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Chinese Journal of High Pressure Physics  > 2011  >  25(2): 97-103 .
ZHANG Zhi-Chun, QIANG Hong-Fu, GAO Wei-Ran. Research on Contact Algorithm between Smoothed Particle Hydrodynamics and Finite Element Method[J]. Chinese Journal of High Pressure Physics, 2011, 25(2): 97-103 . doi: 10.11858/gywlxb.2011.02.001
Citation: ZHANG Zhi-Chun, QIANG Hong-Fu, GAO Wei-Ran. Research on Contact Algorithm between Smoothed Particle Hydrodynamics and Finite Element Method[J]. Chinese Journal of High Pressure Physics, 2011, 25(2): 97-103 . doi: 10.11858/gywlxb.2011.02.001
shu

Research on Contact Algorithm between Smoothed Particle Hydrodynamics and Finite Element Method

doi: 10.11858/gywlxb.2011.02.001
  • 1.

    Xi'an Hi-Tech Institute, Xi'an 710025, China;

  • 2.

    The Second Artillery Equipment Academy, Beijing 100085, China

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  • Corresponding author: QIANG Hong-Fu
  • Received Date: 31 Jan 2010
  • Rev Recd Date: 22 Apr 2010
  • Publish Date: 15 Apr 2011
    Abstract
  • The coupling between smoothed particle hydrodynamics (SPH) and finite element method (FEM) is an effective approach for the simulation of impact dynamics. An alternative algorithm for the treatment of contact problem between SPH particles and finite elements was employed. Background particles were assigned in the position of finite element nodes, and the contact forces on SPH particles and finite element nodes were calculated with the same approach as SPH particles to particle contact algorithm. The contact force was added to the momentum equation for SPH and dynamic equation for FEM respectively. Using the SPH-FEM contact algorithm, the axial impact between two bars and the perforation of a cylindrical steel projectile impacting a plate target were simulated, where the Johnson-Cook material model with damage effect and Grneisen equation of state were employed. The computed results showed good agreement with the experimental data.

     

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