Abstract #4221

Finite Element Vibration Analysis of Multi-Coil B0 Hardware for Human Brain MRI

Sebastian Theilenberg¹, Jalal Ghazouani^1,2, and Christoph Juchem^1,3

¹Department of Biomedical Engineering, Columbia University in the City of New York, New York, NY, United States, ²Hamburg University of Technology, Hamburg, Germany, ³Department of Radiology, Columbia University in the City of New York, New York, NY, United States

As part of the design of a novel head-only scanner for improved accessibility of MRI and advanced motor coordination studies, we developed a finite element model of the expected vibration modes of a multi-coil array capable of generating linear and non-linear MRI encoding fields. We found significant resonances in the frequency range of interest whose shape and position can be altered by mechanical uncoupling of the array through mounting via rubber elements.

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