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General decay and blow up of solutions for a variable-exponent viscoelastic double-Kirchhoff type wave equation with nonlocal degenerate damping
  • Mohammad Shahrouzi,
  • Jorge Ferreira,
  • Erhan Pişkin
Mohammad Shahrouzi
Jahrom University
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Jorge Ferreira
Federal Fluminense University
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Erhan Pişkin
Dicle University
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Abstract

In this paper we consider a viscoelastic double-Kirchhoff type wave equation of the form $$ u_{tt}-M_{1}(\|\nabla u\|^{2})\Delta u-M_{2}(\|\nabla u\|_{p(x)})\Delta_{p(x)}u+(g\ast\Delta u)(x,t)+\sigma(\|\nabla u\|^{2})h(u_{t})=\phi(u), $$ where the functions $M_{1},M_{2}$ and $\sigma, \phi$ are real valued functions and $(g\ast\nabla u)(x,t)$ is the viscoelastic term which are introduced later. Under appropriate conditions for the data and exponents, the general decay result and blow-up of solutions are proved with positive initial energy. This study extends and improves the previous results in the literature to viscoelastic double-Kirchhoff type equation with degenerate nonlocal damping and variable-exponent nonlinearities.

Peer review status:UNDER REVIEW

02 Nov 2021Submitted to Mathematical Methods in the Applied Sciences
05 Nov 2021Assigned to Editor
05 Nov 2021Submission Checks Completed
17 Nov 2021Reviewer(s) Assigned