We study the nonlinear wave equation involving the nonlinear damping term \(u_{i}\left|u_{t}\right|^{m-1}\) and a source term of type \(u|u|^{p-1}\). For \(1<p \leqslant m\) we prove a global existence theorem with large initial data. For \(1<m<p\) a blow-up result is established for sufficiently la
Global existence and nonexistence for a nonlinear wave equation with damping and source terms
β Scribed by Yong Zhou
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 209 KB
- Volume
- 278
- Category
- Article
- ISSN
- 0025-584X
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β¦ Synopsis
Abstract
In this paper we consider a nonlinear wave equation with damping and source term on the whole space. For linear damping case, we show that the solution blows up in finite time even for vanishing initial energy. The criteria to guarantee blowup of solutions with positive initial energy are established both for linear and nonlinear damping cases. Global existence and large time behavior also are discussed in this work. (Β© 2005 WILEYβVCH Verlag GmbH & Co. KGaA, Weinheim)
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