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Mixed Spectral Method for Heat Transfer Using Generalised Hermite Functions and Legendre Polynomials

  • Tian-Jun Wang (a1), Chao Zhang (a2) (a3) and Qiong Zhang (a1)

We propose amixed spectral method for heat transfer in unbounded domains, using generalised Hermite functions and Legendre polynomials. Some basic results on the mixed generalised Hermite-Legendre orthogonal approximation are established, which plays important roles in spectral methods for various problems defined on unbounded domains. As an example, the mixed generalised Hermite-Legendre spectral scheme is constructed for anisotropic heat transfer. Its convergence is proven, and some numerical results demonstrate the spectral accuracy of this approach.

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*Corresponding author. Email address: (T.-J. Wang)
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East Asian Journal on Applied Mathematics
  • ISSN: 2079-7362
  • EISSN: 2079-7370
  • URL: /core/journals/east-asian-journal-on-applied-mathematics
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