Based on the three-dimensional Oldroyd viscoelastic fluid model, we develop a simple linear one-dimensional model of blood flow through a thin blood vessel with an elastic multilayer cylindrical wall. Unlike known models, the obtained system of integrodifferential equations with respect to the variables z and t (the longitudinal coordinate ant time) includes the Volterra operator in t, which takes into account the relaxation effect of stresses in a pulsating flow of blood regarded as a many-component viscoelastic fluid. We construct a simplified differential model corresponding to “short-term memory.” We study the effect of high-amplitude longitudinal oscillations of wall under a dissection (lamination). Bibliography: 24 titles. Illustrations: 1 figure.
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Dedicated to Nina Nikolaevna Uraltseva who taught us a lot
Translated from Problemy Matematicheskogo Analiza 78, January 2015, pp. 123-140.
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Kozlov’, V.A., Nazarov, S.A. One-Dimensional Model of Viscoelastic Blood Flow Through a Thin Elastic Vessel. J Math Sci 207, 249–269 (2015). https://doi.org/10.1007/s10958-015-2370-0
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DOI: https://doi.org/10.1007/s10958-015-2370-0