叶片运动 meaning in Chinese
blade motion
Examples
- Therefrom , the finite element movement equations of moving characteristics of blade is derived and the finite element movement equations of vibration characteristic is gained
由此，推导出空间八结点非协调单元描述水轮机叶片运动特性的叶片运动有限元方程，进一步得出了叶片振动特性的有限元方程。 - To this problem , on the basis of the work property and characteristics of the water turbine ' s blade . the finite element mechanics model of blade vibration characteristic is described with the eight - node three - dimensional nonconforming and all parts of blade damp are analysised , the calculating model of blade damp is built , the tackling method of blade damp in calculating of dynamic stress is presented
本文根据水轮机叶片的特点和工作性质，采用空间八结点非协调等参单元描述水轮机叶片运动特性的有限元力学模型，详细分析了水轮机叶片阻尼各组成部分，并建立了叶片阻尼的计算模型，提出了叶片阻尼在动应力计算中的处理方法。 - As the deformation caused by centrifugal force is beyond the small deformation range , the large deformation effect was also taken into account in the equation . two models are constructed , one is of shrouded blade and the other is of bladed disc . the static natural frequencies and dynamic frequencies ( under 3000rpm ) are calculated by the finite element method and cyclic symmetry technique
针对叶片的结构特点,采用适应较强的三维八节点实体单元模拟叶片,建立叶片运动微分方程;叶片?轮盘系统在高速旋转时,受到离心力作用,使叶片发生大变形,故在方程中考虑了几何大变形的问题;为研究叶根轮缘之间的接触状态,建立了考虑叶根?轮缘接触的有限元方程,利用拉格朗日增广算法来求解该方程,确定叶根轮缘之间的接触面状态。