Stress State of a Hollow Cylindrical Body with a System of Cracks Under Oscillations of Longitudinal Shear

  • Olga KyrylovaEmail author
  • Vsevolod Popov
Conference paper
Part of the Structural Integrity book series (STIN, volume 8)


The problem of determining the stress state near the through-cracks in an infinite hollow cylinder of arbitrary cross-section under oscillations of longitudinal shear is solved. The method allows satisfying the conditions separately on the surface of cracks and on the borders of the cylinder. The solution scheme is based on the use of discontinuous solutions of equations of motion of elastic medium with jumps of displacements on the surface of defects. For this displacement are represented by the sums of discontinuous solutions, built for each defect, and an unknown characteristic function. Designed presentation enables fulfilling separately the boundary conditions on the surface of defects that leads to the set of systems of integral equations, which don’t depend from the shape of the boundaries of the body. Then the unknown coefficients of represented characteristic function are determined from the conditions on the boundaries of the body by the collocation method.


Hollow cylinder of arbitrary cross section Harmonic oscillations Crack Stress intensity factors The system of cracks 


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Authors and Affiliations

  1. 1.National University “Odesa Maritime Academy”OdesaUkraine

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