chebЧебышевский сборникChebyshevskii Sbornik2226-8383Tula State Lev Tolstoy Pedagogical University10.22405/2226-8383-2017-18-3-279-289cheb-359Research ArticleСтатьиArticleМНОГОМАСШТАБНОЕ МОДЕЛИРОВАНИЕ ПОНИЖЕННОГО ПОРЯДКА ДЛЯ ИССЛЕДОВАНИЯ ДЕГРАДАЦИИ КОМПОЗИЦИОННЫХ МАТЕРИАЛОВ ПОД ДЕЙСТВИЕМ ВЛАГИREDUCED ORDER MULTISCALE ANALYSIS OF MOISTURE DEGRADATION IN COMPOSITE MATERIALSЮаньЗифенгYuanZifeng

Postdoctoral Researcher in the City of New York

Postdoctoral Researcher in the City of New York

ФишДжейкобFishJacob

The Carleton Professor, in the City of New York (Civil Engineering and Engineering Mechanics)

The Carleton Professor, City of New York (Civil Engineering and Engineering Mechanics )

fishj@columbia.eduColumbia UniversityКолумбияColumbia UniversityColombia201708012018183279289Copyright © Юань З., Фиш Д., 20172017Юань З., Фиш Д.Yuan Z., Fish J.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.chebsbornik.ru/jour/article/view/359

Имеется множество факторов, влияющих на деградацию композиционных материалов под  действием окружающей среды. В настоящей работе изучается два источника деградации. Во- первых, мы исследуем накопление повреждений в материале, состоящем из углеродных волокон и эпоксидной смолы, при циклическом нагружении. Во-вторых, развит  многомасштабный и мультифизический подход к исследованию деградации материала,  состоящего из стекловолокна и нейлона, вследствие накопления влаги. Мультифизический и  многомасштабный подход учитывает совместное протекание реакционно-диффузионных и механических процессов на нескольких масштабных уровнях.

There are variety of factors affecting degradation of composite materials due to environmental effects. In the present manuscript, two  sources of degradation are studied. We first consider an accumulation of damage in carbon-fiber/epoxy-resin material system subjected to cyclic  load. A  multiscale-multiphysics approach is developed for degradation  of glassfiber/ Nylon material system due to moisture accumulation. A  multiphysicsmultiscale approach couples diffusion-reaction-mechanical  process at multiple spatial scales.

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The authors declare that there are no conflicts of interest present.