The following information was submitted:
Transactions: WSEAS TRANSACTIONS ON BIOLOGY AND BIOMEDICINE
Transactions ID Number: 53-625
Full Name: Luisa Sousa
Position: Assistant Professor
Age: ON
Sex: Female
Address: IDMEC, Faculty of Engeneering, UP, R. Dr. Roberto Frias, 4200-465, Porto
Country: PORTUGAL
Tel: 225081766
Tel prefix: 351
Fax:
E-mail address: lcsousa@fe.up.pt
Other E-mails:
Title of the Paper: computational techniques and validation of blood flow simulation
Authors as they appear in the Paper: Luisa Sousa, Catarina Castro, Carlos António, Rui Chaves
Email addresses of all the authors: lcsousa@fe.up.pt, ccastro@fe.up.pt,cantonio@fe.up.pt,ec03210@fe.up.pt
Number of paper pages: 11
Abstract: Plaque formation leading to stenosis and occlusion of arterial blood vessels cause altered flow conditions, such as separation and flow-reversal zones and plays an important role in the development of arterial diseases. Computational simulations of blood flow can help to understand the hemodynamics in blood vessels and to predict the outcomes of surgeries. The paper presents a three dimensional numerical method of steady and pulsatile blood flow simulation in arteries by the finite element method. In this study the biochemical and mechanical interactions between blood and vascular tissue are neglected and no-slip boundary conditions are considered at the artery wall. Velocity field is calculated by a mixed method using a smoothed desviatoric stress field in order to obtain an improvement of the finite element method performance. Stabilized finite element formulations to properly treat incompressible and high Reynolds number flows are presented. Velocity and wall sh!
ear stress fields are visualized for a better understanding of flow characteristics such as distributions of the flow pattern, stagnation flow and recirculation zones. Simulated results are compared and validated with literature data obtained from ultrasound measurements.
Keywords: Blood flow, Finite element method, Mixed methods, Upwinding techniques
EXTENSION of the file: .pdf
Special (Invited) Session: Mathematical and Computational Methods in Biology and Biomedicine
Organizer of the Session: Ka-Lok Ng
How Did you learn about congress: Vascular system, Carotid bifurcation, Blood flow simulation, Finite Element method,
IP ADDRESS: 193.136.33.230
