Coupled CFD-DEM Modeling : Formulation, Implementation and Application to Multiphase Flows.
Discusses the CFD-DEM method of modeling which combines both the Discrete Element Method and Computational Fluid Dynamics to simulate fluid-particle interactions.-Deals with both theoretical and practical concepts of CFD-DEM, its numerical implementation accompanied by a hands-on numerical code in F...
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| Other Authors: | , , |
| Format: | eBook |
| Language: | English |
| Published: |
Newark :
Wiley,
2016.
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| Series: | Engineering professional collection
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| Subjects: | |
| Online Access: | Connect to the full text of this electronic book |
Table of Contents:
- Title Page ; Copyright Page; Contents; About the€Authors; Preface; Chapter 1 Introduction; 1.1 Multiphase Coupling; 1.2 Modeling Approaches; 1.3 Modeling with€DEM; 1.4 CFD-DEM Modeling ; 1.5 Applications; 1.6 Scope and€Overall Plan; Part I; Part II; 1.7 Online Content; References; Part I DEM; Chapter 2 DEM Formulation; 2.1 Hard-Sphere ; 2.1.1 Equation of€Motion; 2.1.2 Collision Model; 2.1.3 Interparticle Forces; 2.2 Soft-Sphere ; 2.2.1 Equations of€Motion; 2.3 Force-Displacement Laws ; 2.3.1 Linear Viscoelastic Model; 2.3.2 Nonlinear Viscoelastic Models.
- 2.3.3 Comparison of Viscoelastic Force-Displacement Models 2.3.4 Elastic Perfectly Plastic Models; 2.4 Torque Expressions; 2.4.1 Model A: Constant Torque Model; 2.4.2 Model B: Viscous Model; 2.4.3 Model C: Spring-Dashpot Model ; 2.5 Boundary and€Initial Conditions; 2.5.1 Boundary Conditions; 2.5.2 Initial Condition; Nomenclature; References; Chapter 3 DEM Implementation; 3.1 Computational View; 3.2 Program Structure ; 3.3 Contact Search Algorithms; 3.3.1 Definition of€Problem; 3.3.2 Cell-Based Algorithms ; 3.3.3 Sort-Based Algorithms ; 3.3.4 Tree-Based Broad Search Algorithms.
- 4.2 Kinematics and€Dynamics of€a€Rigid Body4.2.1 Euler Angles and€Transformation Matrix; 4.2.2 Equations of€Motion; 4.2.3 Quaternions for€Rigid Body Dynamics; 4.3 Superellipsoids; 4.3.1 Contact Forces; 4.3.2 Effective Radius and€Curvatures; 4.3.3 Torque Calculations; 4.3.4 Contact Detection; 4.4 Multi-Sphere Method ; Nomenclature; References; Chapter 5 DEM Applications to Granular€Flows; 5.1 Packing of€Particles; 5.1.1 Confined Packing; 5.1.2 Pile Formation; 5.1.3 Rigid and€Flexible Fibers; 5.2 Flow in€Hoppers; 5.2.1 Flow Patterns; 5.2.2 Segregation; 5.2.3 Discharge Rate; 5.3 Solid Mixing.
- 5.3.1 Mechanisms of€Mixing and€Segregation5.3.2 Mixing Index; 5.3.3 Rotating Drums; 5.3.4 Tumbling Blenders; 5.3.5 Shaft Batch Mixers; 5.3.6 Continuous Mixers; 5.4 Screw Conveying; 5.4.1 Simulation of€Screw Conveyor; 5.4.2 Results of€the€Simulations; 5.4.3 Literature; 5.5 Film Coating; 5.5.1 Phenomenological Models; 5.5.2 Monte-Carlo Method ; Nomenclature; References; Part II CFD-DEM ; Chapter 6 CFD-DEM Formulation and Coupling ; 6.1 Multiphase Coupling; 6.1.1 Coupling Strategies; 6.1.2 Types of€Coupling; 6.1.3 Interphase Interactions; 6.2 Momentum Coupling; 6.2.1 Single Phase Flow of€Fluids.