收稿日期: 2004-12-15
修回日期: 2005-01-13
网络出版日期: 2005-11-15
基金资助
国家自然科学基金项目(90305009);中国科学院创新项目(KJCX-SW-L04,KJCX2-SW-L2)
A Numerical Study on the Aerodynamics Effects of Time-Changing Wing Flexible Deformation in its Flapping Motions
Received date: 2004-12-15
Revised date: 2005-01-13
Online published: 2005-11-15
鲍麟 , 童秉纲 . 模型翼拍动中动态柔性变形效应的数值研究[J]. 中国科学院大学学报, 2005 , 22(6) : 676 -684 . DOI: 10.7523/j.issn.2095-6134.2005.6.003
A computational fluid dynamic study,based on 2-D incompressible Navier-Stokes Equations,is presented to investigate the aerodynamics effects of time-changing wing flexible deformation in its flapping.Two elementary motions of the wing flapping,i.e. accelerated translation and non-uniform rotation,are studied,in which both the flexible and rigid wing cases are compared.It is revealed that in comparison of the rigid wing case,the wing deformation acceleration in the flexible wing case leads to the added inertial effect,which causes a lot of change in instantaneous aerodynamic performance of the wing.With regard to the time-averaged one,the flexibility effect is much less.
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