面正交性 的英文怎麼說

中文拼音 [miànzhēngjiāoxìng]
面正交性 英文
orthotomy
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ動詞1 (把事物轉移給有關方面) hand over; give up; deliver 2 (到某一時辰或季節) reach (a cert...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  1. And rock triaxial serve testing system is used, through model test involving bedded planes and a set of joint normal to the bedded planes in rock mass, multiple sliding failure affected by properties of joints and confining pressure is analysed, the condition triggering multiple sliding failure and characteristics of failure plane are given, under the co - action of inclination of connective joints ( bedded planes ), interlocking conditions of critical joints and confining pressure

    並在室內利用巖石三軸剛伺服機,通過模型試驗對巖體的層和一組與層的節理的情況進行模擬研究,分析了結構狀和圍壓對復合式滑移破壞的影響,給出了在貫通結構(層)傾角、非貫通結構以及圍壓等因素共同作用下,節理化巖體發生復合式滑移破壞的條件以及破壞特徵。
  2. The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given

    利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的質推導得到了n次1階球諧函數的加法公式;以遞進的方式說明磁矢量位、修磁矢量位與二階矢量位的關系,寫出了引入二階矢量位的過程;以時諧場矢量邊值問題為例,闡明了不同坐標系下電磁場解的相互轉化原理,給出了一個解析解的轉化例子;在球坐標下,引入了較球矢量波函數更普遍的兩類矢量函數,給出了其在球上的關系。
  3. Steel decks, in other words, orthodox isomerism structures, are welded with various transverse and longitudinal reinforcing ribs. this results in the complexity of forces and deformatiort of the pavement layer above the deck

    鋼橋板焊接在各種橫向、縱向加勁肋上,橋板為板結構,決定了其上的鋪裝層受力變形的復雜
  4. A general solution to orthotropic material plane problems

    冪強化材料的平應力應變分析
  5. The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed

    對由前向爆轟產生驅動氣體並具有局部錐形收縮截的軸對稱激波管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部的網格上進行了二維數值模擬。將消除兩種介質界處數值振蕩的新方法成功地推廣到二維情況。分析了該激波管的力學特
  6. Abstract : bridge function and generalized bridge function are all three - valued function, and are made by initial sequence according as copied or shifted ways. they include some familiar orthogonal function of non - sine, such as walsh function. this paper briefly introduced some research advance on this subject, emphasized to introduce the copy theory and generalized copy method. the process of making ( generalized ) bridge function, its property and application, were introduced briefly

    文摘:橋函數和廣義橋函數均為三值函數系,都是將初始序列經復制方式和移位方式變換后而形成的.它們包括了一些常見的非函數,如沃爾什函數和方波函數等.簡要介紹了近10年來北京航空航天大學通信與電子系統博士點在非函數方研究的一些新進展,重點介紹了復制理論和廣義復制方法,橋函數、廣義橋函數的復制生成方法、質及其應用等專題
  7. Based on the fem program on fracture of plane structure developed by professor fu xiaoling of ho hai university, a two demension damage and fracture finite program package which is programed in fortran 90 language is developed. the paper adopts the plane - eight - nodes isoparameters element and compute the developing law of the damage and macro - damage of plane structure under load. considering the original damage and tension and compression damage at the same time, the paper adopts the more reasonable concrete constitute relation of two demension and exponent function model

    在河海大學符曉陵副教授所編制的平結構斷裂有限元程序( dl08p4 )基礎之上,本文用fortran90語言編制的二維損傷-斷裂有限元程序包,程序採用平八結點等參數單元分析計算平結構在外荷載作用下損傷及宏觀裂縫的發展規律,考慮了混凝土結構體內存在著初始損傷和同時存在的拉、壓損傷,並且採用更為合理的具有損傷含義的混凝土二維本構關系(即損傷模型中的本構方程)和指數函數模型建立的並可進行拉、壓損傷可比換算的損傷演變方程,較為真實地反映了實際情況。
  8. The generation of orthogonal - shaft face gear ( fg ), the geometric character of the tooth surface, the flash temperature of the fg and the distributing of tooth surface temperature analyzed by finite element methods are studied in the paper. the software about the flash temperature of the fg is also developed

    本文主要研究了齒輪的齒生成、齒的幾何特齒輪傳動的齒瞬時溫升、齒溫升分佈的有限元分析,並在此基礎上開發了齒輪傳動的溫升計算系統軟體。
  9. This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway

    負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異,因此表現為比普通混凝土更為較高的耐久要求;負溫混凝土首先要避免早期的凍害以及具備長期抗凍能,才能夠滿足工程實際應用的要求,這也是負溫混凝土必須解決的兩大技術關鍵;通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討,採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線,通過試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ;並在此基礎上配製不同等級負溫高能混凝土,開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨等耐久能研究;通過對fd - 1組分和摻量的調整,優化負溫混凝土在施工特、力學指標和耐久三個方的兼容、協調
  10. Investigation of the behavior of a griffith crack at the interface between two dissimilar orthotropic elastic half - planes for the opening crack mode

    位於兩不同各向異半平間張開型界裂紋的能分析
  11. It is especially attractive for the downlinks and suppressing intercell mai. when multiuser detector is adapted in blind mode, it usually adopts eignvalue decomposition or singularvalue decomposition of received sample correlation matrix and tracking alrithgms, which result in high computational complexity. at the same time, approximation computation in tracking alrithgms also result in slow convergence

    為實現盲自適應檢測,通常採用對接收信號樣本矩陣進行特徵值分解( evd )或奇異值分解( svd )后進行跟蹤,由此帶來的子空間秩跟蹤使得實現復雜度很高;另一方,在跟蹤演算法中考慮一些實際情況而作出近似處理,從而引起誤差積累和誤差,導致每次跟蹤開始階段跟蹤速度變慢。
  12. Based on the pull - out tests data between geogrids and expansive soil / sands arranged by the orthogonal table l9 ( 34 ), the following conclusions are reached : 1 ) the displacement - properties of pullout tests depend on the pullout speed. the law of factors " affecting degree, which influences the parameters between geogrids and soils in the pulling - out procedure, is obtained. with the concept of " equivalent pull - out displacement ( x ) " brought forward, the whole process of pull out tests is divided into two process - " main process ( when x 1. 0 ) " and " residual process ( when x 1. 0 ) ", and three stages - static friction resistance stage, slip friction resistance stage, and residual friction resistance stage

    基於設計表l9 ( 3 ~ 4 )分別安排了影響因素與土工格柵膨脹土或砂土界相互作用參數的拉拔試驗數據,獲悉: 1 )拉拔試驗位移特主要取決于影響因素中拉拔速率;通過分析並獲取影響因素對筋土界相互作用參數的影響程度及其在拉拔試驗過程中的變化規律,提出了當量拉拔位移( x )的概念,並據此將拉拔試驗全過程劃分成「主過程( x 1 . 0 ) 」和「殘余過程( x 1 . 0 ) 」 ;且將影響因素對拉拔力或摩擦阻力系數的影響程度分成三階段(靜摩擦阻力階段、滑動摩擦阻力階段,殘余摩擦阻力階段) ; 2 )不同(規范)定義的筋土界摩擦阻力系數數值相差較大,但影響因素對摩擦阻力系數影響程度及其變化規律不會因不同(規范)定義而受到影響。
  13. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先,分析了纖維類鋪層復合靶板在沖擊載荷作用下的損傷破壞機理,結合包含損傷和應變率效應的材料動態本構方程,建立了纖維復合材料板彈道極限速度的預測公式;其次,根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點,建立了陶瓷/復合材料靶板抗彈能分析模型,給出了彈道極限速度預測公式;最後,利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題,對雙層陶瓷復合靶板的優化設計進行了分析,給出了在一定密度下的最佳優化系數,討論了一定彈道極限速度下的密度和厚度隨優化系數的變化關系。
  14. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特的研究成果的基礎上,以旋轉曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截(圓截、橢圓截、環形截、矩形截)旋轉曲線管道內充分發展流動的流動結構和傳熱特(包括耦合對流傳熱特)以及旋轉曲線管道開口段發展流動的流動結構和換熱特進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新成果。
  15. Optimization of preparation of spitch coke derived super activated carbon by orthogonal tersection

    瀝青焦制備高比表積活炭的法研究
  16. So, it is looked forward to being more perfect. in this thesis, beginning with the maxwell equation, we mainly do the following work based on the rigorous mathematical analysis : firstly, we present the rigorous nonorthogonal vectorial cmt for the isotropic waveguide under isotropic disturbances and anisotropic disturbances respectively. during the derivation, it is fully reflected the property of the vector and the universal fitness without any approximation

    本論文從maxwell方程出發,在嚴格的數學分析基礎上主要做了以下兩方的工作:第一,分別嚴格地推導出了各向同光波導在各向同微擾和各向異微擾下的非矢量耦合模理論,在推導過程中,考慮到電磁場的矢量和非且沒有用到任何近似,因此具有普遍適用
  17. Solving the elliptic grid generation together with an algebraic method marching along the normal - to - wall direction, viscous grids around complex geometries are generated. the inner - layer grids with the algebraic method is othogonality and easy to control the distance to the wall. according to the hilgenstock, the source items are calculated to control the othogonality and spacing of grid lines on boundaries

    法向外推方法生成的內層代數網格具有很好的,可隨意控制網格至物距離,確保邊界層內有足夠多且密的網格;外層網格採用hilgenstock方法,根據網格線角度和距離與期望值之間的誤差不斷進行源項修,實現網格對邊界和距離的雙重控制,保證了網格的合理分佈並具有較高的質量。
  18. Fundamental solutions of elastoplastic problems for plane orthotropic materials

    各向異材料彈塑問題的基本解
  19. They have a number of desirable properties not possessed by wavelets of daubechies type, namely : they have symmetry property ; the scaling function and physical space representation are identical ; expansion coefficients are easily computed ; in certain respects they are more accurate ; the functions ( but not their derivatives ) can be computed without solving an eigenproblem. the price to be paid for these advantages is the loss of orthogonality, interpolating wavelets are only biorthogonal

    本文主要的研究成果是把一維的某些結論推廣到高維,分為以下四個方: ( 1 )使用二元拉格朗日插值法構造二元尺度函數和小波函數,使其具有緊支、對稱以及函數展開式的系數易於計算等優點。唯一的缺陷是缺乏
  20. Stability behavior of prestressed single - layer reticulated steel structures

    單層柱異型網殼的非線動力穩定全過程分析
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