runge kutta method 中文意思是什麼

runge kutta method 解釋
龍格 庫塔法
  • runge : 朗格
  • 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. The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement ， are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation ， we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more ， we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first ， the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations ， dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure ， the computer - oriented procedure can give the whole responses of the beam 。 second ， with compare to the numerical examples ， the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。

    本論文為福建省自然科學基金后續研究課題，以已知支撐運動的單個空間懸臂梁為對象，在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力，並在考慮力與變形關系時，用更一般的彈性力學分析代替材料力學分析，進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先，用有限段建立機械臂的多剛體離散模型，用kane動力學方法建立其動力學方程。並用c語言編制演算法程序，採用了四階runge - kutta積分程序求解微分方程組，給出構件的全部動態歷程。
  2. 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。
  3. The main studies are as follows : ( 1 ) the hamiltonian mechanics and equations are deduced from the lagrange mechanics. the symplectic quality of the hamiltonian system is discussed. the formulations of the symplectic integrator method are constructed, especially the explicit symplectic schemes for the separable hamiltonian system and the symplectic partitioned runge - kutta ( prk ) method for the generic hamiltonian system

    本文對該方法進行了初步的研究和計算應用，具體展開了以下幾方面的工作： （ 1 ）從lagrange力學出發引入hamilton力學和hamilton正則方程的概念，討論了hamilton系統的辛性質，給出了構造辛演算法的基本原理，並重點介紹了線性可分hamilton系統的顯式辛格式和一般hamilton系統的辛prk方法。
  4. Based on the hydrodynamic, by using momentum theory to the liquid in the flow channel, the computational formula of the air exciting - vibration force is acquired. by using four - step runge - kutta method, the periodic response results of the elastic rotor system with one single - disc are gained. then the dynamic characteristics of the rotor system at the certain rotate speed and the certain physic parameter of system are analyzed by using the phase spaces and poincare maps of this system

    基於流體動力學，通過對葉片流道內的流體模型應用動量定理，得到此汽流激振力模型，並採用四階龍格庫塔法，得出了單盤彈性轉子系統的周期響應規律，然後根據系統的相軌跡及poincare映射圖，分析了系統在特定轉速及特定的轉子系統參數下的運動特徵。
  5. The soft tissues are discreted to a mass - spring - damper system, and the topologies of the system are described using adjacent tables, the dynamical equations can be constructed based on the data stored in the adjacent tables. the 4th order runge - kutta method is used to integrate the equations of deformation. using computer graphical techniques to display the visual feedback of the deformation

    將連續的軟組織離散為由彈簧-阻尼器及與其連接的質點構成的離散系統，用鄰接矩陣表示離散系統的拓撲結構，即質點-彈簧間的鄰接關系，依據該信息，可自動計算與每個質點連接的彈簧、阻尼器對接點的粘彈性力的貢獻，然後採用4階runge - kutta方法對得到的微分方程組進行數值積分，用opengl技術對得到的模擬結果進行圖形繪制。
  6. The paper also elaborates on the calculating method, the runge - kutta method and the grads method

    論文對模型的演算法? ?龍格?庫塔法和梯度法作了詳盡的討論。
  7. The numerical values of the one order differential equations are obtained by runge - kutta method with variable step

    軟體採用了變步長的經典龍格?庫塔方法求解一階微分方程組的數值解。
  8. A 4 - order runge - kutta method is used to solve the droplet trajectory equation in order to determine the droplet impingement zone. 4

    採用經典的四階龍格-庫塔法對其求解，以確定水滴在翼面上的撞擊區。
  9. In the computer program, the regional parameters are given, then the equation groups are solved with runge - kutta method, the calculation results in rated condition are obtained

    在計算程序中，先確定已知初始參數，再應用龍格?庫塔法對微分方程組進行求解，得到標定工況模擬計算結果。
  10. We also use fourth runge - kutta method simulate the opcpa process in the case of considering signal and pump temporal profile and phase mismatching and get gain and spectra properties at different pump temporal profile

    我們還在考慮時間波形和相位失配的情況下，利用四階龍格-庫塔法對光參量啁啾脈沖放大進行了數值模擬計算，得到了不同泵浦光時間波形時的增益與頻譜特性。
  11. Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too

    本文首先應用經典的電磁理論對拉曼光纖放大器的工作機制進行了分析，然後，根據小信號理論推導出的開關增益求出了光纖拉曼增益系數的表達式，採用泵浦-探測波的方法，利用超輻射激光二極體（ superluminescentdiode簡稱sld ）作為探測光源，測量了所用標準單模光纖頻移為0 . 5 - 20thz的拉曼增益系數，之後根據所測得的光纖的拉曼增益系數譜對應用該類光纖構成的放大c波段wdm光信號的拉曼光纖放大器的增益特性採用打靶法和四階龍格- - -庫塔進行了數值計算，在給定了兩個泵浦光源的波長和最大功率后，找出了反向泵浦情況下使c波段wdm光源增益最平坦的兩個泵浦的各自最佳功率，同時也分析了導致信號光飽和的原因。
  12. Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed

    由於液壓打樁錘液壓系統是一個復雜的非線性系統，本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態空間方程，通過四階龍格?庫塔法和預估?校正法相結合編制了模擬程序對狀態空間方程求解，在matlab6 . 5中進行液壓系統的動態模擬，獲得液壓打樁錘運動過程中壓力、位移、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液壓系統動態特性分析，為液壓系統的設計和參數優化提供了有益的借鑒。最後，在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后，採用了以現代計算機技術為基礎的新型工業控制裝置? plc可編程式控制制器，設計出了雙缸雙作用液壓打樁錘的電器控制系統。
  13. A theoretical analysis of local damage in a thin ductile tube hit by a flat - nosed missile laterally is developed to predict local failure due to plugging by the beam - on - foundation model. the effect of internal press was considered, and differential equations was obtained which can predict the ballistic speed of the missile which impact the tube filled with water. it can be solved by runge - kutta method

    採用地基梁模型對平頭彈體側向沖擊鋼管的沖塞型破壞模式進行了理論分析，考慮了充壓情形下內壓的影響，導出了鋼管在沖擊過程中的運動方程，可以用龍格?庫塔法進行數值求解來確定彈體沖擊充液壓力管道的彈道極限速度。
  14. For the mathematics model of differential / algebraic equation system, the penalty function is introduced in numerical computation, and runge - kutta method and newton - raphson method are used respectively in solving the ordinary differential equations and nonlinear equation systems. the process and the results are carried out under corba environment

    本論文採用近年發展的懲罰函數方法進行數值積分，對于常微分方程，採用runge - kutta方法進行數值積分，對于代數方程，採用newton - raphson迭代方法求解，並在corba環境下實現。
  15. Solving diffusion equation with classic runge - kutta method

    法求解擴散方程
  16. The equation was solved with both the time finite element method and the fourth order runge - kutta method

    分別用時間有限元方法和四階的runge - kutta方法對方程進行了求解。
  17. On solving the equation, we utilize the finite volume method. runge - kutta method with the dual time marching was also used here

    在方程求解方面，採用了有限體積方法，採用runge - kutta方法對方程進行雙時間推進。
  18. Secondly, agreement between the result from the mentioned eigenvalue arithmetic and the result from numerical calculation in the airfoil differential equation with runge - kutta method which obtain the trend of physical variable quantity demonstrate the fact that the assumed model and the given equations are valid

    其次，通過用龍格?庫塔的數值方法對微分方程進行迭代，所求出的系統各振動量變化規律和上述算例的特徵值對比，結果是一致的。這就驗證了建模的合理性和方程推導的正確性。
  19. The aim of this thesis is to analyze the super - convergence and stability of continuous finite element methods which is a type of numerical me - thods solving the 1 - degree lineal initial value problem of ordinary differential equation, and compare the stability of the three 4 - order pre - cision numerical methods of the 1 - degree initial value problem of ordinary differential equation - classical runge - kutta method ( single step method ), adams hidden method ( multiple step method ), and continuous finite element method

    本文針對一階線性常微分方程初值問題的連續有限元法的超收斂性和穩定性作了分析，並對一階線性常微分方程初值問題的具有4階精度的三類數值方法? ?經典runge - kutta法（單步法） ， adams隱式格式（多步法） ，連續有限元法的穩定性作了比較。
  20. First, we construct a dividing segment model of neutralizer ; utilize runge - kutta method to give a series of iterative formula and complete calculation by running computer program. second, we make use of monte carlo way to simulate the pressure distribution. comparing the conclusion of simulation with theory calculation, we found that the data are very close

    為中性化室壓力分佈分析構建了中性化室分段計算模型，利用四階龍格-庫塔方法對其進行了迭代求解，最後編寫程序由計算機來完成計算；還利用蒙特卡羅方法對中性化室壓強分佈進行了模擬。
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