Eshelby Forces Associated with an Advancing Crack Surrounded by Vanishingly Small Inhomogeneity
Final rept. 1 Sep 89-Aug 90,
ILLINOIS UNIV AT CHICAGO CIRCLE DEPT OF CIVIL ENGINEERING MECHANICS AND METALLURGY
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The propagation of a crack surrounded by damage is simplistically replaced by that of a crack lodged in a vanishingly thin or small elastic inhomogeneity. This latter problem is asymptotically analyzed and numerically solved via the use of Fast Fourier Transform Algorithm. A re-examination of Mindlins grade-3 elasticity is thoroughly carried out to reveal the interaction between mechanical loading and surface tension.