Elastoplastic and progressive failure analysis of fiber-reinforced composites via an efficient nonlinear microscale model

Aerotecnica Missili & Spazio

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Title Elastoplastic and progressive failure analysis of fiber-reinforced composites via an efficient nonlinear microscale model
 
Creator Kaleel, Ibrahim
Petrolo, Marco
Carrera, Erasmo
 
Subject Aerospace Structures
Nonlinear analysis, Failure, Elastoplasticity, Micromechanics, Finite Elements
Structural models for composites
 
Description This paper presents numerical results concerning the nonlinear and failure analysis of fiber-reinforced composites. The micromechanical framework exploits a class of refined 1D models based on the Carrera Unified Formulation (CUF) having a variable kinematic description. The recently developed CUF micromechanics is a framework for the nonlinear modeling and exploits the ability of the CUF to predict accurate 3D stress fields with reduced computational overheads. The present formulation features the von Mises J\textsubscript{2} theory for the pre-peak nonlinearity observed in matrix constituents, and the crack-band theory to capture the damage progression. Numerical examples and comparisons with results from literature assess the accuracy and efficiency of the proposed framework. The paper highlights the applicability of CUF models as an efficient micromechanical platform for nonlinear and progressive failure analysis for fiber-reinforced composites with potentially major advantages in the perspective of multiscale modeling.
 
Publisher Associazione Italiana di Aeronautica e Astronautica (AIDAA)
 
Contributor H2020 MSCA-ITN-ETN Project FULLCOMP
 
Date 2018-07-24
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
Numerical
 
Format application/pdf
 
Identifier http://131.114.27.37/index.php/AMS/article/view/340
10.19249/ams.v97i2.340
 
Source Aerotecnica Missili & Spazio; Vol 97, No 2 (2018); 103-110
0365-7442
 
Language eng
 
Relation http://131.114.27.37/index.php/AMS/article/view/340/pdf
 
Rights Copyright (c) 2018 Aerotecnica Missili & Spazio
 

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