euler method 中文意思是什麼

euler method 解釋
歐拉法
  • euler : 奧伊勒
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Asymptotic stability of midpoint euler method for delay differential equations

    時滯微分方程中點歐拉法的漸近穩定性
  2. Theoretical analysis and numer - ical experiments show that bdf method of order two is indeed superior to the commonly used backward euler method and crank - nicolson scheme

    理論分析和數值試驗表明該方法明顯優于以往常用的向後euler法及grank - nicolson格式。
  3. The chimera embedding technique is presented for the external store separation configuration. it divides the whole region into many subdomains. euler equations are used for every subregion with the finite volume method

    本文採用嵌套網格技術，將飛機投放外掛物的模型分成多個計運算元域，對飛機投放外掛物的復雜外形進行了分區迭代求解。
  4. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本無振蕩（ weno ）格式及其在雙曲守恆律方程中的應用，在此基礎上作了兩個方面的工作：一是針對高頻聲波問題構造出一種基於保色散關系（ drp ）的weno有限差分格式，並對計算氣動聲學（ caa ）問題的代表性算例進行了大量數值實驗，比較了該格式捕捉波數的能力；另外，針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題，研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法，並且給出有代表性的密度滑移面問題的算例，得到一致高階精度的數值模擬結果。
  5. The maximum coordinates method is applied in this study. euler parameters and cartesian coordinate are used to define the space characters of the double - wishbone suspension system

    本課題所採用的是極大數目坐標法，這種方法對的汽車雙橫臂獨立懸架空間位姿採用空間笛卡兒坐標和歐拉參數來描述和分析。
  6. 4. a 2 - d and 3 - d euler equations and n - s equations are solved using the cell - centered finite volume method and four - step runge - kutta scheme on the cartesian grids with standard convergence acceleration techniques such as local time stepping, enthalpy and implicit residual smoothing

    使用jameson中心有限體積法和runge - kutta時間推進方法，求解了關於二維、三維復雜流場的euler 、 navier - stokes方程，採用了當地時間步長、隱式殘值光順等多種加速收斂方法。
  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歐拉方程組和有限體積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方法成功地推廣到二維情況。分析了該激波管的力學特性。
  8. Linearization method for solving modified euler - painlev 232 ; equation

    方程的線性化解法
  9. This deforming method coupled with ale euler solver is applied to simulate unsteady transonic flow about oscillating airfoil ( 2 - d ) and oscillating rigid rectangular wing ( 3 - d ). computational results are in good agreement with experimental data

    本文將網格變形方法與數值解算器耦合起來求解了二維振動翼型繞流和三維振動矩形機翼繞流，計算結果與實驗結果一致，證明本文的數值方法具有較高的準確性。
  10. Employing euler based steady solution and piston theory, a new method ( we call it local piston theory in this paper ) to solve supersonic or hypersonic unsteady loads has been developed

    發展了一種運用定常cfd方法和活塞理論求解超音速、高超音速非定常氣動力的新方法?當地流活塞理論。
  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 transient responses of saw motor under different working conditions are simulated by the euler method, and many factor that affect the motion of the saw motor are introduced

    並用euler數值計算方法對不同工作條件下的表面彈性波馬達暫態響應做了模擬，揭示了各種因素對表面彈性波馬達運行的影響。
  13. 2. relative dynamics equations of spacecraft and docking mechanism for each phase of the docking process are built by newton - euler method

    2 .用牛頓-歐拉法分別建立了對接過程各階段的相對動力學方程。
  14. Nonlinear electric field transient finite element equation is performed based on the backward euler method and the variational principle

    摘要基於後退歐拉法和變分原理推導了非線性電場的暫態有限元方程。
  15. By valuing six american put options, the numerical experiment and analysis show that the euler method with fft is a fast and highly accurate numerical method

    在數值實驗中，對六個美式看跌期權價格進行了計算，通過分析比較，結果表明：快速傅里葉變換法加歐拉法是一種快速的高精度的數值計算方法。
  16. First, the jacobian matrix of the system is derived from a kinematics analysis. then the dynamic equations for each part are deduced using the newton - euler method. at last the driving forces of the active joints are calculated, by using the principle of d ’ a lembert

    本文對6 - prrs並聯機器人的動力學進行了分析，分別計算了各個構件的雅可比矩陣，得出了114階的系統雅可比矩陣;然後利用牛頓-歐拉法詳細推導了6 - prrs並聯機器人的動力學方程，結合d 』 alembert原理求出了6個主動關節的驅動力。
  17. At the beginning of fourth chapter, the article transforms the solving problem of partial differential equation for the american put price into a standard initial and boundary value problem of parabolic type by making some transformations. afterwards, the solving problem of parabolic type is transformed into a initial value problem of ordinary differential equation with respect to through fourier transform again. at the last section of the fourth chapter, the article solves the initial value problem with the progressive euler method and the finite element method

    在第四章，對美式看跌期權價格所滿足的偏微分方程定解問題通過作一系列變換，使之轉化為一個標準的拋物型初、邊值問題，接著又通過傅里葉變換，把拋物型初、邊值問題轉換為一個關于時間變量的常微分方程初值問題，然後再分別利用改進的歐拉法和有限元法對其進行了求解。
  18. 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

    摘要隨機延遲微分方程數值方法中歐拉方法是唯一較為成熟、有效的方法，但歐拉方法的收斂性差，其收斂階僅為二分之一。
  19. 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

    針對一類特殊的方程即小噪聲隨機延遲微分方程，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。
  20. Two - order enhanced un - split finite volume euler method for multi - fluid flow, which combines the roe approximate riemann solver, is developed to simulate the multi - fluid interactions, such as the fluid described by polynomial eos, stiffen gas eos, jones - wilkins - lee ( jwl ) gaseous explosive eos, cochran - chan ( cc ) solid explosive eos and hom shock wave eos, etc. numerical results of the id, 2d and 3d multi - fluid interaction examples show that the high - resolution method and interface capturing equations can resolve the multi - fluid flow correctly and successfully. a simple fluid - mixture type ppm algorithm for multi - fluid flow, which is based on vof interface capturing method and resolved by langange / remap two steps, is developed to simulate the high density or high pressure ratio flow at both sides of the interface

    本文提出了實用於多介質流體的增強型二階精度有限體積歐拉數值計算方法，採用roe方法近似求解riemann問題，可以適用於多項式狀態方程、 「 stiffengas 」狀態方程、 jones - wilkins - lee爆轟產物狀態方程、 cochran - chan固體炸藥狀態方程以及hom狀態方程等，並對多介質流體相互作用的一維、二維、三維問題進行數值計算，數值驗證了本文給出的高精度差分格式和界面捕捉方法的正確性，兩種方法耦合形成的多介質流體數值計算方法是成功的。
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