Computational Fluid Structure Interaction - Computational Hemodynamics: Theory, Modelling and Applications - page 152

6. For flow in a stenosed artery what is
the significance of the diffusion term
2

2

∂ v ∂ v

on the reattachment of

µ +

2 2

∂ x ∂ y

the flow after the stenosis?

7. During deformation of an elastic material,

describe the relationship for stress, strain,
and Hooke's Law.
8. What are three opposing forces in response
to an applied force on a vessel wall?
9. What are the four types of tissues that make
up an arterial wall? Which tissue type is most abundant? Does it contribute
towards the artery elasticity?
10. Which of the following, forward difference , backward difference and central
difference , is most accurate and why?
11. How does the finite difference and the finite volume approach to discretisation
differ?
12. Describe what false diffusion means.
13. What is the significance of the stiffness matrix in a finite element discretisation?
14. What is the difference between using a direct method and an iterative method
to solve the discretized equations?
15. Is the direct method or iterative method more suitable in solving for a large
system of non-linear equations?
16. Why does the Gauss-Siedel iterative method converge to a solution quicker
than the Jacobi method?
17. What is the Gaussian elimination method based on? Can this method be used to
solve a system of nonlinear algebraic equations?
18. Solve the following set of equations by Gaussian elimination:
19. What are the two approaches of FSI coupling?
20. Solve the following set of equations by Gaussian elimination

100 100 0 T

T
T
T

400
100
300
400

1

200 100
300

-

2

- - −

3

- 200 300

4