On the effective mechanical properties of fluid-saturated composites : a homogenization approach

Ma, Lianhua, Rolfe, Bernard F., Yang, Qingsheng and Yang, Chunhui 2010, On the effective mechanical properties of fluid-saturated composites : a homogenization approach, Materials science forum, vol. 654-656, pp. 2273-2276.

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Title On the effective mechanical properties of fluid-saturated composites : a homogenization approach
Author(s) Ma, Lianhua
Rolfe, Bernard F.
Yang, Qingsheng
Yang, Chunhui
Journal name Materials science forum
Volume number 654-656
Start page 2273
End page 2276
Publisher Trans Tech Publications
Place of publication Stafa-Zurich, Switzerland
Publication date 2010-06-30
ISSN 0255-5476
Keyword(s) fluid-saturated composites
effective properties
micromechanics
asymptotic analysis
Summary Composites containing saturated fluid are widely distributed in nature, such as saturated rocks, colloidal materials and biological cells. In the study to determine effective mechanical properties of fluid-saturated composites, a micromechanical model and a multi-scale homogenization-based model are developed. In the micromechanical model the internal fluid pressure is generated by applying eigenstrains in the domain of the fluid phase and the explicit expressions of effective bulk modulus and shear modulus are obtained. Meanwhile a multi-scale homogenization theory is employed to develop the homogenization-based model on determination of effective properties at the small scale in a unit cell level. Applying the two proposed approaches, the effects of the internal pressure of hydrostatic fluid on effective properties are further investigated.
Language eng
Field of Research 091307 Numerical Modelling and Mechanical Characterisation
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2010
Copyright notice ©2010, Trans Tech Publications, Switzerland
Persistent URL http://hdl.handle.net/10536/DRO/DU:30033785

Document type: Journal Article
Collection: School of Engineering
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