substructure vibration 中文意思是什麼

substructure vibration 解釋
下層結構振動
  • substructure : n. 1. 【建築】下部結構,下層建築,基礎工程,地下建築。2. 基礎,根基,根底。adj. -tural
  • vibration : n. 1. 振動,顫動;擺動;【物理學】振動。2. (心的)震顫。3. (思想情緒的)激動。4. 猶豫。adj. -al
  1. Strength and environment, a professional chinese publication in 1980, carried special introductions to this model shrinking method, which, after 1984, was included in the structure vibration and dynamic substructure analysis method, a textbook compiled by shanghai ' s fudan university

    這種模型減縮方法也早在1980年出版的中國專業刊物《強度與環境》上有過專門介紹, 1984年後被編進了復旦大學《結構振動與動態子結構分析方法》教科書中。
  2. Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ

    本文結合巖灘水電站廠房振動的試驗研究,採用非定常湍流數值分析的大渦模擬方法進行混流機組水力振動振源模擬;提出一種水電站廠房下部結構簡諧振動模型,首次進行了發電機層樓板結構的精確模態分析和水力激振荷載下的動力響應分析,各項計算結果與實測數據吻合良好。
  3. In chapter 4, the model - building principle and calculating method of finite element dynamic analysis for large - sized assembled structure are discussed. the substructure model for hydropower house vibration analysis is established to obtain precise modal of generator floor. the harmonic vibration assumption is adopted to calculate house structure ' s dynamic response from hydraulic excitation force of hydraulic turbine generator unit

    第四章討論了大型組合結構有限元動力分析的建模原則和計算方法,建立水電站廠房振動分析的下部結構模型,對巖灘廠房進行整體模態分析,較準確地得出發電機層樓板自振特性;同時引進簡諧振動假定,迸行了機組水力振動作用下的廠房結構的動力響應分析。
  4. By means of new product fragility analyzing theory based on dynamic substructure, finite element, modal synthesis and vibration modal congruence theories, and computer programming method, and beginning from radio mathematic model, the computer aided radio fragility test was design and carried out

    摘要利用基於動態子結構、有限元和模態分析的新產品脆值分析理論,以及計算機編程方法,從分析收音機數學模型入手,設計並進行收音機計算機輔助脆值試驗。
  5. Regarding the suspension system as a substructure ( subsystem ) appended on the car body, and considering the vibration transfer effect of the suspension system for the displacement excitation induced by unevenness of road surface, an explicit formula about the quantitative relationship between the sound pressure of low frequency interior noise and some of the suspension characteristic parameters of a vehicle, i. e., the stiffness, the damping, the under suspension mass of suspension system, and the radial stiffness, the radial damping of tire, is deduced based on the dynamic substructure modification method for structure - acoustic coupling analysis of an automobile ' s passenger compartment

    摘要基於車身乘坐室聲振耦合的動態子結構修改方法,將汽車懸架系統視為附加於車身上的子結構(子系統) ,並結合懸架系統對路面不平度位移激勵的振動傳遞效應,揭示出車內低頻噪聲的聲壓值與懸架系統剛度、阻尼、非懸掛質量以及輪胎徑向剛度、徑向阻尼間的直接定量關系。
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