On Cauchy Problems for the RLW Equation in Two Space Dimensions
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摘要: 通过椭圆积分求出了二维RLW方程椭圆余弦波解,并用先验估计方法证明了该方程Cauchy问题关于小x、y周期解的若干性质和解的唯一性、稳定性。Abstract: A cnoidal wave solution of the two dimensional RLW equation of are obtained by elliptic integral method, and the some estimations the uniqueness and the stability of the periodic solution with both x, y to the Cauchy problem are proved by the priori estimations.
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Key words:
- two dimensions RLW equation /
- cnoidal wave solution /
- periodic solution /
- uniqueness
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[1] Benjamin T B,Bona J L,Mahony J J.Model equations for long wave in nonlinear dispersive systems[J].Philos Trans Roy Soc London Ser A,1972,272:47-78. [2] Albert J.Dispersion of low-energy waves for the generalized Benjamin-Bora-Mahong equation[J].J Differential Equations,1986,63:117-134. [3] 尚亚东.二维RLW方程SRLW方程的显式精确解[J].应用数学,1998,11(3):1-5. [4] Oberhettinger F.Fourier Expansions[M].New York/London:Academic Press,1973. [5] Courant R,Hilbert D.Methods of Mathematical Physics[M].Vol Ⅰ,New York:Interscience,1953.
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