Framework for Cohesive Zone Model Based Multiscale Damage Evolution in a Fatigue Environment
Year: 2011
Type: article
Abstract: Framework For Cohesive Model Based Multiscale Damage Evolution In A Fatigue Environment.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.
Author: Michael A. Thomas
Institution: Wright State University
Language: English
Subfield: Mechanics of Materials
Field: Engineering
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W2555772707