Finite element computation for mechanics parameters of composite material with randomly distributed multi-scale grains

This paper presents a finite element (FE) computation model for estimating the equivalent mechanics parameters of a composite material with randomly distributed multi-scale grains. The model is based on statistical multi-scale analysis (SMSA). First, some definitions of the probability space and sta...

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Veröffentlicht in:Engineering analysis with boundary elements Jg. 32; H. 4; S. 290 - 298
Hauptverfasser: Li, Youyun, Long, Shuyao, Cui, Junzhi
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Elsevier Ltd 01.04.2008
Schlagworte:
Boundary element method
Composite materials
Computation
Computer simulation
Equivalence
Equivalent mechanics parameter
Expected homogenization mechanics parameter
Finite element method
Grains
Mathematical analysis
Mathematical models
SMSA
STSA
STSA
Equivalent mechanics parameter
SMSA
Expected homogenization mechanics parameter
FE
ISSN:0955-7997, 1873-197X
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Zusammenfassung:This paper presents a finite element (FE) computation model for estimating the equivalent mechanics parameters of a composite material with randomly distributed multi-scale grains. The model is based on statistical multi-scale analysis (SMSA). First, some definitions of the probability space and statistical two-scale analysis (STSA) of the mechanics parameters for a composite material with randomly distributed grains are briefly reviewed. Next, a computer simulation algorithm for composite materials with random grains is presented. Then an FE procedure based on STSA is proposed and some properties of the equivalent mechanics parameters are outlined. Finally, the FE procedure for a composite material with randomly distributed grains is described and two numerical examples are demonstrated. The numerical results show that the FE procedure based on SMSA is a valid and feasible method for predicting the mechanics parameters of a composite material with randomly distributed grains.
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ISSN:0955-7997
1873-197X
DOI:10.1016/j.enganabound.2007.10.009