穩態載荷 的英文怎麼說

中文拼音 [wěntàizǎi]
穩態載荷 英文
steady state loading
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : 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. Because uav is smaller and lighter than normal plane, the miniature aerial rs system is easily effected by wind, its " stabilities of position and stance are not good. because the load of uav is so finite, the large professional aerial photogrammetry camera can not be installed

    微型無人機遙感由於受到無人機平臺體積小、重量輕、任務有限等因素的制約,在飛行作業中傳感器位置和姿受氣流影響大、定性差,而且目前是非專業攝影機成像,這些都大大增加了其影像幾何糾正處理的復雜性。
  2. Finally, attitude stabilization control of the satellite and pointing precision of the payload are researched in the phase of infrared camera tracking object

    第三,在紅外相機跟蹤目標階段,研究了星本體的姿定控制以及有效的指向精度問題。
  3. The tested results showed that the collecting ring could be used for the dynamic stress test successfully and the experimental data would be used for determining load spectrum and analyzing fatigue life of spoke plate

    結果表明,動測試過程定,所設計和製造的集流環完全滿足試驗要求,測試數據可以用於結構譜的編制和疲勞壽命分析。
  4. Fourthly, the solutions for non - axisymmetical dynamic responding of elastic circular plate ( thin and thick plate ) rested on transversely isotropic saturated half - space / layered ground subjected to arbitrary harmonic loading are presented. under the contact conditions, the problem leads to a pair of dual integral equations which describs the mixed boundary - value problem

    首先建立直角坐標系下波動問題的狀方程,經雙重fo吐er變換求解狀方程后得到傳遞矩陣:利用遞矩陣給出直角坐標系下層狀橫觀各向同性飽和地基在任意分佈簡諧作用下動力響應的一般解。
  5. When the transportation load is long - term evenly distributed, the influences of each relevant factor, i. e. pipeline depth, diameter, deformation module of foundation, poisson ratio of soil and tyre pressure of vehicles, toward mises stress and vertical displacement of pipelines are discussed. when the transportation load is movable and invariable, the changing rules of mises stress and vertical displacement during the vehicle ' s movement are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are discussed. when the transportation load is stable and simple harmonic, the changing rules of mises stress and vertical displacement during the time of load function are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are also discussed. in three - dimensional analysis, mises stress and vertical displacement of pipelines under three kinds of transportation loads are calculated, and the analysis and discussion of correlative factors are also made

    當交通為長期均布時,討論了各相關因素,包括管道埋深、管徑、地基變形模量、地基泊松比和車輛輪壓大小分別對管道mises應力和豎向位移的影響;當交通為移動恆時,計算並分析了車輛行駛過程中管道mises應力和豎向位移的變化規律,討論了車速和車輛輪壓對這兩個管道力學性狀的影響;當交通簡諧時,計算並分析了作用時間內管道mises應力和豎向位移的變化規律,討論了車速和車輛輪壓對管道力學性狀的影響。
  6. Then, the effect of force on changing stable equilibrium situation of four - bar compliant mechanisms is discussed. at the same time, multi - stability compliant mechanisms are discussed

    對于用於改變柔性機械位置所施加力的確定進行了詳細的分析,並結合實例對作用過程進行了計算。
  7. In order to analysis the contact problem between elasticity roller and rigid plane, another iterative process is raised. supposing the right contact point has been known, the left contact point has to be found and the distribution of stick zone and slip one have to be determined in each iterative process. the outer load is evaluated according to the solved force distribution in contact zone

    針對彈性滾柱與剛性平面的滾動接觸問題,採用已知接觸區右端點來搜索接觸區左端點以及區內粘連區、滑移區分佈的迭代搜索方法,並根據搜索得到的接觸區內分佈壓力反求出外部
  8. Comparing with passive control, active control is more complicated and it need large amount of energy, although its performance is better than other control me thods in theory. semi - active control is a new control method that its control rely on the structural responses or external disturbances, and its control devices can change working status to adapt the vary loads comparing with passive control. and it does not need the large amount of external energy supply

    與被動控制相比,半主動控制的特點是能隨結構動力反應或外界的變化及時調整控制狀,使控制裝置的減振作用更好地發揮出來,因而其控制效果更顯著;與主動控制相比,半主動控制不需要外部巨大能源的保證,也不存在控制失問題,因而半主動控制已成為結構振動控制新的研究方向。
  9. Studies on the fatigue crack propagation rate ( fcpr ) indicate that load ratio ( r ) has a great effect on the fcpr : the greater load ratio is, the higher the fcpr becomes, and the lower kth shows. compared with load ratio, the thickness of the specimen has a lower effect on the fcpr

    對鎂合金的疲勞裂紋擴展特性的研究表明:比r對鎂合金az91 , am50裂紋擴展行為具有很大的影響。 r值越大,裂紋擴展速率越高,疲勞門檻值k _ ( th )越小;試樣厚度t對鎂合金az91 、 am50裂紋擴展速率的影響沒有r值那麼明顯。
  10. There is a slight drop of the fcpr when the specimen s thickness increases. however, the thickness of the specimen exerts a great influence on kth and fatigue life ( n ) : the thicker specimen is, the higher fatigue life ( n ) becomes, and the greater kth shows. under control of the same conditions, the fcpr of am50 is not so high as that of az91. there are some correlations between load ratio ( r ) and the fatigue surface : when load ratio becomes great, small flat surfaces increase while dimples decrease

    試樣厚度增大,裂紋擴展速率略有減小。但是,試樣厚度影響試樣的疲勞壽命和門檻值:試樣越厚,疲勞壽命越長,門檻值越大;在試樣尺寸和加條件相同的情況下, am50的疲勞裂紋擴展速率較az91小,疲勞壽命則比az91長。比r影響試樣的斷口形貌:比r越大,對應相同k值出的斷口小平面越多,韌窩越少。
  11. On the basis of the steady - state semi - empirical model of the tire and the concepts of the relaxation length and the effective slip ratio, a non - steady semi - empirical model to express the tire longitudinal - slip response to the low - frequency input of the transient vertical load and transient slip ratio was presented

    摘要在半經驗模型的基礎上,根據鬆弛長度和有效滑移率的概念建立了能表達時變垂直及時變滑移率低頻輸入下的輪胎縱滑特性非半經驗模型。
  12. It applies an interval method to select element in the evolutionary structure optimization method ( eso ), and recovers or deletes element by the “ birth and dead ” function of element. another method viewed as second order smoothing technique for suppressing the checkerboard patterns has been proposed based on the filtering function ’ s principle. then the above methods are applied to solve a temperature - controlling problem in the steady heat conducting field and a multi - objective topology optimization problem considering multiple load cases and coupled effect

    本文基於ansysparametricdesignlanguage ( apdl ) ,提出漸進結構法中應用區間法進行單元的篩選,通過單元「生死」的功能實現單元的恢復與刪除,根據濾波函數法原理提出修改的二階棋盤格處理方法,並就熱傳導溫度控制問題,考慮熱、力耦合的多工況的多目標拓撲優化設計問題進行求解。
  13. Meanwhile, numerical computation of aerodynamics is widely applied with the progress of computer, large quantities of relative paper has been presented. but at present, the relative literature about turbulence characteristics of plural vehicles running in row and passing maneuvers is very limited. pointing to the above difficulty, in this paper, numerical computation of turbulent - velocity field is studied while a sedan exceeding a tractor - trailer truck

    本論文在對某國產轎車單車外流場的模擬地面邊界層、車輪轉動和側向風研究基礎上,以及兩輛轎車並列行駛、同向超車的研究的基礎上,選取了兩種笛卡爾網格方案和四面體混合網格方案,開展某國產轎車超過某大型運輸車的數值模擬研究。
  14. In first part of the thesis, by a review of the research on aircraft sonic fatigue, the formulas for calculating natural frequencies of the typical aircraft skin - panel structure with four edges simply - supported or four edges fixed - supported were drawn, the response of displacement and stress was analysed under the condition of random white noise loading with the steady - state or unsteady - state. the procedure how to use data of s - n curve under constant loading for predicating the fatigue life of skin - panel subjected to random loading was shown

    通過對聲疲勞問題研究的回顧,根據典型飛機蒙皮壁板模型,整理了四邊固支,四邊簡支兩種邊界條件下多階模固有頻率,非平及平隨機白噪聲下的位移和應力響應,以及如何從等幅s ? n曲線求得隨機應力下的疲勞壽命。
  15. Since the arc - length method can be used to calculate the critical load in engineering stability analysis, the method is discussed and applied in this thesis. four numerical examples are presented to show the good performance of the proposed numerical procedure

    由於弧長法可以計算出臨界狀值,因此本文在計算中討論了弧長控製法的基本原理及具體實施,並應用於工程定性分析。
  16. Using the displacement functions and the technique of double fourier transform, the governing differential equations for transversely isotropic saturated poroelastic media are easily solved and, the fourier transformed stress and displacement solutions coorespondingly are obtained. then, under the boundary conditions, the analytical solutions for half - space are presented

    藉助位移函數及雙重fourier變換,研究了直角坐標系下橫觀各向同性飽和土的動力響應問題,得到了飽和半空間體在任意分佈的表面諧振作用下響應的一般解。
  17. Under varied loads such as cyclic and / or transient loading, soil structures or foundation will induce permanent and / or fluctuating plastic deformations. such plastic deformations are cumulative and / or alternating in nature with increase of time of loading during a sequence of cyclic loading. if the resulting accumulated deformations is limited within a given bound or the alternating deformations will be adapted to a given plastic state after a certain cycle numbers or a certain period of loading, the soils will be in shakedown state

    在復雜變值作用下,結構有可能出現兩種狀:一種是在若干次循環之後,塑性變形趨于定,在此後繼的循環中結構表現為純彈性響應,這種狀稱為安定狀( shakedown ) ;另一種則是塑性流動一直持續地發展或不斷反復,直至結構破壞,結構的破壞有兩種型式:一種是由塑性應變的累積引起的增量塑性破壞;一種是塑性變形多次反復引起的疲勞破壞,也稱為交變塑性破壞。
  18. Abstract : the slope dynamic stability with elasto - dynamics vibration and wave theory and boundary element method ( bem ) is analyzed and calculated. it raises a criterion for slope dynamic stability. it gives an exmple for calculating the stability of soil slope under the action of earthquake waves emitted from underground and draws the dangerous range in which the slip line lies

    文摘:主要分析邊坡動定性問題,採用地震波作動,用邊界元法對邊坡進行分析,並在計算機上實現.對動定性判據從理論上進行了探討,給出了動力危險線的位置
  19. Base on the kinematics relation of ctp, the corresponding reynolds equation or average reynolds equation, fluid film thickness equation under qusi - stable state in polar coordinates, balance equations of load and moments under full - film contact and partial - film contact states were set up respectively. these model equations were calculated by the finite difference method, and the instantaneous 3 - d distribution of fluid pressure and the slurry film was simulated by the matlab software

    根據ctp的運動關系,分別建立了極坐標下,全膜接觸工況時的非牛頓流體在ctp過程中的一般reynolds方程、流體膜厚方程、平衡方程和轉矩平衡方程,以及部分膜接觸工況下的平均reynolds方程、平均膜厚方程、接觸壓力方程、總平衡方程和總轉矩平衡方程。
  20. Aiming at the nonstationary characteristic of the dynamic loads and the relation between the responses and the frequency response functions, by use of the responses only, some novel theories are conducted to develop force identification and impact location approaches in this dissertation

    本文就動的非平特性對有關前沿理論作了系統研究,著眼于結構響應輸出與頻率響應函數間的關系,建立了一類單獨利用響應數據進行動及其位置識別的新穎理論體系與方法。
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