Applied CAD Systems and Applications Based on the C3D Geometric Modeling Kernel, Used For the Design of Products with Functional Curves

Valerian Gaynizamanovich Muftejev, Artyom Eduardovich Maksimenko, R. I. Akhmetshin, Alexander P. Zelev, R. Ziatdinov, F. T. Ziganshina, Rifkat Ilshatovich Nabiev, I. Farkhutdinov, Mukharyam Minniyarovich Fattakhov
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Abstract

The following article illustrates the methods of geometric modelling of functional curves; the quality of which determines the design characteristics of an industrial product. The problem with the low quality of existing methods in geometric modelling of functional curves is identified. To solve this problem, the article proposes the use of the features of the C3D FairCurveModeler geometric modelling kernel developed for high-quality curve modelling, according to smoothness criteria (class F curves). The features of the C3D FairCurveModeler geometric modelling kernel are based on engineering and computational geometry, as well as the NURBS theory. The C3D FairCurveModeler has a great potential for industrial modelling applications, as it can improve a product's characteristics by refining its shape quality. The C3D FairCurveModeler release applications for CAD and Microsoft Excel platforms; the WebFairCurveModeler cloud product developed based on libraries of the C3D geometric modelling kernel are offered to accelerate the implementation of the C3D FairCurveModeler features in the engineering practice. Specialized CAD applications, as well as applications based on the C3D FairCurveModeler, are presented for modelling of a plough working surface, an aerodynamic profile, gas turbine engine, steam turbine blade profiles, flat cam profile, a road and aesthetic curves.
基于C3D几何建模内核的功能曲线产品设计CAD系统及应用
下面的文章阐述了函数曲线的几何建模方法;其质量决定了工业产品的设计特性。指出了现有函数曲线几何建模方法质量较低的问题。为了解决这一问题,本文提出利用C3D FairCurveModeler几何建模内核的特点,根据平滑标准(F类曲线)开发高质量的曲线建模。FairCurveModeler几何建模内核的特点是基于工程几何和计算几何,以及NURBS理论。C3D FairCurveModeler在工业建模应用中具有巨大的潜力,因为它可以通过改善产品的形状质量来改善产品的特性。CAD和Microsoft Excel平台的C3D FairCurveModeler发布应用程序;提出了基于C3D几何建模内核库开发的WebFairCurveModeler云产品,以加速C3D FairCurveModeler特性在工程实践中的实现。专门的CAD应用程序,以及基于C3D FairCurveModeler的应用程序,介绍了犁工作面、空气动力学剖面、燃气涡轮发动机、蒸汽涡轮叶片剖面、平坦凸轮剖面、道路和美学曲线的建模。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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