Comparison between the phase contrast MRI and the Lattice Boltzmann method of computational fluid dynamics for a turbulent flow in vitro using an aortic valve phantom

摘要

Phase contrast magnetic resonance imaging (PC MRI) is an established method of flow assessment in cardiac patients. Its limitations (turbulent flow, implanted stents etc.) can be circumvented by its coupling with computational fluid dynamics (CFD) [1]. Common CFD models suffer from impractically long computational times. In this work, a relatively new model based on a different approach is concerned, the lattice Boltzmann method (LBM), and the results from the implemented LBM are compared to in vitro PC MRI data.