Finite element analysis on lap joint

Mohammad Rafiq, Untong (2006) Finite element analysis on lap joint. [Final Year Project Report / IMRAD] (Unpublished)

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Abstract

Joining method such as welding, lap joints, riveting and etc is one of the important aspects in engineering. The joining of the materials would require care as engineering failure can occur. One of the most common applications of joints are in the marine as well as in the aircraft fabrication. Therefore it is then important to investigate and understand the engineering of the joining methods. This work concentrates on a single lap joint. The analysis employed is by Finite Element Analysis (FE A) method. The simulation results are compared with experimental results as for verification. FEA is a technique to obtain approximate solutions given the material properties and appropriate boundary conditions. In this work ANSYS, a window based FEA software is employed to do the simulations. The dimensions of the single lap joints are based on ASTM D3165 standard dimensions with thickness of 1.6 mm, overall length of 117.8 mm. The overlap region is 12.7 mm. The bonded thickness for the lap joint varies from 0.1 mm, 0.2 mm, 0.5 mm 0.7 mm and 1.0 mm. The material employed in this work is mild steel as this material is common within engineering work. The results from the work look promising as the simulation shows 9.5% difference from the experimental work. Therefore, this work can be extended to include other types of joints

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