element method. In addition, the effects of structural parameters and boundary conditions on the power flow of the three-beam system are investigated. This contributes to the analysis of the dynamic characteristics of the beam on double parameter elastic foundations under complex boundary conditions.
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页数：11
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