數值偏心 的英文怎麼說

中文拼音 [shǔzhípiānxīn]
數值偏心 英文
numerical eccentricity
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ形容詞1 (不正; 歪斜) inclined to one side; slanting; leaning 2 (只側重一面) partial; prejudi...
  • 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
  1. 2 the theoretical values of the second virial coefficient are precisely fitted into some simple expressions. according to one of them, a new temperature function for the quadratic terms in cubic equations was derived : the function is simple, general, without acentric factor, truly predictive, theoretically sound, and applicable to all the van der waals - type equations

    2將第二維里系的理論較精確地擬合為幾種簡單的表達式,並據此導出了立方型狀態方程中二次項溫度函的新形式該式簡單、通用,不含因子,具有真正的預測功能和堅實的理論基礎,原則上適用於所有vanderwaals型方程。
  2. Numerical simulation of eccentric annular tube flow

    環狀管流的模擬
  3. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  4. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下,不同流速對熱管空氣預熱器壁面溫度的影響;然後對影響整個流場分佈的各種因素:包括分流板長度、厚度、離中流道位置的離度、飛灰濃度、飛灰粒徑等因素進行模擬;最後提出在分流煙道轉彎處加裝導流板,並模擬加裝導流板后的流場分佈,得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈,以論證加裝導流板能達到流場均勻化的作用。
  5. In order to open the cover of a concentric canister launcher ( ccl ) automatically with the jet during its launching, four schemes are put forward, viz. fracturable cover, eccentrically positioned interior and exterior launching tubes, jet guides of assymmetric construction, and covers made of heterogeneous materials

    摘要為實現導彈自力發射時同發射筒前蓋自動向一側開啟,討論了4種燃氣開蓋方案:易碎蓋方案、內外筒蓋方案、半導流錐方案和各向異性材料發射筒蓋方案,並用方法模擬了各種方案的筒內復雜三維流場。
  6. On the basis of this equation, the general differential equations of coupled bending, torsional and pendular nonlinear vibration about rotor with unbalance character and rubbing character are deduced. the bifurcation and chaos behavior especially the influence on bifurcation and chaos behavior of impact and rubbing fault rotor system

    應用方法研究了碰摩轉子的彎扭擺耦合振動相應的復雜動力學行為,重點研究了轉子轉速、量等系統參對碰摩轉子彎扭擺耦合振動的分岔和混沌行為的影響以及扭轉振動和擺動振動對彎曲振動的影響。
  7. In this paper, the following work has been done : 1 the load - bearing capacity of l, t and + - shaped columns under axial compression and biaxial bending is calculated by a numerical integral program

    本文主要進行了如下工作: 1對l 、 t 、十形柱雙壓作用下正截面承載力進行計算,編制了積分程序,並對l 、 t 、十形柱矩增大系進行計算分析。
  8. Numerical analysis of laminar viscous non - newtonian liquid axial flows in eccentric annuli

    環空中非牛頓流體軸向層流的分析
  9. Based on plane section assumption, this paper presents the methods of calculating the ultimate strength of the columns strengthened with cfrp, and makes a simplification of the methods. a fortran program on nonlinear method is presented to numerically analyze the characteristics of large eccentrically loaded columns strengthened by longitudinal straps of cfrp, calculating results compare well with experimental data

    本文在平截面假定的基礎上分別推導了碳纖維布縱向粘貼大受壓柱的正截面承載力校核和截面加固基本計算公式,並對公式進行了相應的簡化;運用fortran語言編制相應程序對縱向粘貼碳纖維布大壓柱進行了分析,本文公式計算結果和程序計算結果均與試驗結果吻合良好。
  10. The retaining wall reclining on the slight slope built on soft foundation is usually used in protecting the shore of river, the contradiction between the lack of impartiality in stress of the base and the small stress allowed by the foundation as well as the lack of stabilization of the breast wall is a hard nut to crack in the engineering. in the paper, a tenon - base is added under the base of the retaining wall, on the study of the choice of the parameters and formulas used in calculation and the research of theory used in calculation, method used to deal with the load, etc, the writer gives a way to crack the nut mentioned above paragraphs and presents a qualitative and quantitative analysis about them, such as the equivalent inner friction - angle ( d ) and the passive press of the clay ( ep ), etc. in the end of the paper, using modern optimization method, a design of the retaining wall reclining on the slight slope built on soft foundation is done, the result is economical, and accords with the fact

    軟基上的仰斜式擋土墻在水利工程河道護岸中經常遇到,仰斜式擋土墻基底應力較大和軟基土地基容許承載力小的矛盾以及擋土墻抗滑穩定不足是工程中難以解決的難題。本文在對仰斜式擋土墻設計中有關計算參的選擇、公式的選用應該注意的問題進行了研究,對河道護岸軟基礎上的仰斜式擋土墻採用凸榫基礎處理的方法,就其計算理論、設計驗算中各荷載的具體處理方法進行了較為細致的研究,提出了解決軟基礎上的水工仰斜式擋土墻難以解決的難題的方法,並對有水情況下粘土等效內摩擦角_ d 、凸榫被動土壓力e _ p等在計算中的取提出了定性和定量的分析。最後利用現代優化方法對軟基礎上的水工仰斜式擋土墻進行了結構優化設計,得出了符合實際的結果,與其它重力式擋土墻形式進行比較,取得了明顯的經濟效益。
  11. Numerical studies suggest that long scale and slow - changed oscillations in the zonal wind stress rebuild by pop anal ysis make the intention of el nino / la nina events deeply. it also enlarges their range. but, positive and negative anomaly center is toward west than actual conditions

    試驗的結果表明,由pop重建的緯向風應力中緩慢變化的大尺度振蕩成分加深了elnino lanina事件的強度,加大了它們的空間分佈范圍,但正負距平中的位置比觀測風應力模擬的情況西。
  12. To study the resonant characteristics of eccentric circular and concentric circular - elliptical ring microstrip antennas, the method, which is connected with the concentric ring microstrip antenna and based on the perturbation, is employed to calculate resonant wave numbers. comparisons of calculations with reference for the fundamental mode are also presented, agreement is very good for small eccentricity

    為研究圓環及同圓-橢圓環微帶天線的諧振特性,運用了一種以對同圓環微擾為基礎的計算方法,計算的諧振波與參考文獻作了比較,在小率的情況下,一致性很好。
  13. On the basis of selecting such assignment range of gear module and eccentricity that there would be no undercut for shaping the teeth of noncircular gears, dynamically graphic simulation of the shaping process was conducted on the computer by using the mathematical model developed

    在分析范成加工外嚙合非圓齒輪不根切的模率取范圍的基礎上,根據所建模型將加工外嚙合非圓齒輪的范成過程用計算機進行了動態圖形模擬。
  14. The numerical results show that : with the enhancement of er effects, the bearing capacity is obviously increased ; the increase magnitude is larger when small radius clearances and large eccentricity ratios ; at low shear rates, the influence of er effects on the lubrication performance of journal bearings are more obvious

    研究表明:隨著電流變效應的增強,軸承潤滑油膜的承載能力明顯提高;軸承半徑間隙越小,率越大,軸承承載能力增加的幅度也越大;在低剪切速率下,電流變效應對軸承潤滑性能的影響較大。
  15. In this paper, slender columns with the two ends hinged are considered. an iterative computer analysis procedure taking into account the second - order effect of the axial load is proposed to predict this complete load - deformation process

    本文針對兩端鉸接的任意截面鋼-砼組合長柱,考慮長柱在荷載作用下的附加彎矩影響(二階效應) ,提出了一種迭代的計算機方法進行全過程分析。
  16. The characteristic of flow and heat transfer in the annular curved eccentric pipes were studied. the convective heat transfer equation and numerical simulation were based on it

    摘要討論了環形圓截面彎管內的對流換熱特性,並在此基礎上建立了對流換熱方程。同時採用模擬的方法分析了環形圓截面彎管內的流場分佈。
  17. Through careful analyses the author is able to conclude that the primary reason leading to niederkorn & ottino ' s incorrect conclusion is the numerical errors of velocity fields in their calculations and the errors of eccentricity in their experiments

    分析表明,流場計算誤差和實驗距誤差是niederkorn & ottino得出不正確結論的主要原因。
  18. It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used

    ( 2 )建立了具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學微分方程,並應用含高階余項的非線性動力方程的線性化法研究了此類系統響應的復雜動力學行為,利用轉子響應的分岔圖、最大lyapunov指曲線、 poincar截面映射、時域波形、相軌線、軸軌跡、幅譜等圖形分析了系統響應的周期運動、擬周期運動、倍周期分岔、混沌等運動形式的轉化與演變過程,重點研究了非線性剛度、轉子轉速、質量等系統參對碰摩故障轉子系統的分岔和混沌行為的影響。
  19. Finally according to the load - capacity superposition concept, a simplified design equation for determination of the load capacity of circular composite columns with h - shaped and box - shaped structural steel is proposed. through comparison with the accurate computer - based method, it is found that the proposed simplified equation is accurate enough and can meet the requirement of practical applications

    同時基於承載力疊加的概念,提出了配置工字型和箱型結構鋼的圓形截面組合柱在單向和雙向壓荷載下的承載力簡化計算公式,通過與精確的計算機迭代方法的比較發現,當荷載較小時該簡化計算公式具有足夠的準確度,能夠滿足工程應用的要求。
  20. By numerical simulations the author found the eccentricity produces very large effects on the chaotic mixing. when the eccentricity is high, there always exist very large regular zones in time - periodic flows and these regular zones ca n ' t be removed in aperiodic flows. the optimal configuration is that the dimensionless eccentricity is 0. 5

    模擬發現率對混沌混合結構有很大的影響,率很大時,常規區總是存在,而且非周期序列並不能消除這些常規區,分析表明,圓筒內二維時間周期和對稱破壞序列混沌混合最佳的幾何條件是無量綱率在0 . 5附近時。
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