Finite Element Simulation in the Dynamics Calculation of Bolted-Joint Interface

Yan Ting Ai; Yan Bai; Xue Zhai; Dan Zhao

doi:10.4028/www.scientific.net/AMM.215-216.1009

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 215-216Finite Element Simulation in the Dynamics...

Finite Element Simulation in the Dynamics Calculation of Bolted-Joint Interface

Abstract:

Many components in modern mechanical structure are connected with bolts, and the behaviour of joints significantly affects the dynamic response of these structures. Based on the software of MSC. patran, firstly, a linear dynamic model for bolted joints and interface is developed. The joint interface is modeled using a technology of interface layer element(ILE) and multi-point constrains(MPC) technique. And then, using the MATLAB language, the properties of ILE material are optimized to simulate the bolted-joint interface stiffness. The material properties parameters are identified by using experimental data. This work takes aero-engine case model as an example, researching its model analysis under different pre-stress conditions to check the method and provide insight on how to model the joint interface in the dynamics calculation of bolted structure.

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Periodical:

Applied Mechanics and Materials (Volumes 215-216)

Pages:

1009-1012

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.215-216.1009

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Online since:

November 2012

Authors:

Yan Ting Ai, Yan Bai, Xue Zhai, Dan Zhao

Keywords:

Bolted-Joint Structure, Interface Layer Element, Multi-Point Constraint (MPC)

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References

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