Global shared-layer blending method for stacking sequence optimization design and blending of composite structures |
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| Affiliation: | 1. School of Aeronautics, Northwestern Polytechnical University, Xi’an 710072, China;2. State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace Engineering, Xi’an Jiaotong University, Xi’an 710049, China;1. Vietnam National University, Hanoi, Viet Nam;2. Military Academy of Logistics, Viet Nam;1. Faculty of Mechanical Engineering, University of Engineering and Technology, Av. Cascanueces 2281, Santa Anita, Lima, Peru;2. Faculty of Mechanical Engineering, National University of Engineering, Av. Túpac Amaru 210, Rimac, Lima, Peru;1. CT2M – Centre for Mechanical and Materials Technologies, University of Minho, Azurém, 4800-058 Guimarães, Portugal;2. Cross–Border Faculty of Humanities, Economics and Engineering, University of Galati, Dunarea de Jos, Domneasca 47, 800008 Galati, Romania;1. National Key Laboratory of Science and Technology for Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150080, China;2. Composite Materials and Structure Laboratory, Department of Mechanical, Materials and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA;3. Composite Material Research Laboratory, Department of Mechanical Engineering, University of New Orleans, LA 70148, USA;1. Institute of Vibration, Shock and Noise, State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, 800 Dong Chuan Road, 200240 Shanghai, PR China;2. Naval Research Center, 100073 Beijing, Box 1303-14, PR China;1. Faculty of Natural Science and Mathematics, University of Pri?tina, Lole Ribara 29, 38220 Kosovska Mitrovica, Serbia;2. Tigar, Nikole Pa?i?a 213, 18300 Pirot, Serbia;3. Institute of Nuclear Science Vin?a, University of Belgrade, Mike Petrovi?a Alasa 12-14, 11000 Belgrade, Serbia |
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| Abstract: | A global shared-layer blending (GSLB) method is proposed for obtaining manufacturable stacking sequence of composite structures with blending and design rules. The method combines the traditional SLB technique with an evaluation algorithm of spatial variation of panels, where the manufacturability of laminates is enhanced by identifying and minimizing the ply-drops, and controlling the laminate transition drop boundaries. In addition, a blended design scheme is also proposed, which is achieved by using the stacking sequence table technique. A composite wing structure is selected to validate the efficiency and accuracy of the proposed method. Results show that the GSLB method can be used for generating more manufacturable designs of large-scale composite structure with multiple engineering constraints. |
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| Keywords: | A Laminates A Layered structures B Mechanical properties Shared-layer blending |
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