complex geometry 中文意思是什麼
complex geometry
解釋
復幾何-
The trajectory of antisubmarine homing torpedo is a complex space curve, so there is big limitation in accounting its trajectory length by plane geometry
由於反潛自導魚雷的彈道是一條復雜的空間曲線，因而平面幾何解析法求解其彈道長度有較大的局限性。 -
First, the geometric properties of the sum of the segments in the complex plane are proved, based on which, the robust problem is interpreted as a special point location problem of computing geometry
-穩定性問題。證明了在復平面上多個線段和的幾何性質。在此基礎上，將魯棒問題轉化為計算幾何中的點定位問題。 -
The relationships between these spray parameters and the injector geometry are very complex and much still is to be learned.
這些噴霧參數和噴注器幾何特性之間的關系是很復雜的，有許多問題仍需要進一步探討。 -
History is not linear and agriculture is not plane geometry. human behavior is more complex than that
歷史是非線形的，農業亦非平面幾何，人類的行為則更為復雜。 -
This complex network changes due to small variations in cable geometry ( construction ) from cable to cable which affects capacitance and inductance somewhat
這個復雜電路之所以變化是因為不同導線的幾何參數的微小變化會改變其電容和電感。 -
Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters
本文針對我國公路隧道多為大跨度、扁平、幾何形狀呈多樣化的特點，通過深入分析目前隧道支護結構設計中存在的各種問題，抓住高等級公路長大隧道設計中隧道結構斷面的優化選型及隧道支護結構的穩定性與承載能力兩個核心問題，引入結構優化理論中的簡易復合形優化方法，深入探討了滿足建築限界、通風條件、受力狀態約束等條件下公路隧道襯砌斷面優化設計模型，提出了三種襯砌斷面形狀（單心圓、坦三心圓和尖三心圓）的優化選型方法，建立起一套完善的高等級公路長大隧道的系統優化設計理論與方法，並開發出相應的計算機程序，用於擬建的上海至瑞麗國道主幹線湖南省邵陽至懷化高速公路雪峰山長大高速公路隧道的結構斷面優化選型，得出了一系列較為合理的支護結構設計參數。 -
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、幾何形狀、邊界條件等均較復雜，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。 -
Based on a certain space, we define several basic topological relationships. thus other complex topological relationships can be deduced efficiently independent of geometry embedding
本文提出了一種三維空間拓撲結構，基於一定的空間劃分，通過幾種基本的拓撲關系的定義，能夠不依賴幾何嵌入，快速推導出各種拓撲關系。 -
Large structures such as automobile body - in - white, are generally complex systems welded together by hundreds of stamping sheets with different geometry shapes
摘要白車身等大型結構通常是由幾百個不同形狀的沖壓薄板焊接而成的復雜系統。 -
In this article, constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model. with these reasonable simplied modles, numerically simulating the flow field in the plasma ignition. during the numerical simulation, applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods, it can get flow field distribution ; including temperature, pressure, turbulent kinetic energy and its dissipation rate, turbulent viscosity, velocity, density. these results are significant to design and improve the plasma ignition
本文旨在通過構造反映等離子點火器內部流動規律的基本方程組，建立描述等離子點火器內部的復雜物理化學過程機制數學模型：模擬等離子發生器內部燃燒的-雙方程湍流流動模型；模擬氣體燃料在燃燒時中化學反應的簡單化學反應系統模型；模擬等離子點火器內部湍流預混燃燒的漩渦破碎模型；模擬等離子點火器高溫燃氣及其壁面的p - i輻射換熱的模型等等，對模型進行一定的合理的簡化，然後數值模擬等離子點火器內部流場的流動。 -
Numerical methods currently used cannot fit the complex geometry well because of the utility of rectangle and orthogonal curvilinear grids
但是，數值模型多採用矩形網格和正交曲線網格，對自然界復雜的幾何邊界適應能力較弱。 -
In the past few years, the pm method has been developed to fabricate metal foams. it can be used to produce foamed metals with excellent properties and complex geometry
近年，粉體發泡法不但可制備出性能優良的泡沫金屬，而且可制備出結構復雜的零部件。 -
On the basis of the traditional elasticity theory, nonlinear theory, ultimate theory and theory of reinforced concrete slabs with simple - supported condition, this paper analyzes the whole process of reinforced concrete thin slabs in the loading test of distributing static load, on the objects of reinforced concrete thin slabs with complex geometry, complex boundary condition and distributing of reinforce bars. and then analyzes the load capacity under the effecting of static load
本文在傳統的鋼筋混凝土彈性理論、非線性理論和極限理論以及在簡單支承條件下的鋼筋混凝土板理論的基礎上，以復雜幾何形狀、邊界條件及配筋形式的鋼筋混凝土薄板為研究對象，對其在靜力分配梁加載下的加荷試驗的全過程進行分析，並對其在靜荷作用下的受力性能進行分析。 -
Design of graphical interfaces, design of menus, design of dialog boxes and design of plotting program is investigated. then visualized interface and visualized system of disposing data is appended for " nonlinear finite element ultimate analysis of reinforced concrete thin slabs with complex geometry & boundary condition " finally, according to the research, some feasible advice is put forward for engineering design
對圖形界面的設計、菜單的設計、對話框設計、繪圖程序的設計等進行了探索，為「復雜幾何形狀和邊界條件鋼筋混凝土薄板非線性有限元極限分析程序」 ，添加了可視化的界面和數據前後處理的可視化系統。 -
C ) including thermal radiation effects by the six - flux model of radiation. d ) applying the curvilinear coordinate system for the complex geometry of diffusers
採用了適用於三維問題的六通量輻射模型對燃燒室內的輻射換熱進行數值模擬； d -
Through the research in this thesis, following conclusion can be drew : on the condition of nearly incompressible limit, the n - s equations can be recovered by the lb method ' s models with 2 - order numerical precision ; computational efficiency in simulating flow fields can be improved effectively by perfection of the lb method ' s theory ; development of parallel computation can contribute to the simulation of large - scale flow field with complex geometry
通過本文的研究，可得出如下結論： lb方法的模型在接近不可壓縮的條件下能夠以二階精度逼近n - s方程； lb方法理論的完善能夠有效地提高流場模擬的計算效率；并行計算的發展有利於lb方法模擬大尺度的復雜流場。 -
The vacuum infusion molding process ( vimp ) is becoming increasingly popular as a new type of liquid composites molding process for the production of large composite parts with complex geometry, whose outstanding process properties make it the most competitive manufacturing technology with high quality and low cost
真空注射成型工藝（簡稱vimp ）是一種制備大型、加筋異型、幾何形狀復雜構件的復合材料液體模塑成型新技術。 vimp優越的工藝性能使其成為當今國際上炙手可熱的高性能低成本復合材料製造技術。 -
The finite element method suits specially in the solution of complex geometry structure and the inhomogeneous medium electromagnetic problem
有限元法特別適合於解決復雜幾何結構和非均勻媒質的電磁問題。 -
It has been representing the promising development direction of composites manufacturing techniques with high quality and low cost due to its outstanding operation for large structure or function parts with complex geometry in one step
該技術可實現一步浸滲成型帶有夾芯、加筋、預埋件的大型結構功能件，是高性能低成本先進復合材料制備技術的主要發展方向。 -
And then, according to finite element theory of reinforced concrete, the main calculating program of " nonlinear finite element ultimate analysis of reinforced concrete thin slabs with complex geometry & boundary condition " is made by using the triangle layered - assembled element of elastic thin slabs and the stress - strain relation by considering concrete as anisotropic material under effecting by two - way stress, and the concrete material model presented by darwin and pechnold, and the yield criterion of concrete presented by kupfer and gerstle
然後根據鋼筋混凝土有限元理論，以三角形分層組合式的彈性薄板彎曲單元為基礎，考慮混凝土為各向異性材料在雙向應力作用下的本構關系，採用darwin和pechnold的混凝土材料模型和kupfer與gerstle等人研究的混凝土破壞準則，編制了「復雜幾何形狀和邊界條件鋼筋混凝土薄板非線性有限元極限分析程序」中的核心計算程序。
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