Parallel implementation of localized radial basis function interpolation for computational aeroelastic predictions

Gang Wang, Haris Hameed Mian, Zheng Yin Ye, Jen Der Lee

科研成果: 书/报告/会议事项章节会议稿件同行评审

2 引用 (Scopus)

摘要

Mesh deformation and data interpolation using radial basis functions (RBF) in combination with data reduction greedy algorithm has proven to be an efficient method, both in providing high quality deformed meshes and speed up computations. In the present work an in-house hybrid unstructured Reynoldsaveraged Navier-Stokes solver (HUNS3D) has been extended to include dynamic mesh motion and aeroelastic behavior prediction. For present computational aeroelastic simulations, RBF interpolation serves as single subroutine and carries out the required data interpolation for both the surface loads and deformations. For mesh motion and displacement interpolation the already developed RBF interpolation methods works reasonably well. But for interpolation of aerodynamic loads the current procedures become expensive in terms of computational time and are greatly influenced by the parameters used in the interpolation. In this paper a more efficient and robust method is presented that localizes the interpolation. This method resembles in concept to the pointwise form of partition of unity method but somewhat differs in its implementation. It is efficient in terms of computational time and can be readily parallelized. Also it reduces the influence of the interpolation parameters on the coupling behavior. The proposed method has been tested by performing static aeroelastic computations in transonic flow over the AGARD 445.6 wing, HIRENASD wing/body configuration and a flexible wing with spar-rib-skin construction. The method has shown its effectiveness in aeroelastic behavior prediction for different aerodynamic configurations.

源语言英语
主期刊名Parallel Computational Fluid Dynamics - 25th International Conference, ParCFD 2013, Revised Selected Papers
出版商Springer Verlag
11-24
页数14
ISBN(印刷版)9783642539619
出版状态已出版 - 2014
活动26th International Conference on Parallel Computational Fluid Dynamics, ParCFD 2013 - Changsha, 中国
期限: 20 5月 201324 5月 2013

出版系列

姓名Communications in Computer and Information Science
405
ISSN(印刷版)1865-0929

会议

会议26th International Conference on Parallel Computational Fluid Dynamics, ParCFD 2013
国家/地区中国
Changsha
时期20/05/1324/05/13

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