Abstract
This paper presents a study of Finite Element Model Matching, based on the use of displacement field measurements. The wealth of information provided by full-field measurement techniques is extremely useful in experimental mechanics, because it is without contact. This study is a three-dimensional mechanical problem. An investigation of the secondary bending on aeronautical structures is presented, especially on the single shear lap joint. First we introduce the optical method and the results of field measurements applied to a tensile test on single-shear lap joint specimen. The experimental technique to determine the displacement field is presented. Afterwards we outline the use of Finite Element Modelling to achieve a correlation between numerical fields and their experimental counterparts. This study is applied to one type of joint; numerical and experimental example is presented: metal/metal lap joints, with one fastener (LGPL type). We describe the matching process. Finally, a parametric study is presented to show the effect of fastener preload clamping and fit clearance between plate hole and shank fastener on the secondary bending.
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© 2013 The Society for Experimental Mechanics, Inc.
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Dupuy, J.S., Lachaud, F., Piquet, R., Huet, J. (2013). Finite Element Model Matching Based on Optical Measurement Fields on Single Shear Lap Joint. In: Proulx, T. (eds) Application of Imaging Techniques to Mechanics of Materials and Structures, Volume 4. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-9796-8_8
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DOI: https://doi.org/10.1007/978-1-4419-9796-8_8
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