• 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.

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  • 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.

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  • 除去焊接飞溅并处理焊缝、毛刺使其光顺。

    Remove weld spatter and smooth weld seams and sharp edges.

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  • 提出了一种局部光顺nurbs曲线的算法。

    A algorithm is presented for locally fairing NURBS curves.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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).

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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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  • 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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