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A note to the simplification in description of some molecular-based polymer models

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    0342988 - UH-J 2011 RIV CZ eng C - Konferenční příspěvek (zahraniční konf.)
    Kharlamov, Alexander - Filip, Petr
    A note to the simplification in description of some molecular-based polymer models.
    Engineering Mechanics 2010. Prague: Institute of Thermomechanics AS CR, v. v. i., 2010 - (Zolotarev, I.), Article no. 025. ISBN 978-80-87012-26-0.
    [Engineering Mechanics 2010. Svratka (CZ), 10.05.2010-13.05.2010]
    Grant CEP: GA ČR GA103/09/2066
    Výzkumný záměr: CEZ:AV0Z20600510
    Klíčová slova: polymer materials * Doi-Edwards model * integral
    Kód oboru RIV: BK - Mechanika tekutin

    One type of integral is frequently met in various description of behaviour of polymer materials through molecular-based models starting with the classical Doi-Edwards one. The integrand in this integral for which an integrated region represents a solid angle is formed by a product of a unit vector (pointed at an element of this region) with a deformation gradient tensor. This product is raised to an exponent that is not usually an integer. The aim of this contribution is to derive substantially simplified expression for this integral respecting high accuracy of an approximation.
    Trvalý link: http://hdl.handle.net/11104/0185579
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