第一振型的英文

• first vibration mode

• "第一"英文翻译    first; primary; foremost; fi ...
• "振"英文翻译    shake; flap; wield
• "型"英文翻译    mould; model
• "振型" 英文翻译 :    form of vibration; mode of vibration; mode shape; oscillation mode; vibration mode
• "单一振动" 英文翻译 :    single vibration
• "复振型" 英文翻译 :    complex modal shape
• "横振型" 英文翻译 :    transverse mode of vibration
• "谐振型" 英文翻译 :    mode of resonance
• "主振型" 英文翻译 :    dominant mode of vibration
• "精神为之一振" 英文翻译 :    sucking and refreshing
• "第二振型" 英文翻译 :    second vibration mode
• "对称振型" 英文翻译 :    symmetric type of vibration
• "非耦合振型" 英文翻译 :    undampted natural frequency
• "共振型变态" 英文翻译 :    resonance-type anomaly
• "固有振型" 英文翻译 :    natural mode of vibration; natural mode shape; normal vibration mode
• "基本振型" 英文翻译 :    basic vibration mode
• "模态振型" 英文翻译 :    modal shape
• "挠曲主振型" 英文翻译 :    flexural principl mode
• "偏移振型" 英文翻译 :    vibration deflection mode
• "振型；振动模态" 英文翻译 :    mode of vibration
• "振型分解法" 英文翻译 :    modal analysis method; mode analysis method
• "振型幅值" 英文翻译 :    mode amplitude
• "振型节点" 英文翻译 :    node of vibration mode
• "振型矩阵" 英文翻译 :    matrix of modal shape
• "振型平衡" 英文翻译 :    modal balancing

• Three kinds of control algorithms were used in this numerical simulation : the symbol control law , the first mode control law and the main mode control law
  Kobori提出的符号控制律和在符号控制律的基础上引申出的振型控制律(包括第一振型控制律和主振型控制律)对半主动控制装置进行实时控制。
• The level first frequency variety regularity following the pre - stressing cable value is achieved through white noise sweep checking . the conclusion that model is in elastic work stage is achieved
  对结构模型进行了振动台试验,采用白噪声对结构模型进行扫频分析,得出结构水平第一振型对应频率随拉索预应力值的变化规律。
• However , it is found that the second or the third order mode shape rather than the first order , are responsible for the seismic responses on free surface under many case in this paper
  然而采用等效非线性化直接分析士层地震反应的实例计算结果表明在很多情况下，对场地地震反应起主要作用的不是第一振型而是第二、三阶振型。
• When the structural seismic responses of suspension - mass pendulums were analyzed with response spectrum method , the vibration modal numbers considered were to be structural first vibration modal and previous vibration modals of structural vibration as well
  用反应谱法对悬吊结构进行地震反应分析时，所考虑的振型数应为结构的第一振型和相应于结构振动的前几个振型。
• And simulation analyses were carried out to examine the influence of the parameters of the controlled structures and the controllers on the control effectiveness of the system . the simulation results show that the different control laws ca n bring on the different control effectiveness
  在隔震体系中，第一振型控制律和主振型控制律所产生的减振效果是相同的，因为隔震体系的第一振型就是主振型。
• This thesis will present a new simple method to calculate the seismic response of the framed structures . this method calculates the effect of the first and second modal vibration . the first modal shear force of every floor distributes according to the shape which is close to the first modal shape
  本论文提出了一种新的计算框架结构地震作用效应的简化方法，考虑前两个振型的作用，对于第一振型的各层剪力，按照近似于基本振型的形状分布，第二振型各层剪力引用廖河山提出的方法计算，然后用将两个振型的剪力“平方和开平方”的方法，计算得到各层剪力(总效应) 。
• From this paper ' s study , it had been identified that the pushover analysis method was reliable in scope below : ( a ) low - middle rise , regular , the first model deformable structures , ( b ) short - period structures , ( c ) middle - rise non - symmetric frame structures , ( d ) middle - rise vertical - irregular frame structures , ( e ) middle - rise base - isolated structures , etc . it had also been identified that the time history analysis method could be replaced by the pushover analysis method when the pushover analysis method was reliable
  通过本文的研究，证明了pushover法在如下结构中的应用具有足够的准确性：中低层、规则、以第一振型为主要变形特征的结构，短周期结构，多层不对称框架结构，多层竖向不规则框架结构，多层基础隔震结构。同时证明了在pushover法的适用范围内，可以应用简单的pushover法代替复杂的非线性动力时程分析法对结构进行抗震性能评估。
• Analyzing predominate period of ground motion . using the standard design response spectrum in code for seismic design of buildings , one can estimate the seismic response according the site classification . this approach only uses to estimate the effect of the first order mode
  一般建筑结构按现行《建筑抗震设计规范》中规定的场地类别套用规范标准设计反应谱确定设计地震动反应谱，这一方法只能初略地考虑场地第一振型的影响效应(严格地讲，基底开放性土体不存ws在振型效应） 。