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Gawin, Dariusz and Sanavia, Lorenzo (2008) Modelling of cavitation in water saturated porous media considering effects of dissolved air. [Preprint]

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Abstract (english)

An extension of a mathematical model for non-isothermal multiphase materials to consider the dissolution of air in liquid water and air mass sources during its desorption at lower water pressure is presented. The solid skeleton is assumed elasto-plastic; heat, water and air flows and water phase changes are taken into account. Physics of air dissolution and water cavitation in porous media is discussed. A numerical example where cavitation develops during strain localization in undrained water saturated dense sands is solved with the developed model as discretized in space and time with the Finite Element Method.

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EPrint type:Preprint
Anno di Pubblicazione:18 July 2008
More information:Paper TIMP477R2
Key Words:Poromechanics, Multiphase porous material, Coupled Thermo-Hydro-Mechanical model, Air dissolution and desorption, Water cavitation, Strain localization.
Settori scientifico-disciplinari MIUR:Area 08 - Ingegneria civile e Architettura > ICAR/08 Scienza delle costruzioni
Struttura di riferimento:Dipartimenti > pre 2012 - Dipartimento di Costruzioni e Trasporti
Codice ID:1132
Depositato il:14 Aug 2008
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