Chaotic Behaviour of the Solutions of the Moore-Gibson- Thompson Equation

نویسندگان

  • J. Alberto Conejero
  • Carlos Lizama
  • Francisco Rodenas
  • José Sousa Ramos
چکیده

We study a third-order partial differential equation in the form τuttt +αutt −cuxx −buxxt = 0, (1) that corresponds to the one-dimensional version of the Moore-Gibson-Thompson equation arising in high-intensity ultrasound and linear vibrations of elastic structures. In contrast with the current literature on the subject, we show that when the critical parameter γ := α − τc2 b is negative, the equation (1) admits an uniformly continuous, chaotic and topologically mixing semigroup on Banach spaces of Herzog’s type.

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تاریخ انتشار 2015