CAJ | 학술논문

针对钢悬链线立管结构体系涡激振动的自组织演化过程问题，采用协同学的方法，通过分析质点位移为序参量的结构振动演化主方程的非定态解，阐述了快驰豫参量和控制系统演化的慢驰豫参量之间的相互关联和协同作用，得到了代表立管系统振动时序参量所满足的主方程。进而探讨了结构振动控制的方法，包括改变结构弹性模量和内流流速的被动控制方法，以及控制外部流体流速的主动控制方法，为钢悬链线立管结构涡激振动控制工程实践提供了理论依据。
침대강현련선립관결구체계와격진동적자조직연화과정문제，채용협동학적방법，통과분석질점위이위서삼량적결구진동연화주방정적비정태해，천술료쾌치예삼량화공제계통연화적만치예삼량지간적상호관련화협동작용，득도료대표립관계통진동시서삼량소만족적주방정。진이탐토료결구진동공제적방법，포괄개변결구탄성모량화내류류속적피동공제방법，이급공제외부류체류속적주동공제방법，위강현련선립관결구와격진동공제공정실천제공료이론의거。
Based on the basic principle of synergetics, and according to the system of the steel catenary risers structure vibration, this paper established the chief equation of structure vibration, listed the complex relationship between the rapid variable and the order parameter, which dominate the evolvement of the system in the course of structure vibration, the feedback, coupling and the nonlinear self-organization evolvement lying in the system. Further, this paper discussed the method of structure vibration controlling. Passive control methods include changing the elastic modulus and internal flow velocity of the structure, and active control method of control the external fluid velocity. This study provided a theoretical basis for vortex-induced vibration control of steel catenary riser structure.