力学术语

一般力学类：

分析力学analytical mechanics

拉格朗日乘子Lagrange multiplier

拉格朗日[量]Lagrangian

拉格朗日括号Lagrange bracket

循环坐标cyclic coordinate

循环积分cyclic integral

哈密顿[量]Hamiltonian

哈密顿函数Hamiltonian function

正则方程canonical equation

正则摄动canonical perturbation

正则变换canonical transformation

正则变量canonical variable

哈密顿原理Hamilton principle

作用量积分action integral

哈密顿--雅可比方程Hamilton-Jacobi equation 作用--角度变量action-angle variables

阿佩尔方程Appell equation

劳斯方程Routh equation

拉格朗日函数Lagrangian function

诺特定理Noether theorem

泊松括号poisson bracket

边界积分法boundary integral method 并矢dyad

运动稳定性stability of motion

轨道稳定性orbital stability

李雅普诺夫函数Lyapunov function

渐近稳定性asymptotic stability

结构稳定性structural stability

试验机论坛

久期不稳定性secular instability 弗洛凯定理Floquet theorem

倾覆力矩capsizing moment

自由振动free vibration

固有振动natural vibration

暂态transient state

环境振动ambient vibration

反共振anti-resonance

衰减attenuation

库仑阻尼Coulomb damping

同相分量in-phase component

非同相分量out-of -phase component 超调量overshoot

参量[激励]振动 parametric vibration 模糊振动fuzzy vibration

临界转速critical speed of

rotation

阻尼器damper

半峰宽度half-peak width

集总参量系统lumped parameter system 相平面法phase plane method

相轨迹phase trajectory

等倾线法isocline method

跳跃现象jump phenomenon

负阻尼negative damping

达芬方程Duffing equation

希尔方程Hill equation

KBM方法KBM method, Krylov-Bogoliu- bov-Mitropol'skii method

马蒂厄方程Mathieu equation

平均法averaging method

组合音调combination tone

解谐detuning

耗散函数dissipative function

硬激励hard excitation

硬弹簧hard spring, hardening

spring

谐波平衡法harmonic balance method 久期项secular term

自激振动self-excited vibration

分界线separatrix

亚谐波subharmonic

软弹簧soft spring ,softening

spring

软激励soft excitation

邓克利公式Dunkerley formula

瑞利定理Rayleigh theorem

分布参量系统distributed parameter system

优势频率dominant frequency

模态分析modal analysis

固有模态natural mode of vibration 同步synchronization

超谐波ultraharmonic

范德波尔方程van der pol equation 频谱frequency spectrum

基频fundamental frequency

WKB方法WKB method, Wentzel- Kramers-Brillouin method

缓冲器buffer

风激振动aeolian vibration

嗡鸣buzz

倒谱cepstrum

颤动chatter

蛇行hunting

阻抗匹配impedance matching

机械导纳mechanical admittance 机械效率mechanical efficiency 机械阻抗mechanical impedance 随机振动stochastic vibration, random vibration

隔振vibration isolation

减振vibration reduction

应力过冲stress overshoot

喘振surge

摆振shimmy

起伏运动phugoid motion

起伏振荡phugoid oscillation 驰振galloping