机械振动常用英语词汇

1机械振动常用英语词汇表Aacceleration加速度accelerometer加速度计algebraic代数的amplitude振幅，幅度，幅值amplitude-frequencycharacteristics幅频特性amplitude-frequencycurve幅频特性曲线amplitudespectrum幅值谱angularvelocity角速度aperiodic非周期的averagevalue均值axis轴，轴线，坐标轴Bbeam梁beating拍boundarycondition边界条件Ccantilever悬臂centrifugal离心的centrifugalforce离心力characteristicdeterminant特征行列式characteristicequation特征方程characteristicmatrix特征矩阵circularfrequency圆频率clamped固支的clamped-hinged固支-铰支的clockwise顺时针的coefficient系数columnmatrix列矩阵conditionmonitoring状态监测converge收敛converged收敛的convolution卷曲，卷积convolutionintegral卷积积分column列coordinate坐标coulombdamping库仑阻尼counterclockwise逆时针的coupling耦合criticalspeed临界转速criticallydamped临界阻尼的Ddamper阻尼器dampedfreevibration有阻尼自由振动dampednaturalfrequency有阻尼固有频率damping阻尼dampingfactor阻尼系数dampingratio阻尼比decay衰减deflection位移，挠度degreeoffreedom自由度denominator分母density密度derivative导数determinant行列式diagonalmatrix对角矩阵differential微分的dimensionless无量纲的discrete离散的disk盘displacement位移dissipate耗散divide除DOF(degreeoffreedom)自由度Duhamel’sIntegral杜哈美积分Dunkerley’smethod邓克利法dynamiccoupling动力耦合dynamicmatrix动力矩阵Eeccentricmass偏心质量eccentricity偏心距effectivemass有效质量effectivevalue，RMSvalue有效值eigenvalue特征值eigenvector特征向量elasticbody弹性体element元素，单元equilibrium平衡equivalentviscousdamping等效粘性阻尼exponential指数的FFastFourierTransform快速傅立叶变换factorize分解因式flexibility柔度flexibilitymatrix柔度矩阵forcedharmonicvibration强迫简谐振动forcedvibration强迫振动Fourierseries傅里叶级数Fouriertransform傅立叶变换freevibration自由振动freeresponse自由响应frequencyratio频率比fundamentalfrequency基频fundamentalfrequencyvibration基频振动fundamentalmode第一阶模态Ggeneralsolution通解generalizedcoordinates广义坐标generalizedforce广义力generalizedmass广义质量generalizedstiffness广义刚度gravitationalforce重力Hharmonic简谐的harmonicforce简谐激振力harmonicmotion简谐运动homogeneous齐次的homogeneousequation齐次方程Hooke’slaw虎克定律Iidentitymatrix单位矩阵impulseexcitation冲击激励impulseresponsefunction冲击响应函数independentcoordinate独立坐标inertiaforce,inertialforce惯性力initialcondition初始条件initialphase初相位integral积分的inversematrix逆矩阵iteration迭代Kkineticenergy动能Llinear线性的logarithm对数logarithmicdecrement对数衰减率longitudinal纵向的lumpedmass集中质量Mmassmatrix质量矩阵matrixiteration矩阵迭代法modalcoordinates模态坐标modaldampingratio模态阻尼比modalmass模态质量modalmatrix模态矩阵，振型矩阵modalstiffness模态刚度modaltesting模态试验modeshape振型（模态）modulusofelasticity弹性模量moment弯矩2multi-degree-of-freedomsystem多自由度系统multiply乘Nnaturalfrequency固有频率naturallogarithm自然对数nondimensional无量纲的normalforce法向力normalization正则化normalmode主振型numerator（分数的）分子Ooff-diagonalelement非对角元素orthogonal正交的orthogonality正交性orthonormalmode正则振型oscillatory振动的，摆动的oscillatorymotion振荡运动overdamped过阻尼的Pparallel并联，平行partialdifferential偏微分particularsolution特解peakvalue峰值pendulum(钟）摆periodic周期的periodicmotion周期运动phase相位phasefrequencycharacteristics相频特性phasefrequencycurve相频特性曲线polarmomentofinertia极转动惯量polynomial多项式potentialenergy势能power幂（乘方），功率premultiply左乘，前乘principalcoordinate主坐标principalfrequency主频率principalmass主质量principalvibration主振动principalstiffness主刚度principleofsuperposition叠加原理product乘积pulseexcitation脉冲激励Qquasi-periodicvibration准周期振动quotient商Rradian弧度randomvibration随机振动Rayleighmethod瑞利法Rayleighquotient瑞利商Rayleigh-RitzMethod瑞利-里兹法realsymmetricmatrix实对称矩阵reciprocal倒数的，倒数recurrenceformula递推公式,循环resolution分辨率resonance共振rigidbody刚体rms均方根rod杆rootmeansquare均方根rootsolving求根rotatingmachine旋转机械rotor转子rotor-supportsystem转子支承系统row行rowmatrix行矩阵Sself-excitedvibration自激振动series串联shaft轴shaftvibration轴振动shear剪力shearmodulusofelasticity剪切弹性模量shockexcitation冲击激励shockisolation振动隔离shockresponse冲击响应SI(InternationalSystemofUnits)国际（单位）制simplysupported简支的singularmatrix奇异矩阵single-DOF单自由度slope转角，斜率spin旋转spring弹簧squareroot平方根statevector状态向量staticcoupling静力耦合staticequilibriumposition静平衡位置steadystate稳态stepfunction阶跃函数stiffness刚度stiffnessinfluencecoefficient刚度影响系数stiffnessmatrix刚度矩阵strain应变stress应力structuraldamping结构阻尼subscript下标successive接连不断的supportmotion支承运动symmetricmatrix对称矩阵Ttangent切线，正切tangential切向的tensile拉力的，张力的tension张力，拉力terminology术语torque扭矩,转矩torsion扭转torsional扭转的torsionalstiffness抗扭刚度torsionalvibration扭转振动TR(transmissibility)传递率,traceofthematrix矩阵的迹transfermatrixmethod传递矩阵法transientresponse瞬态响应transientvibration瞬态振动transmissibility隔振系数transpose转置trial测试，试验triangularmatrix三角矩阵truncationerror截断误差，舍位误差twist扭，转Uunbalance不平衡unbalanceresponse不平衡响应underdamped欠阻尼的unitimpulse单位脉冲unitmatrix单位矩阵unitvector单位向量unsymmetric非对称uppertriangularmatrix上三角阵Vvelocity速度verticalvibration垂直振动vibration振动vibrationabsorber吸振器vibrationisolation隔振viscousdamping粘性阻尼