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Gradient Enhanced Continuum Plasticity

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Gradient Enhanced Continuum Plasticity

Gradient Enhanced Continuum Plasticity Book
Author : George Z. Voyiadjis,Yooseob Song
Publisher : Elsevier
Release : 2020-04-06
ISBN : 9780128177662
Language : En, Es, Fr & De

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Book Description :

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

Gradient Enhanced Continuum Plasticity

Gradient Enhanced Continuum Plasticity Book
Author : George Z. Voyiadjis,Yooseob Song
Publisher : Elsevier
Release : 2020-03-27
ISBN : 0128177675
Language : En, Es, Fr & De

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Book Description :

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

Handbook of Micromechanics and Nanomechanics

Handbook of Micromechanics and Nanomechanics Book
Author : Shaofan Li,Xin-Lin Gao
Publisher : CRC Press
Release : 2016-04-19
ISBN : 9814411248
Language : En, Es, Fr & De

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Book Description :

This book presents the latest developments and applications of micromechanics and nanomechanics. It particularly focuses on some recent applications and impact areas of micromechanics and nanomechanics that have not been discussed in traditional micromechanics and nanomechanics books on metamaterials, micromechanics of ferroelectric/piezoelectric, electromagnetic materials, micromechanics of interface, size effects and strain gradient theories, computational and experimental nanomechanics, multiscale simulations and theories, soft matter composites, and computational homogenization theory. This book covers analytical, experimental, as well as computational and numerical approaches in depth.

Archives of Mechanics

Archives of Mechanics Book
Author : Anonim
Publisher : Unknown
Release : 2009
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Archives of Mechanics book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

AIAA Journal

AIAA Journal Book
Author : American Institute of Aeronautics and Astronautics
Publisher : Unknown
Release : 2007
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download AIAA Journal book written by American Institute of Aeronautics and Astronautics, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Proceedings of the ASME Applied Mechanics Division

Proceedings of the ASME Applied Mechanics Division Book
Author : Anonim
Publisher : Unknown
Release : 2005
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Proceedings of the ASME Applied Mechanics Division book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Computational Plasticity

Computational Plasticity Book
Author : David Roger Jones Owen,E. Oñate,Ernest Hinton
Publisher : Unknown
Release : 1997
ISBN : 9788487867873
Language : En, Es, Fr & De

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Book Description :

Download Computational Plasticity book written by David Roger Jones Owen,E. Oñate,Ernest Hinton, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Material Instabilities in Solids

Material Instabilities in Solids Book
Author : René de Borst,Erik van der Giessen
Publisher : John Wiley & Sons
Release : 1998-10-15
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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.

Journal of the Mechanical Behavior of Materials

Journal of the Mechanical Behavior of Materials Book
Author : Anonim
Publisher : Unknown
Release : 2004
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Fracture Mechanics of Concrete Structures

Fracture Mechanics of Concrete Structures Book
Author : Victor Li
Publisher : Unknown
Release : 2004
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Fracture Mechanics of Concrete Structures book written by Victor Li, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Continuum Models for Materials with Microstructure

Continuum Models for Materials with Microstructure Book
Author : H.-B. Mühlhaus
Publisher : John Wiley & Son Limited
Release : 1995
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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.

Packaging Reliability and Manufacturing Issues Associated with Electronic and Photonic Products

Packaging  Reliability and Manufacturing Issues Associated with Electronic and Photonic Products Book
Author : Charles Ume
Publisher : American Society of Mechanical Engineers
Release : 2001
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Packaging Reliability and Manufacturing Issues Associated with Electronic and Photonic Products book written by Charles Ume, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Enhanced Gradient Crystal plasticity Study of Size Effects in B C C Metal

Enhanced Gradient Crystal plasticity Study of Size Effects in B C C  Metal Book
Author : Murat Demiral
Publisher : Unknown
Release : 2012
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Owing to continuous miniaturization, many modern high-technology applications such as medical and optical devices, thermal barrier coatings, electronics, micro- and nano-electro mechanical systems (MEMS and NEMS), gems industry and semiconductors increasingly use components with sizes down to a few micrometers and even smaller. Understanding their deformation mechanisms and assessing their mechanical performance help to achieve new insights or design new material systems with superior properties through controlled microstructure at the appropriate scales. However, a fundamental understanding of mechanical response in surface-dominated structures, different than their bulk behaviours, is still elusive. In this thesis, the size effect in a single-crystal Ti alloy (Ti15V3Cr3Al3Sn) is investigated. To achieve this, nanoindentation and micropillar (with a square cross-section) compression tests were carried out in collaboration with Swiss Federal Laboratories for Materials Testing and Research (EMPA), Switzerland. Three-dimensional finite element models of compression and indentation with an implicit time-integration scheme incorporating a strain-gradient crystal-plasticity (SGCP) theory were developed to accurately represent deformation of the studied body-centered cubic metallic material. An appropriate hardening model was implemented to account for strain-hardening of the active slip systems, determined experimentally. The optimized set of parameters characterizing the deformation behaviour of Ti alloy was obtained based on a direct comparison of simulations and the experiments. An enhanced model based on the SGCP theory (EMSGCP), accounting for an initial microstructure of samples in terms of different types of dislocations (statistically stored and geometrically necessary dislocations), was suggested and used in the numerical analysis. This meso-scale continuum theory bridges the gap between the discrete-dislocation dynamics theory, where simulations are performed at strain rates several orders of magnitude higher than those in experiments, and the classical continuum-plasticity theory, which cannot explain the dependence of mechanical response on a specimen s size since there is no length scale in its constitutive description. A case study was performed using a cylindrical pillar to examine, on the one hand, accuracy of the proposed EMSGCP theory and, on the other hand, its universality for different pillar geometries. An extensive numerical study of the size effect in micron-size pillars was also implemented. On the other hand, an anisotropic character of surface topographies around indents along different crystallographic orientations of single crystals obtained in numerical simulations was compared to experimental findings. The size effect in nano-indentation was studied numerically. The differences in the observed hardness values for various indenter types were investigated using the developed EMSGCP theory.

Microelectromechanical Systems

Microelectromechanical Systems Book
Author : Anonim
Publisher : Unknown
Release : 2004
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Three dimensional Elasto plastic Analysis of Soils

Three dimensional Elasto plastic Analysis of Soils Book
Author : Arend Erik Groen
Publisher : Unknown
Release : 1997
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Three dimensional Elasto plastic Analysis of Soils book written by Arend Erik Groen, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Multiscale Modeling of Heterogeneous Structures

Multiscale Modeling of Heterogeneous Structures Book
Author : Jurica Sorić,Peter Wriggers,Olivier Allix
Publisher : Springer
Release : 2017-11-30
ISBN : 3319654632
Language : En, Es, Fr & De

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Book Description :

This book provides an overview of multiscale approaches and homogenization procedures as well as damage evaluation and crack initiation, and addresses recent advances in the analysis and discretization of heterogeneous materials. It also highlights the state of the art in this research area with respect to different computational methods, software development and applications to engineering structures. The first part focuses on defects in composite materials including their numerical and experimental investigations; elastic as well as elastoplastic constitutive models are considered, where the modeling has been performed at macro- and micro levels. The second part is devoted to novel computational schemes applied on different scales and discusses the validation of numerical results. The third part discusses gradient enhanced modeling, in particular quasi-brittle and ductile damage, using the gradient enhanced approach. The final part addresses thermoplasticity, solid-liquid mixtures and ferroelectric models. The contents are based on the international workshop “Multiscale Modeling of Heterogeneous Structures” (MUMO 2016), held in Dubrovnik, Croatia in September 2016.

Dissertation Abstracts International

Dissertation Abstracts International Book
Author : Anonim
Publisher : Unknown
Release : 2006
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Dissertation Abstracts International book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

5th European Mechanics of Materials Conference on Scale Transitions from Atomistics to Continuum Plasticity

5th European Mechanics of Materials Conference on Scale Transitions from Atomistics to Continuum Plasticity Book
Author : E. van der Giessen,S. Forest,L. Kubin
Publisher : Unknown
Release : 2001
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download 5th European Mechanics of Materials Conference on Scale Transitions from Atomistics to Continuum Plasticity book written by E. van der Giessen,S. Forest,L. Kubin, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Euromech Mecamat 96

Euromech   Mecamat 96 Book
Author : André Pineau,G. Rousselier
Publisher : Unknown
Release : 1996
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Euromech Mecamat 96 book written by André Pineau,G. Rousselier, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Numerical Modelling in Damage Mechanics

Numerical Modelling in Damage Mechanics Book
Author : Khémais Saanouni
Publisher : Elsevier Science & Technology
Release : 2003
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

These collected writings gather recent advances in numerical and computational aspects of damage mechanics with the intention of stimulating current research and future challenges in this field.