Jian-Ming Jin's Finite Element Analysis of Antennas and Arrays PDF

By Jian-Ming Jin

ISBN-10: 0470401281

ISBN-13: 9780470401286

ISBN-10: 047040972X

ISBN-13: 9780470409725

The main whole, up to date assurance of the Finite point research and Modeling of Antennas and Arrays

aimed toward researchers in addition to useful engineers—and full of over two hundred illustrations together with twenty-two colour plates—Finite point research of Antennas and Arrays offers:

  • Time- and frequency-domain formulations and mesh truncation recommendations

  • Antenna resource modeling and parameter calculation

  • Modeling of advanced fabrics and tremendous geometrical info

  • research and modeling of narrowband and broadband antennas

  • research and modeling of countless and finite phased-array antennas

  • research and modeling of antenna and platform interactions

spotting the strengths of different numerical tools, this e-book is going past the finite point technique and covers hybrid thoughts that mix the finite aspect process with the finite distinction time-domain technique, the strategy of moments, and the high-frequency asymptotic easy methods to successfully take care of various complicated antenna difficulties.

Complemented with quite a few examples, this state-of-the-art source totally demonstrates the facility and functions of the finite aspect research and its many sensible purposes.

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Extra info for Finite Element Analysis of Antennas and Arrays

Example text

N. Montgomery, R. Hutchins, and D. J. Riley, “Thin-wire hybrid FETD/FDTD broadband antenna predictions,” USNC/URSI Natl. Radio Sci. Mtg. , p. 194, July 2001. 82. D. Jiao and J. M. Jin, “Time-domain finite element simulation of cavity-backed microstrip patch antennas,” Microwave Opt. Tech. , vol. 32, no. 4, pp. 251–254, Feb. 2002. 83. F. Edelvik, G. Ledfelt, P. Lotstedt, and D. J. Riley, “An unconditionally stable subcell model for arbitrarily oriented thin wires in the FETD method,” IEEE Trans. , vol.

A preconditioner can be constructed based on physical insight into the problem or on the structure of the original matrix.

The convolution term and Q(t) can be evaluated by using various approaches discussed in the preceding sections. Here, we summarize their evaluations by using the approach that renders the time-marching solution unconditionally stable. 113) 0 ↔ χ ke = (k+1/2) t (k−1/2) t ↔ χ e (τ ) dτ k > 0. 114) ↔ As shown earlier, if χ e can be represented by a pole expansion, this convolution can be evaluated efficiently by using a recursive relation. 103) to obtain ↔ μ0 μ∞ · ∂H(t) ∂H(t) ↔ ↔ = −∇ × E(t) − σ m · H(t) − μ0 χ m (t) ∗ − Mimp (t).

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Finite Element Analysis of Antennas and Arrays by Jian-Ming Jin

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