線性張量 的英文怎麼說

中文拼音 [xiànxìngzhāngliáng]
線性張量 英文
linear tensor
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : Ⅰ動詞1 [書面語] (給弓或樂器上弦) fix (a bowstring); string (a musical instrument) 2 (分開;...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
  1. Under the assumption that the elastic tensor satisfies the strong - ellipticity condition, we reduce the two - dimensional equations of linearly elastic membrane shells to a first order linearly symmetric hyperbolic system

    摘要在彈滿足強橢圓條件的假設下,把2 -維動態膜殼方程組化為一階對稱雙曲組。
  2. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模、極限承載力、極限變形等參; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特及滯回曲、榫卯角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特及滯回曲,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定分析。
  3. By studying the geometry relationship among the corresponding points on three different projective planes based on epipolar geometry, it obtained the trilinear tensor constraining corresponding points of different view

    該方法在極幾何的基礎上,通過研究物體在3個不同透視投影平面上對應點之間的相互關系,得到描述不同圖像上對應點關系的一個三線性張量
  4. About feeding thick material flush ioint machine, usee five connecting rods to be possible to adjust about thickness the compound feeding, to swollens the wseam material and dives moves the natural big especially thick material and the thin material, can enable the lower level in the tailoring process the feeding quantity to achieve consistently ; uses turns on lathe the shuttle greatly, the raduction trades the agent number of times, most major characteristic thickness dual purpose, enhances the working efficiency, uses the completely automatic lubricating arrangement, enhances the machine service life

    0388系列上下送厚料平縫機使用五連桿可調整厚薄上下復合送料,對膨體類縫料和潛移較大特厚料和溥料,在縫紉過程中能使上下層的送料達到一致;採用大旋梭,減少換底次數,最大特點針力小;縫紉厚度能力增大,縫紉薄料能優良。
  5. A set of non - linear differential equation of this model is formulated based on lagrange ’ s equation. the tension of the cable, the control force of translation and the control torque of rotation are obtained by the method of newton ’ s laws in vector space. the tethered mass system is modeled as a spherical pendulum

    本文基於一種常見的繩系單體系統,運用lagrange方程建立了該系統的非運動微分方程,採用矢法對該運動微分方程進行了校核,並推導出吊索的力、變幅控制力和回轉控制力。
  6. This thesis primarily makes below the work of a few aspects : ( 1 ) the method that measuring and solution of the control point ' s coordinate, calculation of the point, solution of intersection with polygons, and calculation the quantity of ore reserves in a drawing file by computer technology ; ( 2 ) the theory and the method to draw the diagram of the equivalent line by establishing the abnormal triangle net, and ore blending with the diagram of the equivalent degree ' s line ; ( 3 ) the principle and method to automatically divide the ore, and the method to adjust to the quantity of ore and search the ore ' s information ; ( 4 ) adoption the line program to beg to solve the problem to ore blending, and establish the linear programming model and the simplification model with ore blending. ( 5 ) establish the control model with ore degree based on modem control theories

    本論文主要完成了以下幾方面的工作: ( 1 )利用計算機技術直接在一現狀圖中,實現了控制點的測與求解、坐標展點計算、多邊形求交以及爆堆礦巖的計算; ( 2 )提出了通過建立非規則三角網的方法來繪制等值圖的理論和實現方法,通過等品位圖指導配礦工作; ( 3 )提出了配礦塊段自動劃分的原理和方法,並在此基礎上實現礦塊礦調整和礦塊信息查詢; ( 4 )採用規劃的方法求解配礦問題,建立了配礦問題的規劃模型和簡化模型; ( 5 )建立了基於現代控制理論的品位控制模型。
  7. Linear measurement error model and its application in occupational stress of doctors

    誤差模型及其在醫師職業緊研究中的應用
  8. On account of qpm can take advantage of the largest element of x tensor, and any interaction with transparency range of the material can be noncritically phase matched without walk - off angle. therefore, the conversion efficiency in longer crystal may be improved

    由於準相位匹配可利用非光學晶體最大的二階極化元,在晶體的整個通光范圍內均可實現非臨界相位匹配,在較長的晶體上可望實現較高的變頻效率。
  9. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢,可以利用非光學晶體的最大二階極化,如ppln 、 pplt 、 ppktp用的非極化都是d _ ( 33 ) ,其有效非系數高出普通非光學介質(如bbo 、 lbo 、 ktp )一個數級,而且可以人為靈活設計調制周期,通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段,選擇無走離效應,解決了常規pm難以解決的問題,拓寬了非晶體的應用范圍,極大地提高了頻率轉換效率,已成為非光學材料和固體激光器的研究熱點之一。
  10. Expression animation : based on water ' s muscle model, 17 muscle vectors are presented to simulate facial muscles " motion by nonlinear interpolation. meanwhile, some other parameters, for example, open of jaw and eyelids, could simply be substituted by rotation transform. through these control parameters " interaction, highly natural looking animations have been able to generated

    在人臉表情動畫方面:基於waters的幾何肌肉模型定製了一個具有17個肌肉向的人臉模型的動畫結構,用非插值來模擬肌肉的簡單運動;同時,採用旋轉變換來模擬其它的表情控制參數,例如下巴的開角、眼簾的開角等。
  11. B ) equivalent circuit method and finite element analysis ( fea ) to compute the static force are presented, the results obtained by each method are compared one with the other. c ) the results of dynamic simulation by means of the software, ansoft show the hlfm " s characteristics when the motor works in the special frequency and single stroke and the conditions used for position control. d ) the measured static thrust - displacement characteristics and the dynamic characteristics during starting show good correlation with the calculated results

    在設計並製作了實驗樣機的基礎上所做的研究內容包括; ( 1 )分別用能法和麥克斯韋法推導電磁力的計算公式,並討論他們的不同應用范圍; ( 2 )分別用等效磁路法和有限元法作直力電機的靜特分析,並比較分析它們的計算結果; ( 3 )用有限元模擬軟體做直力電機動態特的模擬,分別分析直力電機的頻率特、動子開合閘特和開環位置控制的工作特; ( 4 )做直力電機的靜推力?位移特實驗和動子開合閘的動態實驗,並將實驗結果與計算結果進行對比,實驗驗證了計算模型及計算方法的正確
  12. The calculation formula of seepage tensor to the model of non - linear seepage with the area of karst conduit in the whole coordinate axis is deduced. on the basis of galerkin finite element method, the equation of finite element with the non - linear seepage of groundwater is educed, on the foundation of this information, the program of karcon. for is compiled

    推導出整體坐標系下巖溶管道區非滲流模型滲透計算公式,基於galerkin有限元法,導出了地下水非滲流的有限元方程,在此基礎上編制了計算程序karcon . for ,將該程序用於典型模型的計算分析,結果表明該方法是合理的。
  13. In this article, several existing main compensation methods for the term of dynamic stiffening are reviewed ; describing method of material coordinate is introduced on the basis of the principle theorem of mechanics of continuum ; and the dynamic equation of flexible body is derived from nonlinear green strain tensor and kichhoff stress tensor, which are based on initial configuration

    本文評述了現有的幾種主要的動力剛化項補償方法,根據連續介質力學的基本原理,引入物質坐標的描述方法,採用基於初始位形的非green應變和kichhoff應力推導柔體的動力學方程。
  14. In this paper, we will more deeply research on the base of the works, the first part, we give the summarize for the condition and the significance. the second part, we give the preparation knowledge to the whole paper ; the third part, we research the lower and upper bound of the generalized hamming weights for the linear codes ; include d ( r, n, k ) bound, the finite sum representation of the lower and upper bound function of generalized hamming weights for linear codes, generalized griesmer bounds ; the 4 - th part, research the definition, the property of the r - th generalized weights for the non - linear codes and non - linear constant codes, and give the expression of the generalized weight of binary ( n, m, d ) non - linear codes ; the 5 - th part, research the weight hierarchy of linear codes and non - linear codes, for example, necessary condition and sufficient condition, the 6 - th part, we research the expression of the r - th generalized hamming weights of reseaval classes codes

    本文在已有的基礎之上作了進一步的探討,第一章綜述了廣義hamming重的現狀和意義;第二章給出了全文的預備知識;第三章研究了碼的廣義hamming重的一些上下界;包括d ( r , n , k )界,上下限函數有限和表達式,廣義griesmer界;第四章討論了非碼及非等重碼的廣義hamming重的定義、質,給出了2元( n , m , d )非碼的第r廣義hamming重的表達式;第五章研究了碼、非碼的重譜系;第六章給出了幾類碼的廣義hamming重的表達式,這些碼包括直和碼( directsumcodes ) 、笛卡爾積碼( cartesianproductcodes ) 、積碼( tensorproductcodes ) 、延長hamming碼。
  15. To meet the need of settlement calculation with fem when absence of laboratory triaxial test data in common road engineering, methods of determining the five parameters included in tangential elastic module through soil routine tests and the related emendation coefficient are given. at the same time, one approximately substituted formula for tangential poisson ratio is also developed, which is suitable for both sandy soil and cohesive soil. ( 3 ) research on main parameters modification of duncan - chang model based on the improved bp network

    對於一般道路工程中不做三軸試驗但須進行沉降有限元計算的情況,給出了依據土體常規試驗的切確定方法和相關修正系數,同時也提出了對砂土和粘土均適用的切泊松比的近似替代式子; ( 3 )基於改進的bp網路對鄧肯模型主要參數修正研究。
  16. This thesis researches on the stability of fibre suspensions applying theoretical, numerical and experimental methods. first the linear stability analysis is performed to fibre suspensions utilizing flow stability, slender - body and orientation tensor theories. the governing equations of channel and pipe suspensions of different stability handling modes and tensor closure approximations are derived

    首先綜合應用流體動力穩定理論、細長體理論以及纖維方向工具,對纖維懸浮流進行穩定分析,推導槽流和管流的穩定方程,並對槽流導出在不同的穩定分析模式以及不同的方向封閉格式下的多種形式方程。
  17. All the results of axial and radial deformation measurement by digital image processing technique and those by traditional method are compared. the differences of the soil parameters on duncan and chang ' s nonlinear model made by these two methods are analyzed. finally, a compress test results and fem results are provided to show the reasonability and veracity of digital image processing technique to study the soil stress - strain characteristic in triaxial test

    ( 2 )三軸試驗土樣局部變形研究:首先定比較了三軸試樣沿高度方向不同位置的局部變形(局部徑向變形與局部軸向變形)大小,分析了三軸試樣局部變形的特點和影響因素;然後把三軸試樣數字圖像測結果與傳統測結果進行比較,以鄧肯模型為例進行了模型參數的整理,分析了兩種不問測方法引起的參數差異:最後用原型壓縮試驗對比有限元數值計算結果,驗證了數字圖像測方法得到的三軸試驗土體應力應變參數的合理和準確
  18. If the two - equation turbulence models employ a linear relationship between the reynolds stress and the mean strain - rate tensors, this relationship is known as the generalized boussinesq model, the two - equation models can be extended for a wider range of applicability by developing more advanced nonlinear algebraic relations between the stress tensor and the mean - velocity gradient and the turbulent scales, this is known as explicit algebraic stress models ( easm )

    另一個是構成模型,即決定應力、應變率和兩個湍流尺度因子之間的函數關系式,它決定了雷諾應力。如果構成模型是的,則為boussinesq渦粘模型( evm ) ,如果構成模型是非的代數關系式,則為顯式代數應力模型( easm ) 。
  19. Based on the theory of shrinkage, capillary force theory, the influence of road concrete additives in common use on surface tension of water is studied, and the results show that the influence of water reducer is very small whereas shrinkage - reducing agent and air entrainer can reduce surface tension of solution significantly. the relation between surface tension and additive dosage are non - linear relation. each additive has an obvious critical micelle concentration ( cmc )

    從混凝土收縮的基本理論? ?毛細管力理論出發,通過道路混凝土外加劑對水的表面力的影響研究發現,減水劑對水的表面力的影響很小,而減縮劑和引氣劑可以大幅度降低溶液的表面力,溶液的表面力隨外加劑的摻呈非形式降低,而且都存在臨界膠束濃度。
  20. The method of moments is used to analyze and calculate the broadband characters of impedance, voltage satanding wave ratio ( vswr ), gain and radiation pattern of larger angle lpda, and the relation between these characters and the parameter of antenna construction is discussed in this paper. based on analysis and calculation, the antenna is designed and tested, and the measured results are in good agreement with the theoretical calculation

    本文採用矩法分析和計算了對數周期天角較大時,它的阻抗、電壓駐波比、增益及方向圖的寬帶特,討論了這些特與天結構參數之間的關系.根據分析和計算,設計並製作天進行實驗測試,理論計算和測試結果表明,兩者吻合較好
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