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2010•Unpublished venueRequires access

Singularity-enhanced implementation for diagonal long thin wire

Feng Lu, Jie-Yi Fan, Li-Hua Shi, Yanxin Li, Bihua Zhou

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Abstract

New finite-difference time-domain (FDTD) update equations for long thin wire are presented. The axis of long thin wire is assumed to be diagonal to the Yee cell faces. Derived using the contour-path method, the new equations properly models the singular field near the long thin wire. A dramatic improvement in computed accuracy was observed when a stripline with long thin wire diagonal to the Yee cell faces in FDTD grid was analyzed using the new FDTD equations.

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What this paper is about

New finite-difference time-domain (FDTD) update equations for long thin wire are presented. The axis of long thin wire is assumed to be diagonal to the Yee cell faces. Derived using the contour-path method, the new equations properly models the singular field near the long thin wire. A dramatic improvement in computed accuracy was observed when a stripline with long thin wire diagonal to the Yee cell faces in FDTD grid was analyzed using the new FDTD equations.

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Available abstract

New finite-difference time-domain (FDTD) update equations for long thin wire are presented. The axis of long thin wire is assumed to be diagonal to the Yee cell faces. Derived using the contour-path method, the new equations properly models the singular field near the long thin wire. A dramatic improvement in computed accuracy was observed when a stripline with long thin wire diagonal to the Yee cell faces in FDTD grid was analyzed using the new FDTD equations.

Key concepts: Finite-difference time-domain method, Diagonal, Stripline, Singularity, Finite difference method, Mathematical analysis, Electrical conductor, Grid

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