振动力学名词中英文对照

1、学习好资料欢迎下载发信人标 题 :发信站: laissez (中正平和 ), 信区 : DeptMech振动力学名词中英文对照: 碧海青天(Tue Dec 12 16:06:09 2000),转信Dirac delta functiondelta 函数acceleration加速度admittance导纳amplification factor动力放大因子amplitude幅值、振幅amplitude-frequency characteristic幅频特性angular frequency圆频率attenuation vibration衰减振动base motion基础运动bending v

2、ibration弯曲振动boundary condition边界条件chaotic vibration混沌振动complementary energy余能complex frequency response function复频响应函数component modal synthesis method模态综合法condition of orthogonality正交性条件conservative system保守系统consistent mass matrix一致（协调）质量阵constraint mode约束模态continuous system连续系统continuum连续体damping

3、coefficient阻尼系数damping ratio阻尼比damping vibration有阻尼振动degree-of-freedom自由度differential equation of motion动力学微分方程direct numerical integration直接积分法discrete system离散系统displacement位移dissipative system耗散系统Duhamel integral杜哈曼积分dynamical matrix动力矩阵dynamical system动力学系统dynamics动力学eigenvalue特征值eigenvector特征向量

4、element单元energy of deformation变形能excitation激励flexibility柔度学习好资料欢迎下载flutter颤振forced vibration强迫振动foundation基础Fourier transformation傅氏变换free vibration自由振动frequency equation频率方程fundamental frequency基频general coordinate广义坐标general solution通解generalized eigenvalue problem广义特征值问题governing equation控制方程impu

5、lse response function脉冲响应函数inertia惯性initial condition初始条件kinetic energy动能logarithmic decrement对数衰减率longitudinal vibration纵向振动lumped mass method集中质量法mass matrix质量矩阵matrix iteration method矩阵迭代法mechanical energy机械能modal matrix振型矩阵mode振型、模态mode function振型函数mode superposition method振型叠加法mode truncation m

6、ethod振型截断法natural frequency固有频率negative damping负刚度node节点normal mode简正振型oscillation振动、振荡period周期phase angle相角phase difference相位差positive definite正定potential energy势能principal mass主质量principal stiffness主刚度principle of superposition迭加原理principle of virtual work虚功原理proportional damping比例阻尼Rayleigh quoti

7、ent瑞利商reduced mass约化质量resonance共振学习好资料欢迎下载response响应restoring force恢复力rotation转动shape function形函数shear vibration剪切振动shift frequency method移轴法simple harmonic excitation简谐激励spring-mass system弹簧 -质量系统stability稳定性steady-state response稳态响应steady-state solution稳态解stiffness matrix刚度矩阵strain energy应变能structural damping结构阻尼subspace iteration method子空间迭代法system系统torsional vibration扭转振动transient solution瞬态解translation平