Three-dimensional analysis of sandwich panels with common defects

M. Das, I. Guven, E. Madenci

Research output: Contribution to journalConference article

Abstract

This study presents the application of a new triangular finite element for modeling thick sandwich panels based on a {3,2}-order single-layer plate theory. This new computationally efficient element captures the correct variation of deformations and stresses in the thickness direction, as they are evaluated from a posteriori calculations of equilibrium equations. The capability of this element is demonstrated by considering a sandwich panel with two common defect configurations under various loading conditions. The defects are introduced as a circular cutout in facesheet and a cylindrical cavity in the core.

ASJC Scopus subject areas

  • Architecture
  • Materials Science(all)
  • Aerospace Engineering
  • Mechanics of Materials
  • Mechanical Engineering

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