2000
DOI: 10.1090/s0002-9939-00-05743-9
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Blow up of solutions of the Cauchy problem for a wave equation with nonlinear damping and source terms and positive initial energy

Abstract: Abstract. In this paper we consider the long time behavior of solutions of the initial value problem for semi-linear wave equations of the formHere a, b > 0. We prove that if p > m ≥ 1, then for any λ > 0 there are choices of initial data from the energy space with initial energy E(0) = λ 2 , such that the solution blows up in finite time. If we replace b|u| p−1 u by b|u| p−1 u − q(x) 2 u, where q(x) is a sufficiently slowly decreasing function, an analogous result holds.

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Cited by 80 publications
(22 citation statements)
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References 23 publications
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“…In fact, Messaoudi studied without viscoelastic term ( g ≡ 0) and obtained that any strong solution blows up in finite time if p > m with negative initial energy. Then it has been improved by Levine and Todorova that the solution blows up with positive initial energy. For other related results of single wave equation, we refer the reader to the works in .…”
Section: Introductionmentioning
confidence: 99%
“…In fact, Messaoudi studied without viscoelastic term ( g ≡ 0) and obtained that any strong solution blows up in finite time if p > m with negative initial energy. Then it has been improved by Levine and Todorova that the solution blows up with positive initial energy. For other related results of single wave equation, we refer the reader to the works in .…”
Section: Introductionmentioning
confidence: 99%
“…Отметим, что существуют три основных метода исследования явления разруше-ния: энергетический метод Левина [6]- [11], метод нелинейной емкости Похожае-ва-Митидиери [12]- [14] и, наконец, метод автомодельных режимов, основанный на различных признаках сравнения и развитый в работах Самарского, Галактионова, Курдюмова и Михайлова [15], [16].…”
Section: Introductionunclassified
“…Отметим, что существуют три основных метода исследования явления разруше-ния: энергетический метод Левина [6]- [12], метод нелинейной емкости Похожае-ва-Митидиери [13]- [15] и, наконец, метод автомодельных режимов, основанный на различных признаках сравнения и развитый в работах Самарского, Галактионова, Курдюмова и Михайлова [16], [17].…”
Section: Introductionunclassified