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On the effective mechanical properties of fluid-saturated composites : a homogenization approach
journal contribution
posted on 2010-06-30, 00:00 authored by L Ma, Bernard RolfeBernard Rolfe, Q Yang, Chunhui YangComposites 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.
History
Journal
Materials science forumVolume
654-656Pagination
2273 - 2276Publisher
Trans Tech PublicationsLocation
Stafa-Zurich, SwitzerlandISSN
0255-5476Language
engPublication classification
C1 Refereed article in a scholarly journalCopyright notice
2010, Trans Tech Publications, SwitzerlandUsage metrics
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