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New exact solutions to KdV equations with variable coefficients or forcing |
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| Authors: | Fu Zun-tao Liu Shi-da Liu Shi-kuo Zhao Qiang |
| Institution: | 1. School of Physics, Peking University, Beijing 100871, P. R. China; 2. State Key Laboratory for Turbulence and Complex System, Peking University, Beijing 100871, P. R. China |
| Abstract: | Jacobi elliptic function expansion method is extended to construct the exact solutions to another kind of KdV equations, which have variable coefficients or forcing terms. And new periodic solutions obtained by this method can be reduced to the soliton-typed solutions under the limited condition. |
| Keywords: | Jacobi elliptic function soliton-typed solution cnoidal wave-typed solution |
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