Geodesic
Micropolar fluid between two coaxial cylinders (Numerical approach)
Theoretical and applied mechanics, Tome 48 (2021) no. 2.

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The paper describes the flow of a suspension which is a mixture of two phases: liquid and solid granules. The continuum model with microstructure is introduced, which involves two independent kinematic quantities: the velocity vector and the micro-rotation vector. The physical analogy is based on the movement of the suspension between two coaxial cylinders. The inner cylinder is stationary and the outer one rotates with constant angular velocity. This physical analogy enabled a mathematical model in a form of two coupled differential equations with variable coefficients. The aim of the paper is to present the numerical aspect of the solution for this complex mathematical model. It is assumed that the solid granules are identically oriented and that under the influence of the fluid they move translationally or rotate around the symmetry axis but the direction of their symmetry axes does not change. The solution was obtained by the ordinary finite difference method, and then the corresponding sets of points (nodes) were routed by interpolation graphics.
Keywords: micropolar fluid, suspension flow, numerical solution, identifying solutions 
@article{TAM_2021_48_2_a5,
     author = {Du\v{s}ko Salemovi\'c and Aleksandar Dedi\'c and Bo\v{s}ko Jovanovi\'c},
     title = {Micropolar fluid between two coaxial cylinders {(Numerical} approach)},
     journal = {Theoretical and applied mechanics},
     pages = {159 - 169},
     publisher = {mathdoc},
     volume = {48},
     number = {2},
     year = {2021},
     url = {http://geodesic.mathdoc.fr/item/TAM_2021_48_2_a5/}
}
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Duško Salemović; Aleksandar Dedić; Boško Jovanović. Micropolar fluid between two coaxial cylinders (Numerical approach). Theoretical and applied mechanics, Tome 48 (2021) no. 2. http://geodesic.mathdoc.fr/item/TAM_2021_48_2_a5/