区域分解算法是在并行机上求解偏微分方程数值解的一种方法。
The domain decomposition is a numerically approximating solution to partial differential equations on parallel computers.
科学与工程计算中的一个最重要的内容就是求解各种各样的微分方程或方程组的数值解。
The most important content of Science and engineering calculations is to solve a wide variety of differential equations or the numerical solution of equations.
用该算法求解杆系结构可不必确定基本结构,且能获得稳定的数值解。
It is possible in this new algorithm to deal with space frames without firstly delineating the basic determinate structure and the ensuing numerical computation is rather stable.
针对井内水动力体系的复杂特点,讨论了模型的定解条件,并对模型进行了数值求解。
In view of the hydrodynamic complexity of the wellbore, the definite condition of the model has been discussed, and the numerical solution has been presented.
在广义延迟系统渐近稳定的前提下,分析了用块方法求解广义延迟系统数值解的稳定性。
On the basis of the asymptotic stability of generalized delay differential equations(GDDEs), the numerical solutions of one block methods for GDDEs were analysed.
本文主要运用一种具有全局收敛性的单调迭代法求解了一类非线性扩散方程的数值解。
This paper mainly studies the numerical solution of a class of nonlinear diffusion equations using a monotone iteration method with the global convergence.
本文采用有限差分法求解偏微分方程(即定价模型)的数值解。
In solving partial differential equation (i. e. pricing model), the author adopted the finite difference method to get its numerical solution.
本文采用修正格林函数积分方程的矩量法数值解技术求解静电场边值问题。
A new approach to numerical solution of the boundary-value problems of static-electric fields, the Modified Green Function kernel integral equation and its moment-method solution, is presented.
运用这种方法对单层介质和二层介质的临界问题以及单层介质非临界问题进行了求解,而且得到了较满意的数值解。
For monolayer and two-layer spherical critical problem and for monolayer noncritical problem, the application by this approach gives the corresponding solutions and satisfactory numerical results.
然后引入作用较大的高阶广义节点形函数,扩充广义刚度矩阵,并求解新的整体平衡方程,得到更高精度的数值解。
Then, those useful generalized nodes are selected, and the generalized stiffness matrix is enlarged. A more accurate numerical solution can be obtained after the new equilibrium equations are solved.
采用有限元法求解梁截面导热偏微分方程,应用pde工具箱得到数值解。
The partial differential equation (PDE) for heat conduction was solved with the finite element method and the PDE toolbox was adopted to obtain the numerical simulation.
进行数值求解,通过数值解与精确解的比较,对计算误差的变化规律进行了分析研究。
By a comparison of the result with that of the analytical solution, the computational error of the numerical solution is discussed.
通过求解介质运动做分方程,获得了波的传播问题数值解。
The numerical solution of wave propagation may be obtained by solving for the differential equation of medium motion.
本文介绍了一种求解地下水流问题的有限分析法,该方法将解析解结合到数值方法中,从而提高了计算精度,改善了稳定性。
This paper introduces a finite analytic method of solving groundwater flow. This method combines analytic solution with numerical method, and can rise computational accuracy and improve the stability.
从雷诺应力模型出发,通过求解雷诺平均N - S方程组获得三维湍流流场的数值解。
Based on the Reynolds Stress Model, the three-dimensional flow field was numerically simulated using the Reynolds averaged N-S system equations.
用延续算法对该代数方程组进行求解,得到系统的周期解。系统周期解的初始值通过时域数值积分得到。
The system of nonlinear algebraic equations is solved by using the continuation method and its periodic solution is obtained.
采用时间有限差分离散化方法求解超空泡流积分方程,得到了问题的数值解。
Solving integral equations of supercavitating flow based on the finite difference time discretization method, some numerical results are obtained.
为此,提出了油藏影响函数法,建立了通用影响函数模型,并采用线性规划法求解其数值解。
This paper presents a method of reservoir influence function, a model of general RIF is developed, linear programming approach used to solve it numerically.
采用打靶法求解该边值问题,获得了数值意义上的精确解,给出了梁的过屈曲平衡路径及平衡构形。
By using shooting method, the obtained boundary value problem is numerically solved and the equilibrium paths as well as the post buckled configurations of the deformed beam are given.
通过两个算例的数值解与精确解的比较,说明边界单元法是求解工程声学问题的一种有效方法。
Numerical solutions of two examples are compared with analytical ones, illustrating the more effectiveness of BIE method in engineering acoustics.
一维理论解和其他格式的二维数值结果符合良好,表明非交错网格下的混合有限分析法能正确有效地求解溃坝问题。
The results show that the numerical solution of the dam-break problem can be obtained by hybrid finite analytic method correctly and effectively.
在亚光速区,对处于相对论性振荡的纵等离激元色散方程进行数值求解,得到了朗道阻尼系数的数值解。
The landau damping rate is obtained by solving the dispersion equation of relativistic longitudinal plasmons with the sub-light-velocity numerically.
本文采用有限元数值分析方法计算多层圆管的温度场,并把解析解与有限元相结合,提出一种求解其热应力的计算方法。
This paper used the finite element method to compute the temperature field, and combined finite element with analytic solution to develop a calculation of thermal stresses.
本文用时间推进法求解欧拉方程组计算二维平面叶栅绕流问题数值实验是否有多重解现象。
The mutiple-solution phenomenon of steady transonic flow about two-dimensional plane cascade using the Time-Marching method for the Euler equations is examined.
自适应网格法是80年代兴起的通过求解椭圆型方程的边值问题来数值生成网格的一种新方法。它是在任意形状的区域上求偏微分方程的数值解的一种非常有效的工具。
Adaptive mesh method which raises in 80's is a new method to numerical generate grid by solving a boundary value problem of elliptic equation.
运用两端边值问题的精细积分法,通过MATLAB语言编制计算程序求解出相应问题的高精度数值解。
The precise integration method of two end boundary conditions is adopted to realize the high-precision numerical solution of the question by means of computer program with MATLAB.
通过运用吴消元法求解电力系统潮流方程,求得了全部实域精确解,同时避免了因以数值迭代方法求解出现雅可比矩阵奇异的现象。
By using Wu s method, all the precise solutions of power flow equations are worked out without encountering the numerical difficulty of ill-condition.
通过一阶迎风格式及QUICK格式,求解出该模型的数值解。
The numerical simulation of this model was analyzed through first-order upwind difference scheme and QUICK scheme.
同时由于只有在特定的求解条件下,才能获得FADE的解析解,因此利用数值方法来求解FADE是一个重要的研究方向。
Meanwhile, the analytical solution of FADE only can be obtained under specific conditions, i. e. steady state flow with step input. Using the numerical methods to solve FADE is the best choice.
利用染色函数解法求解膛内弹上气室气流的一阶非线性分段微分方程组,进行了大量的数值试验,证实数值解是收敛的,也是稳定的。
The numerical solution of chromosome-function was applied for a lot of first order differential equations for the chamber on the projectile in bore of a gun.
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