the 4th order numerical dissipation for pressure was added in the continuity equation to avoid oscillations in pressure solution.
计算在非交错网格上进行,为了避免压力场的振蕩,在连续方程中隐式地加入了压力的四阶数值耗散项。
the embedded grids methodology was adopted so as to weaken the numerical dissipation of the wake and be easy to apply the above mentioned boundary conditions.
为进一步减少尾迹数值耗散和便于添加上述边界条件,采用了嵌套网格方法。
it is shown that the present method can effectively reduce the numerical dissipation of the rotor wake.
计算结果表明,本文方法能够有效地减少旋翼尾迹的数值耗散。
for hyperbolic conservation laws, a third-order semi-discrete central-upwind scheme with less numerical dissipation is presented.