The critical damping characteristics of a linear oscillator was analyzed based on energy method and the conclusion obtained is that the linear oscillator at critical damping state can pass the balance site once under specific condition,the force of the oscillator possesses the“critical property”and the energy E(t) curve of the oscillator is the fastest convergent.
从能量出发 ,分析线性振子的临界阻尼特性 ,从而证明 :在特定条件下处于临界阻尼状态的线性振子能越过平衡位置一次 ;振子的势力F临(t)具有“临界性” ;振子的能量E临(t)曲线具有“最快收敛”特性。
After analyzing the damped motion of vibrator, the paper derives additional conditions for critical damping.
分析了振子的阻尼运动,得到了临界阻尼的附加条件,讨论了在一定的实验误差要求范围内,欠阻尼振子比临界阻尼振子更快地回到平衡位置的问题。
This article analyses its irregular attenuated movement in the condition of over damping and critical damping.
分析了振子在过阻尼和临界阻尼情况下的非周期衰变运动 。
At last, the response curves of the lunar lander body with different critical damping ratio under the exciting load of low-frequency sine vibration and random vibration from the ro.
以作者提出的一种四腿桁架式可折叠月球着陆器为模型,采用MSC公司的有限元软件Patran/Nastran对着陆器基体的动力学特性进行了分析,得到了结构模态的影响因素,给出了样机结构的约束模态;给出了不同临界阻尼比下着陆器基体在来自火箭的低频正弦振动和随机振动激励下的响应曲线,发现低频正弦振动激励使得着陆器基体结构在76。
Analysis of the Phenomena Vibrator of Over-damping and Critical Damping;
振子的过阻尼与临界阻尼现象的分析
Blow-up type critical exponent for a nonlinear hyperbolic system with damping;
一类弱阻尼双曲方程组的爆破临界指数
Dimension of the Attractor and Kernel Sections for Damped Wave Equations with Critically Growth Exponent
具有临界增长指数的阻尼波动方程的吸引子和核截面的维数
Calculation of Damper Force with Different Boundary Conditions
不同边界条件磁流变阻尼器阻尼力计算
critical temperature thermistor
临界温度热敏电阻器
By changing these parameters and the Z-directional stiffness of the outer-ring, the stiffness and the damping characteristic of the damper can be varied.
在转子系统支承中引入摩擦阻尼器能够降低支承刚度,从而降低系统的临界转速,避开工作转速。
T he influences of some parameters, such as rail surface irregularity wavelength, track mass, track rigidity and track viscosity, on the critical speed and the tr ack wave propagation are analyzed.
分析了轨面不平顺波长、轨道质量、刚度、阻尼等参数对轨道临界速度及位移波的影响。
Mathematical Model of CTR Resistance-Temperature Characteristic
临界温度热敏电阻阻温特性的数学模型
critical temperature coefficient thermistor
临界温度系数热敏电阻器
DRAG AND LIFT FORCES ON SQUARE ARRAYS OF PILE GROUPS IN SUBCRITICAL FLOW
亚临界流对于方阵群桩的阻力及升力
Effect of corrosion inhibitors on the chloride threshold values of reinforcing steel
钢筋阻锈剂对临界氯离子浓度的影响
Damping Property and Microstructure of the Interface of 16Mn Steel/Zn Composite;
16Mn钢/锌复合材料的阻尼性能与界面微观组织
Spring-damper Boundary in Computational Model of Seismic Response of Construction Structures;
建筑结构地震反应计算模型中弹簧—阻尼器边界
The Approximate Solving Methods of the Helmholtz Equation with Damping Boundary Conditions;
阻尼边界条件的Helmholtz方程的近似求解方法
Free-interface component mode synthesis methods for damped vibration systems
有阻尼振动系统的自由界面子结构综合法
Exponential Stabiliaztion of Thermoelastic Plates with Damping and Dynamical Boundary Condition
具阻尼及动态边界的热弹性板的指数稳定性
Dionysus represents the instincts, totaI Iiberty, no hoIds barred.
狄俄尼索斯代表本能的自由... 无界线,也无阻碍 无阻力
Aim To recover the impedance coefficient from the far field pattern of the scattered wave of the acoustic scattering problem with impedance boundary condition.
目的从阻尼边界条件声波散射问题的散射场的远场模式出发去反演阻尼系数。