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
收稿日期: 2013-06-19
修回日期: 2013-10-07
网络出版日期: 2013-11-16
基金资助
国家自然科学基金（51072385）
A Design Method of the Static Aeroelastic Aircraft Model Based on Stereolithgraphy for Wind Tunnel Test
Received date: 2013-06-19
Revised date: 2013-10-07
Online published: 2013-11-16
Supported by
National Natural Science Foundation of China (51072385)
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。
王超 , 张征宇 , 殷国富 , 孙岩 , 朱伟军 . 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[J]. 航空学报, 2014 , 35(5) : 1193 -1199 . DOI: 10.7527/S1000-6893.2013.0415
The design and fabrication of a static aeroelastic wind tunnel model play a key role in static aeroelastic wind tunnel test. In order to shorten the long design cycle and reduce high manufacturing cost on the wind tunnel model development, a method of design and fabrication for developing static aeroelastic aircraft models with a high-aspect-ratio wing based on stereolithgraphy is proposed for high speed wind tunnels. In view of the similar stiffness distribution parameters of the wing, the design of a static aeroelastic model which combines a beam frame with outer resin covers is conducted by optimizing the cross-section sizes of the structure components, and the fabrication is performed with machining and rapid prototyping technology, while the stiffness distribution of the wing is validated with ground stiffness testing. Wind tunnel testing tshows that the method of design and fabrication of the static aeroelastic model based on stereolithgraphy is practical and feasible, and it is valuable because of its shorter period of work, lower costs and the benefit of avoiding additional stiffness due to packing as compared with traditional static aeroelastic models.
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