Research on Assembly Variation Modeling of Aircraft Weakly-Rigid Structures

Xiu Kun Zhang; Zhong Qi Wang; Yong Gang Kang; Fei Yan Guo

doi:10.4028/www.scientific.net/AMM.621.241

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 621Research on Assembly Variation Modeling of...

Research on Assembly Variation Modeling of Aircraft Weakly-Rigid Structures

Abstract:

A large number of weakly rigid parts are used in the progress of aircraft assembly, while it’s deviation will affect the quality of the product finally. The assembly variation model of aircraft weakly rigid parts based on influence coefficient method are constructed for controlling assembly accuracy effectively. Based on the linear elastic hypothesis of small deformation, the model carry out the mechanical analysis of aircraft weakly rigid parts in the typical process of positioning, clamping, jointing and spring-back. Influence coefficient matrix of the key features affected by parts manufacturing variation and fixture variation is calculated through the Finite Element method and Monte Carlo simulation, then the assembly variation model is constructed. Finally, based on the above model, an engineering example of assembly variation prediction of aircraft panels was given.

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Periodical:

Applied Mechanics and Materials (Volume 621)

Pages:

241-246

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.621.241

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Online since:

August 2014

Authors:

Xiu Kun Zhang*, Zhong Qi Wang, Yong Gang Kang, Fei Yan Guo

Keywords:

Aircraft Assembly, Assembly Variation Model, Finite Element Method (FEM), Influence Coefficient Method, Monte Carlo Simulation, Weakly Rigid Parts

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* - Corresponding Author

References

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