Poroelasticity

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This book addresses the mechanics of porous materials infiltrated with fluid, focusing on linear poromechanics, or poroelasticity. It examines various porous materials, from natural substances like sand and soil to biological tissues and synthetic materials, highlighting the common physical principles that govern their mechanical behaviors. This relevance extends beyond engineering to various scientific disciplines. Discussions include phenomena such as soil consolidation, land subsidence, slope stability, borehole failure, hydraulic fracturing, and interactions between water waves and seabeds, as well as earthquake aftershocks and fluid injection-induced seismicity. The biomechanics of cartilage, bone, and blood vessels are also explored. The chapters present theory through an intuitive, phenomenological lens at the bulk continuum level and a thermodynamics-based variational energy approach at the micromechanical level. The book covers a range of physical mechanisms, from quasi-static poroelasticity to poroelastodynamics, poroviscoelasticity, porothermoelasticity, and porochemoelasticity, with detailed derivations of closed-form analytical solutions. It serves as an excellent introduction to linear poroelasticity, particularly for professionals in civil engineering, petroleum and reservoir engineering, rock mechanics, hydrology, geophysics, and biomechanics.