Dynamic Response Analysis of Transmission Lines with Stockbridge Dampers Based on a Finite-Element Beam Model Considering Initial Deflection

被引：0

作者：

So, Yujin ^{[1
]}

Song, Ki-Seok ^{[1
]}

Kim, Soo -Min ^{[1
]}

Kwak, Moon K. ^{[1
]}

Lee, Jaehun ^{[1
]}

机构：

[1] Dongguk Univ, Dept Mech Robot & Energy Engn, Seoul, South Korea

来源：

TRANSACTIONS OF THE KOREAN SOCIETY OF MECHANICAL ENGINEERS A | 2023年 / 47卷 / 04期

关键词：

Transmission Lines; Stockbridge Damper; Vortex-Induced Vibration; Finite Element Formulation; Concentrated Force; VIBRATIONS; SIMULATION; FAILURE;

D O I：

10.3795/KSME-A.2023.47.4.337

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this paper, the dynamic response of transmission lines with an initial deflection and containing Stockbridge dampers is investigated. Generally, transmission lines can be modeled assuming a cable element owing to their slender shape. However, if Stockbridge dampers are installed on the transmission line, the bending rigidity should not be ignored because the damping force acts as a concentrated force. Additionally, extension-bending coupling must be considered for the transmission line with an initial deflection and tension. Based on the assumption of the strain field and initial condition, a new beam finite-element formulation for the line is presented, and the dynamic response of the line including Stockbridge dampers is analyzed under vortex shedding loads. The proposed modeling is verified by comparing the responses of the proposed method with those obtained using a cable model and commercial finite-element software.

引用

页码：337 / 345

页数：9

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