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- W3171395381 abstract "Abstract This paper investigates the infinite time blow‐up of solutions with arbitrary high initial energy to wave equations with weak damping term, strong damping term, and logarithmic nonlinearity. This problem has been studied previously with the assumptions that there is no strong damping term and the initial displacement and initial velocity have the same sign. However, from the physical point of view, it is obvious that the initial displacement and initial velocity may have different signs, and it is very necessary to consider the effects of the strong damping term. For example, the strong damping term indicates that the stress is not only proportional to the strain as with the Hooke law, but also proportional to the strain rate as in a linearized Kelvin–Voigt material. In this paper, by providing a completely different method from previous studies, we show that the solutions may blow up at infinity with arbitrary high initial energy when the model involves the strong damping term and the initial displacement and initial velocity may have different signs. Moreover, in this paper, we prove for the first time how to extend the solution over time (the whole half line) in studying the infinite time blow‐up phenomena for hyperbolic equations with logarithmic nonlinearity. These results fill in the gaps in previous studies on this type of models." @default.
- W3171395381 created "2021-06-22" @default.
- W3171395381 creator A5030190859 @default.
- W3171395381 creator A5043106122 @default.
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- W3171395381 date "2021-05-27" @default.
- W3171395381 modified "2023-10-16" @default.
- W3171395381 title "Infinite time blow‐up of solutions to a class of wave equations with weak and strong damping terms and logarithmic nonlinearity" @default.
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- W3171395381 doi "https://doi.org/10.1111/sapm.12405" @default.
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