wall interaction. Normalized velocity autocorrelation function in parallel as well

as perpendicular direction has been computed using Eq. (16.7) and illustrated in

Fig. 16.17 and Fig. 16.18, respectively. A comparison of numerical results with

available MD data has also been carried out which shows very good agreement.

4. Confinement (Effect of Roughness): Plaque deposited in arteries over passage of

time could be regarded as a source of roughness which is likely to slow down the

blood flow. The roughness could be incorporated in the microscopic model which

can be represented as

Fig. 16.16 3D plot depicting fluid-wall interaction

Fig. 16.17 Normalized

velocity autocorrelation

function Vxy(t*) versus

reduced time (Devi et al.

2010)

Fig. 16.18 Normalized

velocity autocorrelation

function Vz(t*) versus reduced

time (Devi et al. 2010)

16

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