论文信息 - Verication of a High-Order Unsteady Nonlinear CAA Code Using External Verication Analysis (EVA)

Verication of a High-Order Unsteady Nonlinear CAA Code Using External Verication Analysis (EVA)

As Computational Aeroacoustics (CAA) codes become more complex and widely used, robust Veri cation of such codes becomes more and more important. Recently, Hixon et al. proposed a variation of the Method of Manufactured Solutions of Roache especially suited for Verifying unsteady CFD and CAA codes that does not require the generation of source terms or any modi cation of the code being Veri ed. The present work will present the development of the EVA method and the results of its application to a high-order nonlinear CAA code.

Ray Hixon | David L. Rigby | Daniel Ingraham

[1] C. Tam,et al. Dispersion-relation-preserving finite difference schemes for computational acoustics , 1993 .

[2] Patrick J. Roache,et al. Verification and Validation in Computational Science and Engineering , 1998 .

[3] M. Nallasamy,et al. High-accuracy large-step explicit Runge-Kutta (HALE-RK) schemes for computational aeroacoustics , 2006, J. Comput. Phys..

[4] P. Roache. Code Verification by the Method of Manufactured Solutions , 2002 .

[5] A. Jameson. Time dependent calculations using multigrid, with applications to unsteady flows past airfoils and wings , 1991 .

[6] P. Roache. QUANTIFICATION OF UNCERTAINTY IN COMPUTATIONAL FLUID DYNAMICS , 1997 .

[7] M. Nallasamy,et al. Parallelization Strategy for an Explicit Computational Aeroacoustics Code , 2002 .

[8] M.Y. Hussaini,et al. Low-Dissipation and Low-Dispersion Runge-Kutta Schemes for Computational Acoustics , 1994 .

[9] Christopher J. Roy,et al. Review of code and solution verification procedures for computational simulation , 2005 .

[10] Patrick Knupp,et al. Verification of Computer Codes in Computational Science and Engineering , 2002 .

[11] S. Lele. Compact finite difference schemes with spectral-like resolution , 1992 .