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Ukraine Kharkiv
Section Mechanics
Title Stress analysis in an infinite hydroxyapatite / titanium plate with a pressurized circular hole
Author(-s) Darya zadeh S.a, Lvov G.I.a
Affiliations Kharkiv Polytechnic Institutea
Abstract The aim of the present study is to compute the macro- and microstress concentration in a reinforced biomaterial composite plate with a circular hole with respect to the volume ratio of the component materials in the composite. The contour of the circular hole and its dependency on the structure of a plate were calculated in order to study the behaviors of macro- and microstresses. In this paper, the stress around a circular hole was calculated for an orthotropic unidirectionally fiber-reinforced plate with respect to the volume ratio of the component materials in the composite. Stress distribution using a theoretical method and the finite elements method was calculated. The boundary conditions applied on the contour of a circular hole are uniform normal pressure. In this present study, we use a new numerical method of determining microstresses for composite plates with a circular hole, on the boundary of which there is a uniform normal pressure. The results demonstrate the macro- and microstresses calculated for two different structures and the behavior of an orthotropic plate with a circular hole. The ANSYS package and the finite-element representative plate model were used in this study.
Keywords composite, unidirectional fibers, numerical method, boundary conditions, stress concentration
UDC 539.32
DOI 10.20537/vm150211
Received 12 February 2015
Language English
Citation Darya zadeh S., Lvov G.I. Stress analysis in an infinite hydroxyapatite / titanium plate with a pressurized circular hole, Vestnik Udmurtskogo Universiteta. Matematika. Mekhanika. Komp'yuternye Nauki, 2015, vol. 25, issue 2, pp. 267-279.
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