Direct method; Power system transient stability; Extended equal area crit-erion; Potential energy boundary surface; Relevant unstable equilibrium point; 直接法;电力系统暂态稳定;扩展等面积准则;势能边界面;相关不稳定平衡点;
A Study of the Eddy Current Distribution inside a Conductor Cylindrical Boundary Surface for Quasi-steady-state 似稳条件下导体圆柱面内的涡电流分布研究
Characteristics and petroleum geologic significances of the sequence boundary surface of Cambrian strata in Tarim Basin 世界液化石油气协会塔里木盆地寒武系层序界面特征及其油气地质意义
Elasto-plastic boundary surface model for natural soft clay with structural damage Reserch on Nonplanar Interfaces Formed by Transient Liquid Phase Diffusion Bonding Process 天然状态结构性软黏土的边界面弹塑性模型瞬时液相扩散连接非平面结合界面的研究现状
In practice, two semisilvered or aluminized glass optical flats from the reflecting boundary surface. 实际上,两块半镀银的或镀铝的光学平面玻璃构成了反射界面。
A new control criterion is presented for the conventional time domain simulation by using the extended potential energy boundary surface method. 在拓广经典势能界面法的基础上,引进一些约束条件,为详细数学模型数值积分提供了一种控制仿真进程的判据。
Extraction and Semi-transparent Visualization of Boundary Surface in 3D Images 三维图像中边界曲面的抽取与半透明可视化
The electromagnetic fields at a boundary surface or at a surface whereon some charge exists or some current flows Causes this item to become active in the user interface. 分界面上及面电荷和面电流处的电磁场使此项在用户界面上处于活动状态。
Based on clustering normal and attack training samples, by defining approaching degree of boundary surface of every clustering center, quadratic expression of standard SVM is improved; 通过对正常和攻击样本的聚类分析,定义聚类簇中心的边界面接近度因子,实现对标准SVM二次式的改进;
Electrostatic coagulation of bipolar-charged particles in an external AC electric field The electromagnetic fields at a boundary surface or at a surface whereon some charge exists or some current flows 双极荷电颗粒在外加交变电场中的静电凝聚分界面上及面电荷和面电流处的电磁场
It also has practical function of boundary surface control on CAI making process. 同时对CAI制作过程中界面控制具有实际应用作用。
The elastic unloading is replaced by elasto-plastic, then the boundary surface model can be used to analyze the plastic deformation of soft clay during unloading process. 将传统边界面模型的线弹性卸载过程改进为弹塑性,建立了软粘土的边界面广义弹塑性模型,从而使边界面模型可用于分析软粘土卸载过程中的塑性变形问题。
Velocity field and the distribution of pressure within inner points and pressure on boundary surface are obtained. 得到了速度场、内点的压力分布及翼栅边界面上的压力分布。
Development of Study on Boundary Surface Constitutive Models for Soils 土的边界面本构模型研究进展
The effects of the motion of medium on the frequency, velocity and direction of propagation of electromagnetic waves, the laws of reflection and refraction on the boundary surface of a moving medium are discussed. 论述了运动介质对电磁波频率、速度和传播方向的影响及在运动介质表面的反射定律和折射定律。
It is presented that the particle slides and itself is damaged simultaneously when loading, which are described by boundary surface plastic model and elastic damaged model respectively, the influence of particle failure on peak stress ratio is considered. 提出了钙质砂在载荷作用下同时存在颗粒破碎和滑移两种变形机制,二者分别采用弹性损伤模型和边界面塑性模型予以描述,在模型中考虑颗粒损伤率对峰值应力比的影响。
In the epigeosphere and man-land system, material, energy and information are migrated, exchanged and transported among the inner of each sphere and the boundary surface, the inner of each region and the regional boundary. 在地球表层与人地系统中,各圈层内部及界面之间与各区域内部及区际之间,不断进行物质、能量和信息的迁移、转化与传输。
The paper has presented two calculation methods of the initial stress value of models on boundary surface based on the analysis and discussion of boundary stress in three-dimension photoelastic model of changeable elastic modulus for the geological structure body. 本文根据对变弹性模量三维地质结构体模型边界的应力分析和讨论,提出了两种模型边界的应力初值计算方法。
Boundary surface mesh constrains the mesh generation. 边界表面网格是网格生成的边界约束条件。
In this model the unstable mode is excited at the boundary surface between the north ( or south) tail lobe and the plasma sheet. 在此模型里,不稳定模式在北(或南)尾瓣和等离子体片之间的边界面上激发。
According to the characteristics of Iais multiple mechanism plasticity model and boundary surface plasticity model, a multiple mechanism boundary surface plasticity model of saturated sand is established. 根据Iai多重剪切机构塑性模型及边界面塑性模型的特点,建立了一个砂土多机构边界面塑性模型。
Pressure Distribution Model for Mutation Boundary Surface of Porous Mediums 多孔介质中突变面压力分布模型
The paper divides regionally the flow under the ice cover and gives flow conditions of the regional boundary surface. 本文对冰覆盖下的河道水流进行了区域划分,给出了区域分界面上的水流条件。
Furthermore, We realize the approximate developing of undeveloped-irregular boundary surface using a few triangle cells. 更进一步,通过构造对复杂边界和局部大曲率复杂曲面有较强适应性的局部三角形单元及其面积不变条件下的展开算法,对不规则边界曲面、局部陡曲面实现了几何近似展开。
The analysis of upper-bound method in the study of the shearing surface, I, e, the boundary surface between the deformed and undeformed zones in the axisymmetric die forging, is presented in this paper. 用上限法研究了轴对称模锻最终阶段变形域与未变形域间边界,即所谓剪切曲面的形状。
Moving on the boundary surface is the basic characteristics of swimming. 界面运动是游泳的基本特征。
Repeat this process once and again, until the whole boundary surface is extracted. 反复进行补洞和再追踪过程,直到完成对整个曲面的抽取。
At last, the thesis discuss the expanding apply of the local modify method, and apply it to variational boundary surface modification and ship surface patches design. 因此论文最后对局部修改法的扩展应用进行了探讨,将其应用于变边界曲面修改和船体曲面的分片生成,对应用过程中的具体操作进行了阐述。
Detecting boundary surface using gradient threshold is a basic method, and traditionally, a global threshold is used. 应用梯度阈值来检测边界曲面是一种基本的方法,传统上采用全局梯度阈值。
In the 3D biomedical image processing and analysis, boundary surface of the interested objects is a very important feature. 在对三维生物医学图像的处理和分析中,感兴趣目标的边缘曲面是一个很重要的特征,通过抽取边缘曲面,我们可以对目标物体进行识别、定量测量和分析等操作。