计算物理 ›› 2010, Vol. 27 ›› Issue (6): 919-926.

• 研究论文 • 上一篇    下一篇

随机Ginzburg-Landau方程的数值模拟

王廷春1,2, 郭柏灵2   

  1. 1. 南京信息工程大学数理学院, 江苏 南京 210044;
    2. 北京应用物理与计算数学研究所, 北京 100088
  • 收稿日期:2009-09-11 修回日期:2010-04-08 出版日期:2010-11-25 发布日期:2010-11-25
  • 作者简介:王廷春(1979-),male,Qingdao,Shandong,Doctor,major in numerical methods for partial differential equations.
  • 基金资助:
    Supported by China Postdoctoral Science Foundation (Grant No.20100470254)

Numerical Simulation of Stochastic Ginzburg-Landau Equation

WANG Tingchun1,2, GUO Boling2   

  1. 1. College of Math & Physics, Nanjing University of Information Science & Technology, Nanjing 210044, China;
    2. Institute of Applied Physics and Computational Mathematics, Beijing 100088, China
  • Received:2009-09-11 Revised:2010-04-08 Online:2010-11-25 Published:2010-11-25
  • Supported by:
    Supported by China Postdoctoral Science Foundation (Grant No.20100470254)

摘要: 对随机Ginzburg-Landau方程进行数值研究,构造一个非线性差分格式和一个线性化差分格式.通过对确定性和随机Ginzburg-Landau方程的计算,表明所构造的格式具有较高的精度和较快的计算效率.对随机Ginzburg-Landau方程就噪声振幅的不同取值进行了数值模拟,并对由此引发的各种行为进行了描述.

关键词: 随机Ginzburg-Landau方程, 有限差分法, 白噪声

Abstract: Stochastic Ginzburg-Landau equation is numerically studied.A nonlinear difference scheme and a linearized scheme which avoid iteration in implementation are constructed.Numerical solutions of both deterministic equation and stochastic equation show accuracy and efficiency of the difference schemes.Numerical experiments with different noise amplitudes are presented and different types of behaviors are described.

Key words: stochastic Ginzburg-Landau equation, finite difference method, white noise

中图分类号: