Fig 1.
Geometry of the stenosed arterial bifurcation model.
Fig 2.
The dimensionless axial velocity, u at the centre of the stenosis, x = 0 for mesh 1 = 3516, mesh 2 = 7684, mesh 3 = 11780, mesh 4 = 17322, mesh 5 = 23346 and mesh 6 = 25108.
Table 1.
Results for maximum u-velocity with its location and pressure drop, ∇p.
Fig 3.
Velocity contour obtained from (a)Present study is comparable with (b)Comsol Multiphysics and [39].
Fig 4.
The dimensionless axial velocity, u at the second throat of the stenosis, x = 1 for mesh 1 = 7787, mesh2 = 10352, mesh 3 = 13998, mesh 4 = 17090 and mesh 5 = 28196.
Fig 5.
The meshing selected containing 12735 triangular elements for τm = 0.4a.
Fig 6.
Variation of axial velocity at x = 1.5 with different in Hartmann number and fluid characterisation (Re = 300 and τm = 0.4a).
Fig 7.
Variation of axial velocity at x = 3.0118 with different in Hartmann number and fluid characterisation (Re = 300 and τm = 0.4a).
Fig 8.
Variation of axial velocity with different stage of stenosis severity and Hartmann number at x = 1 (Re = 300) for: (a)M = 0 and (b)M = 8.
Fig 9.
Wall pressure distribution along the outer arterial wall for different in Hartmann number and fluid characterisation (Re = 300 and τm = 0.4a).
Fig 10.
Wall pressure distribution along the inner arterial wall for different in Hartmann number and fluid characterisation (Re = 300 and τm = 0.2a).
Fig 11.
Wall shear stress along the outer arterial wall for different in Hartmann number and fluid characterisation (Re = 300 and τm = 0.2a).
Fig 12.
Velocity contour with streamlines pattern for (a)n = 0.639 (shear-thinning), (b)n = 1 (Newtonian) and (c)n = 1.2 (shear-thickening) fluids (M = 8, Re = 300 and τm = 0.4a).
Fig 13.
Velocity contour with streamlines pattern for (a)n = 0.639 (shear-thinning), (b)n = 1 (Newtonian) and (c)n = 1.2 (shear-thickening) fluids (M = 12, Re = 300 and τm = 0.4a).