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航空学报  2014 

一种基于光固化快速成型的飞机静弹性风洞试验模型设计方法

DOI: 10.7527/S1000-6893.2013.0415, PP. 1193-1199

Keywords: 静弹性模型,风洞试验,光固化快速成型,刚度分布,模型设计

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Abstract:

高速风洞静弹性模型设计和制造是静弹性风洞试验的一个关键。为解决模型设计周期长、制造费用高等问题,提出了一种基于立体光固化快速成型面向高速风洞大展弦比机翼静弹性模型研制方法。基于机翼刚度分布相似参数,采用机翼钢梁骨架和树脂蒙皮组合结构,通过优化结构尺寸完成静弹性模型结构设计;使用机械加工和快速成型技术完成模型制造,并通过地面刚度试验对加工模型进行了刚度分布验证。风洞试验结果表明基于立体光固化成型技术设计和制造的静弹性风洞试验模型工程实用、可行,与传统静弹性模型研制过程相比,具有研制周期短、成本低而且不存在因填充物带来附加刚度的显著优势。

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