The nonlinear free surface boundary condition is considered and the hydrodynamics forces of the hydrofoil near the free surface are calculated by the submerged vortex lattice method.

考虑到非线性的自由液面边界条件，用下潜涡环栅格法求解水翼绕流问题。

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In this program, free water surface condition and boundary condition on seabed and bank are satisfied by means of images.

对自由液面、水底平面和岸壁的各种组合边界条件，在程序中应用映射技巧处理。

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The boundary element iterative procedure to predict the shape of molten metal free surface is developed by fulfil ling the equilibrium condition of the surface.

根据熔炼金属液面的平衡条件，提出了确定熔炼金属表面形状的边界元迭代算法。

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