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学术动态

博士生杨丹卉参加ICCM22回校报告公告

好玩的棋牌网:2019-09-02 点击数:

1. 汇报安排

汇报题目:ICCM22参会报告

汇报时间:2019年9月3日(星期二)08:30

汇报地点:西五楼南楼301

汇报人:杨丹卉

2. 参加国际会议信息

会议名称:22nd International Conference on Composites Materials (ICCM22)

会议时间:1-16 August 2019

会议地点:Melbourne, Australia

会议简介:

ICCM is the premier international conference in the field of composite materials, and covers polymer matrix composites, metal matrix composites, ceramic matrix composites, natural fibre composites, fibre metal laminates, fibres and resins and all the other classes of composites. ICCM22 provides a forum for the presentation, exchange and discussion of the latest research into composite materials and their applications.

会议交流工作:

A Micromechanical Model in Cyclic Plasticity for Fiber Reinforced Wavy Composites

报告人:杨丹卉

3. 参会论文信息

TitleA Micromechanical Model in Cyclic Plasticity for Fiber Reinforced Wavy Composites

AuthorDanhui Yang, Zhibo Yang, Zhi Zhai, Xuefeng Chen

Abstract: In this paper, a micromechanical model based on the parametric finite-volume direct averaging micromechanics (FVDAM) theory and the Abdel-Karim-Ohno cyclic constitutive model was build to simulate the cyclic behavior of periodic composites with wavy microstructure. Despite the increasingly use of this kind of materials, little work has been done in investigating the cyclic plasticity response of periodic wavy composites. Unit cell with hard elastic phase and soft elastoplastic phase is build to characterize the micro and macro response under unidirectional strain controlled cyclic loading. By introducing the cyclic plasticity constituitive relation in the soft phase of the composite material, the mean stress relaxation phemonemon is simulated. The homogenized as well as the localized response of two kinds of wavy composites is investigated with consideration of different volume fraction and amplitude-to-wavelength ratios.



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