期刊
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
卷 -, 期 -, 页码 -出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15376494.2023.2224792
关键词
Random fiber arrangement; representative volume element; disturbances; image recognition technique; statistical analysis
This study presents a new method for generating random fiber arrangements in high fiber volume fractions. Regular arrangements are initially made to ensure accurate fiber volume fraction, followed by applying disturbances to create random arrangements. The randomness of the disturbed fiber arrangement is quantitatively evaluated using image recognition and statistical analysis. The method's efficiency is verified through analysis of modeling time consumption, and its validity is confirmed by comparing the calculated results with tested results.
This study presents a new method to generate random fiber arrangements in a representative volume element model, which remains applicable at high fiber volume fractions. First of all, the fibers are arranged regularly to ensure accurate fiber volume fraction. Afterwards, disturbances are applied to all fibers to generate random arrangements. The image recognition technique and statistical analysis are used to quantitatively evaluate the randomness of the disturbed fiber arrangement. Eventually, the high efficiency of the method is verified by analyzing the consumption time of modeling, and its validity is also confirmed by comparing the calculated results with the tested results.
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