The virtual mass of the spring was brought out firstly and the dynamic model was established sequentially.
首先确定多股螺旋弹簧的虚拟质量,建立了多股螺旋弹簧的动态模型。
The virtual mass method , the method of setting up model of shell, circumferential stiffening ribs and coupling the wedge link mechanism by finite element, and the method of load on concentrated load is emphatically discussed.
着重介绍虚拟质量法,壳体、环向加强筋、楔环联结方式的有限元建模简化方法以及集中载荷的有限元加载处理方法。
Employing the concepts of generalized centroid and virtual mass, the dynamic process of peginhole assembly is analyzed.
分析了插轴的动力学过程，并采用了广义质心和虚拟质量的概念推导出成功插轴时ＤＲＣＣ的质量特性。
The virtual mass method is used to research on the fan blade characteristic.
针对风机叶片外形复杂的特点,假设结构浸入无限大的气流场中,可运用虚质量法。
This paper sums up disturbance gravitational computation methods(Bjerhammar, suppositional point mass, suppositional single layer density) by using operator operational method.
利用算子运算的方法,对求定外空扰动引力的Bjerhammar方法、虚拟点质量方法以及虚拟单层密度方法进行了系统地归纳;利用Possion核的再生特性及球谐函数的正交性质,给出了它们之间的换算关系;最后从两个方面分析了实用计算中各种方法的优劣。
Having investigated on the influence of fluid by dynamics character of the bed, different operation terms and other force(virtual mass force) with the exception of the drag force, this article acquires some relative fluid discipline to enrich the research outcome on the Liquid-solid Fluidized Bed.
本文采用欧拉-欧拉双流体模型,应用标准k-ε模型求解粘性项的方法来模拟二维液固流化床内液固两相流动,研究了其床层动态特性、不同操作条件对流动的影响、除曳力外的其它作用力(虚拟质量力)对流动的影响等,得到了相关流动规律,充实了液固流化床的研究成果。
The additional unsteady aerodynamic lift caused by the virtual mass force is the main error source of quasi-steady solution for the aerodynamic lift of morphing airfoil.
计算结果显示脱落涡尾迹对升力系数和机翼绕流环量的影响很小,变形机翼升力系数准定常计算方法的误差主要来源于流体非定常运动引起的虚拟质量力,该非定常附加升力仅与当前时刻飞行姿态及翼型形状和变形速率有关,与具体的变形历史过程无关,变形机翼的升力近似等于准定常计算结果叠加上相应的虚拟质量力。
A Virtual Quality Control System;
一个虚拟质量控制系统的设计与实现
Quality Control of Product Design Process in Virtual Enterprises;
虚拟企业产品设计过程质量控制研究
Research on quality system architecture of virtual enterprise;
虚拟企业质量管理系统体系结构研究
Power quality real-time detector based on LabVIEW
基于虚拟仪器的电能质量实时监测仪
Research and Simulation of QoS of IPSec Virtual Private Network
IPSec虚拟专用网络服务质量研究与仿真
A quality－ information－ flow based conceptual model of the quality management of virtual enterprise;
基于质量信息流的虚拟企业质量管理概念模型
Conflict and Harmonization between Virtual Reality and Reality:Essential Characteristics of Virtual World with Ethical Considering;
虚拟与现实的冲突及融合——虚拟世界的本质、特征及其伦理考量
Improvement of Experimental Determining Molar Mass Based on Virtual Instrument
基于虚拟仪器的测定物质摩尔质量实验的改进
Monitoring System of Pulverized Coal Mass Flow Based Vitual Instrumentation Technology;
基于虚拟仪器技术的煤粉质量流量监测系统
Study of Virtual Private Network QoS Based on RSVP
基于资源预留协议的虚拟专用网服务质量研究
Research on the Machining Quality Prediction System for Virtual NC Turning;
虚拟数控车削加工质量预测系统的研究
Power Quality Analyzing System Based on LabWindows/CVI;
基于虚拟仪器LabWindows/CVI的电能质量分析系统
Monitoring and Analyzing of Transient Power Quality Based on Virtual Instruments;
基于虚拟仪器的暂态电能质量监测和分析
Development of the Virtual Integrated Monitoring System for Power Quality;
虚拟电能质量综合监测系统的研制与开发
Study on Virtual Instrument Based On-line Monitoring and Measurement Technique of Power Quality;
基于虚拟仪器的电能质量在线监测技术研究
The Research of Non-destructive Testing of Pod Based on Virtual Instrument;
基于虚拟仪器技术的蚕茧无损质量检测研究
Virtual Instruments Based Quality Inspecting Machine Vision System;
基于虚拟仪器的质量检测机器视觉系统
The Research of Virtual Enterprise Quality Management Based on Agile Manufacturing;
基于敏捷制造的虚拟企业质量管理研究