在研究平均二次误差与曲面曲率关系的基础上，提出了变分辨率的曲面重建算法。
Based on study of relationship between the average quadric error and the surface curvature, a variable resolution surface reconstruction algorithm was proposed.
为了提高网格简化的图像质量，提出一种基于离散曲率的二次误差度量网格简化算法。
In order to improve the image quality of mesh simplification, a mesh simplification algorithm using quadratic error metrics was provided based on discrete curvature.
通过对原串行程序进行分析与测试，确定了以曲率计算、第一次差分计算和第二次差分计算等为并行化的重点。
Through the analysis and test of original serial program system, curvature computing and first difference, second difference etc. are defined as key objects.
计算结果表明，在弯管小曲率半径壁面附近，由于膨胀稀疏作用，爆轰波强度减弱，在局部出现前导激波与放热反应区的解藕以及二次起爆现象；
From the numerical results it is observed that as the curvature of the bend changes, different detonation phenomena occurred along the wall of the bended pipe.
提出利用有理二次样条曲线插值整体曲率连续的曲线的一种方法。
A method for interpolating global curvature continuity curves with conic segments is presented in this paper.
讨论了曲率和挠度对二次流动、流函数等值线和轴向速度的影响，研究了不同曲率和挠度螺旋管道内流量与压力梯度之间的关系。
The effects of curvature and torsion on secondary flow, isoline of stream function and distribution of the axial velocity of flow were discussed.
讨论了曲率和挠度对二次流动、流函数等值线和轴向速度的影响，研究了不同曲率和挠度螺旋管道内流量与压力梯度之间的关系。
The effects of curvature and torsion on secondary flow, isoline of stream function and distribution of the axial velocity of flow were discussed.
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