According to curvaturecharacteristicsof blending surface, a method was presented to extract and modify rounding feature on finite element mesh models.
根据过渡曲面的曲率特性，提出了一种有限元网格的圆角过渡特征提取及网格局部修改算法。
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According to the characteristicsof PID control and fuzzy control, a driver model of steering direction control for automobiles is established based on the preview optimal curvature model.
Moreover we found the rule of distribution of pressure on wall surface and discussed the influence of rate ofcurvature and gradient of pressure on the characteristics of spill flow hydraulics.