Author: Imttiaz AliPublisher:
ISBN:
Category :
Languages : en
Pages : 154
Book Description
Simulations of a Torqued Fiber in a Fiber Suspension
Author: Imttiaz AliSimulations of Flocculation in Flowing Fiber Suspensions
Author: Christian Frederick SchmidPublisher:
ISBN:
Category :
Languages : en
Pages : 252
Book Description
Simulating Systems of Flexible Fibers
Author: Leonard H. SwitzerDynamic Simulation of Flexible Fiber Suspensions
Author: Russell F. RossFlow-Induced Alignment in Composite Materials
Author: T. D. PapathanasiouPublisher: Woodhead Publishing
ISBN: 9781855732544
Category : Computers
Languages : en
Pages : 384
Book Description
The purpose of aligning short fibers in a fiber-reinforced material is to improve the mechanical properties of the resulting composite. Aligning the fibers, generally in a preferred direction, allows them to contribute as much as possible to reinforcing the material. In some cases, the mechanical properties of these aligned, short-fiber composites can approach those of continuous-fiber composites, with the advantages of lower production costs and greater ease of production. Since its publication, this book has been consistently recognized as one of the most important contributions to this field.
Rheology
Author: Juan De VicentePublisher: BoD – Books on Demand
ISBN: 9535101870
Category : Science
Languages : en
Pages : 354
Book Description
This book contains a wealth of useful information on current rheology research. By covering a broad variety of rheology-related topics, this e-book is addressed to a wide spectrum of academic and applied researchers and scientists but it could also prove useful to industry specialists. The subject areas include, polymer gels, food rheology, drilling fluids and liquid crystals among others.
A Study of Fiber Orientation in Particle-loaded Suspensions Using a Direct Simulation Method with Collision Strategy
Author: Xiaoqing LiPublisher:
ISBN: 9781369123999
Category :
Languages : en
Pages : 89
Book Description
Short-fiber reinforced composite materials are widely in use in the manufacturing industries to bridge the property gap between continuous-fiber composites and unreinforced materials. Short-fiber composites can effectively strengthen the matrix materials along the fiber length direction, and can still be processed by highly-automated and economical methods such as injection or compression molding. It’s essential to understand and predict the fiber orientation and its influence on the mechanical properties of the composite. However, the hydrodynamic interactions between the matrix and the fibers, and the inter-fiber interactions are not fully understood yet. Sometimes circular particles are added to the matrix for toughening and this may also influence the orientation of the short fibers during flow. In this thesis, we adopt a two-dimensional direct simulation method to investigate, for the first time, the effect of the presence of circular particles on the fiber orientation of short-fiber suspensions. To deal with the collision between fibers or fibers and particles, an ad-hoc method is proposed and developed. We predict the time-evolution of the elliptical fiber orientation as the volume fraction and aspect ratio increases, and compare it with that of the fiber-particle suspensions. The interaction coefficient C1 is calculated and compared with existing models. It is found that the presence of circular particles increases the rotary diffusion of a fiber suspension, and that, as the content of circular particles increases, the fiber alignment in the direction of shear is less pronounced.
Dynamic Simulations of Electro- and Magnetorheological Fiber Suspensions
Author: Wee Teck William HoSimulation of Flexible Fibers in Stokes Flow
Author: Mohsan JameelPublisher: LAP Lambert Academic Publishing
ISBN: 9783847315575
Category :
Languages : en
Pages : 92
Book Description
When elastic fibers are immersed in a Newtonian fluid, the behavior of the system, or the "fiber suspension" becomes non-Newtonian. Understanding the dynamics of such systems is of particular interest in a wide variety of fields, including locomotion of microorganisms, paper and pulp industry, microfluidics etc. When these fibers are immersed in the fluid at low Reynolds number, the elastic equation for the fibers couples to the Stokes equations, which greatly increases the computational complexity of the problem. I have simulated buckling behavior of a single fiber suspended in a shear flow and have applied two numerical method, a slender body approximation known as Local Drag model and a regularized Boundary Integral method known as Regularized Stokeslet method. We have extended the Local Drag model to simulate naturally bent fibers based on the target or resting curvature of the fibers. Microorganisms possess fiber-like organs known as the appendages and swim by flapping these organs. We have also simulated swimming motion of a simple microorganism model by imposing a time dependent resting curvature of these fibers.
Flow of Particles in Suspensions
Author: U. SchaflingerPublisher: Springer
ISBN: 3709127149
Category : Science
Languages : en
Pages : 202
Book Description
This book presents a broad overview of the issues related to the flow of particles in suspensions. Chapters cover the newest research in advanced theoretical approaches and recent experimental techniques. Topics include macroscopic transport properties, the mechanics of capsules and cells, hydrodynamic diffusion and phase separation.