Stability and nonlinear vibrations of a flexible pipe parametrically excited by an internal varying

• 作 者: W.D.Xie X.F.Gao W.H.Xu
• 机 构: StateKeyLaboratoryofHydraulicEngineeringSimulationandSafety
• 出 处: 力学学报:英文版
• 发表日期: 2020年1期
• 关键词: PIPE Varying flow density Parametric excitation STABILITY Nonlinear vibrations
• 基金项目: The authors are grateful to the National Natural Science Foundation of China(Grants 51679167,51979193,and 51608059)for financial support.

Pipes are often used to transport multiphase flows in many engineering applications.The total fluid flow density inside a pipe may vary with time and space.In this paper,a simply supported pipe conveying a variable density flow is modeled theoretically,an