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Rigid-plastic finite element analysis of hydrostatic bulging of elliptic diaphragms using Hill's new yield criterion

  • W. J. Chung
  • , Y. J. Kim
  • , D. Y. Yang
    • Korea Advanced Institute of Science and Technology

    Research output: Contribution to journalArticlepeer-review

    13 Scopus citations

    Abstract

    A variational formulation is derived for the incremental analysis of the nonsteady large deformation of normal anisotropic rigid-plastic sheet metal obeying Hill's new yield criterion. The associated finite element equations are formulated for the analysis of the hydrostatic bulging of elliptical diaphragms. Using the natural convected coordinate system, the numerical procedure is improved. In the finite element analysis, the contact between sheet metal and die shoulder is considered by using a skew boundary condition. The relation between bulging pressure and deformation is studied and discussed in comparison with existing experimental results.

    Original languageEnglish
    Pages (from-to)193-206
    Number of pages14
    JournalInternational Journal of Mechanical Sciences
    Volume31
    Issue number3
    DOIs
    StatePublished - 1989

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