Distributed pod wing modeling and aeroelastic analysis
Distributed pod wing modeling and aeroelastic analysis
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CHENG, Yi , YU, Zhihao , ZHAO, Jinrui and ZHOU, Yun
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Xi'an: EDP Sciences
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Xi'an: EDP Sciences
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基于准线性化隐式建模方法, 建立适用于大展弦比机翼的动力学模型, 研究分布式吊舱机翼的气动弹性特点。其中结构模型采用中等变形梁模型, 气动模型采用准定常理论, 利用小扰动和有限差分法, 建立求解机翼气弹稳定性的方法。在验证结构和气动模型准确性基础上, 研究吊舱的个数、质量、展向站位、弦向/法向偏置等参数对分布式吊舱机翼气动特性的影响。分析结果发现: 吊舱越靠近机翼中部、弦向和法向偏置越大机翼稳定性越高, 但质量分布不均时反而会降低稳定性; 机翼经历了振动收敛、单频简谐振动和倍频简谐振动, 其颤振形式为面内外弯曲和扭转耦合, 三维效应显著。文中的方法能够有效描述分布式吊舱机翼的气动弹性特性。
Based on the quasi-linearized implicit aeroelast...
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Distributed pod wing modeling and aeroelastic analysis
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TN_cdi_doaj_primary_oai_doaj_org_article_d2514e3366b244eb8d21bfea2c21ec6a
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_doaj_primary_oai_doaj_org_article_d2514e3366b244eb8d21bfea2c21ec6a
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1000-2758
E-ISSN
2609-7125
DOI
10.1051/jnwpu/20224051100
