Study on influence factors of equilibria, destablization and catastrophe of nonlinear movement of axisymmetric vortex
轴对称涡旋非线性运动平衡态、失稳和突变影响因子的研究

By using a mathematical model of nonlinear dynamic system, the influence factors of equilibria, destablization and catastrophe in nonlinear movement of the axisymmetric vortex are discussed.The result shows that anomalous developments of vortices and tropical cyclones are related not only to convection and dissipation, but also to nonlinear advection of momentum, thermal flux through the lateral boundary of systems and transfer structures of sensible and latent heats on underlying surface.