Table of Content

Open Access iconOpen Access

ABSTRACT

A comparison of various basis functions to linear stability of circular jet using MLPG method

Xie Ming-Liang1

The State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology,Wuhan, 430074, China

The International Conference on Computational & Experimental Engineering and Sciences 2010, 14(2), 57-62. https://doi.org/10.3970/icces.2010.014.057

Abstract

Various basis function based on Fourier-Chebyshev Petrov-Galerkin spectral method is described for computation of temporal linear stability in a circular jet. Basis functions presented here are exponentially mapped Chebyshev functions. There is a linear dependence between the components of the vector field according to the perturbation continuum equation. Therefore, there are only two degrees of freedom. According to the principle of permutation and combination, the basis function has three basic forms, i.e., the radial, azimuthal or axial component is free. The results show that three eigenvalues for various cases are consistent, but the basis function in case I is preferable for numerical computation.

Keywords


Cite This Article

Ming-Liang, X. (2010). A comparison of various basis functions to linear stability of circular jet using MLPG method. The International Conference on Computational & Experimental Engineering and Sciences, 14(2), 57–62.



cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
  • 880

    View

  • 586

    Download

  • 0

    Like

Share Link