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Title: New effective moduli of isotropic viscoelastic composites. Part I. Theoretical justification
Authors: Svetashkov, Aleksandr Andreevich
Vakurov, A. A.
Keywords: эффективные модули; изотропные материалы; композиционные материалы; вязкоупругие материалы; вязкоупругие тела; твердые тела
Issue Date: 2016
Publisher: IOP Publishing
Citation: Svetashkov A. A. New effective moduli of isotropic viscoelastic composites. Part I. Theoretical justification / A. A. Svetashkov, A. A. Vakurov // IOP Conference Series: Materials Science and Engineering. — 2016. — Vol. 124 : Mechanical Engineering, Automation and Control Systems (MEACS2015) : International Conference, 1–4 December 2015, Tomsk, Russia : [proceedings]. — [012099, 4 p.].
Abstract: According to the approach based on the commonality of problems of determining effective moduli of composites and viscoelastic solids, which properties are time-inhomogeneous, it is assumed that a viscoelastic solid is a two-component composite. One component displays temporal properties defined by a pair of Castiglianian-type effective moduli, and the other is defined by a pair of Lagrangian-type effective moduli. The Voigt and Reuss averaging is performed for the obtained two-composite solid with the introduction of a time function of volume fraction. In order to determine closer estimates, a method of iterative transformation of time effective moduli is applied to the viscoelastic Voigt-Reuss model. The physical justification of the method is provided. As a result, new time effective moduli of the viscoelastic solid are obtained which give a closer estimate of temporal properties as compared to the known models.
Appears in Collections:Материалы конференций

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