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In this investigation, a novel finite element formulation for the simulation of arbitrary delamination events in shell-like structures is proposed. For this purpose, a solid shell parametrization of the kinematics of the shell is used with the incorporation of en enriched displacement definition based on the partition-of-unity property in order to incorporate arbitrary delamination along the thickness direction. The proposed finite element formulation is also equipped with the enhanced assumed strain (EAS) method to prevent locking pathologies.

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An Enhanced Assumed Strain Solid-Shell Formulation to Simulate Arbitrary Delaminations

  • 会议论文

  • 发表日期：

    2025年

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  • P. Olivares-Rodríguez,
  • J. Reinoso,
  • A. Valverde-González

摘要

In this investigation, a novel finite element formulation for the simulation of arbitrary delamination events in shell-like structures is proposed. For this purpose, a solid shell parametrization of the kinematics of the shell is used with the incorporation of en enriched displacement definition based on the partition-of-unity property in order to incorporate arbitrary delamination along the thickness direction. The proposed finite element formulation is also equipped with the enhanced assumed strain (EAS) method to prevent locking pathologies.