1)dynamic modification动力修改
1.Dynamic Modification of Cylinder Head Based on Sensitivity Analysis;基于灵敏度分析的缸盖动力修改
2.Modal tests and dynamic modification for large cylindrical wharf structures;大圆筒码头模态试验和动力修改技术研究
3.Redesign of dynamic modification for rotor-bearing system to avoid resonance;转子——轴承系统避开共振的动力修改再设计
英文短句/例句
1.Dynamic Analysis and Modification of Clutch Driven Disc离合器从动盘的动态分析与动力修改
2.Application of Dynamic Characteristics in Structural Dynamics Modification for a Construction Machine动力特性在某工程机械结构动力修改中的应用
3.Dynamic Characteristic Analysis and Dynamic Modification of Diesel Engine Block柴油机机体的动态特性分析及动力修改
4.Study of Structural Dynamics Modification Based on Sensitivity Analysis基于灵敏度分析的结构动力修改方法研究
5.Structural Dynamics Modification for a Shelter with Targets of Random Responses以随机响应为目标的方舱结构动力修改
6.The Study of Experiment Modal Analysis and Structural Dynamic Modification of Automobile Frame车架试验模态分析及其结构动力修改研究
7.Research on Dynamic Modification and Size Optimization of Plate and Shell Structures Based on Frequency Constraint;基于频率约束的板壳结构动力修改和尺寸优化的研究
8.Rolling Mill Self-Vibration Diagnosis and Structure Dynamic Modification;轧机自激振动诊断与结构动力学修改
9.The Modification of the Building Structure Dynamic Characteristics amd the Design to Satisfy Human Comfort Requirements建筑结构动力特性修改与满足人舒适要求设计
10.The Application of Dynamic Modifying Technology of Structure in Missile Design;结构动力学模型修改技术在导弹设计中的应用
11.MATRIX PERTURBATION METHODS AND INVERSE PROBLEM ON THE STRUCTURE DYNAMICS PART Ⅰ: MASS MATRIX MODIFICATION结构动力学特性修改的矩阵摄动方法与反问题——Ⅰ:质量矩阵摄动
12.Such as wind, force fields .. and what ever comes from the modifier stack there.如风,力场...和任何来自修改堆的修改。
13.Acoustic optimization design for powertrain mounting system based on the method of dynamic subsystem modification基于动态子系统修改的动力总成悬置声学优化设计
14.The making-up is women's mending of God's casual creation.化妆,代表女人对上帝造人时的不经心的努力,自己动手修改她。
15.About Improving the Attack and Defense Resistance Ability of the Foil Athlete after the Change of the Parameter in Judicatory;击剑裁判器参数修改后对花剑运动员攻防对抗能力的影响
16.The state encourages citizens to take part in voluntary labor," shall be amended as: "Work is the glorious duty of every able-bodied citizen.国家提倡公民从事义务劳动。” 修改为:“劳动是一切有劳动能力的公民的光荣职责。
17.Cannot modify the drive letter of your system or boot volume.无法修改系统或启动卷的驱动器号。
18.The XJ01 Automatic Control Voltage Dropping Starts Cabinet's Service and ImprovesXJ01型自动降压启动柜的维修与改进
相关短句/例句
dynamic modification动力学修改
1.Based on the sensitivity analysis of natural characteristics,a calculation method for torsional vibration system structural dynamic modification was presented.基于固有特性灵敏度分析,给出了扭振系统结构动力学修改的计算方法。
2.The results indicate that as the basic dynamic modification method of cylinder block, the sensi.分析结果表明,灵敏度分析为发动机缸体动力学修改提供了依据,是发动机NVH性能提升的有效途径。
3.Based on the sensitivity analysis,a multi-step method for dynamic modification was presented.基于灵敏度分析,采用多步灵敏度计算方法对其进行动力学修改。
3)structural dynamic optimum结构动力学修改
4)structural dynamic modification结构动力修改
1.A pile testing method based on structural dynamic modification;基于结构动力修改的桩基检测方法
2.The paper deals with the dynamic characteristic analysis and the structural dynamic modification of universal mill machine with horizontal milling.以X8140万能工具铣床平铣工况为研究对象, 对其在典型工况下进行相对激振动态试验,获得反映其动态特性的试验数据, 辨识出该铣床的模态模型, 在动力分析的基础上,找出了影响该铣床铣削加工能力和加工精度的薄弱模态及主振部件, 并结合主振部件的结构特征, 制定了结构动力修改方案及措施, 结构改进后, 该铣床的切削加工能力和加工精度得到了较大幅度的提高。
3.Based on the matrix perturbation theory,the complex constraint method and pseudo-element method, a new matrix perturbation method of cyclic symmetry for structural dynamic modification in cyclic symmetric structure was presented.利用结构的循环对称特性 ,以矩阵摄动理论和复约束法、伪单元法为基础 ,提出结构动力修改的循环对称摄动新方法 ,通过对循环对称扇区模型的分析获得整个循环对称结构特征值和特征向量的变化 ,大规模减少了这类结构动力修改的计算工作量 ,大大提高了计算效率。
5)structural dynamics modification结构动力修改
1.Combining the results of modal expe-riment analysis on body-in-white and the results of finite element analysis,structural dynamics modification on the car front-body of a monocoque body has been made based on optimization algorithm.对轿车车头子系统进行正确的结构动力修改是利用其代替整车进行室内道路模拟试验的关键。
2.This paper put forward an improvement on the method for structural dynamics modification based on the sensitivity analysis to use it in the practice.针对基于灵敏度分析的结构动力修改方法在实际应用中的不足之处,改进了用于计算的公式,使之能够直接指导工程实践。
3.Summarizes three problems in structural dynamics modification.对结构动力修改的三个问题进行了综述,对逆问题研究中基于实测模态的修改法和基于有限元模型的修改法作了分析。
6)dynamic small scale modification结构动力小修改
延伸阅读
动力机械:内燃机动力学研究内燃机运转中的力学现象的科学。其主要任务是研究分析内燃机运转时各主要零件的运动规律及其受力情况﹐用以作为内燃机零件设计﹑计算的依据。它还研究这些力对内燃机动力装置的影响及其消减方法。内燃机动力学的主要内容为曲柄连杆机构运动学﹑曲柄连杆机构动力学和内燃机平衡分析等。曲柄连杆机构运动学 研究曲柄﹑连杆﹐尤其是活塞的运动规律。活塞作周期性往复运动时的位移、速度和加速度可用下述各式近似求算式中为曲轴转角﹔ 为曲轴旋转角速度﹔为曲柄半径﹔为曲柄半径 与连杆长度之比﹐即 = / 曲柄作回转运动﹐连杆作复杂的平面运动。连杆的运动往往被简化分解为随活塞组的往复运动和随同曲柄的旋转运动。曲柄连杆机构动力学 研究分析曲柄连杆机构(见曲柄滑块机构)在运动中力的生成﹑传递和输出。作用在曲柄连杆机构上的力有曲柄连杆机构运动时产生的往复惯性力和离心惯性力﹐以及内燃机气缸内的气体压力。