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Abstract #4829

Hybrid inverse/FDTD computational electromagnetic methodology and its potential application in MR RF field design

Sherman Xuegang Xin 1,2 and Christopher Michael Collins 1

1 Bernard and Irene Schwartz Center for Biomedical Imaging, New York University School of Medicine, New York, NY, United States, 2 Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong, China

The inverse method in computational electromagnetic calculation has its particular advantage, that is, the source electromagnetic field can be specially designed from the targeted field, which can be designed exactly. However, it is difficult to directly use inverse method for the human body in the high-field MR environment, where the complicated coil-tissue interaction must be considered. A new methodology, i.e. hybrid inverse/FDTD method, which has not been reported previously to the best of the authors knowledge, was proposed here for goal-oriented RF source field design loaded with human body at high-field MRI.

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