Article
Keywords:
thin plate; simply supported; existence; infinitely many nonzero time-periodic solutions; Ljusternik-Schnirelman theory; approximate solution
Summary:
In the paper, we deal with the equation of a rectangular thin plate with a simply supported boundary. The restoring force being an odd superlinear function of the vertical displacement, the existence of infinitely many nonzero time-periodic solutions is proved.
References:
[3] E. Feireisl: On periodic solutions of a beam equation. (Czech.). Thesis, Fac. Math. Phys. of Charles Univ., Prague 1982.
[4] V. Lovicar:
Free vibrations for the equation $u_{tt} - u_{xx} + f(u) = 0$ with f sublinear. Proceedings of EQUADIFF 5, Teubner Texte zur Mathematik, Band 47, 228-230.
MR 0715981