Micromechanics Based Composite Material Model for Crashworthiness Explicit Finite Element Simulation

Author:

Tabiei Ala1,Chen Quing2

Affiliation:

1. 797 Rhodes Hall, Box 210070, Center of Excellence in DYNA3D Analysis College of Engineering, Department of Aerospace Eng. & Eng. Mechanics, University of Cincinnati, Cincinnati, OH 45221-0070,

2. 797 Rhodes Hall, Box 210070, Center of Excellence in DYNA3D Analysis College of Engineering, Department of Aerospace Eng. & Eng. Mechanics, University of Cincinnati, Cincinnati, OH 45221-0070

Abstract

A micromechanical model is developed for laminated composite materials and implemented in the explicit finite element method. The objective of this study is to get an accurate and simple micro-model that can be used in the displacement-based nonlinear explicit finite element code DYNA3D. The micromechanical model implemented in the explicit finite element code can be used for simulating the behavior of composite structures under various loads such as impact and crash. The stress-strain relation for the micro-model is derived for shell element. A micro-failure criterion (MFC) is presented for each material constituent and failure mode. The implemented model is validated through several test examples. As a demonstration case of the stability of the developed micro-model, a finite element model of a graphite/epoxy tube structure is developed and simulated under axial crash.

Publisher

SAGE Publications

Subject

Condensed Matter Physics,Ceramics and Composites

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3