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Volume 31 Issue 2
Apr 2017
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Chinese Journal of High Pressure Physics  > 2017  >  31(2): 193-201.
YANG Sen, FENG Song, WANG Shun-Yao, HE Zhong-Qi. Instability of Aluminum Honeycomb Sandwich Panelunder Blast Loading[J]. Chinese Journal of High Pressure Physics, 2017, 31(2): 193-201. doi: 10.11858/gywlxb.2017.02.013
Citation: YANG Sen, FENG Song, WANG Shun-Yao, HE Zhong-Qi. Instability of Aluminum Honeycomb Sandwich Panelunder Blast Loading[J]. Chinese Journal of High Pressure Physics, 2017, 31(2): 193-201. doi: 10.11858/gywlxb.2017.02.013
shu

Instability of Aluminum Honeycomb Sandwich Panelunder Blast Loading

doi: 10.11858/gywlxb.2017.02.013

  • School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

  • Received Date: 23 Mar 2016
  • Rev Recd Date: 04 Jun 2016
    Abstract
  • In the present work, based on the nonlinear dynamics software AUTODYN, we performed a three-dimensional simulation of the instability process of the aluminum honeycomb sandwich panels under blast loading.By establishing the solid model of aluminum honeycomb sandwich panels with different parameters, we studied the dynamic response of the front and back sheets under the TNT impact and the instability deformation in the plastic stage.The results achieved from our calculation show that with the increase of the thickness of the aluminum honeycomb panel, the height and thickness of the aluminum foil, the final residual deformation of the aluminum honeycomb panel under blast loading is obviously reduced and its deformation-resistance ability is enhanced.For the aluminum honeycomb panels with different cell shapes but the same relative density, the distinction of the panels' final residual deformation under blast loading is not significant because there is little difference in "inertia effect" under the uniaxial compression condition.

     

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