An Operator-Difference Method for Telegraph Equations Arising in Transmission Lines

Mehmet Emir Koksal

Discrete Dynamics in Nature and Society, 2011, vol. 2011, 1-17

Abstract:

A second-order linear hyperbolic equation with time-derivative term subject to appropriate initial and Dirichlet boundary conditions is considered. Second-order unconditionally absolutely stable difference scheme in (Ashyralyev et al. 2011) generated by integer powers of space operator is modified for the equation. This difference scheme is unconditionally absolutely stable. Stability estimates for the solution of the difference scheme are presented. Various numerical examples are tested for showing the usefulness of the difference scheme. Numerical solutions of the examples are provided using modified unconditionally absolutely stable second-order operator-difference scheme. Finally, the obtained results are discussed by comparing with other existing numerical solutions. The modified difference scheme is applied to analyze a real engineering problem related with a lossy power transmission line.

Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:561015

DOI: 10.1155/2011/561015

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