邊界幾何形狀 的英文怎麼說

中文拼音 [biānjièjīhéxíngzhuàng]
邊界幾何形狀 英文
boundary geometry
  • 邊 : 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...
  • 界 : 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...
  • 幾 : 幾代詞1. （多少, 用於詢問數量和時間） how many 2. （表示不定的少數目） a few; several; some
  • 狀 : Ⅰ名詞1 （形狀） form; shape 2 （情況） state; condition; situation; circumstances 3 （陳述事件或...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. The effects of reynolds number, back surface of nozzle, aft - dome configuration and degree of submergence on aft - end internal flow were studied by both cold gas simulation and numerical simulation. it is showed that the separated flow is sensitive to the change of reynolds number and aft - end cavity configuration

    最後，利用冷流模擬與數值模擬相結合的方法，研究了雷諾數、噴管背壁形狀、后封頭形狀和潛入深度對燃燒室尾部流場的影響，結果表明流動的分離對雷諾數和背壁區幾何邊界的變化很敏感。
  2. 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。
  3. 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。
  4. 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。
  5. Obtained numerical simulation results of flow fields include the resistance and efficiency performance, with the geometrical boundary completely according with the actual one and nothing being simplified. 2

    在幾何邊界形狀上嚴格反映物理真實而不作任何簡化，獲得了包括阻力特性和效率特性在內的計算結果； 2
  6. In practical projects, the boundary shape irregularity of the lake, reservoir, river and estuary area and the non - linear character of hydrodynamic equation make it difficult to get the theoretical solution of the equation, so the numerical solution has to be the only a choice

    由於實際工程中湖泊、水庫、河流、河口區域邊界幾何形狀的不規則，以及水動力學方程的非線性性質，使得理論分析解難以作出，只能求助於數值解。
  7. Radiation modes are dependent on the radiator ' s geometry shape and vibration frequency, but are not relative to the material characteristic and the border condition of the radiator. further more, the radiation efficiency of the radiation modes falls off very rapidly with the increase of modes order at low frequency. the adjoint coefficient of sound radiation modes is proportional to the corresponding sound radiation power

    聲輻射模態由輻射體的幾何形狀和振動頻率決定，與輻射體本身的材料特性以及邊界條件無關；特別是在中低頻率時，聲輻射模態對應的輻射效率隨模態階數的增加而迅速降低。
  8. The numerical simulation of the inlet flow fields in the gas turbine. obtained numerical simulation results of flow fields include the uniformity, with the geometrical boundary completely according with the actual one and nothing being simplified

    在幾何邊界形狀上嚴格反映物理真實而不作任何簡化，獲得了整個進氣系統地流場分佈狀況和壓氣機進口截面的不均勻度。
  9. The form - finding of cable - pole structure is the course to seek rational structure geometry and the distribution of prestress force by the geometry relation of the setting. but the form - finding of membrane structure is the course to seek rational structure geometry by certain border terms and prestress force

    索桿體系的找形是由給定的幾何關系尋求合理的結構幾何及預應力分佈的過程，膜的找形是由一定的邊界條件及預定先給的預張力尋求合理的結構幾何形狀的過程。
  10. The moment method is used to calculate the rcs of three - dimensional targets in this paper. these targets include conducting targets, dielectric targets and coat targets. triangular patches are used to model the surface of the target, then electric field integral equation ( efie ) and magnetic field integral equation ( mfie ) are built which satisfy the boundary conditions. the rwg vector base functions are used to denote equivalent electric current and magnetic current on the surface of the target. finally use the galerkin method ( rwg vector base functions are basis function and test function ) to transform integral equations into matrix equation. when obtain the equivalent electric current and magnetic current, we can calculate the scattering field and the rcs of the target

    本文利用矩量法計算了三維導體目標、介質目標、塗層目標的雷達散射截面。首先採用三角形面元對物體表面幾何形狀進行模擬，然後建立滿足邊界條件的電場積分方程（ efie ）和磁場積分方程（ mfie ） ，將物體表面的等效電磁流用rwg矢量基函數表示，最後利用伽略金法（ rwg矢量基函數既作為基函數又作為檢驗函數）將電磁場積分方程轉化為矩陣方程求解未知電磁流系數，得到了表面的等效電磁流后，可以計算散射場和目標的雷達散射截面。
  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. 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。
  13. In the beginning of this thesis, types and characteristics of intelligent material elements have been introduced. and the basic equations of piezoelectric material have been given. then according to hamilton principle, both the static and dynamic finite element equations for the intelligent structure are formulated with isoparametric element of bending plate or bending beam

    在本論文的開始，簡要介紹了智能材料元件的種類和性質，並給出了壓電材料的本構方程，然後根據hamilton原理，採用任意等參四邊形板梁彎曲單元，導出了智能梁的靜態、動態有限元方程；對于復雜幾何形狀或邊界條件的一般結構，根據三維有限元模型，導出三維動態有限元方程。
  14. However, it is found that there is a certain relationship between simulated result of non - uniform horizontal ground stress and geometrical shape of calculation model : the greater the width to height ratio of the calculation model is, the more unsatisfactory the simulation validity is and the greater the difference between practical ground stress and simulated stress is

    通過簡單模型的模擬試驗，發現採用這種應力邊界條件對水平地應力的模擬效果與計算模型的幾何形狀之間有一定的關系：計算模型的寬高比越大，模擬效果越不理想，與實際的地應力狀況相差越大。
  15. A new kind of numerical method, the statistical distributed source boundary point method ( sdsbpm ), used to calculate the acoustic radiation problem caused by the random vibrating body is presented ; a test for the effectiveness of the sdsbpm is carried out on the aspects of its calculation precision, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions

    第四章提出了一種新型的隨機振動聲輻射計算方法?統計分佈源邊界點方法；通過諸多不同邊界曲面和不同邊界量分佈的隨機振動聲輻射算例，從計算精度、對振動體表面幾何形狀的適應性以及克服解的非唯一性等方面，對統計分佈源邊界點方法的有效性進行了考證。
  16. The formulation for the error analysis of acoustic radiation problem calculated by the boundary point method ( bpm ) is put forward ; the physical explanation of the boundary point analysis of the acoustic radiation problem is given ; the influence of the particular solution on the calculation stability of the bpm is studied ; the etthanced volume source boundary point method ( evsbpm ) is presented ; a test for the effectiveness of the evsbpm is carried out on the aspects of its calculation precision, calculation speed, calculation stability, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions

    第三章導出了邊界點方法分析振動聲輻射問題的誤差估計理論公式，揭示了邊界點方法分析振動聲輻射問題的物理本質；研究了特解場的局部特性對邊界點方法的數值穩定性的影響；改進了現有的特解場構造方法，提出了改進體積源邊界點方法；通過諸多不同邊界曲面和不同邊界量分佈的聲輻射算例，從計算精度、計算速度、計算穩定性、對振動體表面幾何形狀的適應性以及克服解的非唯一性等方面，對改進體積源邊界點方法的有效性進行了考證。
  17. 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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