• 通过评价证明方法简单有效

    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曲线算法

    A algorithm is presented for locally fairing NURBS curves.

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  • 并且提出保证张曲面连接光顺条件

    Conditions ensuring the smoothness of two surfaces is presented.

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  • 研究曲线曲面准则方法评估手段。

    The principles, methods and evaluation of the fairing of surfaces and curves are also discussed.

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  • 需要提供额外自由度满足几何光顺要求

    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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  • 利用技术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船舶线型设计系统。

    The paper introduces a ship lines design and fairing software FASTLINE.

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  • 基于光顺曲线参数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测试压力数据样条滤波算法

    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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  • 鉴于后者有着光顺特殊要求,已有的支持向量并不适用

    Whereas SVM is not suitable for the smoothing regression, a modified support vector regression model is proposed.

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  • 提出一种新的基于神经网络的点数据重构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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  • 光顺计算中,引入了遗传优化算法,增加计算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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  • 汽车开发关键步骤之一汽车车身质量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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  • 光顺算法,本文不采用边界,而是采用光顺值差2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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  • 提高计算效率采用多重网格法、当地时间步长残差光顺加速收敛措施

    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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  • 应用顶点分类方法提出一种加权均值滤波拉普拉斯光顺相结合混合算法

    With the method of classifying the mesh vertices, a hybrid algorithm combined weighted median method and Laplacian method was presented.

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  • 常用曲线几种条件如简支端、抛物端已不能完全满足曲线要求

    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限制曲面拟合再通过设置一个偏移量形成阈值曲面。

    This method includes two steps: surface fitting based on fairing constraint and adding offset to form the threshold surface.

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  • 只要选用相应目标函数曲面插值逼近拼接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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  • 传统算法基础上,提出曲线曲率极值的均方差作为衡量曲线光顺指标之一

    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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  • 本文建立参数模型通过运行相应的程序,获得了利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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  • 算法直接平滑曲面平行照射下图像然后通过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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  • 船体建造信息处理系统中,有大量问题涉及到空间曲面展开定位图示等等。

    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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  • 探索和研究数学船型构造及解存在、唯一性,且建立了光顺曲面数值方法

    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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  • 探索和研究数学船型构造及解存在、唯一性,且建立了光顺曲面数值方法

    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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