Jie Zhang The Developments and the Applications of the Numerical Algorithms in Simulating the Incompressible Magnetohydrodynamics with Complex Boundaries and Free Surfaces 9789811338809

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Автор: Jie Zhang
Название: The Developments and the Applications of the Numerical Algorithms in Simulating the Incompressible Magnetohydrodynamics with Complex Boundaries and Free Surfaces
ISBN: 9789811338809
Издательство: Springer
Классификация:

Прикладная математика

Классическая механика

Механика текучих сред

ISBN-10: 9811338809
Обложка/Формат: Soft cover
Страницы: 145
Вес: 0.45 кг.
Дата издания: 2019
Серия: Springer Theses
Язык: English
Иллюстрации: XV, 145 p. 95 illus., 81 illus. in color.
Размер: Book (Paperback Initiative)
Основная тема: Engineering
Ссылка на Издательство: Link
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Поставляется из: Германии
Описание: This thesis presents an accurate and advanced numerical methodology to remedy difficulties such as direct numerical simulation of magnetohydrodynamic (MHD) flow in computational fluid dynamics (CFD), grid generation processes in tokamak fusion facilities, and the coupling between the surface tension force and Lorentz force in the metallurgical industry. In addition, on the basis of the numerical platform it establishes, it also investigates selected interesting topics, e.g. single bubble motion under the influence of either vertical or horizontal magnetic fields. Furthermore, it confirms the relation between the bubble’s path instability and wake instability, and observes the anisotropic (isotropic) effect of the vertical (horizontal) magnetic field on the vortex structures, which determines the dynamic behavior of the rising bubble. The direct numerical simulation of magnetohydrodynamic (MHD) flows has proven difficult in the field of computational fluid dynamic (CFD) research, because it not only concerns the coupling of the equations governing the electromagnetic field and the fluid motion, but also calls for suitable numerical methods for computing the electromagnetic field. In tokamak fusion facilities, where the MHD effect is significant and the flow domain is complex, the process of grid generation requires considerable time and effort. Moreover, in the metallurgical industry, where multiphase MHD flows are usually encountered, the coupling between the surface tension force and Lorentz force adds to the difficulty of deriving direct numerical simulations.
Дополнительное описание: ? Introduction.- Governing Equations.- Numerical schemes.- The validations of the numerical methodology.- The argon bubble rising in the liquid GaInSn under the in?uence of a vertical magnetic ?eld.- The argon bubble rising in the liquid GaInSn under the

The Developments and the Applications of the Numerical Algorithms in Simulating the Incompressible Magnetohydrodynamics with Complex Boundaries and Free Surfaces, Jie Zhang