结构动力学专业英语词汇

accelerometer加速度计amplitude振幅amplitudefunction振幅函数analyticfunction解析函数artificialearthquake人工地震autocorrelation自相关average平均值axialforce轴向力axialforcewave轴力波bandlimitedwhitenoise有限带宽白噪声bandwidthmethod带宽法bardiagram条形图basemoment基底力矩baseshear基底剪力beating拍bilinear双线性blast冲击波bodywave体波boundarycondition边界条件bucklingload屈曲荷载centrallimittheorem中心极限定理chainstructure链式结构changeofvariable更换变量characteristicvalue特征值combinedgeneralizedstiffness联合广义刚度combinedstiffnessmatrix联合刚度矩阵complex-frequency-responsefunction复频率反应函数conditionalprobability条件概率conditionallystable有条件稳定consistantgeometricstiffness一致几何刚度consistantmassmatrix一致质量矩阵consistantnodalload一致节点荷载contourintegration围道积分contribution贡献convolutionintegral卷积公式coordinatetransformation坐标转换core地核correlation相关性correlationcoefficient相关系数coupled耦合的couplingterm耦合项covariance协方差covariancefunctioncovariancematrixcriticaldamping临界阻尼crosscorrelationfunction互相关函数cross-spectraldensityfunction交叉谱密度函数crustalplate地壳板块curvature曲率dampedmode阻尼振型damper阻尼器damping阻尼dampingcoupling阻尼耦合dampinginfluencecoefficient阻尼影响系数dampingmatrixdampingmodulus阻尼模量dampingratiodashpot缓冲器decouplingdegreeoffreedomdesignearthquakedeterministicdiffusionequationdilatationwave伸缩波directiteration正迭代directstiffnessmethod直接刚度法discreteFouriertransform离散傅里叶变换discretization离散化discrete-parametersystem离散参数系统displacementmeter位移计displacementshape位移形式divergentsolution发散解doublependulum双摆driftofstorey层间侧移ductilityfactor延性系数ductilityratio延性比dummyvariable虚变量duration持续时间dynamicload动力荷载dynamicmatrix动力矩阵dynamicstiffness动力刚度earthquakeengineering地震工程earthquakeexcitationfactor地震干扰因子earthquakefocus震源地震烈度earthquakewaves地震波effectiveload等效荷载effectivesheararea有效剪切面积effectivestiffness等效刚度eigenproblem特征问题eigenvalue特征值eigenvalue-economizerprocedure特征值缩减程序elasticrebound弹性回弹energylossmechanism能量耗散机理ensemble总体ensembleaverageenvelope保线epicenter震中equal-probabilitycontour等概率曲线equationofmotion运动方程equivalentviscousdampe等效粘滞阻尼ergodicprocess遍历性过程expectedtime期望时间explicitdampingmatrix显阻尼矩阵explosion爆炸extremevalue极值extremevalueresponse极值反应fastFouriertransform快速傅里叶变换fatigueprediction疲劳预估fault断层fieldmatrix场矩阵filteredwhitenoise过滤白噪声filtertransforfunction过滤转换函数finiteelement有限单元flexibility柔度flexibilityinfluencecoefficient柔度影响系数flexibilitymatrix柔度矩阵forwardreduction正消free-fieldmotion自由场地运动frequencydomain频域frequencyequation频率方程frequencyofoccurrence出现频率gameofchance机会对策generalizedcoordinate广义坐标generalizeddamping广义阻尼generalizedforcingfunction广义力函数generalizedgeometricstiffness广义几何刚度generalizedload广义荷载generalizedmass广义质量generalizedstiffnessgeometricstiffnesscoefficient几何刚度系数geometicstiffnessmatrix几何刚度矩阵global-oordinatesystem整体坐标系half-powermethod半功率法harmonicamplitudefunction调幅函数harmonicloading谐振荷载harmonics谐波hypocenter震源hysteresisloop滞变曲线hysteresisdampingimpulse脉冲impulse-lengthratio冲击长度比impulsiveloadingincidentwave入射波influencevector影响向量informationinitialconditioninputprocessintensityfunction强度函数intensityofearthquake地震烈度interpolationfunction差值函数inverseanalysis反演分析inverseiteration逆迭代isolationeffectiveness隔震效率isometricview等距投影图isoseismalmap等震线图iterationwithshafts带有位移的迭代jointjointprobabilitydensityfunction联合概率密度函数kineticenergy动能left-handeigenvector左特征向量linearaccumulativedamagecriterion线性累积损伤准则lineartransformation线性变换link连杆loadinghistory荷载时程logarithmicdecrement对数衰减率lumpedmass集中质量magnificationfactor放大系数magnitudeofearthquake地震震级mantle地幔marginalprobability边缘概率mass质量masscoefficient质量系数masscoupling质量耦合massinfluencecoefficient质量系数massmatrix质量矩阵massmomentofinertia质量惯距matrixiteration矩阵迭代maxima极大meanextremevalue平均极值meansquareresponse均方反应meansquarevalue均方值meanvalue均值minima极小modeamplitude振型幅值modeofvibration振型modeshape振型形式modesuperposition振型叠加mostprobablevalue最可能值multi－degreeoffreedom多自由度multiplier乘子multivariateprobabilitydensityfunction多元概率密度函数narrow－bandprocess窄频带过程narrow－bandsystem窄频带体系neutralstability随遇平衡nodalpoint节点nondeterministic非数定的nonergodicprocess非遍历性过程nonsingularmatrix非奇异矩阵nonstationayprocess非平稳过程nontrivialsolution非平凡解nonuniformbeam变截面梁normalcoordinate正规坐标normaldistribution正态分布normalizationfactor规格化因子normalize规格化orthogonalityrelationship正交关系orthonormal正交规格化outputprocess输出过程overdampedsystem超阻尼体系overstress超限应力peakresponse峰值反应permanentset残余变形phaseangle相变角pointmatrix点矩阵positivedefinitematrix正定矩阵potentialenergy位能powerspedtrum功率谱powerspectraldensityfunction功率谱密度函数predominantfrequency卓越频率prescribeddynamicloading非随机动荷载principalvariance主方差probabilitydistributionfunction功率谱密度函数probabilityfunction概率函数probableperiod或然周期pseudostatic拟静力pseudo－velocity拟速度purifiedvector净化向量quadraticform二次型radiusofgyration回转半径randomdynamicloading随机动荷载randomprocess随机过程randomvariable随机变量randomvibration随机震动randomwalk随机走动reducedequation约化方程reducedpotentialenergy约化位能reflectedwave反射波reflection反射refractedwave折射波refraction折射residual余量resonance共振response反应responsehistory反应时程responsespectra反应谱responsespectrum反应谱responsespectrumintensity反应谱烈度returnperiod重现期righthandeigenvector右特征向量rootsumsquaremethod平方和的开方的方法rotationalinertia转动惯量rotatorymomentofinertia转动惯量sampledvalue样本值sampledwaveform样本波形samplingpair样本对scatterdiagram散布图secantdamping割线阻尼secantstiffness割线刚度seismicity地震活动seismology地震学shapefunction形状函数shearbuilding剪切型建筑shearwave剪切波shiftedmatrix被移位矩阵shift移位shockload震动荷载shockspectra震动谱simpledegreeoffreedom单自由度simplehaimonic简谐的simplependulum单摆simplesummation简单求和法simultaneousiteration同时迭代singlerandomvariable单随机变量stabilitymatrix稳定矩阵standarddeviation标准差statevector状态向量staticcondensation静力凝聚staticdisplacementinfluencefunction静力位移影响函数stationaryprocess平稳过程statisticallydependent统计相关statisticallyindependent统计无关steadystateresponse稳态反应stepbystepintegrationprocedure逐步积分法steplength步长steploading单阶荷载stiffness刚度stiffnessdegratingmodel刚度退化模型stiffinfluencecoefficient刚度影响系数stiffnessmatrix刚度矩阵stochasticresponse随机反应stochasti