The study has been carried out in the framework of heart perfusion. The myocardium is
usually irrigated by two coronary arteries, the entries of which are located in the Valsalva sinuses of
the aortic root, slightly above the open leaflets of the aortic valve. The present investigation is aimed
at determining a representative model of the thoracic aorta, especially of its ascending segment with
the aortic valve and the coronary arteries, as well as the aortic arch, which commonly gives rise to
three main branches irrigating the upper body parts, and the descending aorta. The model is developed
using a CAD software and then meshed. Finally, steady flow simulations are performed using the
CFD solver Fluent.
Air and blood flow in a set of deformable conduits. Nowadays, computational models of biofluid
flow are based on zoomed domains reconstructed from medical image processing. Such modeling is already
very useful in medical practice. However it splits the domain of interest from the remaining parts of the
network. Most often, crude boundary conditions are used (stress free outlet BCs). Moreover, the living system
corresponds to a frosen state, although physiological flows interact with cell lining the interface between fluid
and solid. Therefore, computational models of flow in normal and damaged bioconduits require couplings. The
talk will illustrate cases for which the nanoscale must be incorporate for future research.
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