31 March 2009 Design and analysis of morphing wing based on SMP composite
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A new concept of a morphing wing based on shape memory polymer (SMP) and its reinforced composites is proposed in this paper. SMP used in this study is a thermoset styrene-based resin in contrast to normal thermoplastic SMP. During heating, the wing curled on the aircraft can be deployed, providing main lift for a morphing aircraft to realize the stable flight. Aerodynamic characteristics of the deployed morphing wing are calculated by using CFD software. The static deformation of the wing under the air loads is also analyzed by using the finite element method. The results show that the used SMP material can provide enough strength and stiffness for the application. Finally, preliminary testing is conducted to investigate the recovery performances of SMP and its reinforced composites. During the test, the deployment and the wind-resistant ability of the morphing wing are dramatically improved by adding reinforced phase to the SMP.
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Kai Yu, Kai Yu, Weilong Yin, Weilong Yin, Shouhua Sun, Shouhua Sun, Yanju Liu, Yanju Liu, Jinsong Leng, Jinsong Leng, } "Design and analysis of morphing wing based on SMP composite", Proc. SPIE 7290, Industrial and Commercial Applications of Smart Structures Technologies 2009, 72900S (31 March 2009); doi: 10.1117/12.815712; https://doi.org/10.1117/12.815712

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