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Volume 33 Issue 4
Jul 2019
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Chinese Journal of High Pressure Physics  > 2019  >  33(4): 045101.
FENG Xiaowei, LU Yonggang, LI Yongze. Damage Assessment Method of Aircraft Targets under Blast Wave[J]. Chinese Journal of High Pressure Physics, 2019, 33(4): 045101. doi: 10.11858/gywlxb.20180687
Citation: FENG Xiaowei, LU Yonggang, LI Yongze. Damage Assessment Method of Aircraft Targets under Blast Wave[J]. Chinese Journal of High Pressure Physics, 2019, 33(4): 045101. doi: 10.11858/gywlxb.20180687
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Damage Assessment Method of Aircraft Targets under Blast Wave

doi: 10.11858/gywlxb.20180687

  • Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang 621999, China

  • Received Date: 13 Nov 2018
  • Rev Recd Date: 22 Feb 2019
  • Publish Date: 25 Jun 2019
    Abstract
  • A new damage assessment method of aircraft targets under blast wave was studied based on the strength of aircraft structures. The failure criterion of typical aircraft targets was determined according to the strength design criterion of aircraft structure. Further, the critical blast wave overpressure causing the aircraft failure was obtained by the finite element analysis. It shows that the simulation results were consistent with the previous experimental results and the method was proved to be reasonable. Based on the method, the structural response under dynamic loading was further investigated. A series of blast wave overpressures and corresponding durations causing the aircraft failure were studied by the numerical simulations. Consequently, the overpressure-impulse damage criterion of typical aircraft target under blast wave was established. The results were considered to be a more reasonable method for assessing the aircraft overall damage effects under blast wave loading.

     

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