Numerically Efficient Gradient Crystal Plasticity With A Grain Boundary Yield Criterion And Dislocation Based Work Hardening
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Numerically Efficient Gradient Crystal Plasticity With A Grain Boundary Yield Criterion And Dislocation Based Work Hardening
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Author : Wulfinghoff, Stephan
language : en
Publisher: KIT Scientific Publishing
Release Date : 2014-12-10
Numerically Efficient Gradient Crystal Plasticity With A Grain Boundary Yield Criterion And Dislocation Based Work Hardening written by Wulfinghoff, Stephan and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-12-10 with categories.
Numerically Efficient Gradient Crystal Plasticity With A Grain Boundary Yield Criterion And Dislocation Based Work Hardening
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Author : Stephan Wulfinghoff
language : en
Publisher:
Release Date : 2020-10-09
Numerically Efficient Gradient Crystal Plasticity With A Grain Boundary Yield Criterion And Dislocation Based Work Hardening written by Stephan Wulfinghoff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-09 with Science categories.
This book is a contribution to the further development of gradient plasticity. Several open questions are addressed, where the efficient numerical implementation is particularly focused on. Thebook inspects an equivalent plastic strain gradient plasticity theory and a grain boundary yield model. Experiments can successfully be reproduced. The hardening model is based on dislocation densities evolving according to partial differential equations taking into account dislocation transport. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.
Single Crystal Gradient Plasticity With An Accumulated Plastic Slip Theory And Applications
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Author : Eric Bayerschen
language : en
Publisher: KIT Scientific Publishing
Release Date : 2016-12-29
Single Crystal Gradient Plasticity With An Accumulated Plastic Slip Theory And Applications written by Eric Bayerschen and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-12-29 with categories.
A Gradient Crystal Plasticity Theory Based On An Extended Energy Balance
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Author : Prahs, Andreas
language : en
Publisher: KIT Scientific Publishing
Release Date : 2020-09-15
A Gradient Crystal Plasticity Theory Based On An Extended Energy Balance written by Prahs, Andreas and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-15 with Technology & Engineering categories.
An overview of different methods for the derivation of extended continuum models is given. A gradient plasticity theory is established in the context of small deformations and single slip by considering the invariance of an extended energy balance with respect to Euclidean transformations, where the plastic slip is considered as an additional degree of freedom. Thermodynamically consistent flow rules at the grain boundary are derived. The theory is applied to a two- and a three-phase laminate.
Deep Material Networks For Efficient Scale Bridging In Thermomechanical Simulations Of Solids
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Author : Gajek, Sebastian
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-08-25
Deep Material Networks For Efficient Scale Bridging In Thermomechanical Simulations Of Solids written by Gajek, Sebastian and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-25 with categories.
We investigate deep material networks (DMN). We lay the mathematical foundation of DMNs and present a novel DMN formulation, which is characterized by a reduced number of degrees of freedom. We present a efficient solution technique for nonlinear DMNs to accelerate complex two-scale simulations with minimal computational effort. A new interpolation technique is presented enabling the consideration of fluctuating microstructure characteristics in macroscopic simulations.
Two Scale Thermomechanical Simulation Of Hot Stamping
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Author : Neumann, Rudolf
language : en
Publisher: KIT Scientific Publishing
Release Date : 2017-10-27
Two Scale Thermomechanical Simulation Of Hot Stamping written by Neumann, Rudolf and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-27 with categories.
Thermomechanical Modeling And Experimental Characterization Of Sheet Molding Compound Composites
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Author : Lang, Juliane
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-06-28
Thermomechanical Modeling And Experimental Characterization Of Sheet Molding Compound Composites written by Lang, Juliane and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-06-28 with categories.
The aim of this work is to model and experimentally characterize the anisotropic material behavior of SMC composites on the macroscale with consideration of the microstructure. Temperature-dependent thermoelastic behavior and failure behavior are modeled and the corresponding material properties are determined experimentally. Additionally, experimental biaxial damage investigations are performed. A parameter identification merges modeling and experiments and validates the models.
A Computational Multi Scale Approach For Brittle Materials
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Author : Ernesti, Felix
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-04-17
A Computational Multi Scale Approach For Brittle Materials written by Ernesti, Felix and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-04-17 with Technology & Engineering categories.
Materials of industrial interest often show a complex microstructure which directly influences their macroscopic material behavior. For simulations on the component scale, multi-scale methods may exploit this microstructural information. This work is devoted to a multi-scale approach for brittle materials. Based on a homogenization result for free discontinuity problems, we present FFT-based methods to compute the effective crack energy of heterogeneous materials with complex microstructures.
Biaxial Characterization And Mean Field Based Damage Modeling Of Sheet Molding Compound Composites
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Author : Schemmann, Malte
language : en
Publisher: KIT Scientific Publishing
Release Date : 2018-11-09
Biaxial Characterization And Mean Field Based Damage Modeling Of Sheet Molding Compound Composites written by Schemmann, Malte and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-09 with categories.
Modeling Of Dislocation Grain Boundary Interactions In Gradient Crystal Plasticity Theories
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Author : Erdle, Hannes
language : en
Publisher: KIT Scientific Publishing
Release Date : 2022-07-12
Modeling Of Dislocation Grain Boundary Interactions In Gradient Crystal Plasticity Theories written by Erdle, Hannes and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-07-12 with Technology & Engineering categories.
A physically-based dislocation theory of plasticity is derived within an extended continuum mechanical context. Thermodynamically consistent flow rules at the grain boundaries are derived. With an analytical solution of a three-phase periodic laminate, dislocation pile-up at grain boundaries and dislocation transmission through the grain boundaries are investigated. For the finite element implementations, numerically efficient approaches are introduced based on accumulated field variables.