Stress Analyses of Double Lap Bonding Joint Using Viscoelastic Constitutive Model

ZHANG Pan; XU Ying-jie; WANG Hai-bin; GU Jing-wei

doi:10.3879/j.issn.1000-0887.2015.02.005

Volume 36 Issue 2

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ZHANG Pan, XU Ying-jie, WANG Hai-bin, GU Jing-wei. Stress Analyses of Double Lap Bonding Joint Using Viscoelastic Constitutive Model[J]. Applied Mathematics and Mechanics, 2015, 36(2): 159-166. doi: 10.3879/j.issn.1000-0887.2015.02.005

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Stress Analyses of Double Lap Bonding Joint Using Viscoelastic Constitutive Model

doi: 10.3879/j.issn.1000-0887.2015.02.005

¹Engineering Simulation and Aerospace Computing, School of Mechanical Engineering,Northwestern Polytechnical University, Xi’an 710072, P.R.China;²The 41st Institute, the Fourth Academy, CASA, Xi’an 710025, P.R.China

Funds: The National Natural Science Foundation of China（11302174）

Received Date: 2014-06-10
Rev Recd Date: 2014-10-06
Publish Date: 2015-02-15

Abstract

Abstract

The finite element model of steel-rubber double lap bonding joint was created. The generalized Maxwell viscoelastic constitutive model was employed to model the time-dependent mechanical properties of adhesive. The Yeoh constitutive model was applied to describe the super elasticity of rubber. The influence of loading time on the shear stress of adhesive layer was analyzed. Computed results clearly show that the absolute value of shear stress decreases with the increase of loading time. In addition, the influence of adhesive thickness on the shear stress of adhesive layer is analyzed as well. With the increase of adhesive thickness, the absolute value of shear stress firstly increases obviously.
- double lap bonding joint,
- viscoelastic constitutive model,
- finite element method,
- load time,
- adhesive thickness

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References

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