Abstract
This paper is concerned with a theoretical analysis of an infinite zig-zag array of circular holes in an infinite solid under uniaxial tension. We use properly defined unit regions, assume complex stress potentials in the form of Laurent series expansions and determine the unknown coefficients from the boundary conditions for the unit regions used. Numerical results for the maximum stress, the stress concentration factor and the effect of perforation on the tensile stiffness of the solid are given for various hole sizes and hole spacings in both directions. The results are fitted to reliable polynomial formulae for convenience in engineering applications.
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