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Stochastic multi-scale analysis of homogenised properties considering uncertainties in cellular solid microstructures using a first-order perturbation

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Main Authors: Khairul Salleh, Basaruddin, Nur Saifullah, Kamarrudin, Ishak, Ibrahim
Other Authors: khsalleh@unimap.edu.my
Format: Article
Language:English
Published: Argentinean Association of Computational Mechanics, Brazilian Association of Computational Mechanics, Mexican Association of Numerical Methods in Engineering and Applied Sciences 2014
Subjects:
Stochastic multi-scale
Perturbation method
Cellular media
Macroscopic property
Online Access:http://dspace.unimap.edu.my:80/dspace/handle/123456789/35408
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spelling my.unimap-354082014-06-12T03:52:19Z Stochastic multi-scale analysis of homogenised properties considering uncertainties in cellular solid microstructures using a first-order perturbation Khairul Salleh, Basaruddin Nur Saifullah, Kamarrudin Ishak, Ibrahim khsalleh@unimap.edu.my Stochastic multi-scale Perturbation method Cellular media Macroscopic property Link to publisher's homepage at http://www.lajss.org Randomness in the microstructure due to variations in microscopic properties and geometrical information is used to predict the stochastically homogenised properties of cellular media. Two stochastic problems at the micro-scale level that commonly occur due to fabrication inaccuracies, degradation mechanisms or natural heterogeneity were analysed using a stochastic homogenisation method based on a first-order perturbation. First, the influence of Young's modulus variation in an adhesive on the macroscopic properties of an aluminium-adhesive honeycomb structure was investigated. The fluctuations in the microscopic properties were then combined by varying the microstructure periodicity in a corrugated-core sandwich plate to obtain the variation of the homogenised property. The numerical results show that the uncertainties in the microstructure affect the dispersion of the homogenised property. These results indicate the importance of the presented stochastic multi-scale analysis for the design and fabrication of cellular solids when considering microscopic random variation. 2014-06-12T03:52:19Z 2014-06-12T03:52:19Z 2014 Article Latin American Journal of Solids and Structures, vol.11 (5), 2014, pages 755-769 1679-7825 http://dspace.unimap.edu.my:80/dspace/handle/123456789/35408 http://www.scielo.br/scielo.php?pid=S1679-78252014000500002&script=sci_arttext http://dx.doi.org/10.1590/S1679-78252014000500002 en Argentinean Association of Computational Mechanics, Brazilian Association of Computational Mechanics, Mexican Association of Numerical Methods in Engineering and Applied Sciences
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Stochastic multi-scale
Perturbation method
Cellular media
Macroscopic property
spellingShingle Stochastic multi-scale
Perturbation method
Cellular media
Macroscopic property
Khairul Salleh, Basaruddin
Nur Saifullah, Kamarrudin
Ishak, Ibrahim
Stochastic multi-scale analysis of homogenised properties considering uncertainties in cellular solid microstructures using a first-order perturbation
description Link to publisher's homepage at http://www.lajss.org
author2 khsalleh@unimap.edu.my
author_facet khsalleh@unimap.edu.my
Khairul Salleh, Basaruddin
Nur Saifullah, Kamarrudin
Ishak, Ibrahim
format Article
author Khairul Salleh, Basaruddin
Nur Saifullah, Kamarrudin
Ishak, Ibrahim
author_sort Khairul Salleh, Basaruddin
title Stochastic multi-scale analysis of homogenised properties considering uncertainties in cellular solid microstructures using a first-order perturbation
title_short Stochastic multi-scale analysis of homogenised properties considering uncertainties in cellular solid microstructures using a first-order perturbation
title_full Stochastic multi-scale analysis of homogenised properties considering uncertainties in cellular solid microstructures using a first-order perturbation
title_fullStr Stochastic multi-scale analysis of homogenised properties considering uncertainties in cellular solid microstructures using a first-order perturbation
title_full_unstemmed Stochastic multi-scale analysis of homogenised properties considering uncertainties in cellular solid microstructures using a first-order perturbation
title_sort stochastic multi-scale analysis of homogenised properties considering uncertainties in cellular solid microstructures using a first-order perturbation
publisher Argentinean Association of Computational Mechanics, Brazilian Association of Computational Mechanics, Mexican Association of Numerical Methods in Engineering and Applied Sciences
publishDate 2014
url http://dspace.unimap.edu.my:80/dspace/handle/123456789/35408
_version_ 1643797786206928896
score 13.214268

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