結構參數值 的英文怎麼說

中文拼音 [jiēgòushēnshǔzhí]
結構參數值 英文
values of the structural parameters
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • : 參構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
  • 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
  1. The best optimum mathematical model is constituted. scalar factor of structural parameter on loop rectangular negative pressure and adsorption slide is calculated. structural parameter, air gas source pressure carrying capacity and thickness of air cell are made sure by hydrodynamics and the theory of gas lubrication

    詳細論述了導軌副的設計過程,運用學上的拉格朗日條件極求解法,建立最優化學模型,求出環矩形負壓吸附導軌的的比例情況,並運用流體力學和氣體潤滑理論確定了環矩形負壓吸附導軌的、氣源氣壓、承載能力和氣膜厚度的確定性論。
  2. We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response

    其次藉助ansys有限元分析軟體,對系統進行了模態分析和動力學響應分析,獲得了不同天線下的衛星?天線系統的固有特性,簡諧響應的幅頻特性,隨機振動響應的功率譜密度,以及沖擊響應的最大幅和恢復時間等。
  3. Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy

    一般的優化方法,僅僅考慮了對其目標函的影響,而實際情況下有些是變化的,產品的(如幾何尺寸、間隙等) 、物理和力學如阻尼系、傳導系、磨擦系、材料的彈性模量和強度極限等的設計與製造后和使用中的實際會有差異,這種差異稱為設計變量和噪聲因素的變差。
  4. A study about the effect of combustion chamber passage configuration on air plow field is performed in a compression ignition natural gas engine with a separated combustion chamber using multi - dimensional computational fluid dynamics ( cfd ) code

    摘要以分隔室式天然氣發動機為研究對象,利用cfd多維模擬計算軟體,研究了燃燒室通道對壓燃式天然氣發動機缸內氣流運動的影響。
  5. Many researches have been done with the simulation model. it was found that some structure parameters such as the diameter of the driving piston, the diameter of the buffer piston, the stiffness of the valve spring, the compress ratio of the buffer piston, and the flux area of the solenoid valve etc. have great effect on the performance of the haecvvs. for certain performance demand of the variable vale system, there is a most suitable combination for the structure parameters

    通過對電控可變氣門系統的主要,如動力活塞直徑、緩沖活塞直徑、氣門彈簧剛度、緩沖活塞實際壓縮比、電磁閥通流面積等中壓共軌電控柴油機可變氣門系統的研究對電控可變氣門系統啟、閉特性的影響規律的研究發現,動力活塞直徑、氣門彈簧剛度、電磁閥通流面積對電控可變氣門系統啟、閉性能起著決定性的作用,對於一定的氣門啟閉規律要求,這些存在一組最佳
  6. The research result indicated : for the strip primary mirror discussed in this article, the hexagon light - weighted cell has the best structural rigidity quality, the square cell is a little worse, the triangle cell is the worst ; there is an optimum on primary mirror thickness ; on condition of 1g gravity load combining with 4 centigrade uniform temperature rising, the thinner and higher of the flexible support reed, the better of the primary mirror surface figure. the decision of the structural parameters of the flexible support reed must take static rigidity, dynamic rigidity, static strength and dynamic strength of primary mirror assembly into account

    研究果表明:對于本文的長圓形主鏡,採用正六邊形輕量化孔,鏡體剛性品質最好,正方形次之,正三角形最差;主鏡鏡體厚度存在最佳;主鏡組件在1g重力、均勻溫升4共同作用的工況下,主鏡柔性支撐簧片厚度越小、高度越高,主鏡綜合面形誤差( p - v)越小,但同時主鏡組件的剛體位移增大、固有頻率下降,因此柔性支承的確定要綜合考慮主鏡的綜合面形誤差和主鏡組件靜態剛度、動態剛度、靜態強度和動態強度等因素。
  7. Numeric - symbolic technique is introduced in the procedure of resultant elimination, procedure of number - spobol manipulation is transformed into that of matrix manipulation. because joini variables are treated as symbols and all structure paramcters are treated as real nuxnbers, the complexity of derivation for input - output equaion is reduced. the soluton is verified with a numerical example, its rsults withoot extraneous roots agree with the original equaions

    消元過程中引入了字-符號方法,將處理為量,將關節變量處理為符號量,將字、符號推導過程轉化為了矩陣運算過程,由於量的形式出現在方程推導中,降低了符號推導的難度,符號推導不需要復雜的符號處理軟體的支持。
  8. A niched - penalty approach is used to transform this optimal kinematical design problem to an unconstrained one. a kinematic accuracy comparison of the genetic designed fine - tuning stewart platform with the quasi - newtonian designed one is made. the comparison results have shown that the kinematic accuracy of the genetic designed fine - tuning stewart platform has a much higher accuracy and a compact structure than that of the quasi - newtonian designed one, which guarantees the accomplishment of high precision trajectory tracking and reduces the disturbance of wind to the feed - supporting system

    以並聯機器人jacobian矩陣的條件為優化設計的目標函,提出了基於遺傳演算法的並聯機器人最優運動學性能優化設計方法,採用實遺傳演算法,對精調stewart平臺進行了優化設計,得到了最優運動學的精調stewart平臺,為實現新一代大射電望遠鏡饋源指向跟蹤系統高精度軌跡跟蹤控制奠定了堅實的基礎。
  9. 3 ) the influences on the internal forces by some variable parameters such as the ratio of the rise to span and the stiffness ratio are compared. the optimal range of these parameters is pointed out and some advances are also given

    研究探討了矢跨比、拱梁剛度比等對預應力混凝土連續梁拱組合體系橋梁內力的影響,並得出合理的取范圍,為設計人員選取提供考。
  10. The half analytic formula is reasoned out, which is applied to the sensitivity analysis on design parameters. through the sensitivity analysis of design parameters in constructing phase of nanpu bridge, the main design parameters are confirmed. based on this, the real value of parameters are identified by least square method, by this token, the error of design parameters can be eliminated in the process of construction control

    為了減小鋼管混凝土拱橋施工過程中的施工控制誤差,本文推導出了用於設計敏感性分析的半解析公式,並對南浦大橋各施工階段的進行了敏感性分析,從而確定出該橋的主要設計,在此基礎上,利用最小二乘法對這些進行識別,估計出各的真實,以消除施工控制中設計誤差。
  11. In these thesis, on the basis of existing data collected of arch bridges and dynamics, simply introduce the development and application of the analytical method and finite element numerical analysis method of arch bridges. taking the example of pubugou cfst arch bridge, establish 3 - d finite element model of it with software ansys, and analyze its natural vibration. the effects on inherent vibration of the differences of structure parameters, the restriction of the deck and the effects of different arrangements of cross braces are analyzed

    本文在收集有關拱橋及動力學資料的基礎上,分析了拱橋動力學的解析分析法和有限元分析方法的優缺點,同時以瀑布溝大橋為背景,使用ansys軟體建立了空間有限元模型,實施了橋跨的自振特性分析;並分析了考慮到模型簡化過程中部分差異、橋面板的約束狀況不同等因對自振特性果的影響;此外還對橋面上的橫撐布置不同導致對自振特性的影響作了分析。
  12. A0 is bigger when the gasification temperature is higher. as the initial pore structure parameter is affected by the change of pore structure at different pyrolysis temperatures

    應用此模型計算四種煤焦反應活化能、指前因子、孔、 a0等動力學
  13. It is commonly recognized that subsurface drainage system can improve pavement performance and extend service life. as an essential part of subsurface drainage system, the layer setting and characteristics of asphalt treated permeable material directly affect the performance of subsurface drainage system, which is lucubrated in this paper. based on the typical semi - rigid pavement without permeable layer, using multilayer elastic system program, rational pavement structure with permeable layer at different locations is first analyzed

    本文以高等級公路瀝青路面的典型形式作為未設排水層的路面原型,通過不同的設置層位分析對排水層的回彈模量和厚度的要求,探討設置排水層的路面的一些適宜的取范圍,並在此基礎上運用灰色系統關聯分析方法,對不同設置層位的路面的技術指標進行比較分析,得出較優的層位設置方案。
  14. And through leslie matrix analysis, we deduced, except of the subpopulation at altitude 490m, the subpopulations of lilium tsingtauense will not die out if not been disturbed badly. we estimated the growth ability and resistance ability of both metapopulation and local population by use the method of quamitative analysis for population structura1 dynamics. the growth ability order is population l > population 2 > population 3 > population 5 > population 6 > metapopulation > population 4

    川叩iqu n了e )復合種群研究摘要從種群年齡的穩定、衰退、增長概念出發,以種群為依據,運用加權法與條件概率乘法法則,定量椎導出衡量種群年齡及群落的動態指,該方法克服了過去在植物種群動態比較評價中粗放的等級歸類劃分的缺陷,並能解決動態定量比較評價問題,因而認為有普遍使用的價
  15. Author has investigated the air - volume affect the pressure oscillation in piping system from converse viewpoint. when the structure parameters of the air - volume are some certain value, the pressure oscillation in the exit of the piping system is magnified. this idea makes us a new way to design the power source of high pressure water - jet

    研究表明:當設計的空氣室(空氣室的容積,安裝位置等)取某組時,管道出口端的壓力波動幅遠大於系統輸入壓力波動幅,從而為設計高壓脈沖水射流的動力源提供了一條新的思路。
  16. In this paper, the corresponding software is programmed employing the matlab. the structure parameters of the air - volume, and the pressure oscillation at the exit of the pipe can be calculated as soon as the preliminary data have been given this research project is funded from the national natural science foundation of china. ( 598740337 )

    本文研究了空氣室對管道系統壓力脈動的影響,提出了消減或增強壓力脈動的空氣室設計方法,利用matlab編制出相應的計算軟體,只須輸入管道系統的相關據,便可計算出空氣室的和管道出口端處的壓力幅
  17. Then experiment was processed to testify the calculated results. based on the theory of vibration mode, harmonic response and experiment, fea meshing, fea element and bound condition of expansion joint were analyzed. then a parametric fea modeling & post process software was developed by apdl and visual basic langrage

    本文採用有限元分析方法,利用大型商用有限元計算軟體ansys ,研究了基於化設計思想的波紋管膨脹節的振動模態和含波紋管膨脹節管系的振動響應分析方法,開展了波紋管膨脹節模態試驗驗證。
  18. Values of the structural parameters

    結構參數值
  19. By varying the main structure parameter of propeller and multi - parameter optimization calculation, the regularity of flow field and the most suitable parameters are got

    介紹了通用流體力學軟體fluent的使用方法和技巧。改變攪拌槳的主要結構參數值,進行多優化計算。
  20. In this paper, the foundamental principles of fd _ bpm ( finite - difference beam propagation method ) used to simulate and calculate the process of beam propagation is first introduced. then , the theory of boundary condition is carefully presented. based on those theories mentioned above, a new kind of fd _ bpm arithmetic is brought forward. compared with the traditional arithmetic, this one has much more advantages. in virtue of the new arithmetic, author accomplished the whole simulating designs with two kinds of optical splitter ( stright y - junction optical splitter and sine - type optical splitter ), including propagation field simulating, vital parameter calculating, acquired some optimized waveguide parameters , and finished the template by those results at last

    本文主要藉助這種改進的fd _ bpm演算法,對兩種的光分路器(直y型光分路器,上升正弦型光分路器)進行了器件設計的軟體模擬,包括對兩種光分路器傳輸場進行模擬,並對兩種光分路器的重要,如波導寬度,分叉角,縱橫比,損耗進行了模擬計算;得到了一些有價的優化波導結構參數值,根據這些優化設計製作了光刻模板。
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