Rock Mechanics and Rock Engineering | 2019
Thermal Pressurization Coefficient of Anisotropic Elastic Porous Media
Abstract
C Compliance matrix ε Strain tensor σ Total stress tensor σm Mean stress s m Mean stress excreting on the solid constituent εv Volumetric strains of the porous medium s v Volumetric strains of the solid constituents p Pore pressure T Temperature α Tensor of the linear thermal expansion coefficients of the porous medium α Linear thermal expansion coefficient of the porous medium α Linear thermal expansion coefficient of the solid phase αl Linear thermal expansion coefficient of the fluid φ Porosity E Young’s modulus of the porous medium Es Young’s modulus of the solid constituent ν Poisson ratio of the porous medium νs Poisson ratio of the solid constituent G Shear modulus of the porous medium K Bulk modulus of the porous medium Ks Bulk modulus of the solid constituent Kw Bulk modulus of the fluid B Biot’s coefficient tensor b Biot’s coefficient ρl Fluid density ml Mass of fluid in porous material δ Identify tensor (3 × 3) I Identity vector (6 × 1)