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Abstract #2493

GPU accelerated calculations of the scattered RF-field due to a dielectric update without extensive pre-calculated data.

Peter Stijnman1, Bart Steensma1, Cornelis van den Berg1, and Alexander Raaijmakers1,2
1Computational Imaging, UMC Utrecht, Utrecht, Netherlands, 2Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands

Previous work showed that the scattered RF-fields created by dielectric pads and medical implants can quickly be calculated. The method requires an extensive offline calculation stage and a lot of memory. We propose an extension to the method that removes these two problems by using a volume integral equation solver. This allows us to do the entire calculation on a GPU for more acceleration. The resulting scattered electric fields have a maximum difference of 3.2% with respect to FDTD, while currently being a 106 times faster. Eventually, we want to use this method for patient-specific implant RF-safety assessment.

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