藏本-西瓦申斯基方程
外觀
Kuramoto-Sivashinsky 方程是一個非線性常微分方程[1]:
此方程的解析解為
其中
阿多米安近似解
[編輯]利用阿多米安分解法可求得Kuramoto-Sivashinsky方程的柯西問題近似解[2]。
- 初始條件 u(0)=sin(x);
pa := (-.2441*sin(6.*x)+0.1693e-1*sin(4.*x)-0.5787e-4*sin(2.*x)-.5382*sin(10.*x)+.7224*sin(8.*x))*t^9+(.1514*sin(5.*x)+0.1356e-5*sin(x)+.4634*sin(9.*x)-.5585*sin(7.*x)-0.5933e-2*sin(3.*x))*t^8+(-0.8889e-1*sin(4.*x)-.4063*sin(8.*x)+0.1389e-2*sin(2.*x)+.4339*sin(6.*x))*t^7+(.3647*sin(7.*x)-.3391*sin(5.*x)-0.1085e-3*sin(x)+0.4746e-1*sin(3.*x))*t^6+(-.3375*sin(6.*x)-0.2083e-1*sin(2.*x)+.2667*sin(4.*x))*t^5+(-.2109*sin(3.*x)+0.5208e-2*sin(x)+.3255*sin(5.*x))*t^4+(-.3333*sin(4.*x)+.1667*sin(2.*x))*t^3+(-.1250*sin(x)+.3750*sin(3.*x))*t^2-.5000*t*sin(2.*x)+sin(x)
參考文獻
[編輯]- ^ Graham W. Griffiths William E.Shiesser Traveling Wave Analysis of Partial Differential Equations p185-196 Academy Press
- ^ Inna Shingareve Carlos Lizarraga Celaya,Solving Nonlinear Partial Differential Equations with Maple and Mathematica p230-236, Springer
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- 王東明著 《消去法及其應用》 科學出版社 2002
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- Richard H. Enns George C. McCGuire, Nonlinear Physics Birkhauser,1997
- Inna Shingareva, Carlos Lizárraga-Celaya,Solving Nonlinear Partial Differential Equations with Maple Springer.
- Eryk Infeld and George Rowlands,Nonlinear Waves,Solitons and Chaos,Cambridge 2000
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