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.
在曲面造型中，经常需要对曲线形状进行调整。
Adjusting the shape of the curve is needed in the surface modelling.
卷积曲面是一种很有潜力的隐式曲面造型方法。
Convolution surface is an attractive technique in geometric modeling.
顶点位置和法向插值是参数曲面造型的重要内容。
Interpolation to vertex positions and normals is one of important contents in parametric surface modeling.
提出了一种基于四边形网格的可调细分曲面造型方法。
This paper presented an adjustable subdivision surface scheme based on quadrilateral meshes.
插值已知曲线是曲面造型中的一个重要追求目标或手段。
It is an essential tool and purpose in surface modeling to interpolate the given curves.
本文首先回顾了曲线曲面造型方法的分类以及各自的特点。
After briefly reviewing the classification and respective characters of curves and surfaces modeling, the paper expatiates its history in CAGD.
用偏微分方程(PDE)构造曲面是一种新兴的曲面造型方法。
It is a new method to generate surfaces with partial differential equation (PDE).
最后介绍了扫描曲面的造型方法在实际车身零件曲面造型中的应用。
In the end, the paper introduces the application of the swept surface modelling methods in the practical surface modelling of autobody parts.
至今，曲线曲面造型模块仍是CAD/CAM系统的最关键部分之一。
Nowadays, the construction module of free curves and surfaces is still the core one of the key parts in CAD/CAM.
原有的细分曲面造型方法不断改进，新的细分曲面造型方法层出不穷。
The surface modeling method is improved; a new subdivision surface modeling method is endless.
利用真实图像实现了逼真的曲面造型，验证了该方法的可行性和正确性。
The effectiveness of this method was demonstrated in modelling real curved objects.
对NURBS的曲线曲面造型进行了理论和实验探讨，并通过实验加以验证。
The theory and experiment of curve and face of NURBS were explored and validated by experiment.
本文描述了一个将曲面造型和实体造型技术统一起来的试验性几何造型系统。
This paper is concerned with a geometric modelling system that integrates surface modelling with solid modelling.
本文将曲面造型与数值计算有机的结合在一起应用到离心泵叶轮的优化设计中。
In this paper, an organic combination of surface molding and numerical calculation is applied to optimization design for centrifugal pump impellers.
实验证明利用该方法，可以得到较满意的曲面造型结果，实现了股骨的三维重建。
The result of test proves that it can preferably get the femoral surface and realize the3D femoral image reconstruction.
随机分形法和曲面造型法分别在地形生成的随机性和可控性方面能起到一定的作用。
There exist already methods for combining random mid-point displacement method with curved-surface modeling to generate mountain terrain.
本文主要由复杂曲面造型方法、改进的移动曲面拟合法研究和实例应用三部分组成。
This paper mainly consists of the theoretical methods of complex surface modeling, the research of improved moving surface fitting and analysis of example.
因此，曲面造型是CAD、CG中的一项重要内容，在工业技术领域中有广泛的应用。
Therefore, the surface modeling is an important element in the CAD, CG, it has a wide applications in the field of industrial technology.
在CAD参数曲线曲面造型方法中，混合曲线曲面技术正被广泛研究，本文分两大部分。
Among the modeling methods used in the CAD parametric curves and surfaces, the technique of blending curves and surfaces is being wildly study.
最后利用基于物理的能量曲面造型方法构造与弹身和长边条面G-1连续的头锥过渡面。
Then the forward 3-sided surface is generated based on energy minimization and is G-1 continuous contact with the missile's body and the long fringe surface.
基于物理的造型方法是当今曲面造型研究的热点之一，并可望成为今后曲面造型的实用工具。
Physics based modeling is one of the keen free form surface modeling method at present, and it should be a practical surface modeling method in the future.
在这个过程中，我们将探索使用的NURBS工具和玛雅各种技巧来建立一个滑板硬曲面造型。
In this course we will explore hard-surface modeling by using a variety of NURBS tools and techniques in Maya to build a skateboard.
细分曲面是基于网格的离散曲面造型新技术，它通过定义控制网格和细分规则来表示造型曲面。
Subdivision surface is a new geometric modeling technology of discrete surface based on mesh. It can express modeling surface through control mesh and subdivision rules.
结合曲面造型的工作实践，对利用NURBS进行曲面造型有关的理论与技巧和经验进行探讨。
In this essay, I use the working experience of surface modeling practice, to do a study for the use of NURBS surface modeling theory and related skills and experience.
研究结论有助于科学地设计织物剪切性能，进而保证和改善纺织品的手感、舒适性和曲面造型。
The conclusions can be of help in designing the fabric shearing property scientifically, which will improve hand values, comfortability and space formability of fabrics.
主题包括使用实验设计和响应曲面造型，了解制造过程的物理，以及缺陷和产量建模和参数优化。
Topics include the use of experimental design and response surface modeling to understand manufacturing process physics, as well as defect and parametric yield modeling and optimization.
样条方法是当前自由曲线曲面造型最为常用的方法，动态规划为解决离散最优化问题的有效手段。
B-spline is the most popular method to present free-form curve and surface, and DP algorithm is the effective approach for solving discrete optimization problems.
提出用控制自由曲面形状的数据点透视投影和曲面在数据点处的法矢进行自由曲面造型的新思想。
The results of planar parameters estimation are not accurate by traditional plane fitting methods to point clouds, because the gross error and outliers are not considered.
本文主要研究细分方法及其应用，所做的工作包括四点小波的构造、尖锐特征造型和二次曲面造型。
In this thesis, we will investigate subdivision method and its application, including construction of four-point wavelets, generation of sharp features and quadrics.
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