Elasto-Plastic Analysis of Adhesively Bonded Symmetric Single Lap Joints Under In-Plane Tension and Edge Moments |
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Authors: | Jungmin Lee Hyonny Kim |
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Affiliation: |
a Samsung SDI, Corporate R & D CAE Team, Kiheung, South Korea
b Department of Structural Engineering, University of California - San Diego, La Jolla, California, USA |
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Abstract: | An analysis is presented that predicts adhesive shear and peel stresses and strains in an adhesively bonded single lap joint having symmetric configuration with adhesive behavior. The single lap joint is under tension loading together with moments induced by the interactions of the geometric eccentricity and the boundary conditions of the joint. The von Mises yielding criterion is used to relate the adhesive stress components within the yielded region. The adhesive strains are computed from the relative displacements of the adherends and can be considered as an average of the strain variation through the adhesive thickness direction. Example calculations show that the predicted adhesive shear and peel stress and strain profiles are well matched to detailed finite element analysis results. Generally, the analytical model predictions are found to be more accurate when the adhesive thickness is small. |
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Keywords: | Beam on elastic foundation Nonlinear adhesive Shear-lag Symmetric joint Von Mises yielding criterion |
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