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Abstract #2490

Computational fluid dynamics simulations guided by 3D PC-MRI data

Vinicius C. Rispoli 1,2 , Jon-Fredrik Nielsen 3 , Krishna S. Nayak 4 , and Joao L. A. Carvalho 1

1 Department of Electrical Engineering, University of Brasilia, Brasilia, DF, Brazil, 2 UnB Gama Faculty, University of Brasilia, Brasilia, DF, Brazil, 3 Biomedical Engineering, University of Michigan, Ann Arbor, MI, United States, 4 Electrical Engineering, University of Southern California, Los Angeles, CA, United States

Velocity fields measured with phase contrast (PC) MRI generally do not satisfy the equations of fluid dynamics. A framework for using MRI measurements to construct a flow field that satisfies such equation was previously described. However, only one MRI-measured velocity component was used to drive the computational fluid dynamics (CFD) solution. We investigate the use of 3D PC-MRI to guide the CFD calculations. The results show that MRI-guided CFD is effective in correcting the MRI-measured velocity field, and suggest that using 3D PC-MRI to guide the CFD solution produces results that are more truthful to the MRI measurements.

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