euler equation 中文意思是什麼
euler equation
解釋
歐拉方程-
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 -彈性曲線的結構方程的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，我們用積分方法解出了歐拉-拉格朗日方程，利用killing向量場及線性李代數s1 （ 2 ， r ） 、 s1 （ 3 ， r ）和s1 （ 4 ， r ）的分類將高階結構方程降為一階線性方程，因此我們用積分完全解出了中心仿射p -彈性曲線。 -
The wing is modeled structurally by vibrational modes, which are used as amplitude of motion by a finite element analysis. conservative full - potential equation and three dimensional unsteady euler equation are used to compute the unsteady transonic flows around airfoil and wings under simple harmonic motion
以給定機翼模態分佈下機翼上各點的模態值作為運動幅值，以三維非定常全位勢方程和三維非定常euler方程為控制方程，求解三維機翼簡諧運動下的非定常氣動力。 -
Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array, a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the euler ' s theorem and the coordinate transform is introduced. the dynamic equations of minehunting sonar array with the state matrix form are founded by settling the dynamic models with the vector form. so it offers theory foundation for analyzing the dynamic characteristic and designing robust control
由於獵雷艇作為動基座的存在和聲納基陣的框架結構特點，提出了以艇體坐標系為運動坐標系，運用變形的歐拉定理和坐標變換建立聲納基陣相對自身坐標系的旋轉運動方程的建模思想；將所建立的矢量形式的動力學模型展開整理，獲得了狀態矩陣形式的獵雷聲納基陣動力學方程，為系統動力學模型的實用化奠定了基礎。 -
The classic difference scheme of euler is employed to solve the forward problem, and the truncated singular value decomposition is used to solve the ill - conditioned system of algebraic equation
用古典歐拉差分格式求解正問題，用截斷奇異值分解法求解病態方程組。 -
Linearization method for solving modified euler - painlev 232 ; equation
方程的線性化解法 -
The differentiator series solution to euler equation
歐拉方程的微分運算元級數解法 -
Euler ' s equation in the wavenumber domain
頻率域中的歐拉方程 -
Coordinate transformation, matrix, vectors, newton ' s law, conservation theorems, simple harmonic oscillator, non - linear oscillations, gravitation, euler ' s equation when auxiliany condition are imposed, the delta notation, lagrangian and hamilitonian dynamics, central - force motion, dynamics of a system o f particles, motion of noninertial reference frame, dynamics of rigid body, coupled oscillations, orthogonality of the eigenvectors, continuous system
座標變換、矩陣、向量、牛頓定律、守恆定律、簡諧振動、非線性振動、引力、尤拉式方程式及附加條件、符號、拉格蘭及漢米爾頓力學、中心運動、多粒子系統動力學、非慣性參考座標運動、剛體動力學、耦會振動、本微向量正交性、連續系統。 -
In this work, we detailedly introduced the whole ideas of rkdg finite element method and the theory of constructing gas - kinetic schemes based on boltzmann equation. and then presented a kind of new computational method for solving id and 2d compressible euler equations, i. e. firstly, we discretize euler equations in the space with discontinuous galerkin finite element method ; secondly, we discretize temporal variable t with runge - kutta formula ; thirdly, for numerical fluxes constructing, we give two kinds of different numerical fluxes - kfvs and bgk numerical fluxes by using gas - kinetic schemes
本文分別對rkdg有限元方法的整個思想和基於boltzmann方程的分子動力學格式的構造思想給予了詳細的介紹，並分別結合rkdg有限元方法與kfvs數值通量和bgk數值通量的構造方法，給出了一種求解一維、二維可壓縮流體力學方程組新的計算方法，即，我們先用間斷有限元方法進行空間離散，然後再對所得到的半離散格式使用runge - kuttatvd方法進行時間離散，得到全離散格式。 -
The purpose of this paper is to present a numerical methodology for simulating the flow of shock tunnel. the numerical approach uses a maccormack scheme or s - w spiliter for the quasi - one - dimensional euler equation coupled with real gas effect. a simple method is used to track contact discontinuities
採用maccormack格式及s - w分裂方法求解準一維euler方程，考慮高溫下分子的振動、氣體和壁面間的摩擦和傳熱，根據高壓段的氣體質量守恆的方法來跟蹤接觸間斷。 -
With which this paper develops a plat to get 3d geometries " euler equation flow solution using jameson ' s finite volume method ( fvm ) techniques
本文通過對三維直角切割網格生成方法的研究，應用jameson的有限體積法建立了一個基於直角切割網格技術的流場計算軟體。 -
According to the classical theory of thin - walled members this paper presents the derivation of energy equation under restrainted conditions, and a elastic restrainted stiffness matrix of thin - walled members is derived. continuous restrants and discrete restraints are considered in the energy equation. euler - equation of the derived energy equation is testified
根據薄壁構件彎曲與扭轉理論，對彈性約束條件下薄壁構件的能量方程進行了推導，再根據總勢能最小值原理推導出彈性約束條件下薄壁構件的單元剛度矩陣。能量方程中考慮的約束情況有連續的線彈性約束和離散的彈性點約束。 -
Classifying the real and imaginary part of the euler equation proves that the selection of structure indexes will affect largely depth parameter or depth location of the source but less lateral parameter or horizontal location of the source
驗證了使用相同場源的不同異常時，構造指數是不同的；通過對方程實部及虛部的劃分，證實了構造指數的選取直接影響著所確定的縱向參數即場源深度，而對橫向參數即場源水平位置的影響不大。 -
The ns solver is developed from euler equation code by adding viscous terms and two - equation turbulence models. in order to get a better result, the improved jameson second and forth artificial dissipation is used, the implicit residual averaging and local time step techniques are employed to accelerate the convergence processing
本文是在歐拉方程求解器的基礎上，通過加入粘性（耗散）項，把流場的主控方程由歐拉方程（ euler ）改為ns方程，然後引入兩方程湍流模型，使其封閉。 -
At last, a better idea is presented : in fact, the problem of computing the shape distance between two open curves can be changed to the problem of a functional extremum, therefore, we can get the shape distance through solving an euler equation
本文在最後還證明了這樣一個結論，兩條平面開曲線的形狀距離的計算問題可以轉化為一個泛函的極值問題，於是通過解一個歐拉方程就可以求出兩條開曲線的形狀距離。 -
In chapter one, we consider the characteristics - mixed finite element numerical simulation for the euler equation for an incompressible fluid with zero viscosity in two dimensions
本文討論了兩類發展方程二維不可壓無粘流問題和線性積分微分方程的數值模擬。 -
4 ) the euler equation is solved for the combination of wingbody by means of the finite volume method on the unstructured grids. several methods are used for quick convergence and the results are in correspondence with the experiment data
（ 4 ）應用格心格式的有限體積法對翼身組合體繞流進行了euler方程的數值模擬，同時引入各種加速收斂措施，與實驗相比，得到了較為滿意的計算結果。 -
Our researches in this paper give the solution to the problems above. and we successfully finish the aerodynamic optimization. the advances achieved in this paper are as follows : solving the euler equation with lu - sgs implicit algorithm on unstructured grids, mesh reordering will bring on imbalance
本文在研究過程中，對上述問題提出了相應的解決方法，並研製了相應的計算程序，使得結合模擬退火演算法與正交分解的優化設計過程獲得了成功。 -
Euler equation for turbomachine
歐拉渦輪機方程 -
The full potential equation is solved by the time - accurate approximate factorization algorithm and internal newton iterations, and the euler equation by the finite - volume resolution scheme and dual - time stepping
對全位勢方程採用精確隱式近似因式分解差分格式、牛頓內迭代演算法。對euler方程採用有限體積法和雙時間推進。
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