A characteristic feature of the theories of porous media is the adoption of a macroscopic scale. The key concepts to reconcile continuum mechanics with the microscopic discontinuities inherent in porous media constituted by solid and. Mechanics of porous continua means the modeling and the prediction of how porous media deform, when subjected to various physical phenomena and external actions. Philipp gebhart and abdolhamid attaran, institute of solid mechanics, tu. The field of poromechanics grew out of soil mechanics, particularly the work. Second gradient mechanics for porous solids has actually been already.
Modelling and predicting how porous media deform when subjected to external actions and physical phenomena, including the effect of saturating fluids, are of importance to the understanding of geophysics and civil engineering including soil and rock mechanics and petroleum engineering, as well as in newer areas such as biomechanics and agricultural engineering. Anisotropic poroplasticity in saturated porous media, effect. An assigment including computational aspects, and computer implementation, of a chosen specific porous media model is given. Continuum mechanics of porous materials proceedings of the iutam symposium held at the university of stuttgart, germany, september 510, 1999 edited by. Adsorption of gases or vapors in multimolecular layers in a porous solid is fundamentally described by the classical bet theory, formulated in 1938 by brunauer, emmett and teller rumored to stem from a backofthe envelope calculation of. Pdf computational mechanics of multiphase materials. We revisit the poromechanics set up by olivier coussy for better understanding of the mechanical effect of partial freezing in cohesive porous materials. Olivier coussy ecole des ponts paristech, france 18 to 20 april 2011.
To reconcile continuum mechanics with the intrinsic microscopic discontinuities of porous like materials, composed of several interacting phases, two alternative approaches or theoretical. Broaden your horizons with an entire library,all your own. Highlights in the historical development and current state, springer verlag, 2000 ta418. Bazant journal of the mechanics and physics of solids 127 2019 111124 edward teller during a lunch brunauer, 1943. A brief introduction to finite elasticity volume iv. Cement paste plus sand and aggregates, eventually interfacial transition zone csh matrix plus clinker phases, ch crystals, and macroporosity low density and high density csh phases incl. This is the only book that i have seen so far treating the mechanics and thermodynamics of porous media from a systematic continuum approach. Coussy uses the language of thermodynamics to frame the discussion of this topic and bridge the gap between physicists and engineers, and organises the material in such a way that individual phases are explored, followed by coupled problems of. Thermoporomechanical modeling of orthotropic porous media at. Franzjosef ulm born march 9, 1964 in furthbavaria, west germany is a structural engineer, an engineering scientist and a professor since 1999. Iutam symposium on theoretical and numerical methods in. This structure allows the reader to build a solid understanding of the physical processes occurring in the fluids and then porous solids. A porous medium can be treated as the superimposition of two continua, the skeleton continuum and.
My appreciation for mechanics was nucleated by professors douglas amarasekara and munidasa ranaweera of the then university of ceylon, and was subsequently shaped and. Dangla 1995, a macroscopic model of the swelling phenomena of a saturated clay, european journal of mechanics asolids, vol 14, n o 6. Sun, a semiimplicit micropolar discreteto continuum method for granular materials, vii european congress on computational methods in. Mar 21, 1995 mechanics of porous continua means the modeling and the prediction of how porous media deform, when subjected to various physical phenomena and external actions. Mechanics and physics of porous solids offers a critical reference on the physics of multiphase porous materials key reading for engineers and researchers in structural and material engineering, concrete, wood and materials science, rock and soil mechanics, mining and oil prospecting, biomechanics.
Dr olivier coussy, scientist and engineer of the mechanics and. As a matter of fact, it is the divergence of the difference between the stress. Mechanics and physics of porous solids addresses the mechanics and physics of deformable porous materials whose porous space is filled by one or several fluid mixtures interacting with the solid matrix. Stress equivalence principle for saturated porous media. Partially saturated porous media reactive porous media macroscopic electrical effects a single theoretical framework to the subject to explain the interdisciplinary nature of the subject exercises at the end of each chapter to aid understanding the unified approach taken by this text makes it a valuable addition to the bookshelf of every. Pdf a coupled discretecontinuum approach to simulate. Jan 01, 2019 in this work we present a theoretical and computational framework for the macroscopic, continuum based modeling of porous ferrogels at finite strains. Mechanics and physics of porous solids by olivier coussy. This 3day symposium will take place in ecole des ponts paristech in champssurmarne france, 20 minutes away from downtown paris by train. The connected porous space of the polymer matrix is filled with a fluid. Mechanics of porous continua, wiley and sons, chichester, 1995. In this monograph, dr coussy developed a consistent thermodynamics theory of poromechanics, by considering porous continua, at the.
Nonlinear magnetoelastic deformations of porous solids pei. Coussy s way of treating the porous media as a open continua, and its casting in the lagragian form allows a rigorious treatment of poroelastoplasticity problem becomes possible. Thermodynamic approach to effective stress in partially saturated. Coupling of damage and fluidsolid interactions in quasi. Mechanics and thermodynamics of saturatedunsaturated. Drainage and drying of deformable porous materials. Cement paste plus sand and aggregates, eventually interfacial transition zone csh matrix plus clinker phases, ch crystals, and. Starting from the highly successful first edition, coussy has completely rewritten mechanics of porous continua poromechanics to include. Introductory nite element method fem and continuum mechanics courses are required. Olivier coussy to be held from april 18 to april 20, 2011. Coussy, poromechanics of freezing materials, journal of the mechanics and physics of solids, vol 538 pp. Jan 01, 2017 the last two terms are introduced to describe the poroelastic coupling in a saturated porous medium. A magnetoactive porous solid comprises a porous polymer matrix with embedded magnetizable particles.
Coussy broke new grounds in applied mechanics with his first monograph entitled mecanique des milieux poreux editions technip, 1991, and its english translation and extension mechanics of porous continua j. Buy mechanics of porous continua 2nd revised edition by coussy, olivier isbn. Coussy, mechanics and physics of porous solids, wiley, 2010 ta418. Contributed by the applied mechanics division of the american society of mechanical engineers for publication in the asme journal of applied. Continuum mechanics of twophase porous media click to add title. From now on, we also assume that the structure of the hyperstress tensors. The concept of a porous medium originally emerged in soil mechanics, and in particular in the. Everyday low prices and free delivery on eligible orders. The second part of this paper covers the subject of partially saturated porous continua. The mechanics of porous media is nowadays relevant in. A general framework for the modeling of porous ferrogels at.
Pdf due to the impact oil productivity and oil in place estimates, reliable. Aug, 2019 coussy developed a consistent thermodynamics theory of poromechanics, by considering porous continua, at the macroscopic scale of engineering applications, as open thermodynamic systems in which the addition of one or several fluid phases changes the energy and entropy balance of the solid system. This is a graduate level course in fluid flow and transport processes in porous media. The theoretical formulation is derived within the framework of the theory of porous media coussy 2005. Olivier coussys research works sapienza university of rome. The elastoplastic constitutive equations of porous medium are deduced by the standard derivation of the free energy function. Coussy uses the language of thermodynamics to frame the discussion of this topic and bridge the gap between physicists and engineers, and organises the material in. Knowles, linear vector spaces and cartesian tensors, oxford university press, new york, 1997. Larsson, continuum mechanics of twophase porous media, lecture notes 2006.
Modelling and predicting how porous media deform when subjected toexternal actions and physical phenomena, including the effect ofsaturating fluids, are of. Partially saturated porous media reactive porous media macroscopic electrical effects a single theoretical framework to the subject to explain the interdisciplinary nature of the subject. Departing from the balance laws of continuum mechanics, we derive a thermodynamically consistent model based on biots consolidation theory. Olivier coussy, the prominent scientist and engineer who developed the fundamentals of poromechanics theory that were transformational in many. All this led the way for poromechanics to open up a whole new field of applications in chemomechanics and durability mechanics problems of materials and structures. Consider an infinitesimal representative element extracted from such a porous continuum. Continuum mechanics of twophase porous media chalmers. Under externally applied magnetic fields, the magnetoactive porous solid can undergo large deformations in the elastic regime, triggering diffusive flow in the. Baroghelbouny, the equivalent pore pressure and the. Mechanics and physics of porous solids by olivier coussy click here to download read online mechanics and physics of porous solids. Let grammy awardwinning narrators transform your commute. Usually both solid matrix and the pore network also known as the pore space are. Jun 15, 2010 mechanics and physics of porous solids addresses the mechanics and physics of deformable porous materials whose porous space is filled by one or several fluid mixtures interacting with the solid matrix.
He is credited for discovering the nanogranular structure of calcium. Sun, datadriven discrete continuum method for partially saturated micropolar porous media, 6th biot conference on poromechanics a tribute to olivier coussy, paris, france, 2017. This model initially neglected the porosity change e. Olivier coussy is the author of mechanics of porous continua 4. Olivier coussys research works sapienza university of. Continuum mechanics of twophase porous media click to. Mechanics of porous continua is relevant to many fields and engineering applications of major economic importance. A porous medium or a porous material is a solid often called matrix permeated by an interconnected network of pores voids filled with a fluid liquid or gas. Iutam symposium on theoretical and numerical methods in continuum mechanics of porous materials. Non linear thermomechanical couplings in unsaturated clay. This book sets the main concepts and results of deformable porous media subject to the flow of one or several fluids.
Rayleigh waves in porous media saturated with liquid a. We study the various conceptual and mathematical models to describe and investigate porous media, together with relevant single and multiphase transport phenomena. The role of porosity in linear poroelasticity is highlighted, and it is shown that porosity is one of. Publications sun research group at columbia university. Sep 14, 2019 pdf on mar 17, nathan benkemoun and others published technical report. Poroelastic analysis of partial freezing in cohesive porous. Coussy, 9780471952671, available at book depository with free delivery worldwide. Olivier coussy mechanics and physics of porous solids. Guermond 187 mechanics of liquefaction in saturated granular soils a. The constitutive equations of finite strain poroelasticity in the light of. Dec 09, 2003 modelling and predicting how porous media deform when subjected to external actions and physical phenomena, including the effect of saturating fluids, are of importance to the understanding of geophysics and civil engineering including soil and rock mechanics and petroleum engineering, as well as in newer areas such as biomechanics and agricultural engineering.
Materials, the iutam symposium on theoretical and numerical methods in continuum mechanics of porous materials. Poroelasticity solid mechanics at harvard university. Coussy developed a consistent thermodynamics theory of. Kuchugurina 179 geometry effects on sound in porous media a. Based upon the theory of unsaturated thermoporoelasticity proposed by coussy 7, a three phase finiteelement model, consisting of solid particle s, liquid water l and crystal ice c, is present for the description of the freezing porous material. Poromechanics is a branch of physics and specifically continuum mechanics and acoustics that studies the behaviour of fluidsaturated porous media. Olivier coussy s 84 research works with 4,064 citations and 7,403 reads, including. Solutions for the inclined borehole in a porothermoelastic. Download product flyer is to download pdf in new tab. Coussy uses the language of thermodynamics t coussy developed a consistent thermodynamics theory of poromechanics, by considering porous continua, at the macroscopic scale of engineering applications, as open thermodynamic systems in which the addition of one or several fluid phases changes the energy and entropy balance of the solid system. Sep 04, 2019 pdf on mar 17, nathan benkemoun and others published technical report. Mechanics of porous continua, wiley, chichester 1995.
Non linear poroelasticity for unsaturated porous materials. Pdf 2014 the wizard of oz special edition wall calendar. Elasticity of fluidinfiltrated porous solids poroelasticity. We refer to coussy 2004 for the complete form of the deformation power in the case of first gradient porous continua. Jul 31, 2019 pdf on mar 17, nathan benkemoun and others published technical report. One important application of the bet has been the water desorption and resorption in cement hydrates and concrete, which is here the main application in mind, although. Mechanics and physics of porous solids wiley online books. This approach proves to be able to quantitatively predict swelling even if the inpore liquid does not expand when solidifying. These studies 58, 12, applied this framework for capturing the concretecement evolution and chemical reactions were responsible for dissipation in the system. Olivier coussy memorial symposium at emi2010 a symposium in memory of pr. A single theoretical framework to the subject to explain the interdisciplinary nature of the subject. Quasistatic versus dynamic failure instabilities in fluid. Sawicki 193 poster session b fluid mechanics in minkowski space.
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