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Volume 33 Issue 5
Sep 2019
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Chinese Journal of High Pressure Physics  > 2019  >  33(5): 055103.
XIAO Yihua, WU Hecheng, ZHU Aihua, DONG Huanghuang, PING Xuecheng. Effect of Rotation on Penetration of Steel Plate by Ogival Projectile Using Coupled FEM-SPH Simulation[J]. Chinese Journal of High Pressure Physics, 2019, 33(5): 055103. doi: 10.11858/gywlxb.20180675
Citation: XIAO Yihua, WU Hecheng, ZHU Aihua, DONG Huanghuang, PING Xuecheng. Effect of Rotation on Penetration of Steel Plate by Ogival Projectile Using Coupled FEM-SPH Simulation[J]. Chinese Journal of High Pressure Physics, 2019, 33(5): 055103. doi: 10.11858/gywlxb.20180675
shu

Effect of Rotation on Penetration of Steel Plate by Ogival Projectile Using Coupled FEM-SPH Simulation

doi: 10.11858/gywlxb.20180675
  • 1.

    School of Mechatronics and Vehicle Engineering, East China Jiaotong University, Nanchang 330013, China

  • 2.

    Hangcha Group Co., Ltd, Hangzhou 310000, China

  • 3.

    College of Mechanical Engineering, Tianjin University of Science and Technology, Tianjin 300457, China

  • Received Date: 07 Nov 2018
  • Rev Recd Date: 28 Nov 2018
    Abstract
  • A coupled FEM-SPH model for an ogival-nosed projectile penetrating into a steel plate was established. The influence of friction coefficient between projectile and plate on residual velocity estimation for projectile was analyzed. Based on the experimental data, a suitable friction coefficient was determined such that the model can accurately predict residual velocities of projectile and ballistic limit of target. Based on the model, effects of projectile rotation on its residual velocity and ballistic deflection were studied for normal and oblique penetration with two different incident velocities and different incident angles. For normal penetration, rotation has a significant influence on residual velocity of projectile while few effects on ballistic deflection. The residual velocity and penetration capability of projectile increase with the growth of rotation speed. For oblique penetration, rotation has obvious effects on both residual velocity and ballistic deflection of projectile. The penetration capability of projectile does not monotonically increase with the growth of rotation speed and is dependent on incident angle and velocity. Deflections out of incident plane are induced by projectile rotation, and the deflection direction is related to the rotation direction of projectile.

     

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