boundary geometry 中文意思是什麼

boundary geometry 解釋
邊界幾何形狀
  • boundary : n 邊界,疆界,限界 (between);(球場)邊線;界標;界限,范圍,分野。 aboundary dispute 邊界糾紛...
  • geometry : n. 1. 幾何學。2. 幾何形狀。3. 幾何學著作。
  1. The equations of workspace boundary surfaces for double - octahedron variable geometry truss pmts are derived based on surface analysis method. the projection and section curve grapha of workspace boundary surfaces for double - octahe

    推導出了zrps ztps型及m 3tps型並聯機床運動學分析的一階和二階影響系數矩陣,得到了其運動學模型。
  2. S. consideration of interaction on the nonlinearity about the material, the geometry, and the boundary of the columns subject to axial force. biaxial hending, and torsion, an analytical model of hysteretic curve of columns is presented, based on the sectional cross - sectional discrete yieldsurface inodel, the bond slip in anchorage zones regarded as the boundary nonlinearity of a memher. and the iterative procedure of displacement of inner nodes on the basis of the hamonization of displacement

    5 、根據構件分段截面離散的屈服面模型法,把錨固區粘結滑移看成構件的邊界非線,以及基於位移協調的內結點位移迭代法,建立了能考慮構件壓(拉) 、雙彎、扭的材料、邊界、幾何非線性相互影響的柱空間滯回曲線分析模型。
  3. In this paper. the conclusion of this paper has utility meaning in analysis on turbine blades cooling after some proper correcting of the geometry structure and boundary conditions

    由於所採用的結構及計算域近似渦輪葉片的冷卻形式(主流加熱,內流通道冷卻) ,因此這種方法經過進一步的改進,可用於渦輪葉片冷卻的計算研究。
  4. Doctor candidate : yan qiwu supervisor : prof. slien pllsheng iii this thesis, a systematic theory on spatial elastic - plastic time - history analysis of reinforced concrete frame - tube structures tinder strong multiple earthquake excitations is established. covering problems about materal, rnember and structural system considering about the nonlinearity of material, geometry and boundary

    木文考慮了材料、幾何、邊界非線性,建立了從材料、構件到結構的一個較為系統的鋼筋砼框筒結構在多維地震波作用下的空間彈塑性時程分析理論。
  5. The paper has improved the existing lifting - line and lifting - surface design method by including the rake and skew and solving the optimum circulation distribution with the optimum theory. the blade geometry is expressed with b - spline for the lift - surface method. the boundary condition on the blade is transformed to minimize the summation of the square of normal velocities, the fair blade geometry can be obtained by present technique and the design quality is better

    改進了現有的升力線和升力面設計方法,在升力線設計中計及槳葉的縱傾和側斜的影響,用優化理論求解最佳環量分佈,升力面設計中用b樣條來擬合槳葉,將物面邊界條件轉化為求法向速度分量的平方最小,由此可得到光順的槳葉幾何形狀,提高和改進了設計質量。
  6. 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。
  7. 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邊界條件,沒有對螺旋槳的幾何形狀做任何假設,能更精確地描述螺旋槳的復雜幾何形狀,其數學模型更加完善。
  8. In geometry fitting, we introduce the scattered data interpolation technology, and by using the corresponding points on the shared boundary between the given facial mesh and the organ to be pasted, the facial mesh can be automatically fitted to the organ to be used. and in texture fitting, we extend the improved field - based morphing algorithm to the corresponding texture map, and with the preprocessing of the histogram - matching method we can obtain smooth replacing result in the texture map

    在紋理上,將改進的場變形演算法拓展到人臉模型對應的紋理圖上,不但完成了紋理圖中對應器官區域的替換,同時通過引入以點到邊界距離的函數為權重的線性插值,實現了在替換器官區域從目標圖像到源圖像的均勻過渡;又通過引入直方圖規定化的技術,解決了由於膚色相差較大而產生的邊界不能平滑過渡的問題。
  9. We generated its grid surface on the fuselage or missile body according to the geometry projection relation between aerodynamic components and the bilinear interpolation approach. finally, we successfully developed a new algebra grid generation technique in virtue of the improved four - boundary interpolation. in this thesis, we put emphasis on the researches of aerodynamic inverse design and drag reduction questions for airfoil and wing using euler equations and control theory proposed by jameson

    ( 2 )進行了應用控制理論和二維歐拉方程的翼型氣動反設計,以及有升力約束情形下翼型跨音速減阻問題研究,分別推導了相應的共軛方程及邊界條件的數學形式,並給出了相應的梯度求解公式形式,研究發展了共軛方程及梯度的數值求解方法,成功進行了多個翼型的反設計和減阻問題研究。
  10. Theoretic solution for rectangular thin plate with arbitrary boundary conditions by symplectic geometry method

    四邊任意支承條件下彈性矩形薄板彎曲問題的解析解
  11. 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。
  12. Based on the conditions of electromagnetics principle, of actuation effect of piezoelectric materials, of the mechanical balance equations, of the geometry equations., of the boundary conditions of the piezoelectric active member and the application of finite element method, the dynamic equation of piezoelectric active member is formulated

    本文從電磁學原理,壓電方程,機械力的平衡方程和幾何方程出發,利用主動構件的邊界條件,用有限元方法得到了主動構件的動力學方程。
  13. 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。
  14. The projection and section curve graphs of workspace boundary surfaces for 6 - sps type pmts are drawn. results of analysis show that the theoretic workspace of 6 - sps trpe pmts is enveloped by 30 surface patchs. input and output ewtons of displacement analysis for double - octahedron variable geometry miss pmts are established, analytical expressions for determining singuledty configuration are derived

    分別推導出了znys ztps型、 ips 3tps型和ipt ztps型並聯機床奇異倉形判別的解析表達式,得到了奇異曲面方程,並由邊界曲面分析方法得到了lps 3tps型和ipt ztps型並聯機床的工作空間,文中給出了以上混聯結構並聯機床奇異位形與工作空間分析的數值實例。
  15. We establish the continuous dependence on the initial values and the spatial geometry in an initial - boundary value problem for the generalized maxwell - cattaneo system with no prescribed value for temperature t on boundary

    值得注意的是問題只對熱流得出了邊界上的dirichlet條件,對溫度未給出邊界值條件,這一點在數學上物理上更合理。
  16. The rayleigh - ritz method is used to lead to analytical expressions for the stiffness and mass matrices and load vector as well as their sensitivities, which uses the simple polynomials to define assumed displacement functions, geometry and construction of wing structures. excluding some selected terms from the displacement functions or using stiff springs at the specified locations imposes boundary conditions. the accuracy of calculated results is improved by including transverse shear effects and using multiple sets of ritz functions in the analysis

    它使用簡單多項式作為ritz基函數、定義翼面的幾何和結構參數,利用rayleigh - ritz方法導出翼面結構的剛度矩陣、質量矩陣和載荷向量及其靈敏度的解析表達式,通過排除位移函數中某些選定的項或在指定點使用約束彈簧施加各種邊界條件,考慮橫向剪切變形和使用多組ritz基函數改進分析的質量,使用等效蒙皮和等效夾芯技術提高計算效率。
  17. This paper has a further study on the key technology called validity maintenance mechanism in semantic feature modeling in order to maintain the intent of designers and satisfy them. the method combines geometry model and semantic feature modeling, setting up new feature representation 、 cell element naming and identification method. in the meantime, a history - independence interactive feature boundary re - evaluation algorithm is presented based on feature editing. moreover, the validity recovery mechanism after invalid feature operation can maintain the original feature model. the above ideas have been realized on hust - caid ( computer aided industry design system developed by harbin university of science and technology ) preliminarily

    為了能夠正確地維護設計者的設計意圖和滿足用戶的需求,本文在原有造型的基礎上對語義特徵造型中的關鍵技術即有效性維護機制進行深入的研究,將幾何模型,語義特徵模型結合起來統一進行研究,建立了語義特徵造型在產品模型設計過程中特徵表示方法的新理論、細胞元素命名方法和辨別機制,同時對系統原有特徵編輯過程進行了研究,提出了獨立於歷程樹的特徵邊界重構演算法以及模型操作無效時的有效性恢復方法。
  18. The mathematical model and boundary condition of soil temperature field in finite region was established through analysis geometry model of underground heat oil pipeline

    通過分析埋地熱油管道的幾何特性建立有限區域內停輸時熱油管道土壤數學模型和確定邊界條件。
  19. In order to study the regeneration mechanism of dpf in detail, we still need a mathematical model of the channel unit, which present temperature field and the soot reaction rate of the channel. finally, it points out the influences of various factors to the regeneration process by computing the numerical solution of model under different boundary conditions and geometry parameters, such as the initial temperature, the gas flow rate, the oxygen concentration, the sediment quantity and the wall thickness of the filters, and so on. in this way, the paper provides theoretical guidance for optimization design of the dpf

    首先研究了干凈壁流式過濾體的加熱特性,然後在加熱和燃燒理論的基礎上建立了微粒捕集器再生過程的數學模型,並對模型進行了數值計算,得到了捕集器內部的三維溫度場分佈以及溫度梯度分佈,結果與實驗值吻合較好,驗證了模型的正確性;為了詳細的研究微粒捕集器的再生機理,建立了孔道單元數學模型,得到了孔道內的溫度場分佈和微粒反應速率分佈;最後,通過求解模型在不同邊界條件和不同幾何參數下的數值解,分析了各種因素對再生過程的影響,如過濾體初始溫度、過濾體內氣流的流動速率、氧濃度、微粒沉積量以及過濾體壁面厚度,為微粒捕集器的優化設計提供理論指導。
  20. We propose a new 3d plenoptic function method - boundary light field, which works with rough geometry model of scene objects

    本文在同心拼圖方法的基礎上,提出了一種新的與場景幾何相結合的3d全光函數方法?邊界光場。
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