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Micro-CT Based Meso-Scale Modeling and Peridynamics Analysis for Short-Fiber Composites
Zhiyang Yao1, Shuling Wang1, Yin Yu1, Yile Hu1,*
1 Aerospace Structure Research Center, School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai,
200240, China
* Corresponding Author: Yile Hu. Email:
The International Conference on Computational & Experimental Engineering and Sciences 2023, 26(2), 1-1. https://doi.org/10.32604/icces.2023.09298
Abstract
This study presents a method for modeling and analyzing the microstructure of short-fiber composites by
using state-based PeriDynamic (PD). The micro-structure of short-fiber composites is obtained from MicroCT scanning which provides non-uniformly discretized meshes of short-fiber’s surface profile. In order to
obtain the uniformly discretized PD model, a new layering algorithm is proposed to reconstruct the shortfiber microstructure. Furthermore, considering the anisotropy of short-fiber, a clustering algorithm based
on machine learning is introduced to identify fibers and calculate their orientations. The PD interaction
domain of a material point on the boundary is incomplete, it can be complemented by searching material
points on the opposite side of the microstructure. Hence, the periodic boundary conditions can be naturally
satisfied. The bond constants of a bond crossing the fiber-matrix interface is determined by the fiber volume
fraction of that particular bond. We prepared short-fiber composites (T300/Epoxy) with 0.5%, 1%, 2% and
5% volume fractions. And the length of fiber composites are 0.5, 1, 2, 3, 4 and 5 mm. Statics tests are carried
out on short-fiber composites. The comparisons between peridynamic predictions and experimental results
show good agreement, therefore, the accuracy and effectiveness of the proposed method are verified. This
method can be used to study the effective elastic properties and damage mechanisms in randomly oriented
short-fiber composites under various loading conditions.
Keywords
Cite This Article
APA Style
Yao, Z., Wang, S., Yu, Y., Hu, Y. (2023). Micro-ct based meso-scale modeling and peridynamics analysis for short-fiber composites. The International Conference on Computational & Experimental Engineering and Sciences, 26(2), 1-1. https://doi.org/10.32604/icces.2023.09298
Vancouver Style
Yao Z, Wang S, Yu Y, Hu Y. Micro-ct based meso-scale modeling and peridynamics analysis for short-fiber composites. Int Conf Comput Exp Eng Sciences . 2023;26(2):1-1 https://doi.org/10.32604/icces.2023.09298
IEEE Style
Z. Yao, S. Wang, Y. Yu, and Y. Hu "Micro-CT Based Meso-Scale Modeling and Peridynamics Analysis for Short-Fiber Composites," Int. Conf. Comput. Exp. Eng. Sciences , vol. 26, no. 2, pp. 1-1. 2023. https://doi.org/10.32604/icces.2023.09298