Framework for Cohesive Zone Model Based Multiscale Damage Evolution in a Fatigue Environment
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ndltd-OhioLink-oai-etd.ohiolink.edu-wright13082577902021-08-03T06:17:26Z Framework for Cohesive Zone Model Based Multiscale Damage Evolution in a Fatigue Environment Thomas, Michael Andrew Engineering Mechanical Engineering Micromechanical Damage Evolution Cohesive Zone Modeling Adaptive Meshing Constitutive Model The focus of this research is to develop a framework to track damage evolution in a structural model subjected to a fatigue environment. This framework incorporates a micromechanical approach of continuous damage modeling, where damage in a homogenized representative microstructure is introduced at the continuum scale through the material constitutive matrix. In this research, damage in the representative microstructure is simulated utilizing cohesive zone models (CZM) whose properties are a function of the magnitude of applied stresses and the resulting separation. In order to minimize the mesh dependence of the cohesive zone model an adaptive meshing technique is employed. A fatigue simulation is performed to demonstrate the capability of the framework to predict the initiation and evolution of damage. 2011-06-24 English text Wright State University / OhioLINK http://rave.ohiolink.edu/etdc/view?acc_num=wright1308257790 http://rave.ohiolink.edu/etdc/view?acc_num=wright1308257790 unrestricted This thesis or dissertation is protected by copyright: all rights reserved. It may not be copied or redistributed beyond the terms of applicable copyright laws. |
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NDLTD |
language |
English |
sources |
NDLTD |
topic |
Engineering Mechanical Engineering Micromechanical Damage Evolution Cohesive Zone Modeling Adaptive Meshing Constitutive Model |
spellingShingle |
Engineering Mechanical Engineering Micromechanical Damage Evolution Cohesive Zone Modeling Adaptive Meshing Constitutive Model Thomas, Michael Andrew Framework for Cohesive Zone Model Based Multiscale Damage Evolution in a Fatigue Environment |
author |
Thomas, Michael Andrew |
author_facet |
Thomas, Michael Andrew |
author_sort |
Thomas, Michael Andrew |
title |
Framework for Cohesive Zone Model Based Multiscale Damage Evolution in a Fatigue Environment |
title_short |
Framework for Cohesive Zone Model Based Multiscale Damage Evolution in a Fatigue Environment |
title_full |
Framework for Cohesive Zone Model Based Multiscale Damage Evolution in a Fatigue Environment |
title_fullStr |
Framework for Cohesive Zone Model Based Multiscale Damage Evolution in a Fatigue Environment |
title_full_unstemmed |
Framework for Cohesive Zone Model Based Multiscale Damage Evolution in a Fatigue Environment |
title_sort |
framework for cohesive zone model based multiscale damage evolution in a fatigue environment |
publisher |
Wright State University / OhioLINK |
publishDate |
2011 |
url |
http://rave.ohiolink.edu/etdc/view?acc_num=wright1308257790 |
work_keys_str_mv |
AT thomasmichaelandrew frameworkforcohesivezonemodelbasedmultiscaledamageevolutioninafatigueenvironment |
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1719434116348248064 |