Journal
COMPUTER PHYSICS COMMUNICATIONS
Volume 181, Issue 3, Pages 462-472Publisher
ELSEVIER
DOI: 10.1016/j.cpc.2009.10.017
Keywords
Lattice Boltzmann; Computational hemodynamics; Atherosclerosis; Accelerator-based supercomputing
Funding
- Harvard School of Engineering and Applied Sciences
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We present a computational method for commodity hardware-based clinical cardiovascular diagnosis based on accurate simulation of cardiovascular blood flow. Our approach leverages the flexibility of the Lattice Boltzmann method to implementation on high-performance, commodity hardware. such as Graphical Processing Units. We developed the procedure for the analysis of real-life cardiovascular blood flow case studies. namely, anatomic data acquisition, geometry and mesh generation, flow simulation and data analysis and visualization. We demonstrate the usefulness of our computational tool through a set of large-scale simulations of the flow patterns associated with the arterial tree of a patient which involves two hundred million computational cells. The simulations show evidence of a very rich and heterogeneous endothelial shear stress pattern (ESS), a quantity of recognized key relevance to the localization and progression of major cardiovascular diseases, such as atherosclerosis, and set the stage for future studies involving pulsatile flows. (C) 2009 Elsevier B.V. All rights reserved.
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