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。
The high-order difference method of wave equation has the advantages of high accuracy and small numerical dispersion.
波动方程高阶差分法具有精度高、数值频散小的优点。
A high order accuracy compact difference method is presented for soling unsteady convection equation with source term.
提出了求解含源汇项非定常对流扩散方程的一类高精度格式。
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