Influence of magneto-rheological fluid pocket configuration on the dynamic response of the composite sandwich beam

被引：1
|
作者：
Nagiredla, Suryarao [1 ]
Joladarashi, Sharnappa [1 ]
Kumar, Hemantha [1 ]
机构：
[1] Natl Inst Technol Karnataka, Dept Mech Engn, Mangaluru 575025, Karnataka, India
来源：
MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES | 2024年 / 52卷 / 02期
关键词：
Magnetorheological fluid; finite element formulation; composite sandwich beam; MR fluid pocket; free vibration; forced vibration; VIBRATION ANALYSIS; CYLINDRICAL-SHELL; PERFORMANCE; TEMPERATURE; DESIGN; MODEL;
D O I：
10.1080/15397734.2022.2138914
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The present study investigated the influence of magnetorheological (MR) fluid pocket configuration and magnetic field intensity on the dynamic response of the composite sandwich beam under various boundary conditions. The classical beam theory is used to develop the finite element (FE) formulations for the composite sandwich beam element and it is validated with the available literature. Four MR fluid pocket configuration types are considered. The configuration types include 1/4th, 1/2th, 3/4th and the full length of the MR fluid pockets at different locations. Further, a detailed study of the influence of each MR fluid pocket configuration type on the natural frequency, loss factor, and frequency response are presented. The maximum 32.27% of deviation in the first fundamental frequency is observed for the simply-supported boundary condition. From the results obtained, it is concluded that the length and location of the MR fluid pocket have a considerable impact on the dynamic response and also observed that the effect of the configuration depends on the type of boundary condition used.
引用
收藏
页码：1109 / 1135
页数：27
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