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Inverse problem of determining the one-dimensional kernel of the viscoelasticity equation in a bounded domain

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Abstract

The one-dimensional integro-differential equation arising in the theory of viscoelasticity with constant density and Lamé coefficients is considered. The direct problem is to determine the displacement function from the initial boundary-value problem for this equation, provided that the initial conditions are zero. The spatial domain is the closed interval [0, l], and the boundary condition is given by the stress function in the form of a concentrated perturbation source at the left endpoint of this interval and as zero at the right endpoint. For the direct problem, we study the inverse problem of determining the kernel appearing in the integral term of the equation. To find it, we introduce an additional condition for the displacement function at x = 0. The inverse problem is replaced by an equivalent system of integral equations for the unknown functions. The contraction mapping principle is applied to this system in the space of continuous functions with weighted norms. A theorem on the global unique solvability is proved.

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Authors and Affiliations

  1. Bukhara State University, Bukhara, Uzbekistan

    D. K. Durdiev

  2. Tashkent University of Information Technology, Tashkent, Uzbekistan

    Zh. Sh. Safarov

Authors
  1. D. K. Durdiev
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  2. Zh. Sh. Safarov
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Correspondence to D. K. Durdiev.

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Original Russian Text © D. K. Durdiev, Zh. Sh. Safarov, 2015, published in Matematicheskie Zametki, 2015, Vol. 97, No. 6, pp. 855–867.

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Durdiev, D.K., Safarov, Z.S. Inverse problem of determining the one-dimensional kernel of the viscoelasticity equation in a bounded domain. Math Notes 97, 867–877 (2015). https://doi.org/10.1134/S0001434615050223

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  • DOI: https://doi.org/10.1134/S0001434615050223

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