A general top system of two free dimensions with parameter is studied and the four cases satisfied by the frequency of the system are discussed.Using the multiple scale method,its uniformly valid asymptotic solution,w...A general top system of two free dimensions with parameter is studied and the four cases satisfied by the frequency of the system are discussed.Using the multiple scale method,its uniformly valid asymptotic solution,which is expressed by complex amplitudes,of the first order is obtained.And solvable conditions satisfied by the complex amplitudes are given,and then the relative result is generalized.展开更多
An overview of the research conducted in the area of linear and nonlinear vibrations of loudspeakers and rev- olution shells was given in the turning-point frequency range in Chapter 1.It shows that some problems con-...An overview of the research conducted in the area of linear and nonlinear vibrations of loudspeakers and rev- olution shells was given in the turning-point frequency range in Chapter 1.It shows that some problems con- cerning vibrations of shells in the turning-point range have to be further studied.The linear vibrations展开更多
基金Supported by the NNSF of China(10471039)Supported by the Natural Science Foundation of Zhejiang Province(Y606268)Supported by the E-Institutes of Shanghai Municipal Education Commission(E03004)
文摘A general top system of two free dimensions with parameter is studied and the four cases satisfied by the frequency of the system are discussed.Using the multiple scale method,its uniformly valid asymptotic solution,which is expressed by complex amplitudes,of the first order is obtained.And solvable conditions satisfied by the complex amplitudes are given,and then the relative result is generalized.
文摘An overview of the research conducted in the area of linear and nonlinear vibrations of loudspeakers and rev- olution shells was given in the turning-point frequency range in Chapter 1.It shows that some problems con- cerning vibrations of shells in the turning-point range have to be further studied.The linear vibrations