A novel algorithm to generate representative volume elements with cylindrical fibers and sphere particles

IF 2.3 3区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Journal of Composite Materials Pub Date : 2024-02-28 DOI:10.1177/00219983241236868

Ruoyu Li, Zhonghai Xu, Chaocan Cai, Xiaodong He

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引用次数: 0

Abstract

In the article, we propose a new method to generate representative volume element (RVE) of random spatial distributions with cylindrical fibers and spherical particles based on the Improved Artificial Bee Colony (IABC) algorithm. In this employed bee phase of IABC, the proposed algorithm adopts a new search strategy, which improves the computational efficiency. To analyze the differences between the fiber distribution generated by this algorithm and the actual fiber distribution, we conducted statistical analysis on the distribution of the generated RVE. The statistical analysis results of the nearest neighbor distance (NND), Second-order intensity function, and pair correlation function were in good agreement with the experiment and complete spatial randomness (CSR) patterns. In addition, the predicted elastic properties were compared with experimental measurements and theoretical prediction methods. The results demonstrate the accuracy and efficiency of the proposed algorithm. This algorithm can quickly generate the RVE of cylindrical fibers and spherical particles with volume fractions of 80% and 62%, and the calculation time for generating the RVE of cylindrical fibers is about 17s.

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用圆柱形纤维和球形颗粒生成代表性体积元素的新算法

本文提出了一种基于改进人工蜂群（IABC）算法的新方法，用于生成带有圆柱形纤维和球形颗粒的随机空间分布的代表性体积元素（RVE）。在 IABC 的受雇蜜蜂阶段，所提出的算法采用了新的搜索策略，从而提高了计算效率。为了分析该算法生成的纤维分布与实际纤维分布之间的差异，我们对生成的 RVE 分布进行了统计分析。近邻距离（NND）、二阶强度函数和成对相关函数的统计分析结果与实验结果和完全空间随机性（CSR）模式十分吻合。此外，还将预测的弹性特性与实验测量结果和理论预测方法进行了比较。结果证明了所提算法的准确性和高效性。该算法可以快速生成体积分数为 80% 和 62% 的圆柱形纤维和球形颗粒的 RVE，生成圆柱形纤维 RVE 的计算时间约为 17 秒。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Composite Materials 工程技术-材料科学：复合

CiteScore

5.40

自引率

6.90%

发文量

274

审稿时长

6.8 months

期刊介绍： Consistently ranked in the top 10 of the Thomson Scientific JCR, the Journal of Composite Materials publishes peer reviewed, original research papers from internationally renowned composite materials specialists from industry, universities and research organizations, featuring new advances in materials, processing, design, analysis, testing, performance and applications. This journal is a member of the Committee on Publication Ethics (COPE).