Numerical analysis of stresses at oblique holes in plates subjected to tension and bending

A. Tafreshi, T. E. Thorpe

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    Abstract

    Stress analysis of a series of thick, wide, flat plates with oblique holes subjected to uniaxial tension and out-of-plane bending has been carried out using the finite element method (FEM), and in some cases the boundary element method (BEM). Different plate thickness-hole diameter ratios, angles of hole obliquity and orientation have been considered to provide stress concentration factors at such holes. The work covers plate thickness-hole diameter ratios from 1.3 to 3.0, hole obliquity angles from 0 to 60° and orientation of the major axis of the surface ellipse relative to the applied load direction of 0 to 90°. The results for uniaxial tension have been compared with those determined using the photoelastic frozen-stress technique in order to verify the finite element models before proceeding to the bending cases, which provide new data.
    Original languageEnglish
    Pages (from-to)317-323
    Number of pages6
    JournalJournal of Strain Analysis For Engineering Design
    Volume30
    Issue number4
    DOIs
    Publication statusPublished - Oct 1995

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