An internal crack problem for an infinite elastic layer |
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Authors: | Ahmet Birinci Fatma Birinci Fevzi L Cakiroglu Ragip Erdol |
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Institution: | (1) Institute of Physics and Material Science, Department of Material Sciences and Process Engineering, University of Natural Resources and Applied Life Sciences, Vienna, Peter Jordan Strasse 82, 1190, Austria;(2) Faculty of Forestry and Environmental Management, University of New Brunswick, P.O. Box 44555, Fredericton N.B., E3B 6C2, Canada;(3) Department of Civil and Environmental Engineering, University of Maine, Orono, ME 04469-5711, USA |
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Abstract: | The elastostatic plane problem of an infinite elastic layer with an internal crack is considered. The elastic layer is subjected
to two different loadings, (a) the elastic layer is loaded by a symmetric transverse pair of compressive concentrated forces
P/2, (b) it is loaded by a symmetric transverse pair of tensile concentrated forces P/2. The crack is opened by an uniform internal pressure p
0 along its surface and located halfway between and parallel to the surfaces of the elastic layer. It is assumed that the effect
of the gravity force is neglected. Using an appropriate integral transform technique, the mixed boundary value problem is
reduced to a singular integral equation. The singular integral equation is solved numerically by making use of an appropriate
Gauss–Chebyshev integration formula and the stress-intensity factors and the crack opening displacements are determined according
to two different loading cases for various dimensionless quantities. |
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