Structure Vibration Shape Optimization Based on Power Flow Response Analysis

被引：0
|
作者：
Xia Xuebao [1 ]
Xiang Yang [1 ]
Wu Shaowei [1 ]
机构：
[1] WUT, Sch Energy & Power Engn, Wuhan 430063, Peoples R China
来源：
MECHANICAL DESIGN AND POWER ENGINEERING, PTS 1 AND 2 | 2014年 / 490-491卷
关键词：
Power flow analysis; shape optimization; mode shape superposition; genetic algorithm; weight coefficient; BUILT-UP STRUCTURES; ACOUSTIC OPTIMIZATION; DESIGN MODIFICATION; GENERAL CONCEPT; SHELL MESHES; PLATE; MACHINES; PROPAGATION; BEAM;
D O I：
10.4028/www.scientific.net/AMM.490-491.712
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Power flow analysis is a method to describe the dynamic behavior of structures by taking not only the amplitude of exciting force and velocity response into account, but also the phase between the two qualities. Shape optimization is an effective method to reduce vibration level. By choosing the vibration power flow as design objective, a shape optimization method of structure is presented. The structure surface is restructured with a series of mode shape superposition. By using genetic algorithm, the weight coefficient of each mode shape is optimized to get the best surface shape with minimum power flow response. Some examples are demonstrated to verify the efficiency and accuracy of the method.
引用
收藏
页码：712 / 718
页数：7
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