Interaction between two neighboring circular holes in a prestretched simply supported orthotropic strip under bending |
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| Authors: | S D Akbarov N Yahnioglu U Babuscu Yesil |
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| Institution: | (1) Faculty of Chemical and Metallurgical Engineering, Department of Mathematical Engineering, Yildiz Technical University, Davutpasa Campus, 34210 Esenler Istanbul, Turkey;(2) Institute of Mathematics and Mechanics of Azerbaijan National Academy of Sciences, Baku, Azerbaijan Republic |
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| Abstract: | In this work, the influence of initial stretching of a simply supported plate-strip containing two circular holes on the stress
concentration around the holes caused by bending of the strip is examined using the finite-element method. The mathematical
formulation of the corresponding boundary-value problem is presented within the frame work of the three-dimensional linearized
theory of elasticity (TDLTE) under a plane strain state. The material of the plate-strip is linearly elastic, homogeneous,
and orthotropic. The numerical results obtained in investigating the influence of the initial stretching and the location
of holes on the stress concentration are presented. In particular, it is established that the initial stretching significantly
decreases the stress concentration at some characteristic points on the contour of the holes.
Russian translation published in Mekhanika Kompozitnykh Materialov, Vol. 44, No. 6, pp. 827–838, November–December, 2008. |
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| Keywords: | initial stretching force stress concentration circular hole plate-strip orthotropic material |
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