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Abstract #5461

Analytic Validation of a Computational Model of Magnetic Force in Linear Magnetic Materials

Spencer B Parent1, William Handler2, John Drozd2, and Blaine A Chronik1,2

1Medical Biophysics, Western University, London, ON, Canada, 2Physics and Astronomy, Western University, London, ON, Canada

The current procedures and guidelines for testing forces on medical devices require that testing be performed in a MR setting, which is both timely and costly. To reduce test time and cost, a computational model of magnetic force was developed. Using a test case where an analytic solution of magnetic force can be applied, it is shown that for materials with magnetic susceptibility (chi)<105 ppm, a computational model of magnetic force was correct within 10% error and this error decreases to less than 1% for chi<104 ppm. Size of object is shown to have little effect on error.

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