By using the transformation and the perturbation method, the nonlinear displacement equations are linearized, and the approximate boundary value problems are obtained.

利用变换和摄动法将非线性位移方程线性化，得到了近似边值问题。

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This paper deals with the numerical solution of the Euler equation for airfoils using approximate boundary conditions and the effects dorsal fin on vortex over delta wing at high angles of attack.

本论文主要是通过实验来研究细长圆锥体在大迎角下的绕流流场的特性和细长三角翼加背鳍后对前缘涡的影响，检验相关理论结果。

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A simplified bead chain algorithm for determining object boundaries from an approximate boundary is presented. It is simpler than either the bead chain algorithm or the modified bead chain algorithm.

本文提出了由近似边界确定物体边界的简易珠子链算法，该算法较珠子链算法和改进珠子链算法简单。

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