CYLINDRICAL ENVELOPE SOLITARY WAVES
HUANG Guoxiang1 , LOU senyue2 , DAI xianxi1
1 Department of Physics, Fudan University, Shanghai 200433
2 Department of Physics, Ningbo Normal College, Ningbo 315211
CYLINDRICAL ENVELOPE SOLITARY WAVES
HUANG Guoxiang1 ;LOU senyue2 ; DAI xianxi1
1 Department of Physics, Fudan University, Shanghai 200433
2 Department of Physics, Ningbo Normal College, Ningbo 315211
关键词 :
43.25.+y ,
47.35.+i
Abstract : The method of multiple-scales is used to investigate the nonlinear modulation of capillary-gravity waves with cylindrical symmetry. We find that the evolution of wave-packets is described by a nonlinear schrödinger-like equation i(U + U/2r) + αUξξ + β|U|2 U = 0. Some exact and explicit cylindrical envelope solitary wave solutions are also obtained by means of variable transformations.
Key words :
43.25.+y
47.35.+i
出版日期: 1990-09-01
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