Static aeroelastic analysis of a flying-wing using different models

被引：0

作者：

Chen, Dawei ^{[1
]}

Yang, Guowei ^{[1
]}

机构：

[1] LHD of Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China

来源：

Lixue Xuebao/Chinese Journal of Theoretical and Applied Mechanics | 2009年 / 41卷 / 04期

关键词：

Delta wing aircraft - Matrix algebra - Aeroelasticity - Deformation - Modal analysis;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A loosely-coupled procedure for static aeroelastic analysis of a flying wing is presented. Firstly, the flow solvers used are based on an Euler model and a RANS model with structured grid, and an Euler model with unstructured grid. Secondly, the structure modal analysis and flexibility matrix method are all applied. Furthermore, a theoretical case of the flying wing is carried out in cruise condition of Mach number of 0.6 and the angle of attack of 2 at 20 km altitude. The results show that the flexibility matrix method is more suitable for static aeroelastic analysis than the structure modal analysis. Meanwhile, a surface deflection method is validated to be more efficient than the grid deformation method in the computation analysis due to the three-dimensional geometries deformation.

引用

页码：469 / 479