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

页码：45 / 64

页数：20

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