Fast Local SAR Simulation by Domain-Decomposition

Real-time Local SAR simulation is critical to the success of multi-channel RF transmission at high fields. The speed of conventional electromagnetic simulation methods is insufficient even on parallel computation platforms. We propose a novel domain-decomposition method that applies different numerical algorithms in the interior and the exterior of a human body model. These different methods then interface on the surface of the human body model. Preliminary studies show that on a single-core CPU, simulating an eight-channel brain imaging array only in 30 seconds.

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