2013
DOI: 10.1049/iet-smt.2012.0069
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Mesh optimisation methods for unstructured transmission‐line modelling

Abstract: Transmission-line modelling (TLM) is a valuable technique for numerical simulation of electromagnetic fields. Recently, investigations have been successfully carried out into the use of the TLM approach on unstructured meshes However, as the local characteristics of mesh geometry will clearly make an impact upon the fidelity of simulations, it is necessary to examine suitable techniques for mesh optimisation. Three different methods have been investigated here to find optimal meshes for subsequent TLM simulati… Show more

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Cited by 5 publications
(1 citation statement)
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“…Fig. 6 assesses the sensitivity of the approach to mesh quality: Good quality triangles are quasi-equilateral (Q-factor <2) and poor triangles are those possessing either a small (<10°) or a large (>170°) angle [20,21]. The Delaunay mesh refinement process recursively splits poor triangles at their circumcentre to achieve either better quality or smaller elements, so it is actually difficult to generate small element area, poor quality, meshes as splitting for area naturally improves the quality as well.…”
Section: Coaxial Cablementioning
confidence: 99%
“…Fig. 6 assesses the sensitivity of the approach to mesh quality: Good quality triangles are quasi-equilateral (Q-factor <2) and poor triangles are those possessing either a small (<10°) or a large (>170°) angle [20,21]. The Delaunay mesh refinement process recursively splits poor triangles at their circumcentre to achieve either better quality or smaller elements, so it is actually difficult to generate small element area, poor quality, meshes as splitting for area naturally improves the quality as well.…”
Section: Coaxial Cablementioning
confidence: 99%