Scttering of SH-Waves by Interface Semicircular Debonded Cylindrical Lining and Linear Cracks Originating at Edge of Lining
The Green function and other complex functions were employed to study the problem of scatteing of SH wave by a interface semicircular debonded elastic lining of two-phase mediums and interface linear cracks originating at edge of lining. We divided the whole model into upper elastic half space with the semi-circular canyon and lower elastic half space with semi-circular lining hill.In lower half space. Semicircular debonded elastic lining is constructed by satisfing the continuous condition of displacement and stress on interface when upper half part and lower half part are conjoined,and linear cracks is constructed by using the method of crack incision, upper half part and lower half part are conjoined by method of “conjunction”.In the end some examples and results of dynamic stress intensify factor are given with discussions.