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- Type of Document: M.Sc. Thesis
- Language: Farsi
- Document No: 42012 (08)
- University: Sharif University of Technology
- Department: Mechanical Engineering
- Advisor(s): Firoozabadi, Bahar; Saeedi, Mohammad Saeed
- Abstract:
- One of the main reasons of brain attack is stenosis in Carotid bifurcation. As a result, it's a major field of interest for a large group of scientists including medical doctors and engineers. In the engineering fields a large number of studies have been done on this topic based on Numerical Simulation. As blood boundary conditions in this region strictly depend on the rest of the body's vascular system, the problem is the definition of the boundary condition in this approach. In addition, because of lack of enough hardware sources simulation of the whole blood system is impossible; thus the rest of the system should be simulated based on radical methods with less details. In this project a simulation of the whole system is presented based on combination of 3D model for the carotid part and a zero dimensional one for the rest. The zero dimensional model was obtained based on an analogy between fluid systems and electrical systems. Then this analogy was translated into an UDF code, which was combined with the Navier-Stocks equations solver for the 3D model in Fluent 6.3. The 3D model used the outcomes of the other one as boundary conditions. The obtained results were verified with some other papers within an acceptable error.
- Keywords:
- Carotid Bifurcation ; Multiscale Modeling ; Cardiovascular System
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