具有刚性间隙约束输流管的碰撞振动 <sup>1)</sup>

具有刚性间隙约束输流管的碰撞振动 ¹⁾

王乙坤^*^†²⁾(

),王琳^†³⁾(

),倪樵^†,杨沫^*,刘德政^*,秦涛^*

VIBRO-IMPACT DYNAMICS OF PIPE CONVEYING FLUID SUBJECTED TO RIGID CLEARANCE CONSTRAINT ¹⁾

Wang Yikun^*^†²⁾(

),Wang Lin^†³⁾(

),Ni Qiao^†,Yang Mo^*,Liu Dezheng^*,Qin Tao^*

图 7. 管道中点运动的相图 (蓝色线) 和 Poincare 映射 (红色点)

Fig. 7. Phase portrait (blue line) and Poincare map (red point) of the mid-point of the pipe