目前曲线曲面的光顺处理已成为轿车车身外表面造型方法中非常重要的一项技术。
Currently the smoothing of curves and surfaces has become an important method of technology in car body modeling.
构造一条满足给定端点条件的光顺曲线是计算机辅助几何设计(CAGD)中的一个基本问题。
Constructing a smooth curve with given endpoint conditions is a fundamental problem in computer aided geometric design (CAGD).
最终通过求解线性方程组得到光顺曲线。
Finally, the fairing curve can be obtained by solving a linear system of equations.
除去焊接飞溅并处理焊缝、毛刺使其光顺。
讨论了带有面积约束的光顺曲面造型方法。
The generation of a Bézier curved surface with the fixed area is approached as an approximation problem.
提出了一种等残留高度光顺刀具轨迹规划算法。
A constant scallop-height smooth tool-path planning algorithm based on constant scallop height tool-path was presented.
研究了曲线和曲面的光顺准则、方法和评估手段。
The principles, methods and evaluation of the fairing of surfaces and curves are also discussed.
这就需要提供额外的自由度来满足几何光顺的要求。
Hence, additional degrees of freedom are needed to meet the geometric smoothness requirements.
提出一种基于不可微问题优化的四面体网格光顺算法。
A tetrahedral mesh smoothing algorithm based on non-smooth problem optimization is presented.
还利用光顺技术对网格进行了光顺处理，提高了网格质量。
The mesh quality is improved efficiently by using the smoothing technique.
本文首先介绍了FASTLINE船舶线型设计和光顺系统。
The paper introduces a ship lines design and fairing software FASTLINE.
基于光顺曲线的参数化设计，提出了参数化的船型设计方法。
Based on the parametric design of fair curve, the parametric design method of hull form is presented in the paper.
提出了用来处理含有噪音的测试压力数据的光顺样条滤波算法。
An algorithm called smooth spline filter is presented to pre-processing a set of measured pressure data.
运用当地时间步长、隐式残值光顺、焓阻尼等措施加速计算收敛。
Local time step, implicit residue averaging, enthalpy damping are used to accelerate the convergence.
算例表明该光顺方法得到了良好的光顺效果，具有很强的适用性。
The effectiveness and the adaptability of this method are proved with some examples.
为了提高收敛速度，采用当地时间步长、残值光顺的加速收敛措施。
Using local time stepping and implicit residual smoothing to accelerate the convergence.
提出了一种新的基于神经网络的点云数据重构CAD光顺造型的新算法。
The paper presents a new approach to CAD model reconstruction from cloud datas using neural networks (NN).
在光顺计算中，引入了遗传优化算法，增加了计算的自动程度以及客观性。
In calculation, a genetic optimization is introduced to improve the automation and objectivity of the calculation.
鉴于三次样条曲线用于线型光顺时，由于缺乏完整的光顺标准，效果不够理想。
Due to lacking of integral criteria of fairing of lines, to which the effect of the application of cubic splines is not desirable, and manual modifications are usually needed.
提出基于补丁曲面质量检测线（反射线或高亮线）局部光顺NURBS曲面算法。
An efficient NURBS surface local fairing method was presented based on quality detection lines(reflection lines or highlight lines)of the patch.
为提高计算效率，采用了多重网格法、当地时间步长和残差光顺等加速收敛措施。
Residual smoothing, local time stepping and a new multi-grid scheme were employed to improve calculative efficiency and accelerate the convergence.
常用的三次样条曲线几种端值条件如简支端、抛物端已不能完全满足曲线光顺的要求。
Several commonly adopted end value conditions for cubic spline do not meet the requirements of curve fairing completely.
针对三维数据点重构自由曲面的光顺问题，探讨了一种基于形状约束的曲面重构技术。
On the base of the fairing of free-form surface reconstruction from 3d data points, this paper probes one method based on shape constraints.
这种方法首先对背景进行光顺限制的曲面拟合，再通过设置一个偏移量来形成阈值曲面。
This method includes two steps: surface fitting based on fairing constraint and adding offset to form the threshold surface.
只要选用相应的目标函数，曲面插值、逼近、拼接和光顺都可以使用优化技术统一处理。
Optimization techniques are being applied to solve the problems of surface interpolation, approximation, smooth joining and fairing, aiming at corresponding goal functions.
后者利用罚函数法给出了能量极小意义下的最优解，适合于保持光顺性要求的全局修改。
The latter gives the optimal solution to the energy equation with penalty function method and it is a global modification with good fairness.
针对凸插值、凸光顺和保形插值等带约束条件的插值和光顺问题，提出一种信赖域方法。
This paper presents a trust region algorithm for solving the constrained interpolation and smoothing problems such as convex interpolation, convex smoothing and shape-preserving interpolation.
在实际问题中，有时给定的大部分型值点是好的(光顺的)，而只有少数型值点不光顺。
In practical problems, sometimes given the majority of data points is good (fairing), and only a few data points isn't good.
在实际问题中，有时给定的大部分型值点是好的(光顺的)，而只有少数型值点不光顺。
In practical problems, sometimes given the majority of data points is good (fairing), and only a few data points isn't good.
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