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2009•IEEE Transactions on Microwave Theory and TechniquesRequires access

Implicit Element Clustering for Tetrahedral Transmission-Line Modeling (TLM)

P. Sewell, Trevor Mark Benson, C. Christopoulos, D.W.P. Thomas, Ana Vuković, James G. Wykes

Open publisher page 26 citations

Abstract

Time-domain electromagnetic simulations employing unstructured tetrahedral meshes can be sensitive to local mesh characteristics. In particular, the maximum permissible time step for stable operation can be unacceptably small. In this paper, a cell clustering technique is described for the transmission line modeling algorithm that reduces the sensitivity to local mesh characteristics and permits substantial increases in time step to be made without compromising accuracy or stability.

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What this paper is about

Time-domain electromagnetic simulations employing unstructured tetrahedral meshes can be sensitive to local mesh characteristics. In particular, the maximum permissible time step for stable operation can be unacceptably small. In this paper, a cell clustering technique is described for the transmission line modeling algorithm that reduces the sensitivity to local mesh characteristics and permits substantial increases in time step to be made without compromising accuracy or stability.

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OpenAlex reports 26 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Time-domain electromagnetic simulations employing unstructured tetrahedral meshes can be sensitive to local mesh characteristics. In particular, the maximum permissible time step for stable operation can be unacceptably small. In this paper, a cell clustering technique is described for the transmission line modeling algorithm that reduces the sensitivity to local mesh characteristics and permits substantial increases in time step to be made without compromising accuracy or stability.

Key concepts: Polygon mesh, Tetrahedron, Transmission line, Cluster analysis, Stability (learning theory), Electric power transmission, Sensitivity (control systems), Computational electromagnetics

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