極限法線 的英文怎麼說

中文拼音 [xiànxiàn]
極限法線 英文
limit normal
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • : 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...
  • 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  1. A new method on seeking asymptote is given by applying the relation between secant and asymptote, this method is helpful to train creativity of students

    摘要利用曲得到曲的漸近,給出了求漸近的一種新方。這種方直觀性強,有助於培養學生的創新能力。
  2. The results reveal that calculation errors can be reduced with the linear expending nodes, which can be found out by anti - inference method, decided on the limiting equilibration surface based on the advance losm method

    結果顯示,用改進一次二階矩性展開點(可用反演算求得)選在平衡狀態面上,可減小計算誤差。
  3. Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal

    我的思路是:改造現有圖形結構,先建立能反映信噪比大小且含待定參數k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,再結合前邊的混合濾波器構成一個非性控制系統,寫出對應的網路函數,利用相平面和李雅普諾大穩定性的判據,得到一個穩定的環,從而確定出參數卜的范圍,進而再對原來的小波軟閾值進行修正,用修正後的值作為小波閾值。
  4. Firstly, the status of our nation ' s water resources, flood and arid hazards is overviewed to illustrate the necessity for study on dynamic control of flood season limited water level. disadvantages in traditional limitsd water level design, static control of limited water level design, static control of limited water level and fuzzy limited water level curve are pointed out, and mending methods for these are introduced. dynamic control and its key problems are analyzed hi next section. the allowable range of limited water level is determined, so as the allowable extreme risk index. the definition of extreme risk is re - illustrated, risk analysis methods in reservoir operation is discussed either. according to the definition of extreme risk rate, the allowable extreme risk rate of reservoir is systematically demonstrated with variant extreme risk indexes and flood season limited water level

    本文首先闡述了我國水資源狀況和水旱災害、說明水庫汛期制水位動態控制研究的必要性;介紹了傳統汛水位設計、汛水位靜態控制、模糊汛水位過程存在的問題及其初步改進方;分析汛期制水位動態控制的方及關鍵問題;進一步闡述了水庫風險率的定義;根據風險率定義,詳細敘述了不同風險指標時、不同汛期制水位下起調,水庫所能承受的風險率計算方。然後,基於風險率計算方,以白石水庫為背景,研究「考慮壩體自身安全、考慮壩體安全與下游防護對象控制下泄流量的汛水位動態控制的風險率」 。
  5. Based on the philosophy of capacity design, the formulas of overstrength of coupled - shear wall were established to offer the theoretical references for the evaluation on the seismic performances of the shear - wall structures designed by current building codes based on bearing capacity method under severe earthquake, which has been proved correct by the results of nonlinear full range analysis

    摘要基於能力設計原理,建立了聯肢剪力墻結構承載力的超強計算公式,為按現行規范以承載力設計的剪力墻結構評估其在罕遇地震下的抗震性能提供理論依據,並結合實際工程中剪力墻的計算和非性分析結果,證明了本文方的正確性。
  6. Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range

    因此本文第二章基於組合學方思想研究了矩形區域內節點均勻分佈的無自組網的幾項基本屬性,網路中鏈路總數的期望值,網路中節點度數分佈情況,以及網路連通性與無信號傳輸半徑的關系等,得出了其解析描述。
  7. 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量化分析和實驗研究: (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量、承載力、變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲、榫卯張角剛度及其變化規律、柱架及榫卯的承載力和變形、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?恢復力特性及滯回曲,斗?抗壓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、阻尼特性及阻尼比;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量,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量分析。
  8. Finally, when a 00, the limt situations for the developable modeling and surface development above are all disscussed and compared with those on bezier curve. the programs of the above methods und algorithms are developed, which shall be used in the system of developable surface modeling for cad / cam

    Zier曲上可展曲面造型方和曲面展開演算,均給出了當0時的,並與b ? zier曲的情形作了分析和比較。這些方和演算均應用於實例在計算機上得以實現。
  9. The soil plug has an important effect on the pile driveability, and the pile diameter has an important effect on the property of soil plug, too. then the plugged effect judging method and nonlinear model of soil plug of the large ( super large ) diameter, super length, deep penetration pile have been established. hyperbolic model of soil plug was also proposed to calculate the inside static resistance

    3 .土塞對大直徑、超長樁的可打入性有重要影響,而樁徑大小直接影響土塞特性,本文建立了大直徑(超大直徑) 、超長、深貫入樁土塞閉塞效應判斷方和土塞非性雙曲計算分析模型,並提出了「內側摩阻力動態分佈」模式。
  10. ( 2 ) study the 4 plastic limit equilibrium methods, such as fellenius method, bishop method, transfer coefficient method and plane linear method, and their program design

    ( 2 )常用的4種平衡:瑞典,簡化畢肖普,傳遞系數和平面直研究並進行程序設計。
  11. Based on analyzing the relations among the power of function, the path of beeline or curve, and the rank of infinitesimals, a method of path selection on some inexistence of weight limit is developed, i. e. the power control method of the infinitesimal rank

    摘要通過對函數的冪次、直路徑與曲路徑、無窮小的階三方關系的分析,提出了一類證明重不存在的路徑選取方無窮小的階的冪次平衡
  12. Finally, through the empirical datum union with the simulation datum, obtains the ballistic limit equation with the method of multiple linear regressions, and to the fitted equation carries linear relations significance test

    最後,通過已有的實驗數據結合數值模擬得到的數據,用多元性回歸的方得到擬合的撞擊方程,並對擬合出的方程的性關系進行顯著性檢驗。
  13. Pipeline increase the cpu efficiency greatly, but the exist of instruction correlation make the pipeline block and delay frequently, as a result it can ’ t achieve the aim that one instruction completed in one period averagely

    但由於流水中指令相關等問題的存在,常常使流水發生阻塞延遲,使得指令不能夠在預定的時刻完成,因而無達到速度的目標,更無超越該速度。
  14. It achieves full test automation from calibrating, running, failure diagnosis and data processing, which establish it an intelligent test system. in the software, a curve fitting program which based on the system ' s principle which can greatly improve the calibration precision and a safl mathematical statistics program for the test data are made

    在試驗系統軟體設計上,結合試驗機原理,採用基於原型函數的動態標定數據曲擬合提高了載荷標定的精度;通過對比各種曲軸試驗數據的處理方,同時考慮在實際運用中的效果,計算機統計採用了疲勞統計分析( safl )
  15. A combined neural network and genetic algorithm with solving stability safety of homogeneous slope was proposed and the finite element method is applied to analysis the progressive failure process of the slope and the maximum equilibrium theory, requests out stability safety of homogeneous slope with the smooth arc radius of difference with the difference below the level coordinate of arc peak, utilizing the neural network algorithm to establish slidng the nonlinear mapping relationship between level coordinate of arc radious and arc peak, being adapted the neural network algorithm to look for along the minimal stability safety of homogeneous slope and corresponding arc radious and arc peak

    提出了求解邊坡穩定性安全系數的神經網路與遺傳演算。該方採用有元分析和平衡理論,求出不同的滑弧半徑和不同的弧頂水平坐標下的邊坡穩定性安全系數,利用神經網路演算建立滑弧半徑和弧頂水平坐標與安全系數之間的非性映射關系,採用遺傳演算搜索邊坡的最小穩定性安全系數及相應的滑弧半徑和滑弧中心坐標。
  16. There are four main methods by far, nonlinear finite element method, idealized structural unit method, direct calculation method and simplified method

    目前,計算總縱彎矩的方主要有四種,即非性有,理想結構單元、直接計演算和簡化方
  17. This theoretic model employs the basic idea of correlation measurement, achieve the density wave speed by the correlation of the signals of upper and lower sensors, and get the total flow rate and water cut through the theoretic relationship of density wave speed and total flow rate as well as holdup with the help of drift flux model so as to accomplish the oil / water two - phase flow measurement at last, using the limited available experiment data, the theoretic model has been simplified into an applicable linear alternative which is suitable to homogeneous oil / water two - phase flow measurement to accomplish the oil / water two - phase flow measurement using the density wave phenomena is of highly theoretically valuable for density wave theory research as well as oilavater two - phase flow measurement research. to develop new type oil / water two - phase flow instrumentation based on this theoretic measurement method will be very applicable and promising

    在此基礎上,針對穩態密度波理論提出了基於密度波理論的油水兩相流測量理論模型,該模型以密度波傳播理論作為基礎,通過上下游傳感器信號相關獲得密度波傳播速度,利用密度波傳播速度與總流量以及持相率的理論關系結合漂移模型來求解總流量和含相率,實現油水兩相流的測量,在理論分析的基礎上,在實驗資料有的條件下,對基於密度波理論的油水兩相流測量理論模型作了的簡化,提出了本文油水兩相流測量理論方應用在測量均勻油水兩相流中的實用性模型。
  18. Nonlinear plasticity limit analysis upper bound method of gangue hill stability

    矸石山穩定性非分析上
  19. According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison

    首先著重研究影響邊坡穩定性的內在因素,主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料,建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素,並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方對沿14個高陡邊坡穩定性進行初步的評價,並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類,並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體平衡求出了不同工況下的安全系數。
  20. The nonlinear analysis of reinforced concrete slabs includes the ultimate load analysis and the finite element analysis

    鋼筋混凝土板的非性分析方主要有分折和有元分析。
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