瞬時載荷 的英文怎麼說

中文拼音 [shùnshízǎi]
瞬時載荷 英文
impulsive load
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : 荷名詞(蓮) lotus
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. Solid model of the involute worm gearing solid model with drive ratio 1 / 50 is built by using ideas - 5. 0, then the elastic contact analysis is proceeded on the basis of contact fem. the dynamic evolution image of the area of the contact zone, the load sharing among instantaneous meshing tooth pairs, the distribution of the contact force, and tooth stress are obtained. 3

    通過漸開線圓柱蝸桿、蝸輪的齒面方程式,利用ideas - 5 . 0軟體建立了傳動比為1 / 50的漸開線圓柱蝸桿傳動的實體幾何模型,在此基礎上應用接觸有限元方法對該傳動進行了彈性接觸分析,包括接觸區的形狀、位置、嚙合齒對的分配狀況; 3
  2. The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull

    本文的研究分為二個部分:首先利用frank源匯法計算水動力系數,計算包括不同吃水的附加質量和阻尼系數,吃水范圍涵蓋了船舶大幅度運動所有可能的吃水;然後建立和求解船舶大幅度運動方程,在實際計算一方面考慮了運動模態之間的耦合,另一方面在計算水動力,考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力系數隨吃水變化,靜浮力的計算精確到船體濕表面積,最後用四階龍格?庫塔方法在域內求解船舶運動方程,並進行了計算。
  3. First, the dynamic stability of braid composite cylindrical shells with the influences of some main factors is introduced. the general governing equations for the nonlinear dynamic stability is obtained. by the hamilton principle. the creep buckling analysis of braid composite cylindrical shells under axial compression and the dynamic stability under nonconservation force are discussed as emphases. in creep buckling question, by means of theoretical analysis, the instaneous critical load and durable critical load of viscoelastic braid composite cylindrical shell under axial compression are obtained and the numerical example is given

    首先介紹了編織復合材料圓柱殼在幾種主要因素影響下的動力穩定性問題,用hamilton原理建立非線性動力穩定性問題的一般性基本方程。然後重點討論了編織復合材料圓柱殼軸壓下的蠕變屈曲問題及非保守力作用下的屈曲問題。對蠕變屈曲問題,通過理論分析來得到了編織復合材料圓柱殼的彈性臨界和持久臨界,給出了具體的算例。
  4. Refer to the impacting - echo technology, we impacted the apex of the steel bar and incepted the reflecting stress ave through the resonator that fixed on the apex of the steel bar, and the value of the consolidating wave speed was calculated based on the time of stress wave transmitted and the length of the steel bar, so, identifying the reflecting signal is the key of the consolidating wave speed method

    借鑒于沖擊回波技術,固結波速的測定方法是在鋼筋測桿的出露端施加態沖擊,由安設在測桿頂端的傳感器接收反射應力波信號,根據應力波的走和測桿的長度折算固結波速的大小,因此反射信號的識別是固結波速法檢測混凝土強度的技術關鍵。
  5. The transient cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied fitly, then the result of the pressure distribution on runner blade is provided for the runner transient structural simulation by fluid - structure interaction ( fsi ) method

    文中首先對高水頭小負的渦帶工況下混流式水輪機內流場進行非定常cfd計算,得到渦帶工況下葉片表面不同刻的水壓力,並利用流固耦合方法對轉輪進行結構場態特性計算,分析轉輪葉片的動應力特性。
  6. Short - term transient load

    短期
  7. Finally, the intelligent monitoring method is introduced including the instantaneous stress field identification of bracket and the selection of key points, the evaluation and alarm according to key points work state, etc

    其中包括,基於模糊模式識別理論的牛腿的自動識別、牛腿關鍵點的選擇、及關鍵點工作狀態的評估與報警等等問題。
  8. ( 4 ) the intelligent inspect system for roof latticed truss structure in shenzhen citizen center is selected as a practice background, and the intelligent inspect method to the steel bracket of roof truss is researched in present paper, in which includes several tasks as follows : automatic load identification for bracket based on neural network method, prompt calculation for the stress of key points on bracket, and its service status evaluation and stress alarm

    ( 4 )以深圳市市民中心屋頂網架結構的智能監測系統為實際應用背景,詳細介紹了網架結構支撐鋼牛腿的智能化監測方法。其中包括,基於神經網路的牛腿的自動識別、牛腿關鍵點應力的快速正向計算、以及關鍵點工作狀態的評估與報警。
  9. Solution of nonlinear wave loads in regular oblique seas. based on strip method, thinking about nonlinear factors such as no straight shipboard on waterline, the instantaneous variation of wet surface shape and slamming effect of ship bottom, the numerical methods of nonlinear fluid force in large amplitude oblique regular seas are discussed

    關于斜浪規則波中非線性波浪的計算:本文基於切片理論,考慮到船體非直舷、水下剖面形狀的變化以及砰擊等非線性因素,討論了大波幅斜浪規則波中非線性流體力的域計算方法。
  10. Finally, the research on the dynamics loads as well as the effects of the motion of the wheels to the process of arresting gear engaging is conducted

    研究了攔阻索在被機輪壓縮后對攔阻鉤攔套能力的影響,分析了攔阻索間被攔套產生的動
  11. Transient temperature field comes from changes of boundary conditions and the heat which is produced by the concrete chemical reactions with the water during the mass concrete pouring

    由於混凝土澆灌產生的水化熱和澆築過程中熱邊界條件變化而產生態溫度場,這種溫度場對結構施加變溫度
  12. In the 5th chapter, single steel bracket of slts under violent external load is supposed to be invalid, structural response and bearing capacity under dead load at that moment of bracket invalidation is analyzed

    在第五章中,假定在外的作用下,網架結構的單個支撐鋼牛腿出現失效,研究在牛腿失效結構在恆作用下的承能力和工作狀態。
  13. Morever, the author studys the method of incremental dynamic analysis and apply this method to the seismic performance of structures. in the static pushover analysis, basic concepts and different application methods of the static nonlinear pushover analysis are summarized, some key problems of the static nonlinear pushover analysis are improved, that is, the instantaneous adaptive lateral load pattern is gained by the internal force of the structure and the target displacement is obtained by combining the capacity spectrum method with the code response spectrum

    在非線性靜力分析中,綜合闡述了pushover分析的理論基礎和不同的具體應用方法,並在pushover方法的關鍵問題分佈模式和目標位移的確定上提出新的方法,即由結構受力反推得到的的適應性的分佈模式和結合中國抗震規范反應譜的能力譜法確定目標位移的方法。
  14. The biggest displacement of the instantaneous response is much bigger than that of the static one

    初始靜力效應使動力響應的振幅比無初始靜力效應的結構的水平和豎向位移振幅小。
  15. The smaller the stiffness and the bigger the mass and the damp is, the smaller the effect of static load on the maximum displacement is

    建議以較為簡單的無初始靜力效應動力響應作為結構設計依據,其結果趨于安全。
  16. In order to determine thermal loading and working pressure of nozzle inner contour, the gas was regarded as one dimensional isentropic flow, and temperature field of nozzle was computed based on three - dimension finite element model

    將燃氣簡化為一維等熵流以確定噴管內型面所承受的溫度和壓力,基於三維有限元模型,計算了噴管的溫度場。
  17. In order to make clear the influence of two kinds of stress to the total stress, equivalellt thermal stress of lpg vessel under only tempertae load and its equlvalent mechanical stress under only inner wall stress are calculated and analyzed, then its equivalent total stress is calculated, analyzed and compared

    為了弄清這兩種應力分別對總壓力的影響的大小,首先單獨對液化氣壓力容器僅受溫度態當量熱應力以及僅受內壁壓力態當量機械應力進行了計算分析,然後計算了液化氣容器的當量總應力並對其進行了分析比較。
  18. In the static nonlinear pushover analysis, basic concepts and different applicable methods of the static nonlinear pushover analysis are summarized. then the lateral load pattern and the target displacement, which are key problems of the static nonlinear pushover analysis, are improved. the new developed lateral load pattern is the instantaneous adaptive lateral load pattern gained by the internal force of the structure, and the new developed capacity spectrum method combined with the code response spectrum is used to gain the target displacement. at the same time, a pushover analysis of circulating load pattern is developed, and a relevant static nonlinear pushover analytic program is provided. the analytic results of two examples demonstrated that the instantaneous adaptive lateral load pattern is able to reasonably capture the important response attribute and that the pushover analysis of circulating load pattern compared with the pushover analysis of single direction load pattern can more accurately reflect the effect of the earthquake

    在非線性靜力分析( pushover分析)中,綜合闡述了pushover分析的理論基礎和不同的具體應用方法,並在pushover方法的關鍵問題分佈模式和目標位移的確定上提出新的方法,即由結構受力反推得到的的適應性的分佈模式和結合中國抗震規范反應譜的能力譜法確定目標位移的方法,同提出一種新的循環往復加的pushover應用方法,並編制了專門的pushover分析應用程序,應用此程序對不同算例進行分析,算例分析證實由結構受力反推得到的的適應性的分佈模式能夠較好的模擬地震過程中實際的結構受力反應情況,循環往復加的pushover分析方法較單向加的pushover分析更能準確的反映實際的地震作用對結構的影響。
  19. ( 8 ) for the sake of overcoming the shortage of the former work, axisymetrical analytical solutions of vacuum combined surcharge preloading were deduced, the effect of surcharge loading speed was considered and vacuum was regard as instantaneous load, so we can take account of effect of surcharge loading time, well resistance and smear, it is more closed to practical engineering

    ( 8 )根據以前真空-堆聯合預壓解析解的不足之處,推導了真空-堆聯合預壓下地基孔壓及固結度的解析解。本文的解析解將真空視為施加,而將堆的施加考慮為線性施加過程,因此可以考慮堆施加的間影響,與實際工程情況更摘要加接近,並可同考慮井阻、塗抹的影響。
  20. On the other hand, heavy tamping is also a transient impact load that will produce strong ground vibration

    ,從加角度考慮,強夯又是一種沖擊,作用在地面產生振動問題。
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