The natural vibration problem of the rod can be treated by discretion as a natural vibration problem of a spring-mass system, using finite element method or finite difference method.
杆件的固有振动问题，可用有限元方法或差分法离散化为一个弹簧-质点串联系统的固有振动问题。
If these conditions are satisfied, the simply connected spring-mass system may be constructed uniquely. An algorithm is used to construct the physical realizable system from the data.
如果这些条件得到满足，则可惟一地构造简单连接弹簧-质点系统，并给出了构造真实物理系统的一个算法。
Helical spring mass system (HSMS) is widely used in almost all of mechanical and electrical products due to its structure feature and elastic buffer ability.
螺旋弹簧质量系统由于其结构特点及其缓冲作用在几乎所有机电设备和系统中都有广泛的应用。
The equivalent viscous damping ratio and the equivalent natural frequency are obtained by comparing the system with a purely linear, spring-mass-damper system of single freedom.
通过和单自由度线性弹簧-质量-阻尼系统进行比较，得到该带裂缝梁结构的等效自然频率和等效粘滞阻尼比。
The finite element model, computation response of driving force and dynamic characteristic are established by taking double mass spring damping system for example.
以双质量弹簧阻尼系统为例建立有限元模型，计算动力响应以及动态特性。
At last, the designed spring mass system were carried out modal analysis and harmonic analysis, and the analysis results consistent with the theory.
最后对设计的弹簧质量块系统分别进行了模态分析和谐波响应分析，分析结果和理论一致。
The purpose of this paper is to find out an approach of inverse eigenvalue problems of undamped mass-spring system by using an attached lump of known mass.
本文探讨了用附加已知质量的方法求解无阻尼质量弹簧系统的逆特征值问题的可能性。
The purpose of this paper is finding out an approach to solve inverse eigenvalue problems of damped mass-spring system by attaching known masses.
本文探讨了用附加已知质量的方法求解有阻尼质量弹簧系统逆特征值问题的可能性。
The nonlinear spring-mass-dashpot system was used as the research object. The relation between system health monitoring data and health index was given through simulation.
以非线性弹簧-阻尼-质量块系统为研究对象，通过仿真计算，给出了系统健康监测数据与系统健康指数的对应关系。
The model of a kind of wave energy device moored on seabed is simplified into a spring-mass-damping system, and then its motion equation is built according to Newton's second law.
将造波水槽内二维浮体牵引弹簧回复液压缸的受力系统简化为弹簧—质量—阻尼器系统，建立数学模型，并根据牛顿第二定律得到运动方程式。
This paper derives the precise solution about the inherent frequency of the mass-spring system when the mass of the harmonic-spring is not negligible.
讨论了在弹簧振子质量不可忽略的条件下，弹簧振子系统振动固有频率的精确解。
The output direct feedback controller design and simulation results of a nonlinear mass-spring-damper mechanical system show that these methods are effective.
通过对一个非线性质量块-弹簧-阻尼器系统输出反馈控制器的设计和计算机仿真，验证了方法的有效性。
The rigid shaft model and flexible shaft model of the drive train based on the spring-mass-damper system are used to analyze the dynamics of the drive train.
采用了弹簧—质量—阻尼系统结构并按照风力机运行机理，建立了风力机传动系统的刚性轴模型和柔性轴模型，并确立了相应的仿真分析方法。
This paper presents a new mathematical model for calculating the coupled torsional-axial vibration with non-linear stiffness for a lumped spring-mass shaft system of internal combustion engine.
本文提出了一种具有非线性刚度的弹簧一质量模型，用于计算内燃机轴系的扭转—纵向耦合振动。
By using CAD software, the influence of mass and spring constant on system natural frequencies and mode shapes is discussed respectively.
本文首先导出了该系统频率和振型的分析表达式，并利用计算机辅助设计软件，分别讨论了质块质量及弹簧常数对系统频率的影响。
Dynamics theory and the "mass-spring-dashpot" system model were used to develop an equilibrium equation. The mass matrix, elasticity matrix and damping matrix were given.
从机械系统动力学理论出发，参照振动系统的“质量弹簧阻尼”模型，分析推导了系统动力学平衡方程，得到了质量矩阵、弹性矩阵及阻尼矩阵的具体表达式。
In a visual environment, the characters of transformative head surface were parametrically drown out and a standard geometrical model of head was established based on the spring mass system.
在虚拟环境中，对人体头部变形曲面提取特征并参数化，建立基于弹簧质点系统的标准几何模型；
The shutter is designed as a mass-spring system that moves in response to acceleration force.
光闸设计为一个质量弹簧系统，对加速度力产生响应。
In the thesis, mass-spring model is used to represent cloth, and explicit Euler method to update system state as time evolves.
文中采用了经典的弹簧。质点模型对织物建模，并通过显式欧拉迭代更新质点状态。
In this model, the tramcar was regarded as two degrees of freedom spring-mass-damper system, and the track was regarded as Bernoulli-Euler beam that locates on continuous and elastic ballast.
模型中，矿车被等效为两自由度弹簧-质量-阻尼系统，铁轨被等效为铺设在连续弹性道床上的伯努利·欧拉梁，矿车与铁轨的振动相互耦合。
The application in nonlinear mass-spring-damper mechanical system shows its efficiency.
在非线性质量-弹簧-阻尼机械系统中的应用，验证了算法的有效性。
The application in nonlinear mass-spring-damper mechanical system shows its efficiency.
在非线性质量-弹簧-阻尼机械系统中的应用，验证了算法的有效性。
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