Abstract
his paper examines the problems of the symmetric indentation of a ductile penny-shaped crack by an embedded rigid, thin, circular disc inclusion and a ductile Griffith crack by a line inclusion. The Dugdale hypothesis is adopted to determine the length of the plastic zone. Expressions for the resultant pressures applied to the inclusions are obtained. Numerical results for the length of plastic zones and resultant pressures are obtained and are displayed graphically.
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