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- 四阶Runge-Kutta法four-order runge-kutta method
- 方法:根据四阶Runge-Kutta算法,采用Excel软件编写基于药动学参数的程序。Methods: Microsoft Excel was used to write a Microsoft Excel spreadsheet based on the four stage Runge-Kutta algorithm.
- 在求解Euler方程方面,采用格心格式的有限体积法进行空间离散,四步Runge-Kutta法作时间推进,二阶、四阶人工耗散作为稳定措施,还采用当地时间步长和隐式残值光顺提高收敛速度。The cell-centered symmetric finite volume arithmetic and Runge-Kutta time stepping scheme are performed to solve Euler equation. The two order and four order artificial dissipation is introduced for stability, local time stepping and implicit residual smoothing technique is applied to save computer time.
- Runge-Kutta法Runge-Kutta method
- 对角隐式Runge-Kutta法diagonally implicit Runge-Kutta method
- 文章首先分析了几种常用织物仿真算法如Euler算法、Midpoint算法和4阶Runge-Kutta算法,然后对各种算法的织物仿真性能进行了分析和比较。Some common algorithms for cloth simulation such as Euler,Midpoint and 4 order Runge-Kutta are analysed and their properties are compared in the paper.
- 四阶色散Fourth-order dispersion
- 在采用各向异性湍流动能闭合方案和 3阶Runge Kutta时间积分方案的大涡模式中 ,引入由森林冠层粗糙元造成的动量拖曳项、热量输入项和TKE耗散项 ,以模拟森林冠层和森林边界层的气象场 .Based on a large eddy simulation (LES) model with anisotropy subgrid scale closure model and an explicit multi-stage third-order Runge-Kutta scheme, the drag term on momentum, the heat source term and the production term of turbulent kinetic energy (TKE) imposed by the canopy elements are introduced to the LES equations to simulate the meteorological field in the forest canopy and the forest boundary layer.
- 四阶方程fourth-order equation
- 四阶差分four-order difference
- 四阶近似法four-order approximation
- 四阶累积量fourth-order cumulant
- 四阶折叠点folds of degree 4
- 四阶非线性奇异抛物方程的半离散有限元方法的后验误差估计A POSTERIORI ERROR ESTIMATION WITH FINITE ELEMENT SEMI- DISCRETE METHODS FOR FOURTH ORDER NONLINEAR SINGULAR PARABOLIC EQUATIONS
- 而在求解 Euler方程计算中 ,采用的是 Jameson的有限体积法 ,它可以适合任意形状的网格单元 ,以及四步 Runge-Kutta时间推进。In the Euler computation, the Jameson's finite volume solver used by arbitrary grids and four-stage Runge-Kutta time-stepping method are applied in solving Euler equation.
- 四阶抛物方程fourth order parabolic equation
- 四阶波动方程fourth order wave equation
- 四阶微分方程fourth-order differential equation
- 四阶单步格式forth order single scheme
- 四阶偏微分方程four order partial differential equation