It is useful when a table has a finite set of values for the fragment key ( or partitioning key) and queries on the table have an equality predicate on the fragment key. 如果表格有一定数量的片段键(或者分区键)值,而且在片段键上有同等谓词的表格上查询时,它会很有用处。
The Finite Groups of Odd Order Which Have at Most p Zeros in Every Column of the Character Table 特征标表中每列至多有p个零点的有限奇阶群
Random vibration test simulation for a specimen with vibration-isolating rubber was carried out based on the integrated finite element model of a vibration table, a clamping jig and a specimen. 通过建立振动台、夹具和橡胶隔振试件整体有限元模型,对橡胶隔振试件振动台随机振动试验进行了仿真研究。
Finite Element Analysis and Engineering with Development of Table with Concentrated in the Line of the Plate Load 在集中线荷载作用下板的有限元分析及工程设计用表制定
A comparison between the results from the finite difference analysis and those from the shaking table tests is made to validate the effectiveness of the computational model. 通过与液化场地自由场体系振动台试验结果的对比分析,方法的有效性得到验证。
The nonlinear curves among displacement, flux linkage and current are calculated by the finite element method in advance. The curves are then used for current lookup table calculation with known displacement and flux linkage, which can improve the simulation velocity and accuracy greatly. 位移、磁链和电流之间的非线性关系事先由有限元方法求得,用于仿真计算中已知位移和磁链时电流的查表计算,可大大提高仿真速度和精度。
Seismic response regularities of the structure revealed by the finite element analysis and the shaking table experiment are similar. 通过对带高位大跨转换层建筑结构的有限元理论计算分析,进一步揭示了结构的地震响应规律,与振动台试验结果吻合较好。
The paper used drainage method of ground water and finite element method assessed groundwater resources and forecasted the water table in the future six years. 采用总排泄法和有限元法对研究区地下水资源量进行了评价,并对未来6年地下水水位进行了预测。
A temperature and phase transformation coupling finite element model was established to calculate the temperature field of hot rolled strip cooled on the run-out table along thickness and width direction. 建立了温度与相变耦合有限元模型,对带钢轧后冷却过程中带钢厚度和宽度方向的温度场进行了模拟计算。
Finite Element Method of Contact Deformation and Stress Calculation for the Table Guideway of Vertical Lathes 立式车床工作台导轨的接触变形及应力计算的有限元法
Start from deriving the equation of fluid-solid coupling movement and by means of finite element method, the vibrational resonance response of table board in the air and under water is calculated and the respective resonance frequencies are obtained. 从推导振动台台面流固耦合运动方程出发,通过有限元方法,计算了台面在空气中和水下振动的谐响应并得出各自的共振频率。
The finite element calculation for lower table of 400-TON artificial plate cold press machine finite. Finite sets 四百吨人造板冷压机下工作台的有限元法计算
Finally, the newly-built model is added into a finite element method program. Combining with conditions of large shaking table test, dynamic analysis has been made. 最后,将新建立的模型添加到已有的有限元计算程序中,结合大型振动台试验的条件进行了动力反应计算分析,从理论上对粉土的液化特性有了定性的了解。
A new method for calculating the character table of finite groups is given in this article, by means of which the character table of any finite group arranged according to the irreducible representations can be calculated using a computer. 本文将给出有限群特征标表的一种新的计算方法。利用这种算法,用计算机可以算出任何有限群按既约表示排列的特征标表。
Given a finite group G, a new matrix A for G is called group matrix if its elements are floor vectors and form the group table of G. 给定一个群G,称一个关于G的新矩阵A是群矩阵,如果它的元素都是层向量,并且这些层向量构成G的群表。
An Algorithm to Generate the Finite Field GF ( 2~ m) Vector Table Using m Sequence 一种用m序列产生有限域GF(2~m)上元素矢量表的算法
Application of finite element analysis in structure design of traverse table 有限元分析在移车平台结构设计上的应用
Three dimensional finite element analysis of homogeneous soil pile structure shaking table test is carried out in this paper. General purpose finite element program ANSYS is adopted in the analysis. 本文以结构-地基动力相互作用振动台模型试验为基础,结合通用有限元软件ANSYS,对均匀土-桩基-结构动力相互作用体系进行了三维有限元分析。
Vulnerable parts in tractor cab are found by using stress measurement, vibration tests and finite element approach, and verified by fatigue tests on vibration test table. 本文通过电测应力、振动测试及有限元计算找出驾驶室的薄弱环节,并在振动试验台上进行疲劳试验验证。
The article is introducing the finite element method application on the base of force analysing to the table guideway for vertical lathes. And it can calculate the maximum contacting deformation and maximum contacting stress value and the position introduced by the table guideway through the practical sample. 本文在对立式车床工作台导轨的受力分析的基础上,通过实例介绍了有限元法在计算工作台导轨产生最大接触变形和最大接触应力值及其位置上的应用。
Finite Element Method and Optimization Design for the Outer Ring of Three-axis Sedating Table 三轴仿真转台的外框结构有限元&优化设计
The finite element method is used to analyze the characteristics of the micropositioning workpiece table. 提出了微定位平台静、动态特性的有限元分析方法。
The finite volume method was used to model the varying water table. 采用有限体积差分并对水浸深度不同的网格采取不同的离散措施,保证在地下水面处的连续性。
A new structure of high speed finite impulse response ( FIR) filter based on segment look-up table is presented. 提出了一种基于分段查找表的高速FIR滤波器的实现结构,该结构可应用于任意阶数的高速FIR滤波器设计中。
The finite element method and static condensation technique are used to simulate the responses of a steel frame model under the excitation of the shaking table. 通过运用有限单元法和静力凝聚法,对钢结构模型振动台试验进行了模拟计算,建立了简化分析模型。
Lognitudinal and transversal members of grillage, regarded as cuved-beam element and straight-beam element, are analyzed by finite element method, and the module for grillage static analysis is formed, by using table of information of nodal point restraint to assemble stiffness matrix for structure in restraint. 将梁格纵横构件分别按曲梁和直梁两种单元进行有限元分析,引入结点约束信息表进行约束结构刚度矩阵的组集,形成了曲杆梁格静力分析模块。
The results of the shaking table model test and finite element analysis is compared, and the reasonable of calculation and the reliability of shaking table test is verified. 9. 通过振动台模型试验结果与有限元计算结果的对比分析,验证了计算模型的合理性和振动台试验结果的可靠性。
Formal Design and Implementation is including: designing finite state machine model of the communication protocol of monitor, state transition rules function and state transition table, the communication process of the PLC and host monitoring was designed. 监控通信协议的设计与实现包括:监控通信协议的有限状态机模型设计,状态转移规则函数和状态转移表,在此基础上设计了PLC与上位监控机的通信流程,最后给出了报文数据格式。
In the text, considering the impart of hydro dynamic pressure, the author establishes the finite element model of a pile-pier structure based on the shaking table test. Through the ANSYS analysis, structure damage degree as well as dynamic response of damaged structure can be known. 本文以已进行的桩基桥墩结构的振动台试验为基础,考虑动水压力的影响,建立桩基桥墩结构的有限元模型,通过ANSYS分析得出结构损伤程度和损伤结构在地震作用下的动力响应。