Scattering from penny-shaped and nonplanar cracklike flaws, with a type of boundary condition which incorporates dissipation and restoring forces, is studied. Scattering cross-sections and energy absorption cross-sections are computed, and comparisons with open cracks are performed. A partially debonded inclusion, with the debonding in the form of a cracklike flaw, is also discussed. The method employed is a modified null field approach, incorporating some ideas previously used for treating scattering from nonplanar open or fluid-filled cracks. In the present context, the boundary conditions lead to great simplifications in the implementation of the method, in that part of the relevant matrices can be computed analytically.
This content is only available via PDF.
Copyright © 1990
by The American Society of Mechanical Engineers
You do not currently have access to this content.
