Periodic solutions of a nonlinear suspension bridge equation with damping and nonconstant load
type: Item
instance of: scholarly article
title: Periodic solutions of a nonlinear suspension bridge equation with damping and nonconstant load
zbMATH Open document ID: 1029.35022
DOI: 10.1016/S0022-247X(03)00035-0
author: Yukun An
author: Chenkui Zhong
published in: Journal of Mathematical Analysis and Applications
publication date: 2003-05-25T00:00:00Z
review text: The authors consider the existence of periodic solutions for Lazer-McKenna suspension bridge equation with damping and nonconstant load: \[ u_{tt}+u_{xxxx}+\delta u_t+ku^+=h(x,t),\quad\text{in }\left(-\frac{\pi}{2},\frac{\pi}{2}\right)\times \mathbb{R}, \] \[ u\left(\pm \frac{\pi}{2},t\right)= u_{xx} \left(\pm \frac{\pi}{2},t\right)=0,\quad t\in\mathbb{R}, \] \[ u\text{ is }\pi\text{-periodic in }t\text{ and even in }x, \] where \(\delta \neq 0, h(x,t)=\alpha \cos x+\beta\cos(2t)\cos x+\gamma \sin(2t)\cos x\). This paper discusses the relationship between the spring constant \(k\) and the damping \(\delta\), which guarantees the existence of the sign-changing periodic solution under the case that \(h(x,t)\) is single-sign, by using Lyapunov-Schmidt reduction methods. The result answers partly the open problem in \textit{A. C. Lazer} and \textit{P. J. McKenna} [SIAM Rev. 32, 537-578 (1990; Zbl 0725.73057)].
reviewed by: Peixuan Weng
Mathematics Subject Classification ID: 35B10
Mathematics Subject Classification ID: 35L75
Mathematics Subject Classification ID: 35L35
Mathematics Subject Classification ID: 74H45
zbMATH DE Number: 1915771
zbMATH Keywords: Lyapunov-Schmidt reduction
zbMATH Keywords: sign-changing periodic solution
MaRDI profile type: Publication
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full work available at URL: s0022-247x(03)00035-0
OpenAlex ID: W2015792079
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description: scientific article; zbMATH DE number 1915771