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A Nonsingular Integral Formulation for the Helmholtz Eigen-problems of a Circular Domain

This report explores a novel approach using imaginary-part kernels to develop a nonsingular integral formulation for Helmholtz eigen-problems in circular domains. The study focuses on eigensolutions of a two-dimensional circular domain and discusses Hutchinson's technique to avoid spurious eigensolutions.

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A Nonsingular Integral Formulation for the Helmholtz Eigen-problems of a Circular Domain

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  1. A Nonsingular Integral Formulation for the Helmholtz Eigen-problems of a Circular Domain Advisor: CHEN.J.T Reporter: HSEIH.C.H

  2. Outline

  3. U.T.L.M

  4. Eigen-value &Eigen-vector

  5. Eigen-value &Eigen-vector

  6. Eigen-value &Eigen-vector

  7. Conclusions • Helmholtz eigen-problem use imaginary-part kernels develop to a nonsingular integral formulation; it results in spurious eigensolutions. • An eigensolutions of two-dimensional circular domain is studied . • Hutchinson’s sorting technique of the possible failure of looking at modal shapes.

  8. Thanks for your attentions

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