Journal
PHYSICS OF FLUIDS
Volume 33, Issue 11, Pages -Publisher
AIP Publishing
DOI: 10.1063/5.0069560
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Funding
- Natural Sciences and Engineering Research Council of Canada [343164-07]
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By optimizing experimental AAA flow models, this study proposes a method to assess AAA severity based on underlying flow, with simplified models capturing relevant pathological flow features for a more comprehensive clinical evaluation.
Although flow characteristics in abdominal aortic aneurysms (AAAs) have been extensively studied, they have not found their way into the clinical evaluation of the disease. We, therefore, present experimental AAA flow models, optimized using spectral proper orthogonal decomposition, to aid in gauging AAA severity based on the underlying flow. The resulting reduced-order AAA flow models capture pertinent pathological flow features. With progressive aneurysm expansion, the flow becomes increasingly complex, accompanied by larger vortical structures and elevated particle residence time. The presented models can lead to a more comprehensive clinical evaluation that includes patient-specific flow information.
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