Studies on Constitutive Equations of Viscoelastic Materials Under Large Deformation

Studies on Constitutive Equations of Viscoelastic Materials Under Large Deformation PDF Author: George Lianis
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Studies on Constitutive Equations of Viscoelastic Materials Under Large Deformation

Studies on Constitutive Equations of Viscoelastic Materials Under Large Deformation PDF Author: George Lianis
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Modeling of Large Deformations in Drying Viscoelastic Materials

Modeling of Large Deformations in Drying Viscoelastic Materials PDF Author: Jason Aaron Graves
Publisher:
ISBN:
Category :
Languages : en
Pages : 410

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Viscoelastic Materials

Viscoelastic Materials PDF Author: Roderic S. Lakes
Publisher: Cambridge University Press
ISBN: 052188568X
Category : Science
Languages : en
Pages : 481

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Book Description
This graduate text on viscoelastic materials addresses design applications as diverse as earplugs, computer disks and medical diagnostics.

Viscoelastic Solids (1998)

Viscoelastic Solids (1998) PDF Author: Roderic S. Lakes
Publisher: CRC Press
ISBN: 1351355643
Category : Technology & Engineering
Languages : en
Pages : 476

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Book Description
Viscoelastic Solids covers the mathematical theory of viscoelasticity and physical insights, causal mechanisms, and practical applications. The book: presents a development of the theory, addressing both transient and dynamic aspects as well as emphasizing linear viscoelasticity synthesizes the structure of the theory with the aim of developing physical insight illustrates the methods for the solution of stress analysis problems in viscoelastic objects explores experimental methods for the characterization of viscoelastic materials describes the phenomenology of viscoelasticity in a variety of materials, including polymers, metals, high damping alloys, rock, piezoelectric materials, cellular solids, dense composite materials, and biological materials analyzes high damping and extremely low damping provides the theory of viscoelastic composite materials, including examples of various types of structure and the relationships between structure and mechanical properties contains examples on the use of viscoelastic materials in preventing and alleviating human suffering Viscoelastic Solids also demonstrates the use of viscoelasticity for diverse applications, such as earplugs, gaskets, computer disks, satellite stability, medical diagnosis, injury prevention, vibration abatement, tire performance, sports, spacecraft explosions, and music.

Fluid Mechanics of Viscoelasticity

Fluid Mechanics of Viscoelasticity PDF Author: R.R. Huilgol
Publisher: Elsevier
ISBN: 0080531741
Category : Science
Languages : en
Pages : 508

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Book Description
The areas of suspension mechanics, stability and computational rheology have exploded in scope and substance in the last decade. The present book is one of the first of a comprehensive nature to treat these topics in detail. The aim of the authors has been to highlight the major discoveries and to present a number of them in sufficient breadth and depth so that the novice can learn from the examples chosen, and the expert can use them as a reference when necessary.The first two chapters, grouped under the category General Principles, deal with the kinematics of continuous media and the balance laws of mechanics, including the existence of the stress tensor and extensions of the laws of vector analysis to domains bounded by fractal curves or surfaces. The third and fourth chapters, under the heading Constitutive Modelling, present the tools necessary to formulate constitutive equations from the continuum or the microstructural approach. The last three chapters, under the caption Analytical and Numerical Techniques, contain most of the important results in the domain of the fluid mechanics of viscoelasticity, and form the core of the book.A number of topics of interest have not yet been developed to a theoretical level from which applications can be made in a routine manner. However, the authors have included these topics to make the reader aware of the state of affairs so that research into these matters can be carried out. For example, the sections which deal with domains bounded by fractal curves or surfaces show that the existence of a stress tensor in such regions is still open to question. Similarly, the constitutive modelling of suspensions, especially at high volume concentrations, with the corresponding particle migration from high to low shear regions is still very sketchy.

Constitutive Equations for Engineering Materials: Elasticity and modeling

Constitutive Equations for Engineering Materials: Elasticity and modeling PDF Author: Wai-Fah Chen
Publisher:
ISBN:
Category : Continuum mechanics
Languages : en
Pages : 604

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Constitutive Equations of Viscoelastic Solids Under Finite Deformation

Constitutive Equations of Viscoelastic Solids Under Finite Deformation PDF Author: George Lianis
Publisher:
ISBN:
Category :
Languages : en
Pages : 57

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Book Description
The constitutive equations of reference 1 are discussed. Subsequently to establish a similarity between the short-time elastic response and the long-time equalibrium stress for materials with fading memory, certain approximations are proposed. A number of boundary-value problems under prescribed static finite strain and small dynamic strains superposed on prestressed solids are solved. Existing experimental data compared with these solutions appear to favor the proposed approximations. (Author).

Stability in Viscoelasticity

Stability in Viscoelasticity PDF Author: A.D. Drozdov
Publisher: Elsevier
ISBN: 1483290522
Category : Mathematics
Languages : en
Pages : 623

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Book Description
The subject of stability problems for viscoelastic solids and elements of structures, with which this book is concerned, has been the focus of attention in the past three decades. This has been due to the wide inculcation of viscoelastic materials, especially polymers and plastics, in industry. Up-to-date studies in viscoelasticity are published partially in purely mathematical journals, partially in merely applied ones, and as a consequence, they remain unknown to many interested specialists. Stability in Viscoelasticity fills the gap between engineers and mathematicians and converges theoretical and applied directions of investigations.All chapters contain extensive bibliographies of both purely mathematical and engineering works on stability problems. The bibliography includes a number of works in Russian which are practically inaccessible to the Western reader.

Creep and Relaxation of Nonlinear Viscoelastic Materials

Creep and Relaxation of Nonlinear Viscoelastic Materials PDF Author: William N. Findley
Publisher: Courier Corporation
ISBN: 0486145174
Category : Technology & Engineering
Languages : en
Pages : 402

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Book Description
This pioneering book presents the basic theory, experimental methods, experimental results and solution of boundary value problems in a readable, useful way to designers as well as research workers and students. The mathematical background required has been kept to a minimum and supplemented by explanations where it has been necessary to introduce specialized mathematics. Also, appendices have been included to provide sufficient background in Laplace transforms and in step functions. Chapters 1 and 2 contain an introduction and historic review of creep. As an aid to the reader a background on stress, strain, and stress analysis is provided in Chapters 3 and 4, an introduction to linear viscoelasticity is found in Chapter 5 and linear viscoelastic stress analysis in Chapter 6. In the next six chapters the multiple integral representation of nonlinear creep and relaxation, and simplifications to single integral forms and incompressibility, are examined at length. After a consideration of other representations, general relations are derived, then expanded to components of stress or strain for special cases. Both constant stress (or strain) and variable states are described, together with methods of determining material constants. Conversion from creep to relaxation, effects of temperature and stress analysis problems in nonlinear materials are also treated here. Finally, Chapter 13 discusses experimental methods for creep and stress relaxation under combined stress. This chapter considers especially those experimental problems which must be solved properly when reliable experimental results of high precision are required. Six appendices present the necessary mathematical background, conversion tables, and more rigorous derivations than employed in the text. An extensive updated bibliography completes the book.

Viscoelasticity — Basic Theory and Applications to Concrete Structures

Viscoelasticity — Basic Theory and Applications to Concrete Structures PDF Author: Guillermo J. Creus
Publisher: Springer Science & Business Media
ISBN: 3642826865
Category : Technology & Engineering
Languages : en
Pages : 177

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Book Description
This book contains notes for a one-semester graduate course which is an introduction to the study of viscoelasticity and creep of concrete. Emphasis was set on the conceptual aspects rather than on the mathematical or computational refinements. The mathematical structure of viscoelasticity is discussed with some care because it clarifies the basic concepts and has important consequences in computa tional applications. Basic ideas are exemplified using the simplest problems and constitutive models in order to be able to show complete solutions. In the computational applications we have also chosen to present the sim plest situations with the greatest possible detail. It has been the author's experience that once the basic concepts are well understood the students are able to follow the rest of the course more easily and to accede to more advanced literature and applications. Chapters I to III furnish the foundations for the course, that may be expanded in diverse ways. If we are interested in finite elements applications we should look at Chapter IV and then go direct ly to Chapter VII. If we are interested in the simplified analysis of frame structures we should study Chapter VI in detail. Chapter V re views the viscoelastic behavior of concrete and Chapter VIII studies the problem of creep buckling. At the end of each chapter we give se lected references to works that complete and extend the subject matter.