Mart?n L?pez de Bertodano; William Fullmer; Alejan Two-Fluid Model Stability, Simulation and Chaos 9783319449678

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Автор: Mart?n L?pez de Bertodano; William Fullmer; Alejan
Название: Two-Fluid Model Stability, Simulation and Chaos
ISBN: 9783319449678
Издательство: Springer
Классификация:

Прикладная математика

Теории нелинейных процессов

Материаловедение

Техническая термодинамика

Механика текучих сред

Ядерная энергетика

ISBN-10: 3319449672
Обложка/Формат: Hardback
Страницы: 358
Вес: 0.73 кг.
Дата издания: 2017
Серия: Engineering
Язык: English
Издание: 1st ed. 2017
Иллюстрации: 60 illustrations, color; 14 illustrations, black and white; xx, 358 p. 74 illus., 60 illus. in color.
Размер: 234 x 156 x 22
Читательская аудитория: Professional & vocational
Ссылка на Издательство: Link
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Поставляется из: Германии
Описание:

This book addresses the linear and nonlinear two-phase stability of the one-dimensional Two-Fluid Model (TFM) material waves and the numerical methods used to solve it. The TFM fluid dynamic stability is a problem that remains open since its inception more than forty years ago. The difficulty is formidable because it involves the combined challenges of two-phase topological structure and turbulence, both nonlinear phenomena. The one dimensional approach permits the separation of the former from the latter.

The authors first analyze the kinematic and Kelvin-Helmholtz instabilities with the simplified one-dimensional Fixed-Flux Model (FFM). They then analyze the density wave instability with the well-known Drift-Flux Model. They demonstrate that the Fixed-Flux and Drift-Flux assumptions are two complementary TFM simplifications that address two-phase local and global linear instabilities separately. Furthermore, they demonstrate with a well-posed FFM and a DFM two cases of nonlinear two-phase behavior that are chaotic and Lyapunov stable.

On the practical side, they also assess the regularization of an ill-posed one-dimensional TFM industrial code. Furthermore, the one-dimensional stability analyses are applied to obtain well-posed CFD TFMs that are either stable (RANS) or Lyapunov stable (URANS), with the focus on numerical convergence.

Дополнительное описание: Introduction.- Fixed-Flux Model.- Two-Fluid Model.- Fixed-Flux Model Chaos.- Fixed-Flux Model.- Drift-Flux Model.- Drift-Flux Model Non-Linear Dynamics and Chaos.- RELAP5 Two-Fluid Model.- Two-Fluid Model CFD.

Two-Fluid Model Stability, Simulation and Chaos, Mart?n L?pez de Bertodano; William Fullmer; Alejan