在计算高层钢结构地震剪力时,周期应乘以0.9折减系数以考虑非结构构件对刚度的影响。
In calculating the seismic force of high-rise steel structures, the periods should be multiplied by a reduction factor (0.9) to account for the stiffness due to non-structural elements.
分析了升力矩系数和扭转刚度的非线性特性对于稳定条件、失稳点以及失稳机理的影响。
The effect of nonlinearity of pitch moment coefficient and module of rigidity of torsion on conditions of stability, instability points and instability mechanism is analyzed.
对两种不同控制律下变刚度半主动控制结构的地震影响系数进行了比较和分析。
Seismic influence coefficients of structures with active variable stiffness (AVS) systems, corresponding to two different control laws, are compared and analyzed.
最后,分析了线性和非线性刚度系数对颤振响应拓扑结构的影响。
Finally, the influences of the linear and non-linear stiffness coefficients on the topological structure of flutter responses were analyzed.
研究了系统刚度、粘性阻尼系数尤其是变质量等参数对系统固有频率和阻尼比的影响。
The effect of stiffness constant, viscosity damper coefficient and variable mass on the damped frequency and the relative damping ratio of the system were studied.
本文采用力学中的影响系数法计算主轴部件的静刚度。
In this paper the method of influence coefficient in mechanics is used to calculate the static rigidity of spindle parts.
在处理颗粒场时考虑到颗粒直径、比重、材料的刚度、摩擦系数等对颗粒运动的影响。
During the treatment of a particle field the effect of particle diameter, specific weight, rigidity of material and friction factor, etc on particle movement has been taken into account.
由于齿轮副啮合刚度的影响,动力学方程序代表了一个具有时变系数的线性动力系统。
Because of the meshing stiffness of a gear pair, the governing equation denotes a linear dynamic system with periodic time-varying coefficient.
平面微型弹簧是微机械电子系统(MEMS)中一种常用的弹性元件,其蛄构形状的不同将显著影响其刚度系数。
The planar micro-spring is commonly used in MEMS, the rigidity coefficient of the spring changes with the structural form of the spring.
整体式桥台的等代桩长、桥台纵向抗弯刚度、宽跨比及箱梁肋板间距等,是影响该类桥梁剪滞系数的主要因素。
It is proved that the main affecting factors include: equivalent pile length, bending stiffness of abutment, ratio of width to span, distance of webs, etc.
利用临界流速公式系统地分析和讨论扭转刚度、重力系数和轴向预紧力对管道临界流速的影响特性。
The effect of some parameters of the system on the values of critical flow velocity is discussed according to the analytical expressions derived.
屋面刚度及来流风速对大跨度平屋面的竖向风振响应影响比较大,但对位移风振系数的影响不太明显;
The influences of roof stiffness and wind velocity on wind-induced dynamic response are considerably large, while the influences on wind load factor are slight.
验证了弹性约束对拉索振动的减振效果,讨论了阻尼系数和弹簧刚度对减振效果的影响;
Then the damping effect of elastic restraint is verified and the influence of the damping coefficient and the spring stiffness on the damping effect is discussed.
获得了凸肩接触面初始正压力、接触角度、接触刚度、摩擦系数等多种参数对叶片非线性响应的影响规律。
The influences of many contact parameters such as initial normal force, contact angle, contact stiffness and coefficient of friction were obtained.
以其解析式作为形函数,利用刚度系数的定义,推导了考虑剪滞影响的箱形梁单元刚度矩阵及等效结点力公式。
Stiffness matrix and equivalent nodal force formula, which take into account of the influence of shear lag, are derived subsequently on the basis of the definition of stiffness coefficient.
汽车车速、转向系统扭转刚度和主销后倾角对回正性能的影响较大,而转向系统的粘性摩擦系数对回正性能的影响相对较小。
Returnability is affected mainly by automobile velocity, torsional stiffness of steering system and caster angle and relatively little by viscous friction coefficient of steering system.
研究表明,要降低振动对加工精度的影响,应当适当加大主轴跨距,同时增大轴承支承刚度和系统阻尼系数。
The data indicates that the machining accuracy will be promoted when the span of spindle and the rigidity of bearing or damping coefficient are increased.
笔者对这种螺栓联接进行了受力与变形分析,得到了弹性元件刚度对螺栓相对刚度系数影响的解析式。
And the function equations on effect of stiffness of elastic cell upon relative stiffnesss coefficient of bolt are get.
同时,分析了桩身驰豫时间、桩侧土的等效粘滞阻尼系数、桩底土的单位刚度等因素对应力波的影响。
The study also goes to the influence, upon stress waves, of the piles relaxation time, the equivalent viscous damping coefficient of soil around the pile and the unit rigidity of soil below the pile.
分析了两级齿轮啮合刚度对系统动力学均载的影响,比较了各级齿轮啮合刚度对系统均载系数影响的大小。
The influence of the mesh stiffness of each stage to the dynamic load sharing coefficient has been discussed.
分析了两级齿轮啮合刚度对系统动力学均载的影响,比较了各级齿轮啮合刚度对系统均载系数影响的大小。
The dynamic characteristics of the system has been studied. The influence of the mesh stiffness of each stage to the dynamic load sharing coefficient has been discussed.
初步研究了织物伸出长度、弯曲刚度、剪切刚度对静态悬垂系数的影响。
Furthermore, the relation of fabric drapability and stretching-length, flexual modulus and shearing modulus is also discussed.
分析框架的内力系数和梁的连接刚度系数之间的关系,和影响它们关系的因素。
The relation between the internal force coefficient and connective stiffness coefficient of beam is studied and also the factors that affect the relation.
数值结果显示了饱和土的渗透系数、桩土相对刚度及入射波的频率对桩的动力响应有显著影响。
It was shown that the influences of the permeability, the pile-soil elastic modulus ratio and the frequency of the incident waves on the dynamic response of the soil-pile system were significant.
数值结果显示了饱和土的渗透系数、桩土相对刚度及入射波的频率对桩的动力响应有显著影响。
It was shown that the influences of the permeability, the pile-soil elastic modulus ratio and the frequency of the incident waves on the dynamic response of the soil-pile system were significant.
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