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Design of Adhesively Bonded Composite Joints Using a Rapid Design Tool
Abstract
The optimization of composite structural joints is an iterative process and a multiscale problem. High fidelity finite element modeling of joints with 3D woven and laminated materials can become computationally expensive. The aim of this paper is to present the applicability of a reliable analysis process for the optimization of the composite Y-joint (curved Pi-joint), to be used in an aircraft fuselage, using a commercial rapid joint design tool analysis optimization software. The rapid joint design tool was investigated as a substitute and/or complement to a finite element analysis software. A composite Pi-joint and a composite Y-joint were evaluated using the rapid joint design tool. Furthermore, two main preliminary parametric studies were performed to better understand the capability of the tool in predicting the failure load trends in the Y-joint. The parameters investigated were the joint curvature and the laminated skin thickness. Failure loads are found using interactive stress-based criteria. Lastly, the Y-joint modeled using the rapid tool was validated against experimental results with an agreement of less than 10% of the experimental value reported.
DOI
10.12783/asc37/36492
10.12783/asc37/36492
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