由此提出了扩展边界节点的概念,并使用有限差分法,对所得到的差分方程组进行了计算机求解及模拟。
The concept of extended boundary node was presented. By using finite difference method, the solution of the gained difference equations was given and simulated by computer.
进一步地,我们采用二分法与相平面分析结合的方法计算压差方程的数值解。
Furthermore, we compute the Riemann solution by using a bisection method combined with the phase-plane analysis.
差分型直接积分法求解动力方程,其计算假设条件给系统增加了一个“计算扰动”效应。
The difference type direction integration is used for solving dynamic - equation, its calculation assumption causes a "calculation perturbation" effects to the system.
常用的数值计算方法有有限差分法和有限元法,但用标准的有限差分方法求解数学模型时常常失效,根本原因在于对流项的存在。
The basic numerical simulation method is FDM and FEM, but the traditional FDM are not efficient for some models with convection term.
计算结果表明:小波数值均匀化方法与精细剖分的有限差分法相比较,既大大地节省了计算时间又获得了较好的精度。
Then the wavelet transform numerical homogenization gets numerical results at a low cost for solving the original equation in coarse scale space. The numerical results show that th…
计算结果表明:小波数值均匀化方法与精细剖分的有限差分法相比较,既大大地节省了计算时间又获得了较好的精度。
Then the wavelet transform numerical homogenization gets numerical results at a low cost for solving the original equation in coarse scale space. The numerical results show that th…
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