Analysis of formation mechanism and stability of the deformable body in a hydroelectric power station in southwest China 西南某水电站变形体成因机制及稳定性分析
The blank is modeled as a deformable body. 模具看作刚体,板料作为变形体。
Generally used methods for single point deformation analysis do not make full use of the relationship information among monitoring points. It can not represent integrated deformation regularity of the deformable body. 常用的单点变形分析方法没有利用监测点间相互关系的信息,不足以反映变形体整体的变形规律。
The visco-elastic problem for a special deformable body, growing body, is investigated. Based on the moving grid, the time-varying element model and corresponding numerical method are developed to solve the time-varying problem. 研究了一类特殊的变形体&增长体的粘弹性力学问题,建立了基于移动网格的时变元模型及其数值方法。
The Finite Rotation Parameter of a Deformable Body and Gyromagnetic Effect 可变形体的有限转动参数和回转磁效应
On the Sufficiency of Virtual Work Principle for Deformable Body 论变形体虚功原理的充分性
The Development of a Detecting System of Contour-based Optical Field for Deformable Body Images 一种变形体图像轮廓光流场检测系统的研制
Real-time deformable body animation based on shape matching 实时形状匹配变形体动画
General mechanics is foundational mechanics. It is important to establish dual forms of the generalized variational principles in general mechanics for studying dual forms of the generalized variational principles in deformable body mechanics and other subjects besides mechanics. 一般力学是基础力学,建立一般力学广义变分原理的对偶形式,对研究变形体力学和力学以外的其他学科的广义变分原理的对偶形式有重要的参考价值。
Distinguishing and identification of deformable body, landslide and collapse body in the Three Gorges Reservoir Area 三峡库区变形体、滑坡、崩滑体的区别及认识
A finite element approach to solve deformable body-rigid body contact problems in geotechnical engineering 一种解岩土工程变形体-刚体接触问题的有限元法
Early geometric deformable model only considered the geometrical nature of the human body. 早期的几何形变模型仅仅反映了人体形变的几何特征。
Multi-modality control of thermal drive part based on deformable body 基于变形体的热驱动部件多模态控制策略研究
The According to characteristics of the discontinuous piecewise rigid body model and the continuous deformable body model, new model-The Interface Stress Element Model ( ISEM) is established, which can put both continuous media problems and discontinuous media problems into consideration. 根据不连续的分片刚体模型和连续介质变形体的特点,建立了统一分析连续介质问题与不连续介质问题的新模型&界面应力元模型,应用虚功原理推导了其支配方程。
In order to improve the feed speed and control precision of deformable body based drive parts that having large feeding force, a new method was presented for realizing micro feed in z direction by controlling the temperature field of thermal drive parts. 为了提高基于变形体的具有大进给力热驱动部件的进给速度和控制精度,提出通过控制热驱动部件的温度场实现z方向微进给的方法。
The Calculation of Temperature Field and Displacement Field of Deformable Body 变形体温度场和位移场的计算
No matter the relative slide occurs or not, the contact bodies cannot penetrate each other in any wise. A finite element approach to solve deformable body-rigid body contact problems is developed. The finite element formulae are constructed on the basis of the virtual work principle. 针对变形体-刚体这种特殊的接触问题,应用变形体的虚功原理建立了相应的虚功方程,在此基础上得出有限元计算公式,并建立了弹塑性接触问题有限元计算的实现方法。
On the Expression and the Proof of Virtual Work Principle for Deformable Body 关于变形体虚力原理的表述及证明
The virtual work equation is the necessary and sufficient condition for the equilibrium of the deformable body only when it is cut into infinite elements but not into finite elements. 但当切割成有限个元体时,虚功方程就只是变形体平衡的必要条件,而不能构成充分条件。
Based on a great deal of site investigation, field exploration of tunnels, and testing, fracture characteristics of the deformable body was firstly described in this paper and some strong evidences were obtained to determine its boundary, which is ambiguous and different in previous studies. 立足于大量的地面调查、多个平硐勘探与测试,本文首先介绍了ⅡB大型变形破裂体的变形破裂特征,并应用现场氡气探测裂缝深度等结果,界定了变形体的边界。
First, we chose the GEL dynamics engine, which is a filling sphere model introduced a skeleton technology, to simulate the dynamic characteristic and overall deformation of deformable body, and to get the result of collision detection. 采用GEL凝胶动力学引擎,即填充球模型中引入一种骨架技术,模拟软体的动力学特性及整体形变,进行手术器械与人体的碰撞检测。
A deformable body is divided into two parts based on the difference of the dislocation pile-up degree and deformation restriction of grain, and they are single crystal area on the free surface and polycrystal area in the internal portion of deformable body. 根据位错塞积程度和晶粒变形受约束程度的差异将变形体分作两部分:位于自由表面的单晶体区和变形体内部的多晶体区。
Comparing with the relative work of Wagner, the measurement theory in this thesis can describe the strain components of any direction on the surface of the deformable solid body under any loading state. 与Wagner的相关工作比较显示,本文的测量理论不仅能够比较准确地表征变形体表面任何载荷状态下任何方向的应变,而且对多种常见的拉曼模式具有比较广泛的适用性。
Deformation monitoring of deformable body and forecasting deformation are the means of forecasting and preventing disasters in the face of deformation problems of deformable body. 在面对变形体变形问题时,监测变形体的变形,预报变形体的变形值,是预报防止灾害发生的手段。
Precise deformation monitoring of deformable body and reasonable prediction model are the key of solving the problems. 精确的监测变形体的形变和合理的提出合理预报模型是解决问题的关键。
Deformation monitoring is an important way to monitor the deformation safe or not, the main task is to obtain the deformation information by deformation monitoring, then analysis the deformation information and judge the security situation of deformable body. 变形监测是监测形变体安全与否的重要手段,其主要任务是通过变形监测获取变形信息,然后对变形信息进行分析,对变形体的安全状况作出判断。