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THE CONSTRUCTION OF SOLUTIONS FOR SOME MODEL PROBLEM CLASSES WITH RESOLVENT EQUATIONS OF A FRACTIONAL ORDER

  • Belarusian State University

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, we represent new examples of constructing model problems of the mechanics of a deformable solid using a fractional differentiation apparatus. The solutions to boundary problems of mechanics are found, in which the defining differential equations have a fractional order. In particular, such problems as a model of a “fractal” oscillator, a model problem on the dynamic of wave propagation in rock, model problems on the deformation of wave propagation in deformable viscoelastic media (a semi-infinite viscoelastic rod) for various viscoelasticity models are considered. When building the solutions, the Mainardi algorithm and the Laplace transformation are used. Model solutions for the considered problems are built. Asymptotic solutions of wave propagation equations in viscoelastic media under different viscoelasticity models are obtained.

Original languageEnglish
Pages (from-to)60-70
Number of pages11
JournalProceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series
Volume58
Issue number1
DOIs
StatePublished - 2022
Externally publishedYes

Keywords

  • Laplace transform
  • Mainardi algorithm
  • fractal oscillator model
  • fractional Caputo derivative
  • fractional derivative of Riemann – Liouville
  • fractional viscoelasticity models
  • wave fractal equation of geomechanics

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