A.E.S. Silva, P.A.M. Lobarinhas, and S.F.C.F. Teixeira (Portugal)
Grid, Computational Fluid Dynamics, Cardiovascular, Hemodynamic
As the heart pumps blood in a cyclic way, blood flow in arteries can be firstly characterized for its unsteady and variable nature. Blood flow is normally laminar but its pulsatile nature and the presence of branches and curves in the cardiovascular system result in a highly tridimensional flow. The application of Computational Fluid Dynamics (CFD) has become an important tool in the investigation of the blood flow in arteries. However, in order to reach its full potential in cardiovascular applications, CFD models have to be able to capture the significant changes in velocity gradients at each point along the cardiac cycle. It is known that the quality of the grid is an essential aspect in the quality of the solution obtained. The purpose of the present work is to study the importance of grid generation in cardiovascular applications.
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