Through research on the nature of a certain closed subinterval on convex function,this paper draws a theorem about the discrimination of convex function.
本文通过对凸函数上任一闭子区间性质的研究,得出一个关于凸函数的判别的一个定理。
Simultaneously considering the uncertainty of physical parameters of structural materials, geometric dimensions of truss structures and considering uncertainty of applied load, an interval factor method to deal with uncertainty variable is proposed, where an interval variable can be described as its interval main value multiplied by its interval factor.
在桁架结构的物理参数、几何尺寸和荷载幅值均为区间变量时,从结构响应的Duhamel积分式出发,利用区间因子法、区间运算和振型叠加法导出了结构动力响应区间变量的表达式。
Considering the interval variation of physical parameters of structural materials, geometric dimensions of active bars and passive bars simultaneously, the structural stiffness matrix and mass matrix are constructed using interval factor method.
研究了具有区间参数压电智能桁架结构的动力特性分析问题,在压电主动杆和被动杆的物理参数和几何尺寸同时为区间变量时,利用区间因子法建立了结构的刚度矩阵和质量矩阵;从结构振动的Rayleigh商表达式出发,利用区间运算推导出结构特征值不确定变量的计算表达式。
When the fuzziness of the interval parameters was represented by the interval-valued membership function,the uncertainty of the interval variables was represented by fuzzy interval factors,and the interval variables were expressed as the product of their mean values and interval factors.
当区间参数在其区间上取值的模糊性由区间值隶属度函数表示时,利用具有模糊性的区间因子表示该区间变量的不确定性,并将该区间变量表示为其均值和区间因子的乘积形式。
By proposing the integral of θ of the recurrence algorithm for subinterval method of displacemen.
提出对位移元子区间法递推格式的θ积分和将广义位移坐标表示为θ积分的和式的无条件稳定构造方法,理论上实现了子区间法无条件稳定的突破。
Although subinterval method possesses clear and concise calculation principle and physical concept,the method remains in conditionally stable stage.
子区间法计算原理和物理概念明确、简洁,但仍处于条件稳定阶段。
This paper analyzes the conditional stability and accuracy analysis of single- and two-step subinterval methods,and discusses the unconditional stable recurrence algorithms.
子区间法在研究结构动力响应中优势明显,但尚需解决稳定性和精度等问题。
ObjectiveTo determine the feasibility of carbonated hydroxyapatite (CHA) cement injected into the intertrochanteric region of cadaveric femur and its effect on the mechanical properties.
制作骨质疏松动物模型,于疏松股骨转子间区注射入CHA水泥,研究水泥在骨质疏松性骨质内的降解和成骨情况,以及注射CHA水泥导致机体产生不良反应的可能性。
And a structural analysis method based on the interval factor method with faith degree constraint was given.
构建了物理参数、几何参数和载荷同时具有不确定性的桁架结构有限元分析模型,提出了基于可信度约束的区间因子法的结构分析方法;定义了具有可信度约束的区间运算规则;利用区间因子的数学表述,推导出结构位移响应和单元应力响应的计算表达式。
By using interval factor method, the structural physical parameters and geometric dimensions can all be expressed as the products of two parts corresponding to the interval factors and the deterministic value.
利用区间因子法,桁架结构材料物理参数、几何尺寸和外荷载均可表达为其区间因子和其确定性量的乘积,进而结构的位移和应力响应也可表达成区间因子们的函数。
A subrange in quantization.
一种量化时所使用的子区间。
The width of each subinterval goes to zero.
每个子区间的宽度趋于零。
The intervals of a set or group used to quantize a function.
用来量化某种函数的一个集合或组的子区间。
L-Interval Valued Fuzzy Filter Space and Its Category L-IVF;
L-区间值模糊滤子空间及其范畴L-IVF
Research on Interval Factor Method of Structural Static/Dynamic Analysis with Interval Parameters;
区间参数结构静动力分析的区间因子法研究
Interval Number Density Middle Operator in Uncertain Multiple Attribute Decision Making;
区间数密度中间算子在多属性决策中的应用
An Analysis on Location Factors Effecting the Spatial Distribution of Xianyang Urban Datum Land Price;
咸阳市城区基准地价空间分布与区位因子分析
GENERALIZATION OF K. BALAZS’ OPERATOR ON THE INFINITE INTERVAL;
无穷区间上的K .Balazs算子的推广(英文)
Effects of Electron Temperature Distribution on Base Transit Time of SiGe HBT
电子温度对SiGe HBT基区渡越时间的影响
Factor Analysis for Interval-valued Symbolic Data and Its Application
区间型符号数据的因子分析及其应用
Numerical area of DFIG stator PQ outputs
双馈发电机定子PQ输出数值区间研究
intercistronic regio
顺反子间区[多顺反子转录单位中一个基因的终止密码子与下一个基因的起始密码子之间区域]
Floor biotechnological workshop, electronics, microelec-tronics dustproof rooms, electronic components production area, semiconductor room, SMT workshop etc.
生物工程车间、子微电子车间、尘净化室、子组件生产区、导体车间SMT、定车间等。
Topology Optimization Design of Random-Interval Model Based on Interval Factor Method
基于区间因子法的随机-区间模型的拓扑优化设计
What time zone do the times in my alert e-mails reflect?
我的提醒电子邮件中的时间使用的是什么时区?
During the war hundreds of thousands of children were evacuated from the industrial to rural areas.
战争期间成千上万的孩子从工业区疏散到乡村。
The difference between the various oils is in the number of atoms of carbon and hydrogen.
各种油之间的区别在于碳和氢原子的数目。
A DTC Scheme of Twelve-Section Stator Flux Linkage for PMSM
永磁同步电机定子磁链十二区间直接转矩控制
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