School of Astronautics, Centre for Nonlinear Dynamics Research, Harbin Institute of Technology, Harbin 150001,China;
School of Astronautics, Centre for Nonlinear Dynamics Research, Harbin Institute of Technology, Harbin 150001,China;
Laboratoire de Mécanique et d' Acoustique, CNRS, 31,Chemin Joseph Aiguier, 13402 Marseille Cedex 20, France;