摘要
利用Ho-Hoon Lee提出的在满足叶片弯曲机制情形下的新的动力学建模方法对盘叶这种常见的机械系统进行动力学建模。并用拉格郎日方法和假设模态法离散推导出了系统的动力学方程。在建立系统动力学方程的过程中考虑了未被Ho-Hoon Lee[2]所考虑的盘的半径,同时给出了盘叶系统的数值仿真结果。并与文献[3]中简化的一阶近似耦合模型在理论上和数值上进行了比较。
In this paper,dynamic modeling of a rotating blade in a non-inertial system is studied using the new nonlinear dynamic model proposed by Ho-Hoon Lee which is compatible with the bending mechanism of flexible links.Utilizing the Lagrange theory and assumed mode method for discretization,two differential equations for the flexible rotating blade system are derived in consideration of the radius of the hub which was neglected by Ho-Hoon Lee.Validity of the new nonlinear dynamic model is verified by numerical simulations.Finally,we make a comparison with the results of the simplified first-order approximation coupling（SFOAC） model presented in Reference[3].
出处
《机械科学与技术》
CSCD
北大核心
2010年第5期570-573,共4页
Mechanical Science and Technology for Aerospace Engineering
