Secondly, in the elastic kinematics simulation, the tire as a rigid body, without considering tire stiffness, which is a factor of error. 其次,在弹性运动学模拟中,把轮胎视为一个刚性体,没有考虑轮胎刚度,这也是产生误差的一个因素。
The method to match the edge stiffness factor for the magnetic force factor is introduced to reduce distortion. 介绍了折环的劲度系数如何与磁场力因子配合,以达到降低失真的效果。
The results show that the front and back turn stiffness is the most important factor, which makes the head to deviate away from the equilibrium position. 计算结果表明:磁头气体动压正翻刚度是影响磁头稳定的重要因素,它会使磁头越来越偏离平衡位置。
Study on contact stiffness factor selection method in contact non-linear simulation 接触非线性仿真中接触刚度因子选取的方法研究
Meanwhile, the formulas for the brace threshold stiffness and the effective length factor under these conditions are also given. 同时给出了在此种条件下的阈值刚度和柱子的计算长度系数的表达形式。
The vibration attenuation mechanism was expounded. The influence of different damping layer shear modulus and magnetic stiffness on the loss factor of beam for the first mode by MCLD treatment was evaluated. 分析了不同阻尼层设置方式下,磁约束阻尼处理对系统一阶模态损耗因子的影响,阐明了磁约束的减振机理,分析了阻尼层剪切模量和磁刚度对磁约束处理减振效果的影响。
Results show that the stiffness factor and the friction-damping factor of the damper are related to the cone angle and the friction factor of the inner-ring when adopting a proper structure. 结果表明,采用适当的机械结构,阻尼器的刚度因子和摩阻因子只与内环的锥角和接触面摩擦因数有关。
A new way to calculate the stiffness factor of the slope bar in structural mechanics based on the method of instant center in mechanics of theory is presented. 以理论力学瞬心概念为基础,结合结构力学位移法,提出了一种计算斜杆刚度系数的简易方法&瞬心法。
This paper presents a new method, the equivalent dynamic stiffness factor method, in dynamic balancing rotors. 用一种新的方法&等效动刚度系数法对转子的动平衡进行了研究。
It is indicated that apart from stiffness factor of beam to column, the ratio of depth to span and slop of roof greatly affect the stability performance of the portal frame under roof uniform loading. 研究表明,在均布荷载作用下,除了梁柱线刚度比,刚架高跨比及屋顶坡度对刚架的稳定性能影响很大。
The influences of number of piles, the pile length, the space between piles, and the pile-soil relative stiffness factor on the characteristic of pile groups were analyzed in a systematic way. 分析了刚性承台下群桩桩数、桩长、桩间距和桩土模量比等群桩工作特性的影响。
The stiffness factor negatively correlated with SSC and the correlation coefficients were-0.903,-0.922and-0.920 for Dangshan, Shuijing and Xue pears, respectively. 无损硬度系数与梨的可溶性固形物也有较好的负相关性,酥梨、水晶梨、雪梨的相关系数分别为-0.903、-0.922和-0.920。
This paper calculates the residual vibration of rotors and axis with a new method equivalent dynamic stiffness factor. 提出用动刚度系数方法对转子和轴系残余振动进行预测。
The structure and mechanism of the damper fastener is analysed in this paper, and experimental results of its dynamic properties& dynamic stiffness and loss factor are also introduced. 本文对这种新型减振扣件的结构与减振机理进行了分析,并报告了它们的动力特性即动刚度和损耗因子实验情况和数据。
The structural parameters, such as stiffness and damping factor, are identified directly by Reduced Extended Kalman Filter ( REKF) under unknown input in order to locate and assess damages to the structure. 在系统载荷未知的条件下,应用缩减变量卡尔曼滤波(REKF)法估计结构的动态物理参数,并对结构进行损伤诊断。
By solving flexibility and stiffness factor, this paper presents element stiffness matrix of parabolic wedge-shaped beam of rectangular section in plane frame structure. 本文通过求矩形截面抛物线楔形梁的单元柔度系数、刚度系数,提出了平面框架结构中矩形截面抛物线楔形梁的单元刚度矩阵。
Uncut layers in front of drill is called remaining layer, and its distribution of stiffness is the key factor to determine the delamination shapes of the interplies. 将钻头前端未切削的工件材料部分定义为叠合层,指出叠合层的刚度分布情况是决定各个层间分层形状的关键因素。
Formulas for the flow rate, the static eccentricity, the static oil film stiffness and the dynamic magnification factor are given. 文中给出了流量、静态偏心率、静态油膜刚度和动力放大系数的公式。
It is found that the stiffness and damping factor of coatings greatly influence the wave propagation and power flow. 分析结果表明阻尼层的刚度和损耗因子极大地影响圆柱壳中的波传播和功率流。
In this paper, using the load transmission angle to consider the spreading ability of soil foundation, and to calculate the foundation settlement in the effective and limited compressible layer by using the model of stiffness factor and the limited difference method to calculate the foundation beam. 采用荷载传播角来考虑地基土的扩散能力,在有效有限压缩层内计算地基沉降,并用变基床系数的差分迭代法计算基础梁。
In addition, the effect of some system parameters ( rotation speed, eccentricity, nonlinear stiffness ratio, stator stiffness and speed effect factor) on bifuration and chaotic behavior is principally researched. 重点研究了转速、偏心量、非线性刚度比、定子刚度及速度影响因数对转子系统分岔和混沌行为的影响。
The range and mean value of the maximum lateral displacement of wall are proposed. Factors such as stability number, the system stiffness, the factor of safety against basal heave which affect the maximum lateral displacement are studied. 给出了围护结构最大侧移的变化范围及平均值,对其影响因素如稳定数、支撑系统刚度、坑底抗隆起稳定系数进行了定量分析。
Track stiffness is the key factor affecting track structure vibration and the transmission of dynamic characteristic, and it is the important factor influencing wheel/ rail dynamic interaction and train running quality, governing the maintenance workload of the track. 轨道刚度是影响轨道结构振动和动态传递特性的关键因素,也是影响轮轨相互作用和列车运行品质的重要因素,直接决定了轨道的养护维修工作量。
Based on analysis results of 21 finite element model, mathematical model of box girder stiffness damage factor considering the wide span ratio, span ratio and the load factor is presented by statistical regression calculation. 对21个有限元模型的计算结果进行统计回归,提出了考虑主梁宽跨比、边中跨比和荷载因子3个参数的箱梁刚度折减系数数学模型。
The method is based on the current formula of short-term bending stiffness and a stiffness correction factor was introduced, so the method can consider reasonably the influence of stiffness and load distribution generated by the adjacent panels and bearing. 该方法基于目前受弯构件短期刚度的计算公式,通过引入刚度修正系数,合理考虑相邻板带约束及支座约束对双向板刚度和荷载分配的影响。
With the maximum elastic moment of component under rare earthquake and the calculation table mentioned above, stiffness reduction factor could be solved by introducing a modified factor λ. 在该方法中引入刚度折减修正系数λ,通过构件在大震作用下的弹性最大弯矩及前述构件弯矩-曲率曲线计算表,即可得到构件刚度折减系数。
Based on the complex stiffness, the stiffness and damping properties were systematically and theoretically analyzed employing different parameters including equivalent stiffness, loss factor, equivalent damping coefficient and equivalent damping ratio. 基于复刚度,采用等效刚度、损耗系数、等效阻尼系数和等效阻尼比等特性参数对其刚度和阻尼特性进行了系统的理论分析。
Stiffness reduction factor of reinforced concrete arch if calculated on eccentricity formula will be smaller. 钢筋混凝土拱的刚度折减系数,按照钢筋混凝土偏心受压直柱或者曲柱刚度折减系数的相对偏心距公式来计算,计算结果偏小。