Matrix perturbation theory in field computation by moment methods

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Matrix perturbation theory in field computation by moment methods

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© The Institution of Electrical Engineers
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A novel matrix perturbation theory in field computation by the moment method is presented, which can be used to calculate the field distributions of a partially varied system rapidly based on its original form. Compared with the usual moment methods, the new theory not only has an equivalent precision, but can save 60 times the execution time. This theory is especially suitable for the inside field computation of a biological body which has various diseases.

Inspec keywords: matrix algebra; electromagnetic field theory; biophysics

Other keywords: field computation; matrix perturbation theory; moment methods; biological body; partially varied system; field distributions

Subjects: General, theoretical, and mathematical biophysics; Steady-state electromagnetic fields; electromagnetic induction; Algebra; Electric and magnetic fields

References

    1. 1)
      • D.E. Livesay , K.M. Chen . Electromagnetic fields induced inside arbitrarily shaped biological bodies. IEEE Trans. , 12 , 1273 - 1280
    2. 2)
      • J.C. Chen , B.K. Wada . Matrix perturbation for structural dynamics. AIAA Journal , 8
    3. 3)
      • J.H. Richmond . Scattering by a dielectric cylinder of arbitrary cross section shape. IEEE Trans. , 3 , 334 - 341
    4. 4)
      • R.F. Harrington . (1968) , Field computation by moment methods.
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