| 1. | Under the condition of knowing the mass , stiffness , damping and the real vibration response of stem , the propeller pressure impulses of blade frequency are deduced , these belong to structure dynamics problem that is loading identification problem
摘要在已知船舶的质量、刚度、阻尼以及实测尾端振动速度的条件下，反推出螺旋桨叶频激振力。 |
