長方網格 的英文怎麼說

中文拼音 [zhǎngfāngwǎng]
長方網格 英文
rectangular mesh
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : Ⅰ名詞1 (捕魚捉鳥的器具) net 2 (像網的東西) thing which looks like a net 3 (像網一樣的組織或...
  • : 格象聲詞rattle; gurgle
  • 長方 : rectangular長方鍵 longitudinal key; 長方體 [數學] rectangular parallelepiped
  • 網格 : cancellus
  1. The calculation method of ln ( / tan # ) index widely used is the multiple flow direction algorithm developed by quinn et al. it can been seen that, in the algorithm, the contour length normal to the direction of flow flowing out the current cell is used to determine both a and tan #, and that the calculated total cumulative contributing area of downslide grid cell does not include the area of the current cell

    目前普遍使用的計算該地形指數的法為多流向法。法中計算和tan用的均是與流出單元流向垂直的等高線。另外計算下坡單元累積匯流面積時沒有考慮欲計算ln ( tan )值的單元的面積,這些是不合理的。
  2. When the solutions of examples are achieved, the superiorities of the method is embodied which are big pace and good stability even when net meter ratio is bigger than 1, which is a greatly breakthrough in the limit of stabilization in the finity difference method ago

    在具體的算例計算中體現了辛差分法的優越性:步大,在比大於1時仍具有較好的穩定性,大大地突破了以往的有限差分法穩定條件的局限。
  3. The explicit finite element method ( fem ) based on the varying time - step was selected to analyse the dynamic roll - pass process ; the nodes on the leading face of the steady - state elements set was extracted and projected onto a plane to give the required mesh, also called the origin mesh ; the implicit fem was selected to analyses the inter - pass transient thermal process ; a geometric part from the mesh was generated and meshed by using the quadrilateral elements, a heat transfer analysis was selected to transfer the node temperature data ; a new model was created by using hexahedral elements, mapping the node temperature and the equivalent plastic strain on the integration points

    利用基於變步中心差分式的顯式積分法分析瞬態軋制過程;提取穩態單元集節點形成截面;利用隱式積分法分析軋制道次間隙瞬態溫度場;對型鋼斷面進行平面四邊形劃分並映射節點溫度數據;利用六面體單元構建有限元分析模型,映射單元節點的溫度、積分點的等效塑性應變,進行數值分析。
  4. Many test cases are calculated to verify the above study. the cases are either real or standard testing models, including multi - element airfoil, wing - body configuration, cone / cylinder missile model and 3 - d high - lift systems, etc. the results of present calculation are in good agreement with experiment data, and show flexibility and accuracy of the approaches. base on the cartesian grids, this thesis has targeted the development and integration of many algorithms and techniques such as adaptive refinement, omni - tree data structure, hybrid grid method, etc. an analysis software and research methods are designed and developed for the steady - unsteady and viscous - inviscid flow complex systems and configuration

    7 .運用上述研究成果和結論,進行了大量算例的實驗驗證,外形范圍包括多種標模與型號,涉及多段翼型、 m6機翼、細體模型、翼身組合體、兩段機翼增升標模、帶縫翼和襟翼的三段增升翼身組合體等復雜外形,計算結果均與實驗吻合良好,充分說明了本文發展的各種演算法、流場求解、生成法的正確性和魯棒性。
  5. The control of the deep - seated structural - magmatic process over the metallogenic system around the middle - lower yangtze river reaches is shown as : ( 1 ) the mantle uplift belt is closely related to the general geological background of the metallogenic system ; ( 2 ) the primitive magma originated from different parts of the mantle uplift belt ( mantle ridge or mantle slope ) shows differences in style of formation and composition and results in different magmatic series and metallogenic subzones, respectively ; ( 3 ) the varying depths of structural - magmatic chambers may form a " three - layered structure " ( central type, network - like and ring - like ) and this is the primary factor that controls the different magmatic series and the concerned cluster of ore deposits ; ( 4 ) the alkaline basaltic magma derived from the mantle ridge forms high - potassium and calcium alkaline magma and shoshonitic magma due to its altering intensity of afc process with the lower crustal material, which has something to do with the copper - gold and iron - sulphur metallogenic subsystems, respectively

    深部構造巖漿作用對江中下游成礦帶安徽沿江地區成礦系統的控製表現為: ( 1 )地幔隆起帶與成礦系統的總體地質背景的演變密切相關; ( 2 )源於地幔隆起帶不同部位(幔脊與幔坡)的原始巖漿,其生成式和物質組成不盡相同,它們分別產生相應的不同巖漿巖系列和成礦亞帶; ( 3 )不同深度的構造巖漿房組成中心式式環帶式「三層結構」 ,是控制區內不同巖漿巖系列及有關礦床集中分佈的主要因素; ( 4 )源於地幔隆起帶脊部的堿性玄武巖漿,由於與下地殼物質發生的afc作用強度不同,形成了高鉀鈣堿性巖漿和橄欖安粗巖漿,分別與銅、金成礦亞系統和鐵、硫成礦亞系統有關。
  6. The sequence of two patterns presence is changed alternately, that is, one pattern will appear at the second pulse of total pattern in this half cycle if it appears at first pulse in last half cycle. the stability of square pattern was studied by considering the interaction among the wall charges. the discharge moments of individual filament alternate from long one to short in the square pattern, which can been explained by using the breakdown and quench model through considering the wall discharge accumulated on the dielectric layers

    實驗研究了正斑圖與混合氣體的比例及外加電壓的關系,給出了班圖類型隨上述條件變化的相圖;實驗採用光學法對正斑圖進行了時空動力學測量,發現正斑圖是由兩套正斑圖相互嵌套而成,其中一套的微放電絲位於另一套正形單元的中心,這兩套微放電絲交替進行放電;考慮到壁電荷之間的相互作用,研究了正斑圖的穩定性;實驗發現正斑圖的微放電絲放電時間間隔是短交替變化的,考慮到電介質表面積累的壁電荷的作用,使用擊穿?熄滅程很好的解釋了該現象。
  7. In this paper, chroma dc coefficients are selected as the carrier data because chroma dc coefficients are robust. also, alterable steps are used to select one part of the coefficients, so the watermark is imperceptible ; before watermark embedding, the watermark is divided into many parts, every part is individually embedded into one gop of the video, even if a gop is destroyed, the watermark can be extracted correctly, this methods promotes the robustness of the watermark ; in addition, in order to promote the security of the watermark, the user ' s id and password are used to generate chaos sequence by the chaos system which is created in this paper, later, watermark is mixed by the chaos sequence. also, the embedding position of the watermark bit is modified by one chaos sequence, so, unauthorized person can not extract or remove the watermark, since the embedding position is unknown

    本文認為,色度dc系數是魯棒性非常好的參數,因而選擇色度dc系數作為水印信息載體,同時,採用可變的步選擇部分系數,保證了水印的隱形性;在嵌入水印時,本文採用水印信息「劃分」 、各子塊獨立嵌入視頻的案,由於水印信息子塊是相對獨立的嵌入視頻中的每一相對獨立的圖組當中,即使某一圖組收到一定破壞,也能夠恢復水印信息,使水印的健壯性得到提高;此外,為了提高水印信息的安全性,在嵌入水印信息時,根據用戶輸入的id號和密碼,利用本文構造的混沌系統產生的混沌序列對水印信息進行變換,同時,對每一水印信息比特的嵌入位置也採用了偽隨機序列進行調整,這樣,未授權用戶不能提取水印信息,也難以擦除其中的水印信息,因為嵌入的位置是未知的。
  8. Compared with the conventional finite - difference method on the fixed grid - size rectangular grids, the new method can be more cost - effective in complex models. numerical tests for both seismic modeling and reverse - time migration are performed on various theoretical models and a physical experiment

    用該剖分法得到的在各速度層內的空間步是不同的,而全區域上的時間步卻近於恆定,因此在復雜模型上,本文法的計算效率要高於傳統的矩形差分法。
  9. For the present two les models, adopting the subgrid eddy viscosity concept and introducing the transport equation of turbulence energy k, the subgrid scale turbulence is parameterized by the turbulence energy k and the length scale of turbulence / ( k - 1 model ). in addition, vegetation is considered as an internal source of resistant force and turbulence energy

    在應用大渦模擬法求解數值計算模型控制程時,亞雷諾應力項沿用了亞渦粘性系數思路,引入亞紊流脈動動能k的輸運程,建立了關于亞紊流脈動動能k和紊流特徵度l的k - l模型求解。
  10. ( 4 ) we make further improvement in fox algorithm on processors organized as a rectangular grid, and we also develop multi - level parallelisms and make performance optimization for this improved algorithm on smp cluster at process level, thread level and instruction level

    ( 4 )對長方網格上的并行矩陣乘演算法做了進一步改進,並針對改進演算法,分別從進程級、線程級和指令級對其進行多級并行性開發與性能優化。
  11. The assembly line is under computers automatic control and inspection, of which both the technology and equipment have reached the international advanced level. in the year of 2005, changhai has once more introduced the international advanced product line for fiberglass tissue mat, promoting the technology strength and the production at a large step. equipped with 60 professional technicians, an advanced lab and research development center, the company bears strong abilities of developing new products ; guaranteed with such solid technology strength, changhai is able to produce specific chopped strand mats of 100g, 120g for the inner roofs of automobiles as well as various glass fiber mats and to produce products of special specifications according to customers order

    目前,海擁有大型生產線10餘條,其他配套設備50多臺套,公司擁有先進的薄氈短切氈生產線,蓄電池隔板生產線,玻纖布織機復合氈織機,針織氈設備,以及各種塗塑分切設備等,流水線生產採用全自動電腦控制和監控,技術力量與設備都達到國際化先進水平2005年,海再次引進國際先進的玻纖薄氈生產線,企業技術實力與產量再次得到大規模的提升公司有著極強的產品研發能力,擁有專業技術人員近60餘名和先進的實驗室與研發中心雄厚的技術實力保證,使海公司在國內率先能生產100克120克汽車內頂用特殊短切氈,玻纖各種薄氈,並能為用戶定製生產特殊規的玻纖製品。
  12. Now the method of lever set is wildly used like crystal grows, etc. this paper mainly explains the application in the moving interface aspect of the method, which based on fast tree redistancing for moving interface, including definition of level set method, adaptive mesh ( octatree ) and interpolation of scattering points

    水平集法現已得到廣泛的應用,如晶體增等。本論文主要闡述了水平集法在求等距問題面的應用,即一種基於樹形結構的快速等距面計算法,包括水平集法的定義,自適應剖分(本論文採用八叉樹的法)以及離散點的插值。
  13. Finally, in orthogonal curvilinear coordinate systems numerical model is established and applied in the yangtze river estuary in which some regulation plans are taken include submerged jets and groins. verifications are also done to verify water level and velocity. flow fields are computed for the analysis of effect of regulation engineering on the whole water area

    最後,應用正交曲線技術,建立了正交曲線坐標系下廣義淺水程的計算模式,將之應用於江口深水航道整治工程的流場計算,進行實測水位、流速驗證和流場模擬。
  14. In this paper, in order to find the approaches to reduce the drag levels and enhance the lift - drag ratio for grid fin, the aerodynamic characteristics of the grid fin are calculated with tvd finite volume scheme and wind tunnel tests. according to the complex flow field, a curve - long parameter grid generation technique is applied, and the density of the grid is processed

    為適應復雜流場的數值計算,對生成法進行了研究,採用弧生成法進行貼體生成,並對進行了加密處理,使物面附近盡量密些,而在遠場使盡量稀疏些。
  15. The computation domain is a rectangular area with its length along the along - wind direction. a finite volume scheme is proposed during the process of domain discretization and numerical simulation

    二維問題的計算區域,沿來流風取一形區域,採用有限體積法進行剖分和數值離散。
  16. The finite element model of the thermal conductive equation and the thermo - elastic equation in the system consisting of a transparent coating and a opaque substrate is established based on the analysis of the stability of solution and two important parameters, meshing size and time step

    摘要在分析了大小和時間步這兩個重要參數和求解穩定性的基礎上,採用有限元法建立了透明薄膜基底系統的熱傳導程和熱彈性程的有限元模型。
  17. The computational cost involved no longer increases exponentially with the number of vertices of the meshes to be fused. ( 2 ) the algorithm is robust as the ambiguity in graph structure combination is alleviated. ( 3 ) the detail of the cut mesh is fully kept

    與原有的基於全局調和映射的融合法相比,新法具有以下優點: ( 1 )演算法效率大幅度提升,求解時間不再隨融合模型頂點數的增加而指數增; ( 2 )減少了二維拓撲合併中奇異情況出現的概率,提高了演算法的穩定性; ( 3 )被剪切的細節得到完整保留; ( 4 )消除了原演算法對融合區域拓撲的限制。
  18. A ceremony was held in beijing, during which the amss director, professor guo lei, presented the appointment letter to professor tang. the honour was in recognition of his " significant contributions to numerical methods for incompressible flow simulations and hyperbolic conservation laws, especially for the development of moving mesh adaptive grid computations.

    聘書頒發儀式在北京舉行,由郭雷院親自頒發。該項殊榮是嘉許湯教授在不可壓流體和雙曲守恆律的計算法,特別是自適應移動法等面作出重大的貢獻。
  19. Compared with the traditional shape localization algorithms, e - tdsm has the following advantages : 1 the un - warped edge - based texture can better predict the shape and is more robust to the illumination and expression variation than the conventional warped gray - level based texture ; 2 the presented bayesian network indicates the logic structure of the face alignment task ; and 3 the mutually enhanced shape and texture observations are integrated to infer the optimal parameters of the proposed bayesian network using em approach

    在人臉定位問題中,傳統的紋理的定義是將原圖中形狀包含的灰度值塊通過分塊仿射變換映射到平均形狀中,從而得到定的紋理表示。但是,對于側臉圖像,由於自遮擋的原因,由平均形狀決定的並不能反映所有形狀的二維拓撲結構,這樣得到的紋理表示很多地會出現被遮擋部分的紋理無法得到的問題。
  20. Third, based on the parameterization of the related land surface characteristics, using the probability density functions ( pdf ) and the grossly dynamic resistance method, a statistical - dynamical parameterization scheme is put forward. the mean evapotranspiration flux of lower reaches of the yangtze river is calculated by tins scheme and the results are compared with the formers " conclusions. finally, the calculated results by the statistical - dynamical parameterization scheme are compared with the mosaic method

    第三,在進行了有關地表特徵物理量的參數化后,結合擬合的概率密度函數,根據總體動力掌阻抗法,提出了一種考慮區整體非均勻性的統計-動力參數化案,並採用這種案計算了江三角洲地區的平均蒸發散通量,計算結果與以前研究者的研究成果進行了比較驗證。
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