Assembly deformation prediction of riveted panels by using equivalent mechanical model of riveting process

Assembly deformation prediction of riveted panels by using equivalent mechanical model of... The assembly deformation of skin panels can be introduced by the riveting process. However, it is computationally costly and time consuming to conduct the numerical simulation of the riveting process for each rivet in skin panels. Here, an equivalent mechanical model of the riveting process is established to improve the computational efficiency of the deformation prediction for the riveted structure. The axial pressure beneath the rivet driven head is solved in the equivalent mechanical model. The assembly deformation of riveted panels is found to be influenced by the axial pressure significantly, challenging the traditional analogy of riveting to the radial expansion process. In addition, the dependence of the radial pressure upon the radial displacement of the rivet hole is established. The characteristic of non-uniform distribution of the radial pressure along the thickness direction is taken into consideration. The deformations of riveted structures are predicted considering various heights of the rivet driven head and different materials of the panel. The effectiveness of the proposed model is evaluated by comparing the deformation results of the numerical simulation and those of the experimental measurement. This investigation can help to predict the deformation of large riveted structures and improve the awareness of the effect of axial pressure on the assembly deformation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The International Journal of Advanced Manufacturing Technology Springer Journals

Assembly deformation prediction of riveted panels by using equivalent mechanical model of riveting process

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Publisher
Springer London
Copyright
Copyright © 2017 by Springer-Verlag London
Subject
Engineering; Industrial and Production Engineering; Media Management; Mechanical Engineering; Computer-Aided Engineering (CAD, CAE) and Design
ISSN
0268-3768
eISSN
1433-3015
D.O.I.
10.1007/s00170-017-0262-9
Publisher site
See Article on Publisher Site

Abstract

The assembly deformation of skin panels can be introduced by the riveting process. However, it is computationally costly and time consuming to conduct the numerical simulation of the riveting process for each rivet in skin panels. Here, an equivalent mechanical model of the riveting process is established to improve the computational efficiency of the deformation prediction for the riveted structure. The axial pressure beneath the rivet driven head is solved in the equivalent mechanical model. The assembly deformation of riveted panels is found to be influenced by the axial pressure significantly, challenging the traditional analogy of riveting to the radial expansion process. In addition, the dependence of the radial pressure upon the radial displacement of the rivet hole is established. The characteristic of non-uniform distribution of the radial pressure along the thickness direction is taken into consideration. The deformations of riveted structures are predicted considering various heights of the rivet driven head and different materials of the panel. The effectiveness of the proposed model is evaluated by comparing the deformation results of the numerical simulation and those of the experimental measurement. This investigation can help to predict the deformation of large riveted structures and improve the awareness of the effect of axial pressure on the assembly deformation.

Journal

The International Journal of Advanced Manufacturing TechnologySpringer Journals

Published: Mar 24, 2017

References

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