To incorporate the important effects of the rotor wake, the far-field boundary condition derived from the rotor momentum theory and the cyclic boundary condition have been used.
为了充分考虑旋翼尾迹对流场的影响，采用周期性边界条件和由动量理论导出的远场边界条件。
The method can simulate not only the radiation damping of semi-infinite soil, but also the elasticity recovery capacity of the far field media on the boundary.
该方法不但可以较好地模拟半无限地基的辐射阻尼，也能模拟远场地球介质的弹性恢复性能。
Numerical results showed that the proposed boundary could simulate the influence of far field and did not have the problem of low-frequency instability.
数值分析结果显示，该边界可较好地模拟远场介质的作用以及土体的辐射阻尼，具有良好的低频稳定性。
Appropriate techniques are proposed for clouds of points to deal with the far field and wall boundary conditions.
对于翼型后缘等物面边界以及远场边界，提出了适合点云结构的边界条件处理方法。
To begin with, the influence that plane scanning error has on the far field is analyzed and the upper boundary of the error is formulated.
着重研究了影响近场测量精度的两种误差：扫描探头定位误差和有限扫描面截断误差。
To begin with, the influence that plane scanning error has on the far field is analyzed and the upper boundary of the error is formulated.
着重研究了影响近场测量精度的两种误差：扫描探头定位误差和有限扫描面截断误差。
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