邊界復形 的英文怎麼說

中文拼音 [biānjièxíng]
邊界復形 英文
boundary complex
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • : Ⅰ形容詞1 (重復) repeated; double; duplicate 2 (繁復) complex; compound Ⅱ動詞1 (轉過去或轉過...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. Abstract : the mechanical analysis for arch bridge with flat hinge joints is a mechanical problem with non - linear boundary. mechanical analysis of methods at present is not clear, which can not calculate the arch bridge with changeable section and section with complicate shape. in this paper, the new method used to get the section resistance coefficient k is presented, the iterative procedure is established to calculate the internal forces of arch bridge with flat hinge joints, and the computational example is given. the method can apply to the arch bridge with any numbers of flat hinge joints and any shape section

    文摘:平鉸拱橋結構的受力分析屬于非線性力學問題,目前的一些方法受力分析不太明確,對變截面、狀截面等平鉸拱橋無法進行計算.針對這種情況,提出了確定平鉸截面抗力系數k的新方法,建立了計算平鉸拱橋內力的迭代演算法,並進行了實例計算,研究結果表明,這一方法對具有任意個平鉸、任意狀截面的拱橋結構是適用的
  2. In this paper, the problem of calculating movement of piece is simplified to the problem of finding track line segments between vertices and edges, hence the time complexity is much reduced, and special cases such as inner cavity and inner nfp ( no fit polygon ) can also be tackled

    摘要將多滑動碰撞問題轉化為頂點和之間的軌跡線提取問題,從而降低了時間雜度,並可統一處理空腔和內部靠接臨問題。
  3. Consequently, on the basis of non - winkler foundation model, a finite - element method that utilizes foundation flexibility matrix into iterative calculation is proposed in this paper originated from the item " the optimal design theory and research of pile capping beam " sponsored by natural science fund of hunan province, which the continuity of soil mass can be accounted for under various boundary conditions, different loadings and irregular beam characters

    本文結合湖南省自然科學基金項目「樁基承臺梁優化設計理論與方法研究」 ,針對非文克爾地基(半空間、線性變層或單向壓縮層地基模型等)上的樁基承臺梁,提出一種利用地基柔度矩陣來進行迭代的有限單元法,可充分考慮梁下土體的連續性,並對基礎與土體脫開、承臺梁截面變化、梁體條件雜、上部荷載類型變化以及梁下基樁承載力差異等情況進行分析計算。
  4. Relating closely to the main problem of the high sidewall and wide span underground cavities excavation stability of xiluodu hydroelectric project, the evolution characters of geo - stress field in deep - cutting gorge and the whole features of the stress field, strain field and plastic failure zone around the underground chambers after excavation are studied systematically in the dissertation, based on a great deal of data gathered in field investigation and taking the flac3d v2. 0 software as basic computation tools. meanwhile, in the course of research, the new methods of dynamic numerical simulation are summarized and applied. furthermore, the effects of rock mass qualities, initial geo - stress field and excavation procedure on surrounding rock mass stability are discussed

    本文緊密結合溪洛渡水電工程大跨度、高雜地下廠房洞室群,施工開挖過程中和開挖后圍巖穩定性研究這一重大課題,在詳盡的野外地質調查工作和對大量基礎地質資料的整理與分析基礎上,以目前國際工程地質公認的最新通用軟體flac ~ ( 3d ) 2 . 0版作為基本計算工具,從整個壩區地應力場的研究開始,通過動態數值模擬分析這一新的模擬思路,系統地研究了深切峽谷區地應力場多階段的特徵和演變規律,進而對左、右岸地下廠房洞室群開挖全過程中圍巖應力場、變場和塑性破壞區的變化特徵,進行了全過程動態數值模擬研究,並詳細討論了圍巖質量、初始地應力場、施工開挖順序對大型地下洞室群圍巖穩定性的影響。
  5. The research works finished in this paper are listed below : 1. solving the problem in testing of cylinder vessels that the sensors disposition is very rigorous, carrying out study of freewill triangle network orientation and linear orientation, bringing forward the discriminance which distinguish the validity of orientation array using character string method the first time, at the same time, solving the problems that judgement of orientation array, elimination of camouflage location, avoidance of repeat location, etc. 1 '. carry ing out the study of the orientation of defects in stand lank floor with the method of freewill planar triangle orientation, advancing bran - new discriminance on the validity of orientation arrays, orientation points, and the disposing means of the acoustic sources near sensors and those near common border

    本文進行的主要研究工作有: 1解決柱式容器檢測中傳感器排布要求較嚴格的問題,開展任意三角網路排布檢測技術與線定位技術研究,首次提出了利用字元串格式判斷線定位陣列有效性的判別方法,並解決了任意三角定位中存在的定位陣列判斷,偽定位的剔除,重定位的避免等一系列問題; 2利用平面任意三角定位方法開展常壓立式儲罐罐底缺陷定位技術研究,提出了全新的定位陣列有效性判斷、定位點的有效性判斷方法;以及頂點聲源和聲源的處理辦法。
  6. The meso - cenozoic evolution of bachu fault - uplift is closely related to its south and north subsiding foredeep. under the background of indian plate subducting under asia - europe plate, bachu forebulge was greatly affected by the development of southwest depression and awati depression. almost all of its structure reversed, and as a result of it, both of its south and north boundary migrated. according to its evolution history and its feature, the authors tentatively use both - side migration model to interpret the evolution of compound forebulge. since triassic, almost all the spheres above lithosphere synchronously became flexure. because transpressional stress field became increasingly strong, bachu forebulge continued uplifting and big faults formed. then, bachu uplift, as a whole, slipped upward along those big faults and showed migrating toward thrust zone in plane. in tectonic tranquility, the lithosphere bounded back and in consequence of it, bachu uplift slipped down and showed migration toward craton, at that moment negative inversion structures developed. while the forebulge migrated toward its south and north foredeep, it was very possible that locally extensional stress appeared in the forebulge

    在印度板塊向歐亞板塊俯沖的大背景下,巴楚前緣斷隆受西南坳陷和阿瓦提凹陷的影響,新生代時構造體制發生反轉,向南北遷移。根據其發育過程特徵,作者用合前緣隆起兩端遷移模式對合前緣隆起獨特的構造發育史進行了解釋:即三疊紀以來巖石圈各圈層同步撓曲變。隨著擠壓應力場的增大,巴楚隆起在撓曲基礎上不斷抬升,成幾條大型斷裂帶。
  7. On the base of fully utilizing the available data about tectonic maps and structural elements, the present paper has made synthesized research that used the ways of stratigraphic sequence edge unconformity analysis and stratigraphic thickness correlation analysis, and combined seismic - data interpretation, review of paleo - structure and ancient landform and research of tectonic evolution and petroleum system, and combined region and location, plane and profile and time and spatial. by the synthesis analysis on tectonic evolution of hetian paleo - uplift in tarim basin, the results indicate that : ( 1 ) hetian paleo - uplift is a sedimental and erosional paleo - uplift. the formation and evolution of the hetian paleo - uplift experienced three stages, that is, the uplifting and eroding stage of the caledonian period, the depositional stage of the hercynian period and the destroying stage of the himalayan period, and evolved from paleo - lift to inclining strap at last

    本文採用地質和地球物理相結合的研究思路,運用多種技術手段和方法;在充分利用已有構造圖資料和構造要素資料的基礎上,運用地層層序不整合分析法、地層厚度對比分析法,結合地震資料的精細解釋、古構造和古地貌的恢、構造演化史研究、含油氣系統的研究,和區域和局部、平面和剖面、時間和空間的結合研究,對塔里木盆地和田古隆起構造演化及油氣關系進行了綜合分析,認為: ( 1 )和田古隆起為一沉積?剝蝕性古隆起;成於志留-泥盆紀;其構造演化可分為三個階段,即加里東期的抬升剝蝕階段、海西期的沉積階段和喜山期的破壞階段,最終由古隆起演變為一斜坡帶。
  8. The first can be called a typical huabei mcs, whose initial convections are arisen by terrain forced climb ; the second initial convections are arisen by boundary convergence lines in the afternoon, meantime the lower level cold air from huabei plain also contributes to their formation

    第1次是比較典型的華北mcc中尺度對流合體過程,它是由地強迫抬升觸發了初始對流。第2次初始對流是由午後的層輻合線觸發的,從華北平原南下的淺薄冷空氣也起了重要作用。
  9. The contents of this theory are divided into six parts, they are : ( 1 ) self - organized criticality, transient chaos, the edge of chaos and weak chaos ; ( 2 ) the coupling and interactions as well as the coherence and cooperation of multicomponents ; ( 3 ) the fractal dynamics of evolutionary processes ; ( 4 ) the spatio - temporal structures of processes ; ( 5 ) the dynamics of fractal growth ; ( 6 ) the theory of finite - size scaling

    將上述命題演繹和整合成一種廣泛適用於地質系統的地球科學的雜性理論,名之為: 「地質作用的自組織臨過程動力學? ?地質系統在混沌緣分生長」 ,並將其內容歸納成6部分: ( 1 )自組織臨性、瞬態混沌、混沌緣和弱混沌, ( 2 )多組分的耦合與相互作用及其相干與協同, ( 3 )演化過程的分動力學, ( 4 )作用的時空結構, ( 5 )分生長動力學, ( 6 )有限大小標度理論。
  10. Because its complex of mechanics characteristic, shape of geometry and boundary condition, safety of the high arch dam under normal load is what engineers are concerned about

    因其受力特徵、幾何狀、條件等均較雜,所以,高拱壩在正常荷載作用下的安全度,無疑是工程設計人員所關心的主要課題。
  11. Because it is relatively reliable in both theoretical and practical research, the rigid bed model, which is without deformation under the action of river flows, is widely used in the river hydraulic simulations. the advantages of visibility and high accuracy of the rigid bed models are evident for the complicated boundary conditions of rivers

    在河道水力模型中,尤以河床在水流作用下不發生變的定床模型應用最為廣泛,在理論上和實踐上都已比較成熟,當河段的過于雜時,其直觀、準確的優越性更為明顯。
  12. To numerically solve n - s equations, the present work is mainly focus on the following aspects : 1

    採用沿物面法向外推方法和求解橢圓型偏微分方程方法結合,進行雜外的粘性網格生成。
  13. Without any hypothesis of the propeller ' s geometry, the surface panel method satisfy the body surface boundary condition on the fact body surface, and make the geometry representation of the propeller more precise, the mathematical model is more perfect

    面元法是在實際物面上滿足物面條件,沒有對螺旋槳的幾何狀做任何假設,能更精確地描述螺旋槳的雜幾何狀,其數學模型更加完善。
  14. Analytically modeling of complicated boundary simply - connected region conformal mapping

    單連通域共映射解析建模研究
  15. In the theory of elastic thin plates, to solve the problem of rectangular overhanging plates with complicated boundary conditions is very hard for long

    摘要對于具有條件的矩外伸板,在彈性薄板理論中是一個較難解決的問題。
  16. Special analysis is made to see the impact of different boundary layer parameterization schemes on some factors which affect the heavy rainfall such as vertical velocity, divergence, vorticity, divergence of water vapor flux, se field and so on

    結果表明:雜地條件下,特別是降水有明顯日變化的地區,層的作用是十分重要的,這在暴雨時的緯向垂直環流結構中表現地非常明顯。
  17. Points interpolation method ( pim ) which is a new meshless method reduces the complexities in calculating the shape function of other meshless methods, and the hardness in dealing with the essential boundary conditions etc

    摘要點插值法是一種新型的無網格法,它改善了其他無網格方法中函數計算雜、本質條件處理困難等問題。
  18. To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented

    避免目前平面連續體結構拓撲優化過程中經常出現的單元鉸接以及「棋盤格」等現象,研究了連續體結構拓撲優化過程的拓撲分析方法,以及在計算機上實現的簡便演算法.根據代數拓撲理論,單元及連續體的作為1 -進行運算.利用圖論中的鄰接向量概念,在計算機上實現了結構的拓撲描述及拓撲運算,得到了結構在拓撲演化過程中的拓撲特性,方法簡單、可靠.在一定的拓撲約束下,根據應力分析結果,採用刪除單元、單元退化、移動節點等方法,可以用較少單元得到更為滿意的結果,提高計算效率.為演示方法的有效性,給出幾個包括常見經典問題的解答
  19. In the part sea area of the oujiang estuary which has complicated landform, the different ko are adopted in the control equations of flow and salinity process to work out the process of tide level, averaged salinity and the flow field using the invariant flow and the real process of tide level as the boundary conditions. the comparison and analysis among the computed results, the theoretic results and the computed results of two dimensional numeric model in a large area indicate that the model is applicable

    以地雜的甌江河口局部海區為例,分別採用給定恆定流以及實際潮流過程作為條件,對水流鹽度過程採用不同的k _ 0式進行了計算,給出了潮位過程、平均鹽度過程以及流場的逐時計算結果,將計算結果與相應的理論結果、實測資料以及大范圍二維數學模型的計算結果進行了驗證及細致分析,得到了較為滿意的結果。
  20. This new method has the capability of calculating complicated 3d grain burning surface. dealing with evolving interface of complicated material and topology change ( splitting. breaking. merging ), based on level set method and burning surface process law. this technique can get accurate area of burning surface each moment and data of geometrical structure that provide access to examination of grain change in the srm working process. 2

    結合固體火箭發動機燃面推移規律,在等值面函數法基礎上開發的裝藥燃面演算法能夠成功計算任意雜三維裝藥燃面,並且具有處理雜物質及其拓撲結構發生變化(如分裂、破碎、合併)的能力,能夠準確計算出發動機工作過程中各個時刻裝藥的燃燒面積,同時輸出裝藥幾何構數據直觀地觀察裝藥的變化情況; 2
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