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In this paper we provide a characterisation of rational developable surfaces in terms of the blossoms of the bounding cu......
In this paper we provide a characterisation of rational developable surfaces in terms of the blossoms of the bounding cu......
针对汽车覆盖件复杂曲面重构效率低和精度光顺度低等问题,提出基于逆向工程的多种曲面重构技术相结合的方法。通过多种测量技术采......
Geometric continuity between parametric surfaces is an important issue in CAGD.So far rest-arches have been concentrate......
本文首先阐明CAD应用在汽车设计上的必要性。然后扼要介绍了使用的硬件。并详细叙述了CAD程序,应用Bezier方程式的方法以及采用的......
This paper presents an approach which enables surface modelling, mesh generation and the Finite Element (FE) analysis t......
本文介绍在西德HAAKE公司RV2型旋转式粘度计上配置微计算机,并设计A/D转换接口和软件,完成粘度测试的数据采集与数据处理的方法,利......
PROJECTION OF ARBITRARY POINT TO PARAME-TRIC BEZIER SURFACE AND ITS APPLICATION IN COMPLEX SURFACE N
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PROJECTIONOFARBITRARYPOINTTOPARAME-TRICBEZIERSURFACEANDITSAPPLICATIONINCOMPLEXSURFACENCMEASURINGANALYSISLiJiangxion......
The success of compliant mechanism design by structural topology optimization approach depends,to a large extent,on its ......
采用拓扑优化技术进行柔顺机构设计成功与否在很大程度上取决于所采用的机构几何表述方式.本文提出了一种全新的基于成对曲线组合(......
为了研究轴流叶片前缘段保凸性对风扇性能的影响,采用Bezier曲线对某空调开式轴流风扇叶片子午面进行参数设计,结合大涡模拟中声类......
Optimization analysis and computational fluid dynamics(CFDs) have been applied simultaneously, in which a parametric mod......
Constructing Bernstein-Bezier triangular interpolating curve surface interpolating a series of arbitrary disordered data......
提出了用于几何造型的广义力的概念，定义了相似曲线并证明了有关推论．给出了合成子特征多边形的方法．这个特征多边形依赖于广义力，并且......
对Ｂｅｚｉｅｒ曲线和Ｂ样条曲线用于二维结构边界表述基本问题进行了探讨．通过对Ｂｅｚｉｅｒ曲线和Ｂ样条曲线的生成算法与特点进行分析与比较，为不同应用场合选......
Based on the Sanders thin shell theory and Reddy’s higher order shell theory, a general refined shell theory is develo......
N0.1Design and development of WLAN aceess Point based on Bluetooth and uClinux·····················......
A new local control spline based on shape parameters with G~2 continuity,called BLC-spline,is pro-posed.Not only is BLC......
When the noncircular gear pair is applied to the continuously variable transmission (CVT) with gear, the transmission ra......
AERODYNAMIC OPTIMIZATION FOR TURBINE BLADE BASED ON HIERARCHICAL FAIR COMPETITION GENETIC ALGORITHMS
A global optimization approach to turbine blade design based on hierarchical fair competition genetic algorithms with dy......
G01 code generated by a computer-aided manufacture(CAM) system is the most common form of tool trajectory in computer nu......
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结合船型设计技术的最新发展动态,将CFD数值评估技术与最优化理论及船体几何自动重构技术相整合,在国内提出了全新的"船舶球艏构型......
自动泊车系统是为了解决倒车入位的复杂性问题而研发的一项智能化的新技术。根据Ackermann steering geometry(阿克曼转向几何学),......
In this paper we construct developable surface patches which are bounded by two rational or NURBS curves,though the resu......
Five-Axis Interpolation of Continuous Short Linear Trajectories for 3[PP]S-XY Hybrid Mechanism by Du
A novel five-axis real-time interpolation algorithm for 3[PP]S-XY hybrid mechanism is proposed in this paper. In the alg......
As an intrinsic measure of smoothness, geometric continuity is an important problem in the fields of computer aided geo-......
本文介绍了Bézier曲线,并通过对三次Bézier曲线的分析,结合机器人足球仿真系统,采用相交圆算法选取控制点,使用Bézier曲线实现......
曲线造型是刺绣CAD系统的基础,本文归纳分析了该场景下的应用需求,提出采纳Bézier三次有理曲线作为造型曲线,并对曲线段之间在边......
水下运动目标 (运动探测器、救生潜艇等 )的三维运动姿态及轨迹的显示是现代海洋资源调查和海上防救活动中的一个十分重要的研究课......
简要介绍了Bezier曲线的定义、性质和Bézier曲线G2阶连续性拼接的方法,并应用Fortran语言编程实现了Bézier曲线G2阶连续性拼接.......
在Bezier曲线的图像混合信息隐藏算法的基础上,提出算法的改进.用它可以安全可靠地隐藏和恢复任何二进制信息.这种算法的信息隐藏......
任意次的F-Bézier基统一了三角多项式空间上的C-Bézier基和双曲多项式空间上的H-Bézier基,我们证明这种基函数具有类似于基函数......
This paper presents a new basis, the WSB basis, which unifies the Bemstein basis, Wang-Ball basis and Said-Ball basis, a......
本文介绍了线切割CADC/AM系统的自由曲线生成方法。通过比较Bezier曲线、B样条曲线、非均匀有理B样条(NURBS)曲线等主要造型方法,......
本文介绍了线切割CADC/AM系统的自由曲线生成方法。通过比较Bezier曲线、B样条曲线、非均匀有理B样条(NURBS)曲线等主要造型方法,......
混流泵的叶片为空间曲面体,制造工艺复杂.由于Bezier曲面具有装配灵活、生成快速、适应性强和应用范围广等优点,使用特征多边形控......
本文主要讨论了在绘制自然场景时,对植物形态的构造和绘制.当植物距离视点较远时,可以用公告板技术对其形态进行构造和绘制;而当植......
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An efficient multi-threshold approach to segment thermal image is given based on wavelet transform. Thegray-level histog......
三次Bezier曲线是常用的一种曲线,本文在讨论其传统生成算法的基础上,又进行了进一步的改进,使其生成速度大大提高。......
为了获得气动性能更优的风力机叶片,提出一种基于量子遗传的叶片气动性能优化方法。用Bézier曲线控制点作为设计变量表示叶片......
将单一染料染色反射光谱表示成由控制点和Bernstein基组成的Bezier曲线,分析单一染料质量分数与对应的Bezier曲线控制点之间的关系......
