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Gradient-Enhanced Continuum Plasticity

Gradient-Enhanced Continuum Plasticity
A Book

by George Z. Voyiadjis,Yooseob Song

  • Publisher : Elsevier
  • Release : 2020-03-27
  • Pages : 404
  • ISBN : 0128177675
  • Language : En, Es, Fr & De
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Gradient-Enhanced Continuum Plasticity provides an expansive review of gradient-enhanced continuum plasticity from the initial stage to current research trends in experimental, theoretical, computational and numerical investigations. Starting with an overview of continuum mechanics and classical plasticity, the book then delves into concise lessons covering basic principles and applications, such as outlining the use of the finite element method to solve problems with size effects, mesh sensitivity and high velocity impact loading. All major theories are explored, providing readers with a guide to understanding the various concepts of and differences between an array of gradient-enhanced continuum plasticity models. Outlines the concepts of, and differences between, various gradient-enhanced continuum plasticity models Provides guidance on problem-solving for size effects, mesh-sensitivity tests and thermo-mechanical coupling Reviews experimental, numerical and theoretical issues in gradient-enhanced continuum plasticity Describes micromechanical aspects from experimental observations

Size-Dependent Continuum Mechanics Approaches

Size-Dependent Continuum Mechanics Approaches
Theory and Applications

by Esmaeal Ghavanloo

  • Publisher : Springer Nature
  • Release : 2021
  • Pages : 329
  • ISBN : 3030630501
  • Language : En, Es, Fr & De
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Size Effects in Plasticity

Size Effects in Plasticity
From Macro to Nano

by George Voyiadjis,Mohammadreza Yaghoobi

  • Publisher : Academic Press
  • Release : 2019-08-01
  • Pages : 408
  • ISBN : 0128135131
  • Language : En, Es, Fr & De
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Size Effects in Plasticity: From Macro to Nano provides concise explanations of all available methods in this area, from atomistic simulation, to non-local continuum models to capture size effects. It then compares their applicability to a wide range of research scenarios. This essential guide addresses basic principles, numerical issues and computation, applications and provides code which readers can use in their own modeling projects. Researchers in the fields of computational mechanics, materials science and engineering will find this to be an ideal resource when they address the size effects observed in deformation mechanisms and strengths of various materials. Provides a comprehensive reference on the field of size effects and a review of mechanics of materials research in all scales Explains all major methods of size effects simulation, including non-local continuum models, non-local crystal plasticity, discrete dislocation methods and molecular dynamics Includes source codes that readers can use in their own projects

Computational Modelling of Concrete Structures

Computational Modelling of Concrete Structures
Proceedings of the EURO-C 2006 Conference, Mayrhofen, Austria, 27-30 March 2006

by Gunther Meschke,René de Borst,Herbert Mang,Nenad Bicanic

  • Publisher : CRC Press
  • Release : 2020-11-25
  • Pages : 12
  • ISBN : 100011614X
  • Language : En, Es, Fr & De
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This conference proceedings brings together the work of researchers and practising engineers concerned with computational modelling of complex concrete, reinforced concrete and prestressed concrete structures in engineering practice. The subjects considered include computational mechanics of concrete and other cementitious materials, including masonry. Advanced discretisation methods and microstructural aspects within multi-field and multi-scale settings are discussed, as well as modelling formulations and constitutive modelling frameworks and novel experimental programmes. The conference also considered the need for reliable, high-quality analysis and design of concrete structures in regard to safety-critical structures, with a view to adopting these in codes of practice or recommendations. The book is of special interest to researchers in computational mechanics, and industry experts in complex nonlinear simulations of concrete structures.

IUTAM Symposium on Multiscale Modeling and Characterization of Elastic-Inelastic Behavior of Engineering Materials

IUTAM Symposium on Multiscale Modeling and Characterization of Elastic-Inelastic Behavior of Engineering Materials
Proceedings of the IUTAM Symposium held in Marrakech, Morocco, 20–25 October 2002

by S. Ahzi,M. Cherkaoui,M.A. Khaleel,H.M. Zbib,M.A. Zikry,B. LaMatina

  • Publisher : Springer Science & Business Media
  • Release : 2013-04-17
  • Pages : 434
  • ISBN : 940170483X
  • Language : En, Es, Fr & De
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The papers in this proceeding are a collection of the works presented at the IUTAM symposium-Marrakech 2002 (October 20-25) which brought together scientists from various countries. These papers cover contemporary topics in multiscale modeling and characterization of materials behavior of engineering materials. They were selected to focus on topics related to deformation and failure in metals, alloys, intermetallics and polymers including: experimental techniques, deformation and failure mechanisms, dislocation-based modelling, microscopic-macroscopic averaging schemes, application to forming processes and to phase transformation, localization and failure phenomena, and computational advances. Key areas that are covered by some of the papers include modeling of material deformation at various scales. At the atomistic scale, results from MD simulations pertaining to deformation mechanisms in nano-crystalline materials as well as dislocation-defect interactions are presented. Advances in modeling of deformation in metals using discrete dislocation analyses are also presented, providing an insight into this emerging scientific technique that can be used to model deformation at the microscale. These papers address current engineering problems, including deformation of thin fIlms, dislocation behavior and strength during nanoindentation, strength in metal matrix composites, dislocation-crack interaction, development of textures in polycrystals, and problems involving twining and shape memory behavior. On Behalf of the organizing committee, I would like to thank Professor P.

Continuum Models for Materials with Microstructure

Continuum Models for Materials with Microstructure
A Book

by H.-B. Mühlhaus

  • Publisher : John Wiley & Son Limited
  • Release : 1995
  • Pages : 482
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Continuum Models for Materials with Microstructure Edited by H. B. Mühlhaus, CSIRO, Nedlands, Australia When the characteristic length-scale (‘fabric dimension’) of the microstructure of materials is not small when compared to the macroscopic dimensions, the well established framework for the modelling of deformation processes for simple materials needs enhancement. To introduce an internal length scale, one has to resort to continuum models such as Nonlocal Theories, Cosserat or Gradient-type Models, Discrete Element and Lattice Theories or modified Viscoplastic Models. These new approaches are addressed in this volume. It includes contributions from research areas as diverse as bio-mechanics, concrete engineering and solid state physics. Generalised continuum models and its applications are presented and complemented by numerical and analytical tools for the solution of boundary value problems.

Archives of Mechanics

Archives of Mechanics
Archiwum Mechaniki Stosowanej

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2009
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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AIAA Journal

AIAA Journal
A Book

by American Institute of Aeronautics and Astronautics

  • Publisher : Unknown Publisher
  • Release : 2007
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Proceedings of the ASME Applied Mechanics Division

Proceedings of the ASME Applied Mechanics Division
Presented at the ... ASME International Mechanical Engineering Congress

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2005
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Three-dimensional Elasto-plastic Analysis of Soils

Three-dimensional Elasto-plastic Analysis of Soils
A Book

by Arend Erik Groen

  • Publisher : Unknown Publisher
  • Release : 1997
  • Pages : 114
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Microelectromechanical Systems

Microelectromechanical Systems
(MEMS)

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2004
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Dissertation Abstracts International

Dissertation Abstracts International
The sciences and engineering. B

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2006
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Material Instabilities in Solids

Material Instabilities in Solids
A Book

by René de Borst,Erik van der Giessen

  • Publisher : John Wiley & Sons
  • Release : 1998-10-15
  • Pages : 556
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Modern, powerful computational methods, combined with major improvements in experimental techniques, have resulted in significant advances in the study of material instabilities. This book presents the latest research in the field of material instabilities in solid materials (soils, concrete, rocks, ceramics, metals, polymers and composites) and associated phenomena, such as strain localisation, fracture and failure in general. Collected within this volume are the cutting edge contributions from the prestigious IUTAM Symposium of 1997. A broad spectrum of materials is covered, with the emphasis on common aspects of failure, and a full range of experimental, analytical and numerical methods are addressed. In addition, the state-of-the-art, and recent advances covered in the book are summarised in the introductory chapter. No other treatise is available which is so up to date and compiled by such a broad spectrum of leading researchers. This book will find a wide appeal amongst practising engineers, researchers and students in civil, mechanical and aerospace engineering, and researchers and students in materials science.

Computational Plasticity

Computational Plasticity
Fundamentals and Applications : Proceedings of the Fifth International Conference on Computational Plasticity, Held in Barcelona, Spain 17th-20th March 1997

by David Roger Jones Owen,E. Oñate,Ernest Hinton

  • Publisher : Unknown Publisher
  • Release : 1997
  • Pages : 908
  • ISBN : 9788487867873
  • Language : En, Es, Fr & De
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Journal of the Mechanical Behavior of Materials

Journal of the Mechanical Behavior of Materials
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2007
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Journal de physique

Journal de physique
Proceedings. Quatre

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2001
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Fracture Mechanics of Concrete Structures

Fracture Mechanics of Concrete Structures
Proceedings of the Fifth International Conference on Fracture Mechanics of Concrete and Concrete Structures, Vail, Colorado, USA, 12-16 April 2004

by Victor Li

  • Publisher : Unknown Publisher
  • Release : 2004
  • Pages : 1195
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Packaging, Reliability and Manufacturing Issues Associated with Electronic and Photonic Products

Packaging, Reliability and Manufacturing Issues Associated with Electronic and Photonic Products
A Book

by Charles Ume

  • Publisher : American Society of Mechanical Engineers
  • Release : 2001
  • Pages : 305
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Examination of Two Regularized Damage-plasticity Models for Concrete with Regard to Crack Closing

Examination of Two Regularized Damage-plasticity Models for Concrete with Regard to Crack Closing
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2018
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Abstract: Continuum models of fracture should be equipped with a localization limiter to prevent pathological discretization sensitivity of finite element simulations. Moreover, stiffness recovery, called also crack closing effect, should be reproduced in the modelling of quasi-brittle materials when reversed loading is applied. In this paper the efficiency of two different established damage-plasticity models for concrete is assessed from the viewpoint of the two above-mentioned aspects. The first description is the so-called concrete damaged plasticity model, available in the ABAQUS package. In this model the plasticity theory is not only augmented with stiffness degradation and recovery, but also with the crack band approach and viscoplastic regularization. The gradient-enhanced damage description, which is the second one considered, can also be coupled to plasticity. In this model additional averaging equation prevents the pathological discretization sensitivity of fracture simulations. Two fields, displacements and averaged strain measure, are interpolated and suitable finite elements are programmed by the authors in the FEAP package. Basic concepts of the numerical analysis of the crack closing phenomenon are reviewed. Both models are capable of avoiding mesh-sensitivity, but it is achieved in a different manner and it is shown in the paper that the users of ABAQUS should employ the crack band options with particular care. Representative examples in the context of the examined issues are demonstrated: uniaxial tension of a bar and a cantilever beam. The results obtained using both the models are compared and the effects of regularization and crack closing are illustrated.

Physics and Mechanics of Finite Plastic and Viscoplastic Deformation

Physics and Mechanics of Finite Plastic and Viscoplastic Deformation
Proceedings of Plasticity '97, the Sixth International Symposium on Plasticity and Its Current Applications

by International Symposium on Plasticity and Its Current Applications

  • Publisher : Unknown Publisher
  • Release : 1997
  • Pages : 458
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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