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Application of 3D Coupled Joint Element in Contact Erosion Simulation

In: Computational Mechanics

Author

Listed:
  • Y. L. Luo

    (Wuhan University, School of Civil and Architectural Engineering)

  • H. Peng

    (Wuhan University, School of Civil and Architectural Engineering)

Abstract

A new type of three dimensional eight nodes coupled joint element based on the original Goodman’s joint was proposed. The joint element was developed to model the stress-deformation behavior and pore pressure response of the interface, where the contact erosion always occurs on between levee and building across levee. The FE formulations of governing equations and element stiffness matrix were derived in detail, and an ideal elasto-plastic constitutive model based on the Mohr-Coulomb yield criterion and associated flow rule was adopted to model the nonlinear deformation, then a relevant FE program was developed. In the end, a contact erosion example was performed to test and illustrate the capabilities of the coupled joint element, and the results indicate that the coupled joint element can simulate contact erosion effectively, the coupled effect of seepage and stress fields is very intensive on the interface, and the adverse influence of the contact erosion’s coupled effect on levee and building safety should be considered necessarily in design.

Suggested Citation

  • Y. L. Luo & H. Peng, 2007. "Application of 3D Coupled Joint Element in Contact Erosion Simulation," Springer Books, in: Computational Mechanics, pages 398-398, Springer.
    • Handle: RePEc:spr:sprchp:978-3-540-75999-7_198
    DOI: 10.1007/978-3-540-75999-7_198
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