Kontaktwechselwirkung einer Rohrleitung mit der Reparaturbandage aus einem Kompositwerkstoff |
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Authors: | Holm Altenbach Dmitriy A Beschetnikov Gennadiy I Lvov Konstantin Naumenko Vladimir G Sukiasov |
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Affiliation: | 1. Institut für Mechanik, Otto-von-Guericke-Universit?t Magdeburg, PF 4120, 39016, Magdeburg, Deutschland 2. Lehrstuhl Dynamik und Festigkeit von Maschinen, ?Kharkover Polytechnisches Institut“, Nationale Technische Universit?t, ul. Frunze 21, 61002, Kharkov, Ukraine
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Abstract: | In the present work the contact interaction of a long cylindrical shell with a coaxial cylindrical wrap made of a composite material is investigated. The composite material is modeled as a homogeneous orthotropic medium with known effective elastic properties. Based on the classical shell theory governing equations for the contact problems and general solutions to the deflections and internal forces are formulated. The unknown integration constants and the contact surface area are determined numerically using the software package Maple. Three characteristic lengths of the wrap, for which the transition from one contact mode to another takes place, have been determined. It was found that the change in the internal pressure does not affect the transition between the contact modes. The nature of the contact interaction is determined by the geometric parameters of the contact pair and elastic material properties of the shell and the repair wrap. |
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