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Two-Dimensional Coupled Electrothermal Method Based on the Unstructured Transmission-Line Modelling Method for Lightning Protection Simulations (2024)
Journal Article
Yan, K., Vukovic, A., & Sewell, P. (2024). Two-Dimensional Coupled Electrothermal Method Based on the Unstructured Transmission-Line Modelling Method for Lightning Protection Simulations. IEEE Journal on Multiscale and Multiphysics Computational Techniques, 9, 208 - 217. https://doi.org/10.1109/jmmct.2024.3421958

This paper outlines a fully coupled electrothermal time-domain method to model the effects of lightning strikes and the formation of plasma. The plasma material is described by using the Drude model. This method predicts the formation of the discharg... Read More about Two-Dimensional Coupled Electrothermal Method Based on the Unstructured Transmission-Line Modelling Method for Lightning Protection Simulations.

Assessment of the Robustness of Flexible Antennas to Complex Deformations (2023)
Journal Article
Altinozen, E., Vukovic, A., & Sewell, P. (2023). Assessment of the Robustness of Flexible Antennas to Complex Deformations. IEEE Transactions on Antennas and Propagation, 71(6), 4714-4723. https://doi.org/10.1109/TAP.2023.3262671

Wearable antennas can suffer from a variety of mechanical deformations that are induced by the body dynamic. The paper analyses how these complex deformations impact the performance of a flexible antenna operating in the 5-6 GHz band. The Green Coord... Read More about Assessment of the Robustness of Flexible Antennas to Complex Deformations.

Holistic Analysis of Conformal Antennas using the Cylindrical TLM Method (2023)
Journal Article
Dimitrijevic, T., Vukovic, A., Atanaskovic, A., Jokovic, J., Sewell, P., & Doncov, N. (2023). Holistic Analysis of Conformal Antennas using the Cylindrical TLM Method. IEEE Transactions on Antennas and Propagation, 71(5), 4028-4035. https://doi.org/10.1109/tap.2023.3260633

The impact of deformations on wearable antenna performance has been analyzed both experimentally and computationally. However, the reported results have been inconsistent and often contradictory. This paper highlights how the choice of computational... Read More about Holistic Analysis of Conformal Antennas using the Cylindrical TLM Method.

Assessing the Impact of Twisting and Bending Deformations on Flexible Interconnect Performance (2022)
Journal Article
Altinozen, E., Vukovic, A., & Sewell, P. (2022). Assessing the Impact of Twisting and Bending Deformations on Flexible Interconnect Performance. IEEE journal on flexible electronics, https://doi.org/10.1109/jflex.2022.3232470

Flexible interconnects are essential components for signal transmission for foldable and wearable electronics. As such they are exposed to a variety of mechanical deformations that can degrade their electromagnetic performance. This paper analyses th... Read More about Assessing the Impact of Twisting and Bending Deformations on Flexible Interconnect Performance.

Two-Dimensional Thermal Diffusion Equation Solver Based on Unstructured Transmission-Line Modelling and Optimal Delaunay Triangular Meshes (2022)
Journal Article
Yan, K., Vukovic, A., Sewell, P., & Benson, T. M. (2022). Two-Dimensional Thermal Diffusion Equation Solver Based on Unstructured Transmission-Line Modelling and Optimal Delaunay Triangular Meshes. IEEE Journal on Multiscale and Multiphysics Computational Techniques, https://doi.org/10.1109/JMMCT.2022.3209071

The transmission-line modelling (TLM) method has been widely applied to many areas including electromagnetic and heat conduction problems. Its unstructured version, unstructured TLM (UTLM), however, has not hitherto been fully exploited in thermal di... Read More about Two-Dimensional Thermal Diffusion Equation Solver Based on Unstructured Transmission-Line Modelling and Optimal Delaunay Triangular Meshes.

Impact of In-Situ Radome Lightning Diverter Strips on Antenna Performance (2020)
Journal Article
Vukovic, A., Sewell, P., & Benson, T. M. (2020). Impact of In-Situ Radome Lightning Diverter Strips on Antenna Performance. IEEE Transactions on Antennas and Propagation, 68(11), 7287-7296. https://doi.org/10.1109/tap.2020.2998169

Lightning diverter strips are commonly used to protect the antenna and sensitive equipment within an airborne radome. This paper compares the impact of solid metallic and segmented diverter strips on the radiation properties of the enclosed antenna.... Read More about Impact of In-Situ Radome Lightning Diverter Strips on Antenna Performance.

Stretched-coordinate PML in 2D TLM simulations (2020)
Journal Article
Odeyemi, J. S., Vukovic, A., Benson, T. M., & Sewell, P. (2020). Stretched-coordinate PML in 2D TLM simulations. IET Science Measurement and Technology, 14(3), 272-277. https://doi.org/10.1049/iet-smt.2019.0340

A novel implementation of the stretched coordinate perfectly matched layer (PML) is presented for the two-dimensional (2D) transmission line modelling (TLM) method. The formulation offers a unified approach and is based on the mapping of the TLM node... Read More about Stretched-coordinate PML in 2D TLM simulations.