The round cross-section rods in quayside container crane are very easy to induce wind resonance,and the main form of the rod wind vibration is crosswind vibration,especially the vortex vibration.
英
美
- 岸邊起重機的圓截面桿件容易發(fā)生風(fēng)致振動(dòng),風(fēng)致振動(dòng)的主要表現形式為橫風(fēng)向的振動(dòng),其中以渦激振動(dòng)為主,強烈的風(fēng)振能引起桿件兩端節點(diǎn)板應力集中部位的疲勞開(kāi)裂。
