REDUCED-ORDER MULTISCALE-MULTIPHYSICS MODEL FOR HETEROGENEOUS MATERIALS

被引：11
|
作者：
Yuan, Zheng [1 ]
Jiang, Tao [1 ]
Fish, Jacob [2 ]
Morscher, Greg [3 ]
机构：
[1] Multiscale Design Syst LLC, New York, NY 10010 USA
[2] Columbia Univ, Dept Civil Engn & Engn Mech, New York, NY 10027 USA
[3] Univ Akron, Dept Mech Engn, Akron, OH 44325 USA
来源：
INTERNATIONAL JOURNAL FOR MULTISCALE COMPUTATIONAL ENGINEERING | 2014年 / 12卷 / 01期
关键词：
multiscale; multiphysics; homogenization; coupled; heterogeneous; MATHEMATICAL HOMOGENIZATION THEORY; CREEP; COMPOSITES; SIMULATION; SCALES;
D O I：
10.1615/IntJMultCompEng.2013007162
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A unified coupled multiscale mechano-diffusion-reaction model of environmental degradation of polymer matrix composite (PMC) and ceramic matrix composite (CMC) is developed. The unified multiscale-multiphysics model couples multiple physical processes at multiple scales, including oxygen diffusion, oxidation, and deformation. The salient feature of the unified multiscale-multiphysics model is its computational efficiency accomplished through a systematic model reduced carried out prior to nonlinear analysis. The model has been validated for PMR-15 reinforced carbon fiber composite and melt infiltrated CMC-NASA N24A material system.
引用
收藏
页码：45 / 64
页数：20
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