Numerical Simulation of Magneto-Rheological Fluids. A Continuum Medium Approach

Numerical Simulation of Magneto-Rheological Fluids. A Continuum Medium Approach

Constantin Nichita

     

бумажная книга



Издательство: Книга по требованию
Дата выхода: июль 2011
ISBN: 978-3-6391-7390-1
Объём: 92 страниц
Масса: 160 г
Размеры(В x Ш x Т), см: 23 x 16 x 1

This work pertains to modern, interdisciplinary research trends in nanomaterials. The author presents a novel method with major potential for various applications such as ferromagnetic brakes and valves; nanosized shock absorbers, and in the medical field, heart valves and medical nanorobots. A mathematical model is constructed with numerical solutions proposed for the system of equations describing the model. The underlying assumption is that a ferromagnetic suspension can be regarded as a continuous medium. Such an assumption was originally suggested in Peskin’s Immersed Boundary (IB) method. The IB method is coupled with Chorin’s Projection method to construct a finite differences scheme for solving a boundary value case. The application and the calculations are done to a first order approximation, hence fluid flow is treated as a Stokes flow. The integration of the rheological behavior is implicit, through the force density field. This method can easily extend to an entire class of Newtonian and non-Newtonian ferromagnetic real fluids, whose shear viscosity depend upon the magnetic field, and upon the modulus of the strain rate tensor.

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