期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 92, 期 -, 页码 146-157出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2016.06.018
关键词
Polymer-matrix composites (PMCs); Multiscale modeling; Finite element analysis (FEA); Computational micromechanics
资金
- AIRBUS SAS through the project SIMSCREEN (Simulation for Screening Composite Materials Properties)
- Spanish Ministry of Economy and Competitiveness through the Ramon y Cajal program
Qualification of Fiber Reinforced Polymer materials (FRP's) for manufacturing of structural components in the aerospace industry is usually associated with extensive and costly experimental campaigns. The burden of testing is immense and materials should be characterized under different loading states (tension, compression, shear) and environmental conditions (temperature, humidity) to probe their structural integrity during service life. Recent developments in multiscale simulation, together with increased computational power and improvements in modeling tools, can be used to alleviate this scenario. In this work, high-fidelity simulations of the material behavior at the micro level are used to predict ply properties and ascertain the effect of ply constituents and microstructure on the homogenized ply behavior. This approach relies on the numerical analysis of representative volume elements equipped with physical models of the ply constituents. Its main feature is the ability to provide fast predictions of ply stiffness and strength properties for different environmental conditions of temperature and humidity, in agreement with the experimental results, showing the potential to reduce the time and costs required for material screening and characterization. (C) 2016 Elsevier Ltd. All rights reserved.
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