### Abstract

A truncated, nonuniform, finite array of strips does not have a closed form solution. Using translational symmetry, a recursive algorithm that calculates the scattering solution with N log^{2}N computational complexity is described. First, the algorithm is validated with the method of moments for both the TM to-z and TE-to-z polarizations. Then the scattering solution from a large strip is calculated for both TE and TM polarizations. The current distribution for the TE polarization shows small-length-scale oscillations not present in the TM polarization.

Original language | English (US) |
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Pages (from-to) | 378-387 |

Number of pages | 10 |

Journal | Journal of Computational Physics |

Volume | 107 |

Issue number | 2 |

DOIs | |

State | Published - Aug 1993 |

### ASJC Scopus subject areas

- Numerical Analysis
- Modeling and Simulation
- Physics and Astronomy (miscellaneous)
- Physics and Astronomy(all)
- Computer Science Applications
- Computational Mathematics
- Applied Mathematics

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## Cite this

Chew, W. C., & Lu, C. C. (1993). A Fast Algorithm to Compute the Wave-Scattering Solution of a Large Strip.

*Journal of Computational Physics*,*107*(2), 378-387. https://doi.org/10.1006/jcph.1993.1152