Probabilistic multiscale modeling of 3D randomly oriented and aligned wavy CNT nanocomposites and RVE size determination

Zhu Fei-Yan; Jeong Sungwoo; Lim Hyoung Jun; Yun Gun Jin

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Probabilistic multiscale modeling of 3D randomly oriented and aligned wavy CNT nanocomposites and RVE size determination

机译：3D随机取向和排列的波浪状CNT纳米复合材料的概率多尺度建模和RVE尺寸确定

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This paper presents a probabilistic multiscale approach to model the random spatial distribution of local elastic properties arising from the heterogeneous waviness and orientation of CNT fillers within a 3D microscale continuum representative volume element (RVE) of a CNT-reinforced polymer matrix. The proposed direction-sensitive 3D Karhunen-Loeve expansion (KLE) provides the basis to simulate stochastic variations in the CNT orientations rather than assuming a perfect alignment. Computational homogenization analyses are carried out to investigate the effects of the statistical parameters of random CNT waviness on the microscale continuum RVE size. The proposed probabilistic multiscale modelling framework allows to consider the uncertainty associated with the use of CNT nanocomposites for various applications.

机译：本文提出了一种概率多尺度方法，该方法用于模拟由CNT增强的聚合物基体的3D微米级连续体代表体积元素（RVE）中的CNT填料的不均匀波纹和取向引起的局部弹性的随机空间分布。拟议的方向敏感型3D Karhunen-Loeve展开（KLE）为模拟CNT方向的随机变化（而不是假设完美对齐）提供了基础。进行计算均质分析，以研究随机CNT波纹度的统计参数对微观连续体RVE大小的影响。所提出的概率多尺度建模框架允许考虑与在各种应用中使用CNT纳米复合材料相关的不确定性。

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来源
《Composite Structures》 |2018年第7期|265-275|共11页
作者
Zhu Fei-Yan; Jeong Sungwoo; Lim Hyoung Jun; Yun Gun Jin;
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作者单位

Seoul Natl Univ, Dept Mech & Aerosp Engn, Seoul 08826, South Korea;

Seoul Natl Univ, Dept Mech & Aerosp Engn, Seoul 08826, South Korea;

Seoul Natl Univ, Dept Mech & Aerosp Engn, Seoul 08826, South Korea;

Seoul Natl Univ, Dept Mech & Aerosp Engn, Seoul 08826, South Korea;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
CNT nanocomposites; Computational homogenization; RVE size; Random fields; Probabilistic modeling; Micromechanics; Karhunen-Loeve expansion;

机译：CNT纳米复合材料;计算均质化;RVE尺寸;随机场;概率模型;微力学;Karhunen-Loeve展开;

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专利

1. Effect of waviness and orientation of carbon nanotubes on random apparent material properties and RVE size of CNT reinforced composites [J] . Savvas Dimitrios, Stefanou George, Papadopoulos Vissarion, Composite Structures . 2016,第sepa期

机译：碳纳米管的波纹度和取向对CNT增强复合材料随机表观材料性能和RVE尺寸的影响
2. 3D RVE Models Able to Capture and Quantify the Dispersion, Agglomeration, and Orientation State of CNT in CNT/PP Nanocomposites [J] . Bhuiyan Md A., Pucha Raghuram V., Kalaitzidou Kyriaki Frontiers in Materials . 2016,第4期

机译：能够捕获和量化CNT / PP纳米复合材料中CNT的分散，团聚和取向状态的3D RVE模型
3. Multiscale modeling of the effect of waviness and agglomeration of CNTs on the elastic properties of nanocomposites [J] . Alian A. R., El-Borgi S., Meguid S. A. Computational Materials Science . 2016,第Null期

机译：碳纳米管的起伏和团聚对纳米复合材料弹性性能影响的多尺度模拟
4. Effective Stiffness of Wavy Aligned Carbon Nanotubes for Modeling of Controlled-Morphology Polymer Nanocomposites [C] . Hulya Cebeci, Roberto Guzman de Villoria, Robert M. Jones, AIAA/ASME/ASCE/AHS/ASC structures, structural dynamics and materials conference . 2012

机译：波浪状排列的碳纳米管对受控形态聚合物纳米复合材料建模的有效刚度
5. Multiscale Modeling of CNT-Polymer Nanocomposites and Fuzzy Fiber Reinforced Polymer Composites for Strain and Damage Sensing [D] . Ren, Xiang 2014

机译：碳纳米管聚合物纳米复合材料和模糊纤维增强聚合物复合材料的应变和损伤传感多尺度建模
6. Wave Dispersion Analysis of Fluid Conveying Nanocomposite Shell Reinforced by MWCNTs Considering the Effect of Waviness and Agglomeration Efficiency [O] . Mohammad Alkhedher, Pouyan Talebizadehsardari, Arameh Eyvazian, 2021

机译：MWCNT考虑波纹和附聚效率的MWCNT型流体输送纳米复合壳波分散分析
7. 3D RVE models able to capture and quantify the dispersion, agglomeration and orientation state of CNT in CNT/PP nanocomposites [O] . Md Atiqur Bhuiyan, Raghuram V Pucha, Kyriaki eKalaitzidou 2016

机译：3D RVE模型能够捕获和量化CNT / pp纳米复合材料中CNT的分散，团聚和取向状态

Probabilistic multiscale modeling of 3D randomly oriented and aligned wavy CNT nanocomposites and RVE size determination

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