The challenge at hand consists of predicting the performance of the MRI scanner over a wide range of input acceleration frequencies and determining the engineering changes required to reduce its sensitivity to FBV, via (a) the optimal selection of material parameters (i.e. shield conductivity, carbon fiber suspension stiffness) and (b) the shape optimization of the MRI scanner components (i.e. flat or round ends in radiation shield components). This requires the a-priori (and very accurate) knowledge of the effect of FBV on (a) the magnetic field distribution and (b) the output image quality. This can only be achieved via cutting-edge high-fidelity in-silico modeling tools, robustly benchmarked against available experimental data, and embedded within the design cycle at Siemens Healthineers via the use of Reduced-Order Modelling techniques which can permit the rapid variation of material parameters and/or geometrical features.
25 - 35, 36 - 60
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