Formation of cracks due to moving source over a thick crust |
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| Authors: | M L Ghosh |
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| Institution: | (1) Department of Mathematics and Geophysics, Bengal Engineering College, P.O. Botanic Garden, Howrah, West Bengal, India |
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| Abstract: | Summary In this paper the problem of a point source of stress moving over the surface of a thick aelotropic plate resting of a rigid foundation has been considered. Following the method ofAleksandrov & Vorovich (1960) the stress componentsZ
x andZ
z have been expanded in series of ascending powers of 1/h when the source velocity is less than (c
44/ )1/2. When the velocity exceeds (c
44/)1/2 it has been shown that two cracks are produced in different directions and their successive reflections at the upper and lower surface are also obtained. |
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