Parametric determination for GHM of ZN-1 viscoelastic material

被引：0
|
作者：
Zhang, L [1 ]
Du, HP [1 ]
Shi, YM [1 ]
Shi, XZ [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Natl Key Lab Vibrat Shock & Noise, Shanghai 200030, Peoples R China
来源：
RARE METAL MATERIALS AND ENGINEERING | 2002年 / 31卷 / 02期
关键词：
GHM model; finite element method; viscoelastic material;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The GHM(Golla-Hughes-McTavish) model of ZN-1 Viscoelastic Material is combined with finite element method (FEM), which is the most frequently used method in Engineering. It can approach time-consuming iteration in solving model parameters and responses by introducing dissipation coordinates. The parameters of GHM model are determined by nonlinear curve fitting in complex frequency domain. This is converted into nonlinear optimization problem with constrained condition. The results show that the method proposed in the present paper to determine the parameters of GHM model is correct, simple and effective to employ GHM model to perform dynamic analysis.
引用
收藏
页码：92 / 95
页数：4
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