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Volume 26 Issue 1
Jan.  2000
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Journal of Beijing University of Aeronautics and Astronautics  > 2000  >  26(1): 75-78.
Geng Jiao, Diao Bo, Chen Shengganget al. Degradation mechanism of air-entrained concrete under alternative actions of freeze-thaw cycles and seawater immersion[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(10): 1392-1396. (in Chinese)
Citation: DENG Zhong-ming, ZHU De-chao. Characteristic Analysis of Composite Thin\|Walled\= Beams under Constrained Torsion[J]. Journal of Beijing University of Aeronautics and Astronautics, 2000, 26(1): 75-78. (in Chinese)
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Characteristic Analysis of Composite Thin\|Walled\= Beams under Constrained Torsion

  • Beijing University of Aeronautics and Astronautics,Dept. of Flight Vehicle Design and Applied Mechanics

  • Received Date: 29 Jul 1998
  • Publish Date: 31 Jan 2000
    Abstract
  • Based on Vlasov theory, a layered warping model was presented for mechanical analysis of composite thin-walled beams with arbitrary closed-section. Besides the effects of shearing strain and torsion warping, the influences of materialsand the ply arrangement on the warping displacement and stress are also discussed. The numerical results show that the warping displacement and stress of the composite thin-walled beam are differ from layer to layer due to influence of materials and the ply arrangement.

     

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  • [1] Bauld N R Jr, Tzeng L S. A vlasov theory for fiberreinforced beams with thinwalled open cross sections[J].International Journal of Solids Structure,1984,203:277~297. [2]Kobelev V V, Laaarichev A D. Model of thinwalled anisotropic rods . Mekhanika Kompoztinykh Materialov,1988,241:102~109． [3]Chandra R, Chopra I． Experimental and theoretical analysis of composites Ibeams with elastic couplings[J]． AIAA Journal,1991,29(12):2197~2217. [4]Chandra R, Chopra I. Structural behavior of twocell composites rotor blades with elastic couplings[J]. AIAA Journal,1992,30(12):2914~2921. [5]诸德超．弹性薄壁杆件的平衡理论[J]．北京航空学院学报,1957(3):39~60． [6]诸德超．升阶谱有限元法[M]．北京:国防工业出版社,1993.
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