歐拉方法 的英文怎麼說

中文拼音 [ōufāng]
歐拉方法 英文
euler's method
  • : 名詞1. (姓氏) a surname 2. (歐洲的簡稱) short for europe
  • : 拉構詞成分。
  • : 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 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
  1. The arabian architectural method is of special interest because in many ways it would be a dangerous failure in a wet, european climate.

    伯的建築令人十分感興趣,因為若將它應用於潮濕的洲氣候地區,在很多面都可能造成危險的事故。
  2. This paper use the ncep / ncar day - to - day reanalysis data of 500hpa high field and so on, choose ural mountain, baikal, okhotsk as the key district, the mid - high latitude of eurasia circulation courses that have long duration ( scale of time is middle, namely during 10 - 30 day ), maybe continue continuously after being intermittence of 1 - 2 days in middle, appear repeatedly is for research object, define an index " i " of the circulation pattern over mid - high latitude of eurasia. a method is proposed to identify the summer typical persistent circulation pattern at 500hpa levels over eurasia mid - high latitude. the climate characteristics of those typical persistent circulation patterns are studied

    本文利用ncep / ncar再分析逐日500hpa高度場等資料,選擇烏爾山、貝加爾湖、鄂霍次克海這三個地作為關鍵區,以夏季亞中高緯度持續時間長(時間尺度屬于中間時間尺度,即10 ? 30天之間) 、中間可能會間歇1 、 2天然後又繼續持續、反復出現的環流過程為研究對象,定義了一個夏季亞中高緯流型指數,在此基礎上提出了一種對夏季亞中高緯500hpa典型持續流型的界定,研究了典型持續流型的氣候特徵,分析了流型指數的年代際變化,以及對應不同階段、不同流型的降水場、加熱場、海溫場等的主要特徵。
  3. Asymptotic stability of midpoint euler method for delay differential equations

    時滯微分程中點的漸近穩定性
  4. For the regular curves, we find two killing fields for the purpose of integrating the structural equations of the p - elastic curves and express the p - elastica by quadratures in a system of cylindrical coordinates. for the star - like affine curves, we solve the euler - lagrange equation by quadratures and reduced the higher order structure equation to a first order linear system by using killing field and the classification of linear lie algebra sl ( 2, r ), sl ( 3, r ) and sl ( 4, r ). we solve the centroaffine p - elastica completely by quadratures

    對于正則曲線的情形,我們發現了兩個用於求解p -彈性曲線的結構程的killing向量場並用積分將p -彈性曲線在一個柱面坐標系中表示出來,而對仿射星形曲線的情形,我們用積分解出了-格朗日程,利用killing向量場及線性李代數s1 ( 2 , r ) 、 s1 ( 3 , r )和s1 ( 4 , r )的分類將高階結構程降為一階線性程,因此我們用積分完全解出了中心仿射p -彈性曲線。
  5. This dissertation studies the exterior ballistics characteristics of the target sensitivity projectile ( tsp ) in detail, first simplifies it ' s model, analyses the dynamic relation of three rigid bodies among friction plate, parachute and projectile with the method of r - w multi - bodies

    對末敏彈實體模型簡化后,運用多剛體動力學中的r - w和牛頓-歐拉方法對末敏彈系統各剛體之間的力學關系進行了分析,建立了末敏彈運動的數學模型。
  6. Compared with octree data structure, the omni - tree data structure could reduce the meshes " total numbers and get better mesh quality. this paper uses cell - centered finite volume spatial discretization and four - stage runge - kutta time - stepping scheme with some convergence acceleration techniques such as local time stepping and enthalpy damping

    在流場計算中,本文採用格心格式的有限體積用二階中心差分對程作空間離散,用四步龍格庫塔作顯式時間推進。
  7. The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed

    對由前向爆轟產生驅動氣體並具有局部錐形收縮截面的軸對稱激波管利用兩相常比熱完全氣體的程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界面處數值振蕩的新成功地推廣到二維情況。分析了該激波管的力學特性。
  8. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    ( 3 )進行了應用控制理論和三維程的機翼氣動反設計研究,以及有升力約束情形下機翼跨音速減阻問題研究,分別推導了相應的共軛程及邊界條件數學表達形式,研究與發展了三維共軛程的有限體積數值求解,及相應梯度公式的數值求解,通過對計算網格生成、流場計算、共軛程數值求解、梯度求解和優化演算等多面的有效結合,成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序,成功地進行了多個設計算例研究。
  9. The differentiator series solution to euler equation

    程的微分運算元級數解
  10. 2. the updating algorithm of strapdown matrix is one of the crucial techniques of sins. there are several kinds of attitude updating algorithms of sins, such as direction cosine algorithm and quaternion algorithm

    捷聯矩陣更新演算是捷聯系統的關鍵技術之一,捷聯慣導系統姿態演算向餘弦、四元數和圓錐補償演算等幾種
  11. According to the fluid mechanics, euler ' s method, and the concepts of traffic flow system and control field are proposed

    參照流體力學,提出研究交通流的歐拉方法、交通流系統和控制域的概念。
  12. The dynamical modeling methods of serial or paralle marchines usually include the vector mechanics method whose representative is newton - eula equation, the analysis mechanics method whose representative is lagrange equation, and the kine method which has both excellences of vector mechanics and analysis mechanics

    機械多體系統動力學的建模通常有以牛頓? ?程為代表的矢量力學;以格朗日程為代表的分析力學;和兼有矢量力學和分析力學優點的凱恩
  13. The present thesis solves euler equations with quick parallel computing methods on grids. based on schwarz parallel algorithms, collectivity flow field numerical value solver can be gained via evaluating interface boundary cells by passing information

    本文的主要目的是并行快速求解程數值解,是以schwarz并行演算為理論依據,通過信息傳遞對內邊界單元賦值,以得到總體流場的數值解。
  14. In chapter two, sph is comment ed synoptically, its fundamentals is reviewed, and sph formulae of euler equations are derived. in chapter five, several fundamental problems occurring in sph implementation are discussed detailedly, e. g

    文中第二章在概括性地予以評述之後,系統地介紹了sph的基本原理,推導出程的sph形式。
  15. 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,研究發展了共軛程及梯度的數值求解,成功進行了多個翼型的反設計和減阻問題研究。
  16. Only the euler method is popular and efficient among the numerical methods for the stochastic delay differential equations, but its order of convergence is only 1 / 2

    摘要隨機延遲微分程數值歐拉方法是唯一較為成熟、有效的,但歐拉方法的收斂性差,其收斂階僅為二分之一。
  17. For a class of special stochastic delay differential equations, i. e. the stochastic delay differential equation with small noise, the exacter order of convergence is obtained and it shows that the euler method nearly converges with the order 1

    針對一類特殊的程即小噪聲隨機延遲微分程,給出其歐拉方法更精確的收斂階,表明歐拉方法是近似1階改斂的。
  18. In this thesis, finite volume method and dual - time stepping method are employed to solve the 3 - d unsteady euler equations. the unsteady flow field around a finite - span flapping wing is simulated. the lift and thrust of the flapping wing for different cases are calculated

    本文運用有限體積結合雙時間推進技術求解三維非定常程,模擬了有限翼展機翼在同時具有上下拍動和俯仰運動狀態下的非定常流場,計算了不同狀態下撲翼的升力及推力,分析了各個影響因素對撲翼氣動特性的影響。
  19. The main numerical method of this code is coming from scheme ( jameson, schimit and turkel ) : using cell - centered finite volume method as spatial discretization tools, and a system of ordinary differential equations for time variable is obtained, which is solved by utilizing five - step runge - kutta scheme as time marching method, introducing artificial dissipation to damp high frequency oscillations near the shock and stagnation point

    本論文採用程作為控制程,利用中心有限體積進行空間離散,得到對時間變量的常微分程組,採用龍格庫塔多步進行時間積分,加入人工粘性以消除激波和駐點附近的壓力振蕩等來對naca0012翼型的實際流動進行并行數值模擬。
  20. Numerical methods of multicomponent flowsof non - conservative euler equations

    多介質流體非守恆律程組的數值計算
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