Reflection and transmission of a planar solitary wave by a 2-D cylinder are investigated by matched asymptotic method.Boussinesq equations are the governing equations in the outer field and described by finite differe...Reflection and transmission of a planar solitary wave by a 2-D cylinder are investigated by matched asymptotic method.Boussinesq equations are the governing equations in the outer field and described by finite difference method.In the near field the governing equation is Laplace equation which is expressed,for a square cylinder,in eigenfunctions in different regions.The outer and inner solu- tions are matched and solved by iteration.As an example,the time history of the change of forces and moment and the evolution of the transmitted and reflected waves are given.展开更多
文摘Reflection and transmission of a planar solitary wave by a 2-D cylinder are investigated by matched asymptotic method.Boussinesq equations are the governing equations in the outer field and described by finite difference method.In the near field the governing equation is Laplace equation which is expressed,for a square cylinder,in eigenfunctions in different regions.The outer and inner solu- tions are matched and solved by iteration.As an example,the time history of the change of forces and moment and the evolution of the transmitted and reflected waves are given.
