该方法将变形体与变形体或刚体之间的接触面利用离散的解析曲面来描述。
The method USES discrete analytical surfaces to represent the surfaces between deformable and rigid bodies.
提出了一种由NURBS曲面及解析曲面元素构成的组合曲面数控加工无干涉刀具路径的生成方法。
A method is proposed for NC machining of extended parametric compound surfaces composed of NURBS and analytic ones.
作者将廓面分析建立在共轭曲面理论基础上，提出凸轮廓面自动分析的离散解析原理。
So, the discrete analysis principle of conjugating surfaces to automatically analyze spatial cam surfaces is proposed in this thesis.
入口截面不消耗剪切功率，然后用上界定理与曲面积分方法首次得到了用余弦模拉拔方棒时变形力的解析解。
Then with the upper-bound theorem and the surface integral an analytical solution of the drawing stress was first obtained.
函数曲面可由解析函数表达式来表达，建模方便。
The function surface can be expressed by analytic expression and constructed easily.
建立了环面凸轮轮廓曲面的解析方程，同时给出了压力角计算式，为此种凸轮的设计提供了一种简单有效的方法。
This paper establishes the contour surface equation of a torus CAM and presents a pressure Angle formula, it provides a simple and efficient method for designing this kind of cams.
用球面坐标建立了圆柱滚子球面凸轮的轮廓曲面解析方程，为此种凸轮的设计计算和数控加工提供了理论依据。
This paper establishes a contour surface equation of the spherical surface cam with a cylindrical roller, Which provides theoretical basis for the design and NC processing of the cam.
提出了采用偏移球心曲面计算顶杆高度的方法，算法实现简单，无解析算法产生的收敛问题。
An offset surface method was proposed to calculate the discrete mandril's height, whose algorithm was very simple and without the convergence problem which is common to analytical algorithm.
利用空间坐标变换法，得出弯管状屏蔽体的曲面方程式，用精确解析解取代了常用的数值近似解。
The camber equation has been established by means of space alternate coordinate; the numerical approximate calculation is replaced by accurate calculation.
测地线在光滑曲面上有很好的几何性质，也有相应的测地线偏微分方程表达以及一些解析的方法来求解。
Geodesics on smooth surface have many good geometric properties and there are equivalent partial differential equations and analytical methods solving it.
根据空间凸轮曲面压力角的定义推导出新型弧面凸轮分度机构压力角的解析表达式，分析该机构压力角出现最大值的情况，同时对如何降低最大压力角提出了一些改进措施。
According to defining of the global CAM curve, the resolution express of press Angle about a new type of indexing mechanism with arc surface CAM is provided.
根据空间凸轮曲面压力角的定义推导出新型弧面凸轮分度机构压力角的解析表达式，分析该机构压力角出现最大值的情况，同时对如何降低最大压力角提出了一些改进措施。
According to defining of the global CAM curve, the resolution express of press Angle about a new type of indexing mechanism with arc surface CAM is provided.
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