基于CATIA的Formulas功能实现二次曲线的G2连续

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基于CATIA的Formulas功能实现二次曲线的G2连续
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G2 Continuous Conic Curve Is Realized Via CATIA-based Formulas Function

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摘要:

首先简要概述了物面压力分布与物面外形之间的关系,进而介绍了飞机外形设计中经常用到的一类曲线-二次曲线,并推导出二次曲线G2连续的条件和公式,最后介绍了在CATIA中运用Formulas功能实现二次曲线G2连续的方法,并以实例将该方法应用到飞机外形设计中。

Abstract:

In this paper,the correlation between surface pressure distribution and body geometry is addressed first, followed by an brief description for conic curve used widely and frequently in aircraft geometry design. A G2 continuous condition expression for conic curve is given. G2 continuous conic curve is realized via CATIA-based formulas, and applied to aircraft geometry design.

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陈学刚,赵小辉,王磊.基于CATIA的Formulas功能实现二次曲线的G2连续[J].民用飞机设计与研究,2011(2):43-Chen Xuegang, Zhao Xiaohui, Wang Lei. G2 Continuous Conic Curve Is Realized Via CATIA-based Formulas Function[J]. Civil Aircraft Design and Research,2011,(2):43-. ( in Chinese)

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