瞬時荷載 的英文怎麼說

中文拼音 [shùnshízǎi]
瞬時荷載 英文
flashy 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...
  • : 荷名詞(蓮) lotus
  • : 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 ...
  1. Based on modal analysis of piezoelectric smart laminated plates, an fem based inverse algorithm of the time history of impact loads by piezoelectric modal respondence is presented

    摘要基於對智能層合板結構的模態分析,提出由結構的壓電模態響應反演間歷程的有限元方法。
  2. The beam - on - dynamic - winkler - foundation ( bdwf ) model was utilized to determine the lateral dynamic response of a pile with finite length in a viscoelastic soil. an analytical solution was obtained in the time domain for the vibration of a pile under a laterally cyclic force applied at the pile head. based on the solution, the transient response of the pile loaded by semi - sine force was acquired with superposition principle

    首先,基於動力winkler模型( bdwf )對粘彈性地基中有限長樁的水平動力響應問題進行求解,得到了單樁在樁頂受水平簡諧作用下的域解析解,並在此基礎上通過疊加原理得到了半正弦激振條件下的態解析解。
  3. 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
  4. 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。
  5. 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。
  6. According to the theory analysis and engineering practice, the application of natural vibration features in bridge inspection is introduced. during the transient dynamic analysis of pubugou cfst arch bridge, the time history responses of the structure under uniform velocity moving load and impact load are analyzed, and the amplification coefficients of deflection and internal forces of the structure are intensively analyzed

    在瀑布溝大橋的態動力分析中,模擬分析了當移動以不同速度通過橋面間歷程動力響應以及在沖擊作用下橋跨結構的間歷程動力響應,並對橋跨結構在移動和沖擊作用下的動力放大系數作了較為詳細的分析。
  7. Short - term transient load

    短期瞬時荷載
  8. 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瞬時荷載的自動識別、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。
  9. ( 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瞬時荷載的自動識別、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。
  10. 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。
  11. In this paper, the wind loading time history of the truss structure is simulated according to the data of wind tunnel experiment and pulsating wind spectrum, and the transient dynamic analysis is used on the fem

    本文依據風洞試驗數據模擬了靜風壓的空間分佈,依據脈動風譜模擬了網架結構的風程,並對有限元模型進行了有限元態動力學程分析。
  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. The effect of initial static load on the instantaneous response makes the amplitude of vibration of horizontal and vertical displacement bigger than that without the effect

    初始靜力效應對結構態響應的影響與剛度、質量、阻尼等因素有關,剛度越小,質量、阻尼越大,初始靜力效應對結構最大位移影響越小。
  17. This paper selects the pulsating wind power density spectrum of davenport and simulates the wind speed time series and the wind load time by matlab. considering the vertical and horizontal correlation of the pulsating wind, the study make use of the time domain analysis of buffeting to carry out the transient dynamic analysis of the whole frame structure which is loaded by the random pulsating wind load. finally, in terms of the whole frame of the pipe belt conveyor, the evaluation for

    選取davenport脈動風功率譜,利用matlab模擬脈動風的風速程曲線和風程曲線,並考慮脈動風的空間豎向和側向相關性,利用抖振域法對整體機架結構進行隨機脈動風壓作用下的態動力學分析,最後再對圓管帶式輸送機整體機架結構對環境風的適應性做出評價。
  18. In quantitatively analysis including process of loading and stress distribution along the body of a chimney, load of blasting vibration induced by the forming of blasting cut was analyzed and the premature rupture of upper chimney was certainly affected by it

    將ansys5 . 7態動力學分析引入爆破動力計算中,定量分析研究了在切口形成的爆破振動下,整體結構受力過程及應力分佈規律。
  19. 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。
  20. 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。
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