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Abstract #4252

FDTD Simulation of embedded Elongated Conductors: Impact of Voxelization Errors and Model Simplification

J. Nuno Teixeira1, Shaihan Malik1,2, and Joseph V Hajnal1,2
1Biomedical Engineering Department, School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom, 2Centre for the Developing Brain, School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom

Several MRI scenarios can be studied by using electromagnetic simulation tools. The most common EM simulation software requires spatial discretization which can, for narrow objects like elongated conductors, become computationally heavy and time consuming. To avoid that, such objects are typically discretized suboptimally. Here, using FDTD simulations, we explore how these practices can often lead to errors which are not trivial to track and how simple changes in modelling can lead to significatively different results.

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