under homogeneous conditions, the application of this equation may give a differential approximation of high order accuracy for lapace equation, poisson equation and heat conduction equation.
在矩形网格上的九点差分近似的正确公式。使用它,在均质情况下,对拉普拉斯方程、布阿松方程和热传导方程可以构造出高阶精度的差分近似。
the numerical result implies that the high-accuracy upwind scheme has the advantage of high order accuracy and good stability.
计算结果表明,高精度迎风格式具有精度高、稳定性好等特点。
in order to capture the subtle structure in the flow field using not too dense grids, the high order accuracy difference schemes are often adopted in numerical simulations.
为了能在不太密的网格上捕捉到流场的细致结构,通常采用高阶精度的差分格式进行数值模拟。
a general way was presented for constructing the high order accuracy and high resolution schemes.
提出了构造高精度、高分辨率格式的一条新途径。
the aims of this thesis are trying to construct high order accuracy numerical schemes and study parallel computational algorithms on cfd (computational fluid dynamics).
论文主要研究计算流体力学高精度数值计算格式的构造以及非结构网格上的并行计算策略。