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A modified coherent potential approximation: Grain-contact moduli and coordination-number effect

Madadi, Mahyar; Christy, Andrew


We modified the self-consistent coherent potential approximation (CPA) for modeling properties of granular composite materials so that it takes into consideration the grain coordination number and distinctive elastic moduli for grain-contact zones. The original CPA was reasonably accurate for low-porosity consolidated sandstones but used only inclusion (pore or grain) shape and did not take into account morphological parameters such as coordination number and contact area or contact moduli. In...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Advances in Geophysics
DOI: 10.1190/geo2011-0292.1


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