通过光顺性评价证明该方法简单有效。
The evaluation of lubricity proves this method simple and practical.
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。
提出了一种局部光顺nurbs曲线的算法。
并且提出了保证两张曲面片连接光顺性的条件。
Conditions ensuring the smoothness of two surfaces is 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.
鉴于后者有着对于光顺性的特殊要求,已有的支持向量机并不适用。
Whereas SVM is not suitable for the smoothing regression, a modified support vector regression model is proposed.
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.
光顺是汽车开发的关键步骤之一,对汽车车身质量和开发周期有着重大的影响。
Surface treatment is one of the key steps in automotive development, and has great influence on body quality and development cycle.
对于光顺算法,本文中不采用光顺平铺边界,而是采用光顺权值差2的内部边界。
The interior boundary with the difference of fairing power being 2 replaced the paving boundary in the fairing step.
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.
应用顶点分类的方法,提出了一种加权均值滤波与拉普拉斯光顺相结合的混合算法。
With the method of classifying the mesh vertices, a hybrid algorithm combined weighted median method and Laplacian method was presented.
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.
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.
在传统光顺算法的基础上,提出了以曲线曲率极值的均方差作为衡量曲线光顺的指标之一。
On the basis of traditional fairing algorithm, the curvature extremum of curve is used as one of the indices judging the curve fairing.
本文建立了参数样条模型,并通过运行相应的程序,获得了利于光顺曲面构造的优化数据。
This paper establish the mathematics model of parameter spline function to optimize the data acquired by CMM.
该算法直接平滑曲面在平行光照射下的图像,然后通过光度立体技术反求出光顺后的曲面。
We smooth the photometric image of surface by some existing method in digital image processing, then get an approach to original surface by the photometric stereo technology.
在船体建造的信息处理系统中,有大量问题涉及到空间曲面的光顺、展开、定位和图示等等。
Involved significantly in hull construction information processing system are such problems as the fairing, development, positioning and graphical representation of surfaces in space.
探索和研究了数学船型构造及解的存在、唯一性,且建立了一套求光顺样条曲面的数值方法。
Also this paper presents the structure of mathematical vessel-model and the existence and uniqueness of the solution and introduces a set of numerical methods to solve the smoothed-spline Surface.
探索和研究了数学船型构造及解的存在、唯一性,且建立了一套求光顺样条曲面的数值方法。
Also this paper presents the structure of mathematical vessel-model and the existence and uniqueness of the solution and introduces a set of numerical methods to solve the smoothed-spline Surface.
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