The work summarized in this paper aims at improving the accuracy of rotor blade dynamics analysis, and that of its internal force calculation in particular, by the finite element method.
提高用有限元法进行桨叶动力分析、特别是动内力计算的精度是本文工作的主要目的。
The main purpose of the work described in this paper is to improve the accuracy of rotor blade dynamics analysis, especially, that of internal force calculation by the finite element method.
提高用有限无法进行桨叶动力分析、特别是内力计算的精度是本文工作的主要目的。
The numerical flutter analysis system was formed by the three-dimensional numerical simulation of the vibrating cascade flow combined with the structural dynamics analysis of vibrating blade.
将振动叶栅三维流动数值模拟与振动叶片结构动力学分析相结合，建立了叶片颤振数值分析系统。
In this paper, we studied its dynamics model, the dynamic characteristic and fractal characteristic of the strain response of the blade with FEM.
针对风力机叶片结构的运行工况，应用有限元分析方法，对叶片进行动力学建模、动力学特性及应变响应的分形特征研究。
Blade uses the principle of fluid dynamics, using analytical method designed to achieve greater air volume and a smaller noise.
风叶采用流体力学的原理，用解析方法设计，实现更大风量和更小噪音；
The stiffening effects of the rotating blade are discussed, using the multi-body dynamics method. The influence of the dynamic stiffening effect on the blade vibration mode is then analyzed.
应用多体动力学方法，分析了旋转叶片动力刚化效应产生的原因及其对叶片振动模态的影响；
Some improvements in previous computation models of blade stall flutter in axial-flow compressors have been made on both aerodynamics and structural dynamics so as to make the models more practical.
本文对于现有的叶片失速颤振计算模型进行了一些改进，以期使其更接近于真实物理图画。
Main rotor is the key part of helicopter modeling, the associated modeling methods of aerofoil aerodynamic loads, rotor inflow dynamics and blade flap motion are discussed in detail.
主旋翼是直升机建模的关键，详细讨论了与其相关的翼型气动力模型、 诱导速度模型和挥舞运动模型的建模方法。
The design of structure and dynamics of a rotor blade is based on its section characteristic of composite blade.
复合材料桨叶剖面特性是旋翼桨叶设计的最基本原始参数，也是桨叶结构设计、动力学设计和结构分析的基础。
The design of structure and dynamics of a rotor blade is based on its section characteristic of composite blade.
复合材料桨叶剖面特性是旋翼桨叶设计的最基本原始参数，也是桨叶结构设计、动力学设计和结构分析的基础。
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