Equilibrium of elastic media with internal nonFiat cracks
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Abstract
A problem on torsion of an elastic medium weakened by mathematical cut on a part of the cylindrical surface is solved by exact methods of the linear theory of elasticity. The problem is reduced to a system of dual integral equations with respect to the trigonometric functions with one unknown density. Then the Fredholm integral-differential equation is examined. The analytical expressions for the stress intensity factor, the stress components on the cylinder surface outside the cut and difference between the displacements of the cut surfaces are obtained. Data obtained are applicable to the study of material damage.
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стрес-фактор інтенсивності, стресс-фактор интенсивности, stress-intensity factor, інтегральна неплоских тріщин, математичні вирізи, розклад на власні функції, циліндричні поверхні, интегральная неплоских трещин, математические вырезы, разложения по собственным функциям, цилиндрические поверхности, integral nonflat crack, mathematical cut, eigenfunction expansions, cylindrical surface, кафедра вищої математики імені проф. Можара В. І.
Citation
Martynenko, M. The torsion of elastic medium with internal cylindrical crack / M. Martynenko, I. Lebedeva // Proceedings of 11th International Conference. Mechanika. – 2006. – P. 221–224.