Positioning variation modeling for aircraft panels assembly based on elastic deformation theory


Dimensional variation in aircraft panel assembly is one of the most critical issues that affects the aerodynamic performance of aircraft, due to elastic deformation of parts during the positioning and clamping process. This paper proposes an assembly deformation prediction model and a variation propagation model to predict the assembly variation of aircraft panels, and derives consecutive 3-D deformation expressions which explicitly describe the nonlinear behavior of physical interaction occurring in compliant components assembly. An assembly deformation prediction model is derived from equations of statics of elastic beam to calculate the elastic deformation of panel component resulted from positioning error and clamping force. A variation propagation model is used to describe the relationship between local variations and overall assembly variations. Assembly variations of aircraft panels due to positioning error are obtained by solving differential equations of statics and operating spatial transformations of the coordinate. The calculated results show a good prediction of variation in the experiment. The proposed method provides a better understanding of the panel assembly process and creates an analytical foundation for further work on variation control and tolerance optimization.

Publication DOI: https://doi.org/10.1177/0954405417697349
Divisions: Aston University (General)
Additional Information: Copyright: IMechE 2017. This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage). Funding: National Natural Science Foundation of China (grant number 51375442).
Uncontrolled Keywords: Aircraft panel assembly, positioning variation, elastic deformation theory, variation propagation model
PURE Output Type: Article
Published Date: 2017-03-09
Published Online Date: 2017-03-09
Accepted Date: 2017-03-09
Authors: Wang, Qing
Hou, Renluan
Li, Jiangxiong
Ke, Yinglin
Maropoulos, Paul George ( 0000-0001-6525-6216)
Zhang, Xianzhi



Version: Published Version

License: Creative Commons Attribution Non-commercial

| Preview


Version: Accepted Version

Access Restriction: Restricted to Registered users only

Export / Share Citation


Additional statistics for this record