From: Scalable block preconditioners for saturated thermo-hydro-mechanics problems
Symbol | Definition | Unit |
---|---|---|
\(\underline{\underline{\underline{\underline{A}}}}\) | Forth order Hooke’s tensor | \(\text {Pa}\) |
\(\underline{\underline{\varepsilon }}\) | Strain tensor | – |
E | Young’s modulus | \(\text {Pa}\) |
\(\nu \) | Poisson’s ratio | – |
\(K_0\) | Drained bulk modulus of the continuum | \(\text {Pa}\) |
\(K_l\) | Bulk modulus of the fluid | \(\text {Pa}\) |
\(K_s\) | Bulk modulus of the solid matrix | \(\text {Pa}\) |
\(K_{int}\) | Intrinsic permeability | \(\text {m}^2\) |
\(\varphi \) | Porosity | – |
\(\mu _l\) | Fluid dynamic viscosity | \(\text {Pa} \, \text {s}\) |
\(h_f\) | Specific enthalpy of the fluid | \(\text {J} \, \text {kg}^{-1}\) |
\(h_{f0}\) | Initial specific enthalpy of the fluid | \(\text {J} \, \text {kg}^{-1}\) |
\(p_{atm}\) | Atmospheric pressure | \(\text {Pa}\) |
\(C_s\) | Specific heat of the solid | \(\text {J} \, \text {kg}^{-1} \, \text {K}^{-1}\) |
\(C_f\) | Specific heat of the fluid | \(\text {J} \, \text {kg}^{-1} \, \text {K}^{-1}\) |
\(C^p_f\) | Specific heat of the fluid with constant pressure | \(\text {J} \, \text {kg}^{-1} \, \text {K}^{-1}\) |
\(C^0_\epsilon \) | Specific heat of the medium to constant deformation | \(\text {J} \, \text {K}^{-1} \, \text {m}^{-3}\) |
\(C^0_\sigma \) | Specific heat of the medium to constant constraint | \(\text {J} \, \text {K}^{-1} \, \text {m}^{-3}\) |
\(\rho _s\) | Solid density | \(\text {kg} \, \text {m}^{-3}\) |
\(\rho _f\) | Fluid density | \(\text {kg} \, \text {m}^{-3}\) |
\(\rho _m\) | Medium density | \(\text {kg} \, \text {m}^{-3}\) |
\(\lambda _H\) | Hydraulic conductivity | \(\text {Pa}^{-1} \text {m}^{2}\, \text {s}^{-1}\) |
\(\lambda _T\) | Thermal conductivity | \(\text {W} \, \text {m}^{-1} \text {K}\) |
\(T_0\) | Temperature of reference | \(\text {K}\) |
\(\alpha _s\) | Dilation coefficient of the solid | \(\text {K}^{-1}\) |
\(\alpha _l\) | Dilation coefficient of the fluid | \(\text {K}^{-1}\) |
\(\alpha _m\) | Homogenized dilation coefficient of the medium | \(\text {K}^{-1}\) |