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Volume 32 Issue 5
Aug 2018
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Chinese Journal of High Pressure Physics  > 2018  >  32(5): 055107.
XIAO Hongcheng, YIN Dongmei, LIN Qinghua, LI Baoming. Structural Optimum Design and Pre-stress Simulation of Fiber Housing for Railgun[J]. Chinese Journal of High Pressure Physics, 2018, 32(5): 055107. doi: 10.11858/gywlxb.20170594
Citation: XIAO Hongcheng, YIN Dongmei, LIN Qinghua, LI Baoming. Structural Optimum Design and Pre-stress Simulation of Fiber Housing for Railgun[J]. Chinese Journal of High Pressure Physics, 2018, 32(5): 055107. doi: 10.11858/gywlxb.20170594
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Structural Optimum Design and Pre-stress Simulation of Fiber Housing for Railgun

doi: 10.11858/gywlxb.20170594

  • National Key Laboratory of Transient Physics, Nanjing University of Science and Technology, Nanjing 210094, China

  • Received Date: 19 Jun 2017
  • Rev Recd Date: 02 Jul 2017
    Abstract
  • The structural optimization design of filament winding housing for a railgun barrel is introduced.The thickness of fiber laminates, the winding angle and the stacking sequence of fibers for a 50 mm circular bore composite barrel are investigated for structural optimization.Numerical simulation of railgun prestressing has been studied based on continuous solution with birth-death element method.By using a method of stepwise optimization of multi-variable based on random search, the tension profile of fibers is optimized.Optimization of state variables under two different constraints is analyzed and initial stress field and superposition stress field of the prestressed barrel are given.The second type of optimization results show that the profile in this study can meet design requirements of the composite barrel.

     

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