非線性分流 的英文怎麼說
中文拼音 [fēixiànxìngfēnliú]
非線性分流
英文
non-linearity split stream- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 線 : 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...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 非線性 : [數學] [物理學] [電學] nonlinearity; nonlinear
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In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking
在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。The main contents are as follows. ( 1 ) filter cloth and the surrounding soil mass are taken as an approximate isotropy in horizontal section, the relationship of stress and strain is studied, the anisotropy is fully considered, the constitutive model of filter cloth reinforcement fly - ash compound is obtained, it is tested with numerous indoor experiments. ( 2 ) the permeable coefficient is introduced into the constitutive relationship of soil mass with relevant seepage theory ( kozeny - carman experience formula ). the test of filter cloth depositing hi the condition of long term seepage flow is done hi the dissertation, the varying regular of permeable coefficient without pressure is presented
本文首先對國內外的研究現狀作了回顧和總結,然後主要針對土工織物加筋粉煤灰復合體的本構關系和計算理論進行研究,主要內容有: ( 1 )將土工織物和周圍土體視為一種近似的彈性非線性橫觀各向同性體,研究它的應力應變關系,充分考慮它的各向異性,得到土工織物加筋粉煤灰復合體的本構模型,然後通過大量室內試驗進行分析驗證; ( 2 )引入有關滲流理論,即柯茲尼-卡爾曼( kozeny - carman )經驗公式,將滲透系數引進到土體本構關系中。In chapter three, we negative the nonliear terms in the system of equations which include surface pressure, wind stress and coriolis force terms. the height of the storm surge and the storm current can be seen as two terms
在第三章里,我們忽略了控制方程中的非線性項,將風暴潮潮高和風暴潮流分成氣壓效應和風應力效應的疊加。Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model
第二,討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據,發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大,這有利於對稱不穩定的發生。第三,採用f平面、非靜力平衡、濾聲波模式,討論了中尺度垂直環流非線性攝動分析及演變方程。In the first part, the steady nonlinear vortex lattice method is adopted to calculate the hydrodynamic characteristics of open water ichthyoid rudder, and the induced velocity of ichthyoid rudder is calculated using panel method
本文理論計算部分,採用定常非線性渦格法計算魚形舵的水動力性能,用面元方法計算舵流場的誘導速度。In this paper, a crank - nicolson mixed element method, a nonlinear galerkin mixed element method for the non stationary conduction - convection problems time second order accuracy fully discrete formats and a two - level mixed element method with backtracing for the stationary conduction - convection problems are presented and analyed, respectively, an error analysis are provided for the crank - nicolson method of time discretization applied to spatially discrete galerkin mixed element approximations of the nonstationary conduction - convection problems
本文分別給出了非定常的熱傳導-對流問題的crank - nicolson混合元法時間二階精度全離散格式,非線性galerkin混合元法時間二階精度全離散格式以及定常的熱傳導-對流問題回溯二重水平法。討論了時間上的crank - nicolson離散方法應用於非定常的熱傳導-對流問題的空間離散的galerkin混合元近似。The primary of linear induction motor which drives the metro is installed on the chassis bogie, and because it is quite strict with laying down railway rail to use flat linear induction motor to drive metro, its secondary - - - - reaction board ( called induction board ), which is a kind of compound board of aluminum and steel, is fixed on the rail sleeper between the track. it is the airgap which is a gap between the primary and secondary of lim. the electromagnetic airgap is a very important parameter of lim
利用有限元法對直線感應電動機二維非線性渦流場進行了數值計算,並在此基礎上,運用電磁場有限元分析的專用軟體ansoftmaxwell2d對單邊型直線感應電動機的瞬態特性進行了模擬分析,得到電機運行過程中的電磁推力、法向力、初級電流、氣隙磁密等曲線,通過改變直線電機參數,分析了電機氣隙對其瞬態性能的影響。Fitting results of three non darcy seepage models including three - parameter model, power exponent model and two - section model were pretty good, and broken line model could be simplified to the forms of linear permeability model and darcy model
試驗與分析結果表明,三參數模型、冪指數模型和非線性分段模型這3種非達西滲流模型的擬合效果較好;折線滲流模型簡單實用,在特殊情況下可以簡化為線性滲流模型或達西定律。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線性滲流模型滲透張量計算公式,基於galerkin有限元法,導出了地下水非線性滲流的有限元方程,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。Considering the seepage of linear and the seepage of non - linear in the karst area are always coexisting, the model of linear seepage and non - linear seepage is put forward firstly on the basis of domain decomposition method. the movement of groundwater in an ideal model is simulated with this method, and the program of dar - nondar. for is compiled. then these results are applied to zhongliang water resources and power engineering, the leakage quantity of karst water is calculated
考慮到巖溶區滲流往往都是線性流與非線性流並存,首次提出了基於區域分解法理論的線性?非線性滲流模型,利用該方法模擬出理想模型中的水流運動,並編制了計算程序dar - nondar . for ,然後將該成果應用於中梁水利水電工程中,預測出庫區巖溶水滲漏量。Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction
首先結合pcnn的同步脈沖發放和側抑制特性,提出了基於改進型pcnn的圖像凹點檢測演算法,該演算法是一種自適應而有效的圖像凹點檢測方法,並且較好地模擬了人類視覺系統;然後,結合信息傳遞和信息耦合特性,將pcnn擴展成pcnns ( pcnn網路群) ,提出了一種基於pcnns的圖像融合演算法,能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中,有效模擬了人類視覺系統;另外,結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性,開拓地將pcnn用於模式分類中,提出了基於耦合神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法,前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類,而後者能夠消除訓練樣本中刺點對分類的影響;最後,結合累積差分圖像思想、 pcnn波的形成與傳播特性,通過各神經元之間連接取向來選擇與控制自動波的流向,將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向檢測。Nonlinear bifurcation analysis on post - stall transients of axial - flow compressor
軸流壓縮系統過失速行為的非線性分叉分析For initial rectangular and hexagonal disturbances on the interface, nonlinear fluid mechanics governing equations are solved respectively with the perturbation method, and 2nd - order approximate solutions are obtained. then effects of nonlinearity on r - t instability are discussed, and its significance is manifested
應用攝動方法求解非線性的流體力學方程組,分別針對矩形和等六邊形的界面初始擾動,得到了擾動發展的二階近似解,並分析了非線性對r - t不穩定性發展的影響,指出非線性在其中的重要意義。Nonlinear analysis of thin current - carrying annular plate with variable thickness in the electro - magnetic field and mechanical load
載流變厚度環形薄板在電磁場和機械載荷作用下的非線性分析The fluctuation characteristics of liquid slug length in the downward inclined pipe with a large range of gas and liquid velocities were investigated on the basis of fractional theory of air / water slug flow
摘要利用非線性分析技術中的分形理論在較寬的流速范圍內對下傾管中空氣水段塞流的液塞長度波動特性進行了研究。By analyzing the abundance distribution of the calanus sinicus at the fronts in the two surveys, we try to find the direct dominant physical processes. and on the basis of that, provide a simple coupled physical and biological model and apply it in the bohai sea. the position of the tidal fronts and vertical circulation structure near the fronts are examined using the blumberg & mellor 3d nonlinear numerical coastal circulation model incorporating with mellor & yamada level 2. 5 turbulent closure model
論文基於目前國際上普遍使用的blumberg & melior三維非線性環流模型( ecom )並結合mellor & yamada的21 / 2階湍封閉模型,採用blumberg & mellor改進的半隱式數值差分格式,首先對黃海海洋鋒位置及其鋒區環流特徵、形成鋒的主要動力機制等進行了研究。The nonlinear exponent is a function of the radial distance from the pumping well. the two - regime well flow problems being in the steady state. in the fourth chapter, the problems of two - regime well flow have been discussed concentrating on a kind of special seepage law
第四章對一種特殊的非線性滲流規律即充分紊流的情況,進行了全面、詳細地討論,推導出了該情況下井流問題的滲流速度、水頭降深和井流函數的解析表達式,作出了些具有代表性的標準曲線。In recent years, the seepage flow mathematical models in fractal reservoir have been extensively developed and applied and have become important methods to research nonlinear seepage flow regularity in complex reservoir
以分形理論為基礎建立的分形油藏模型已經得到了廣泛的研究和應用,成為目前研究復雜油氣藏非線性滲流規律的一個重要工具。Firstly, the basic theory of switch reluctance generator ( srg ) is discussed in detailed, based on the mechanism electric energy converting analysis, non - linear analysis and non - linear simulation. three control methods of srg ( angle position control method, current chopping control method, pulse width modulation control method ) are deeply studied and analyzed. the electronic controller, which controlled by dsp or by hardware circuit are developed for low - power switched reluctance generation system
首先系統地研究了開關磁阻電機發電運行的基本理論,從機電能量變換的角度分析開關磁阻發電機的機電能量變化規律;通過非線性分析和非線性模擬方法,明晰開關磁阻電機發電本質,概括出開關磁阻電機發電運行的特點;系統、深入地研究了開關磁阻電機發電運行的控制方案(角度位置控制、電流斬波控制、脈寬調制控制) 。Uniform second - order pointwise convergence of a hybrid difference approximation for a singularly perturbed robin problem
基於非均勻網格求解非線性對流擴散問題的一種高精度差分格式分享友人