Through calculations it is found that this method is more applicable than the variable stiffness method.
实际计算表明，这个方法比变刚度法有更大的适用性。
Air springs have characteristics of variable stiffness, and their natural frequency are much lower than leaf springs.
空气弹簧具有变刚度特性，其振动频率要比钢板弹簧低得多。
In the methods of nonlinear analysis, along with the normal variable stiffness methods, the improved BFGS method is used.
非线性分析的方法，除采用一般的变刚度法之外，还采用了改进的BFGS法。
This method is available for beams of both constant stiffness and variable stiffness subjected to any transverse loadings.
这种方法可用于承受任意荷载的等刚度和变刚度梁。
To analyze tall structures with aseismic optimal, we present a mutual affection analysis of tall structures with variable stiffness.
为了对高层建筑结构进行抗震优化分析，提出考虑变刚度的高层建筑结构空间协同分析简化方法。
When the EF damper is fixed on the structure, the structural system is known as the Active Continual Variable Stiffness system (ACVS).
将其安装在结构上组成的结构体系为主动连续变刚度体系(ACVS)。
Using the variable stiffness leaf springs as the control elements, a new type of mechanical self-controlled flow regulator was designed.
实验表明，利用所设计的机械流量调节器可以实现每个篦元上空气流量的自适应调节，达到均化冷却风量分布的目的。
This paper presents a matrix structural analysis of variable stiffness on the complete loading history of prestressed concrete grids with unbonded tendons.
本文采用变刚度的矩阵位移法分析无粘结预应力混凝土网格梁的加载全过程。
Seismic influence coefficients of structures with active variable stiffness (AVS) systems, corresponding to two different control laws, are compared and 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。
Air spring is characteristic of variable stiffness, its natural vibration frequency is much lower than that of leaf spring and will not change with load of vehicle.
空气弹簧具有变刚度特性，其固有振动频率要比钢板弹簧低得多，且不随汽车承载质量的变化而改变。
Numerical simulations have demonstrated that in the vehicle suspension system by choosing appropriate variable stiffness springs, ride comfort can be improved efficiently.
数值仿真研究结果表明，在悬架系统中选用合适的变刚度弹簧能有效改善乘坐舒适性。
The design and transmission calculate of the elastic support variable stiffness apparatus for frequency modulation tune for the structure of the vibration stage is introduce.
介绍了振动台固频调谐的弹性支承变刚度装置结构设计及传动计算。
The geometrical structure of cam bear frames joining to leaf springs of variable stiffness play an important role on the causes which affect elastic characteristics of suspensions.
可变刚度板簧凸轮形支架的几何结构是影响悬架弹性特性的重要环节之一。
The experimental hysteretic graph shows that the control system work well as expected to drive variable stiffness to absorb or release energy for reducing the vibration of structule.
系统滞回曲线说明该系统充分发挥了可变刚度的吸能、释能减振控制作用；
Because the diameter of the steel wire forming the spring by winding is changed along the axial direction of the steel wire, the spring can obtain a variable stiffness characteristic curve.
由于卷绕构成弹簧的钢丝的直径沿钢丝的轴向改变，因此弹簧可以获得变刚度的特性曲线。
In the destination of pedestrian protection, there is space left in bumper. Variable stiffness structure is put forward combining the characteristics of both expanding and compressing tube.
在达到保护行人的目的后，保险杠内部尚有剩余空间，结合薄壁管扩径和压缩两种结构的特点，提出变刚度结构。
The time-variable stiffness is acquired by 3D finite element contact procedure, while the exciting force caused by meshing shock is obtained by 3D dynamic contact finite element mixed formula.
时变刚度曲线用轮齿三维接触有限元方法求得，啮合冲击激励力用轮齿三维冲击-动力接触有限元混合法求得。
On the experiment of Wang Huan-ding, an elastoplastic biaxial hysteretic model for variable stiffness base isolator made of concrete-filled steel tubular short column is proposed in this paper.
在王焕定等人试验的基础上，针对变刚度钢管混凝土短柱隔震装置提出了便于弹塑性时程分析中应用的双向恢复力模型。
Taking the electromagnetic variable stiffness support as the target of study, the supporting system of random variable stiffness was analyzed and the working principle of this system was introduced.
以电磁变刚度支撑为研究对象，分析了随机变刚度支撑系统，介绍了该系统的工作原理。
According to the structure of bumper and variable stiffness tube, the layout plan of the filled structure in the internal bumper is proposed, and the number of the absorption components is determined.
根据汽车保险杠结构及变刚度结构的形式，提出保险杠内部填充结构的布置方案并确定吸能元件的数目。
By introducing a damage variable expressed by the equivalent shear stiffness, a dynamic shearing damage constitutive model of rock is established including three phases.
定义了用等效剪切刚度表示的损伤变量，建立了一个分三阶段表述的岩石动态剪切损伤本构模型。
The stiffness matrix, equivalent nodal load and consistent mass matrix are derived for the beam element with variable cross-section.
导出了变截面梁单元的单元刚度矩阵、单元等效节点荷载和单元一致质量矩阵。
In view of the system nonlinearity, a digital variable gain controller is designed to solve the contradiction between large global motion and high stiffness.
考虑系统非线性，设计了数字变增益环节以调节系统大范围运动与高刚度的矛盾。
In this paper, the elastoplastic incremental finite element method with variable plastic stiffness is used to analyse the surrounding rock stability of underground openings.
本文采用三维弹塑性增量变塑性刚度有限元法计算地下洞室围岩稳定。
In this paper, the stiffness degradation and damage failure in concrete dams subjected to strong ground motion are simulated by plastic-damage model based on damage index variable.
本文以拉压应力损伤因子为内变量，采用混凝土塑性损伤模型，分析了坝体在地震荷载作用下的刚度退化以及在多维应力状态下拉应力引起的损伤破坏。
The mechanical character of large-scale variable-stiffness rotary kiln under multi-supporting system is analyzed, the mechanical model is set up when the axes is bending.
分析了大型多支承变刚度回转窑的力学特征，建立了回转窑轴线弯曲时各托轮受力的力学模型。
The incremental variable plastic stiffness iteration method is employed to solve dynamic equations.
采用增量变塑性刚度迭代法，求解非线性动力方程。
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.
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。
Considering the disadvantages of the system, such as strong nonlinearity, low damping, low stiffness and the change of environment, a variable structure controller is designed in the thesis.
针对系统非线性强、阻尼比低、运行条件变化性大等特点，本文提出一种基于变结构控制理论的控制器。
Considering the disadvantages of the system, such as strong nonlinearity, low damping, low stiffness and the change of environment, a variable structure controller is designed in the thesis.
针对系统非线性强、阻尼比低、运行条件变化性大等特点，本文提出一种基于变结构控制理论的控制器。
应用推荐