vibration stress 中文意思是什麼
vibration stress
解釋
振動應力-
Third, according to an example, the influence on soil displacement stress etc under harmonic vibration load induced by infiltration coefficient and loads frequency variation is studied numerically in dissertation. finally, the difference of layered saturated soils consolidation between rectangle and harmonic vibration loads is studied in this dissertation
再次，以數值方法研究了簡諧荷載作用下成層飽和地基二維biot固結的一般規律，同時還研究了固結情況受滲透系數，頻率等參數影響的規律。 -
The machine is made from steel. it ' s vibration treated roil to reduce internal stress
本機械為鋼板結構，經振動時效消除內應力。 -
While a 3d assembly model of blade - disc structure was established, a finite element model for calculating the vibration characteristics during blade - disc coupling was set up by taking into consideration of the coupling action of contact stress between blade and disc
摘要在建立了葉片與輪盤三維裝配模型的基礎上，考慮了由於裝配產生的接觸應力與葉片輪盤之間的耦合作用后，建立了葉片輪盤裝配耦合的振動特性計算的有限元模型。 -
In the former, two computing modes of fem are built, aimed at the coupling of variable - profile pylon, curved - axis arch and flexible cable. the software algor feas is used to get the results of dynamic numerical analysis, such as natural vibration frequency, vibration mode, dynamic displacement, dynamic stress, which are compared with the results of shaking table test research to draw to important conclusions. these conclusions provide not only potent basis for the design and construction of nanjing century tower, but also reference for other pylon - cable - arch structures similar to the project
在動態數值分析中，針對世紀塔變截面的塔身，曲線軸線的拱以及柔性拉索相互耦合時清況，建立兩種有限元計算模式，利用有限元軟體algorfeas得到動力數值分析的結果，如：自振頻率、振型、動位移、動應力等等，再和振動臺試驗研究成果作比較，得到一些重要的結論，從而為南京世紀塔工程的設計和施工提供強有力的依據，而且為類以於世紀塔工程的其它塔-索-拱結構的設計也提供一定的參考。 -
Abstract : as the heart of twt ， the structure stability of grided electron gun directly affect pulse output performance of twt ， and the structural reliability under vibration stress are especial - ly important for today ' s manufacturers
摘要：柵控電子槍作為行波管的「心臟」 ，其結構的穩定性直接影響著管的脈沖輸出性能，特別是在振動應力下的結構可靠性更是當今生產單位關注的重點。 -
The main work includes : based on biot ' s dynamic consolidation equations, by the method of integral transform and matrix transfer, two - dimensional consolidation of layered saturated soils is studied. then, the general integral solutions of stress ( including pore pressure ) and displacement ( including fluid flow ) of any point were obtained under harmonic vibration loads according to staunch boundary condition. second, a program to verify the correctness of this dissertation is developed
主要工作有：本文根據biot平面動力固結方程，運用積分變換和矩陣傳遞的方法，研究了成層飽和地基的二維biot固結問題，根據下邊界為不透水基巖的邊界條件，獲得了地基表面作用簡諧振動荷載時，任意點應力（包括孔壓） 、位移（包括流體流量）的一般積分形式解。 -
The influence upon the fatigue stress of longitudinal bracing rods due to the transverse vibration of steel bridges
橫向振動對鋼板梁橋聯結桿件疲勞應力的影響 -
Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating
箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋，分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模；拆裝式和液壓式兩種模板的設計、製作要求和使用方法；綜合考慮、優化混凝土配合比，混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝，蒸汽養護的方法和規定；應力應變雙控制確保預應力施工質量的施工技術；採用重物移運器有效移梁的施工方法；壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法，並可為以後類似施工作借鑒。 -
The criterion of the damage of the eastern slope of open pit of tongshankou mining by blasting vibration can be judged by dynamic stress ratios ( dsr )
銅山口礦露天采場東幫巖體爆破震動破壞情況可使用動態應力比判據來判別； 5 -
The process of stress change near the blasting cut was displayed objectively by the numerical simulation in different solid fea models. moreover, results of numerical analysis in blasting vibration load agree with the practical results, which show that ansys can be helpful to design and optimize the parameters of demolition blasting
數值模擬結果客觀的再現了不同切口參數條件下的實體模型的受力情況，爆破振動荷載的數值分析與實際結果相吻合，也證明了數值模擬方法在高聳建築物爆破拆除中的適用性和科學性。 -
Four stresses levers are achieved through optimizing design under surrounding temperature or vibration stress alone affected
分別在環境溫度或振動應力單獨作用下，各自優化出四個應力水平。 -
Fourthly, through the accelerated life test of electrical connectors under vibration stress and statistical analysis of test data, verified that the reliability statistical model of electrical connectors is correct
第四，通過對電連接器進行振動應力下的加速壽命試驗，並對試驗數據統計分析，驗證了電連接器可靠性統計模型的正確性。 -
In this dissertation, the model y11x - 2221 electrical connector as the object, the failure mechanism and reliability test method and test data statistical analysis method of electrical connectors under vibration stress has been research
本文以y11x ? 2221圓形電連接器為研究對象，分析了電連接器在振動應力作用下的失效機理，對電連接器在振動環境下的可靠性試驗及試驗數據的統計分析進行了研究。 -
It is educed that contact fault was a main mode of failure of electrical connectors, and the two main factors which affect the contact fault are temperature and vibration stress. the failure mechanism of electrical connectors under the two stresses is discussed
經分析，接觸失效是電連接器的主要失效模式，而影響接觸失效的最主要因數是環境溫度和振動應力，對電連接器在兩應力作用下的接觸失效機理進行了探討。 -
Recommended practice for vibration stress relief on welding structure
焊接構件振動時效工藝.參數選擇及技術要求 -
Because of high sharp peak, vibration stress is big, and the maximum stress achieves 550mpa
由於油缸沖擊載荷有比較大的峰值，泵車動應力比較大，最大值達到550mpa 。 -
Fifthly, using uniformly orthogonal design theory to arrange the four - lever temperatures and four - lever vibration stress, catch an excellent accelerated life text plan, which make the estimate value have the well precision in normal stress lever, at the same time that can reduce the sample number and shorten the test time
第五，運用均勻正交設計對環境溫度和振動應力的四個應力水平值進行合理搭配，得到一組較優的加速壽命試驗方案，在減少樣本數量、縮短試驗時間的同時使產品在正常應力水平的壽命估計值具有較高的精度。 -
Thirdly, through analyzing the relation between the temperature and vibration stress and the life of connector, and combining with the theory of probability and statistics, deduce the failure physics equation, and set up a reliability statistical model. laid a foundation for working out electrical connector reliability test plans and treating electrical connectors test data
第三，通過研究環境溫度和振動應力與電連接器接觸壽命之間的影響關系，並結合概率統計理論，推斷出失效物理方程，建立了可靠性統計模型，為電連接器可靠性試驗方案的制定和試驗數據的統計分析奠定了基礎。 -
First, briefly stated the reliability research developing history and current situation at home and abroad, the reliability test method and developing trends, then statistical analysis method and existing problems, and electrical connector reliability research ' s current situation and existing problems, i second, through analyzing the failure mechanism of electrical connector, and combining with the theory of probability and statistics, set up a reliability statistical model of electrical connector affected upon vibration stress, which is the anti - power law - weibull model, laid a foundation for working out electrical connector reliability test plans and treating electrical connector test data
首先，對國內外可靠性研究的發展歷史和現狀，可靠性試驗的方法和發展趨勢，可靠性統計分析方法和存在的問題，以及航天電連接器可靠性研究的現狀和存在的問題進行了回顧和評述。其次，通過對電連接器進行失效機理的研究分析，結合概率統計理論，建立了電連接器在振動應力作用下的可靠性統計模型，即逆冪律?威布爾模型，為電連接器可靠性試驗方案的制定和試驗數據的統計分析奠定了基礎。 -
And combining with the theory of probability and statistics, set up a reliability statistical model of electrical connectors affected on vibration stress, that is reverse power law ? eibull model, laid a foundation for working out electrical connector reliability test plans and treating electrical connectors test data
進一步結合概率統計理論，建立了電連接器在振動應力作用下的可靠性統計模型，即逆冪律?威布爾模型，為電連接器可靠性試驗方案的制定和試驗數據的統計分析奠定了基礎。
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