Optimization of Plate with Partial Constrained Layer Damping Treatment for Vibration and Noise Reduction

被引：6

作者：

Hou, Shouwu ^{[1
]}

Jiao, Yinghou ^{[1
]}

Wang, Xin ^{[2
]}

Chen, Zhaobo ^{[1
]}

Fan, Yongbo ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Mechatron Engn, Harbin 150001, Peoples R China

[2] China Shipbuilding Ind Corp, Harbin Res Inst 703, Harbin 150036, Peoples R China

来源：

APPLIED MECHANICS AND MECHANICAL ENGINEERING II, PTS 1 AND 2 | 2012年 / 138-139卷

关键词：

Vibration and noise reduction; Constrained layer damping; Optimization; BEAMS; MINIMIZATION;

D O I：

10.4028/www.scientific.net/AMM.138-139.20

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

To efficiently reduce vibration and noise of a plate, an optimization of passive constrained layer damping (CLD) is presented. The dynamic equation of a sandwich plate with CLD treatment is derived using Lagrange's method. The assumed modes method is employed to solve the equation and obtain the vibrational energy and sound power, which are used as the objective of optimal design. A genetic algorithm of big mutation is employed to search for the optimum of the location of CLD treatment, the thicknesses of both the constraining layer and the viscoelastic layer and the shear modulus of the viscoelastic material with the restriction of added mass of the total CLD treatment. Numerical results show that for a simply-supported plate with a transverse force (1Hz similar to 200Hz) applied at (0.81L(a), 0.8L(b)), the optimized CLD significantly reduce the vibrational energy and sound power.

引用

页码：20 / +

页数：2

共 7 条

[1] Optimal position and shape of applied damping material [J].

Alvelid, Magnus .

JOURNAL OF SOUND AND VIBRATION, 2008, 310 (4-5) :947-965

[2] An optimal placement of CLD treatment for vibration suppression of plates [J].

Chen, YC ;

Huang, SC .

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, 2002, 44 (08) :1801-1821

[3] TRANSVERSE COMPRESSIONAL DAMPING IN VIBRATORY RESPONSE OF ELASTIC-VISCOELASTIC-ELASTIC BEAMS [J].

DOUGLAS, BE ;

YANG, JCS .

AIAA JOURNAL, 1978, 16 (09) :925-930

[4]

Li Yinong, 2010, J CHONGQING U, V33, P1, DOI DOI 10.1016/J.JSV.2007.08.024

[5]

Lin He, 2006, THEORY ENG APPL ACOU

[6] Optimization of partial constrained layer damping treatment for vibrational energy minimization of vibrating beams [J].

Zheng, H ;

Cai, C ;

Tan, XM .

COMPUTERS & STRUCTURES, 2004, 82 (29-30) :2493-2507

[7] Minimization of sound radiation from baffled beams through optimization of partial constrained layer damping treatment [J].

Zheng, H ;

Cai, C .

APPLIED ACOUSTICS, 2004, 65 (05) :501-520

← 1 →