【风扇叶片的设计系统】涂华.pdf

目录 摘要 第一章绪论.,91概述国内外CAGD的现状 1课题的意义及目标.第二章风扇叶片曲面造型的数学模型.,2引言 2均匀双三次B-Spiine曲线的反求算法及边界处理 2均匀双三次B-Spline曲面的反求算法及边界处理 2反求过程的计算机实现及数据结钩.2本章小结 第三章对自由曲面光顺及消隐方法的探讨 3自由曲面消隐3几种典型消隐算法的简介.3曲线、曲面的光顺第四章家用风扇叶片曲面的设计4风扇叶片设计简介.
ABSTRCAT The inherent shortcoming reveals that the co-nception of the degigner is reflected bysamples with difficult modification and long cycle,etc.Significant and economicvalue in the design on computercogequently resides in where the imaginary sample styleisimmeddiatelycomeinto view ia color an
integrates theory of double cubic uniforn B-Spline curve and curved suriaco with engineering practice and confirms that in thispaper theories are corr- ect and programming are reliable.The program are finished in circumstancs of Turbo C2 system andPC-286system. 