A rapid multi-scale design tool for the prediction of wrinkle defect formation in composite components

被引：27
作者：
Belnoue, Jonathan P. -H. [1 ]
Hallett, Stephen R. [1 ]
机构：
[1] Univ Bristol, Bristol Composites Inst ACCIS, Bristol BS8 1TR, Avon, England
来源：
MATERIALS & DESIGN | 2020年 / 187卷
基金：
英国工程与自然科学研究理事会;
关键词：
Kinematic enrichment; Hyper-viscoelasticity; Anisotropy; Heterogeneity; Interface; CONSTITUTIVE MODELING FRAMEWORK; LOCALIZED FAILURE; BENDING BEHAVIOR; SCALES; REINFORCEMENTS; DELAMINATION; DEFORMATION; VARIABILITY; PREPREGS; FLOW;
D O I：
10.1016/j.matdes.2019.108388
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The consolidation of uncured material is an important factor in the design and manufacture of thick laminated composite structures since it is a key driver for part quality and the formation of defects. A new modelling approach and its implementation is presented here. The constitutive relation, based on kinematic enrichment, has been derived from the orientation and volume of the micro-constituents of the material, their respective constitutive laws and the orientation of the interfaces between them. It is applicable for any layered structures, in particular those made of soft anisotropic materials. The proposed method has been implemented into a commercial Finite Element (FE) software via a user material. Its ability to predict wrinkles during the manufacture of laminated composites demonstrates its performance as a design tool, as this provides a challenging test case for any numerical platform. (C) 2019 Published by Elsevier Ltd.
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页数：13
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