力学专业词汇

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1、-般力学类:分析力学拉格朗日乘了拉格朗n［量］拉格朗日括号analyticalmechanicsLagrangemultiplierLagrangianLagrangcbracketiccoordinate循环坐标cycl循环积分cyclicintegral哈密顿［量］哈密顿函数正则方程正则摄动正则变换正则变量HamiltonianHamiItonianfunctioncemoniceilcanonicalcanonicalcanonicalequationperturbationtransformationvariablebounda

2、ryintegralmethodstabilityofmotionorbitalstability哈密顿原理Hamiltonprinciple作用量积分actionintegral哈密顿--雅可比方程Hamilton-Jacobiequation作用--角度变量action-anglevariables阿佩尔方程Appellequation劳斯方程Routhequation拉格朗日函数Lagrangianfunction诺特定理Noethertheorem泊松描号poissonbracket边界积分法并矢dyad运动稳定性轨道稳定性李雅

3、普诺夫函数Lyapunovfunction渐近稳定性asymptoticstability结构稳定性structuralstabi1ity科研中国SciEi.com久期不稳定性secularinstability弗洛凯定理Floquettheorem倾覆力矩capsizingmoment自曲振动freevibration固有振动naturalvibration暂态transientstate环境振动ambientvibration反共振anti-resonance衰减attenuation库仑阻尼Coulombdamping同相分量in

4、-phasecomponent非同相分量out-of-phasecomponent超调量overshoot参量［激励］振动parametricvibration模糊振动fuzzyvibration临界转速criticalspeedofrotation阻尼器damper半峰宽度half-peakwidth集总参量系统lumpedparametersystem相平面法phaseplanemethod相轨迹phasetrajectory等倾线法isoclinemethod跳跃现象jumpphenomenon负阻尼negativedamping

5、达芬方程Duffingequation希尔方程HillequationKBM方法KBMmethod,Krylov-Bogoliu-bov-MitropoTskiimethodboundaryintegralmethodstabilityofmotionorbitalstability哈密顿原理Hamiltonprinciple作用量积分actionintegral哈密顿--雅可比方程Hamilton-Jacobiequation作用--角度变量action-anglevariables阿佩尔方程Appellequation劳斯方程Rou

6、thequation拉格朗日函数Lagrangianfunction诺特定理Noethertheorem泊松描号poissonbracket边界积分法并矢dyad运动稳定性轨道稳定性李雅普诺夫函数Lyapunovfunction渐近稳定性asymptoticstability结构稳定性structuralstabi1ity科研中国SciEi.com久期不稳定性secularinstability弗洛凯定理Floquettheorem倾覆力矩capsizingmoment自曲振动freevibration固有振动naturalvibrat

7、ion暂态transientstate环境振动ambientvibration反共振anti-resonance衰减attenuation库仑阻尼Coulombdamping同相分量in-phasecomponent非同相分量out-of-phasecomponent超调量overshoot参量［激励］振动parametricvibration模糊振动fuzzyvibration临界转速criticalspeedofrotation阻尼器damper半峰宽度half-peakwidth集总参量系统lumpedparametersyste

8、m相平面法phaseplanemethod相轨迹phasetrajectory等倾线法isoclinemethod跳跃现象jumpphenomenon负阻尼negativedamping达芬方程Duffin