The asymptotic solution of the Korteweg-deVries equation in the absence of solitons

The asymptotic solution of the Korteweg-deVries equation in the absence of solitons
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无孤子情况下 Korteweg-deVries 方程的渐近解

DOI:
10.1002/sapm197960159
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发表时间:
1979
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影响因子:
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通讯作者:
J. Miles
J. Miles
中科院分区:
--
文献类型:
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作者:
J. Miles

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对于没有孤子演化的初始条件,Korteweg-de Vries 方程 uτ+ ⅓uxxx+ 2uux= 0 的渐近解是作为τ−2/3(Vz−V2,其中 V=V(z/τ) 和 z=τ−1/3x 形式的缓慢变化相似解而获得的。结果与 Ablowitz 和 Segur [2] 最近通过相当不同的方法获得的结果一致,但有些超出。
The asymptotic solution of the Korteweg‐de Vries equationuτ+ ⅓uxxx+ 2uux= 0 for initial conditions from which no solitons evolve is obtained as a slowly varying similarity solution of the formτ−2/3(Vz−V2, whereV=V(z/τ) andz=τ−1/3x. The results are consistent with, but go somewhat beyond, those recently obtained by Ablowitz and Segur [2] through a rather different approach.