瞬時動載荷 的英文怎麼說

中文拼音 [shùnshídòngzǎi]
瞬時動載荷 英文
transient dynamic 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. 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,基於力winkler模型( bdwf )對粘彈性地基中有限長樁的水平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。
  2. 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軟體建立了傳比為1 / 50的漸開線圓柱蝸桿傳的實體幾何模型,在此基礎上應用接觸有限元方法對該傳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
  3. 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所有可能的吃水;然後建立和求解船舶大幅度運方程,在實際計算一方面考慮了運模態之間的耦合,另一方面在計算水,考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水力系數隨吃水變化,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方程,並進行了計算。
  4. 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力穩定性問題,用hamilton原理建立非線性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。
  5. 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

    在瀑布溝大橋的力分析中,模擬分析了當移以不同速度通過橋面間歷程力響應以及在沖擊作用下橋跨結構的間歷程力響應,並對橋跨結構在移和沖擊作用下的力放大系數作了較為詳細的分析。
  6. 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,分析轉輪葉片的應力特性。
  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. 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
  10. 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力學程分析。
  11. The biggest displacement of the instantaneous response is much bigger than that of the static one

    初始靜力效應使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。
  12. 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力響應作為結構設計依據,其結果趨于安全。
  13. 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脈風功率譜,利用matlab模擬脈風的風速程曲線和風程曲線,並考慮脈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風壓作用下的力學分析,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。
  14. 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力學分析引入爆破力計算中,定量分析研究了在切口形成的爆破振下,整體結構受力過程及應力分佈規律。
  15. 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,作用在地面產生振問題。
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