Commenced in January 2007
Paper Count: 30174
A Comparative Study of Transient Flow through Cerebral Aneurysms using CFD
Abstract:The recent advances in computational fluid dynamics (CFD) can be useful in observing the detailed hemodynamics in cerebral aneurysms for understanding not only their formation and rupture but also for clinical evaluation and treatment. However, important hemodynamic quantities are difficult to measure in vivo. In the present study, an approximate model of normal middle cerebral artery (MCA) along with two cases consisting broad and narrow saccular aneurysms are analyzed. The models are generated in ANSYS WORKBENCH and transient analysis is performed in ANSYS-CFX. The results obtained are compared for three cases and agree well with the available literature.
Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1060834Procedia APA BibTeX Chicago EndNote Harvard JSON MLA RIS XML ISO 690 PDF Downloads 1331
 R. Torii, M. Oshima, T. Kobayashi, K. Takagi and T.E. Tezduyar, "Magnitude and Role of Wall Shear Stress on Cerebral Aneurysm: Computational Fluid Dynamic Study of 20 Middle Cerebral Artery Aneurysms", Stroke, vol.35, pp. 2500-2505, 2004
 C.W.C. Stasse, "Development of a Computational Fluid Dynamics pipeline for patient-specific cerebral aneurysms", Master Thesis, Dept. of Biomedical Eng., Eindhoven University of Technology, August 2007.
 Alvaro Valencia, Francisco Solis, "Blood flow dynamics and arterial wall interaction in a saccular aneurysm model of the basilar artery", Computers and Structures, vol. 84, pp. 1326-1337, 2006.
 Juan R. Cebral, M├│nica Hern├índez, Alejandro F. Frangi, "Computational analysis of blood flow dynamics in cerebral aneurysms from CTA and 3D rotational angiography image data", presented at 2003 International Congress on Computational Bioengineering, Espa├▒a.
 Luciana Parlea, Rebecca Fahrig, David W. Holdsworth, and Stephen P. Lownie, "An Analysis of the Geometry of Saccular Intracranial Aneurysms", AJNR Am J Neuroradiol, vol.20, pp.1079-1089, June/July 1999.
 Francisco A, Jagannath R, Ismail B, Ansaar T, "Quantification of Discretization error in Wall Shear Stress calculations for Aneurismal flow using CFD", in Proceedings of ASME Fluid Engineering Division Summer Conference, Jacksonville, Florida, USA, August 10-14, 2008.
 S. Balaji Pai, R.G Varma, R.N. Kulkarni, "Microsurgical Anatomy of the Middle Cerebral Artery", Neurology India, vol. 53(2), pp.186-190, June 2005.
 R. Torii, M. Oshima, T. Kobayashi, K. Takagi and T.E. Tezduyar, "Influence of Wall Elasticity in Patient-Specific Hemodynamic Simulations", Computers & Fluids, vol. 36, pp. 160-168, 2007.
 ANSYS Inc., "ANSYS Release 11.0 Documentation", ANSYS Company, Pittsburgh, PA, 2008.
 T.E. Tezduyar, S. Sathe, M. Schwaab and B.S. Conklin, "Arterial Fluid Mechanics Modeling with the Stabilized Space-Time Fluid-Structure Interaction Technique", International Journal for Numerical Methods in Fluids, vol.57 (5), pp.601-629, June 2008.
 R. Torii, M. Oshima, T. Kobayashi, K. Takagi and T.E. Tezduyar, "Finite Element Simulation of Blood flow in Cerebral Artery", Comput. Methods Appl. Mech. Engrg., vol. 191, pp. 661-671, 2001.
 R. Torii, M. Oshima, T. Kobayashi, K. Takagi and T.E. Tezduyar, "Fluid-structure interaction modeling of blood flow and cerebral aneurysm: Significance of artery and aneurysm shapes", Comput. Methods Appl. Mech. Engrg., to be published.