Table 1.
Parameters in Biot’s model.
Parameter | Unit | Definition | Note | |
---|---|---|---|---|
a | m | Pore size diameter | ||
B a | Pa | (Air) | Bulk modulus | |
B f | Pa | (Fluid) |
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|
B g | Pa | (Grain) | ||
B sk | Pa | (Skeleton) |
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|
B w | Pa | (Water) | ||
E | Pa | Young’s modulus | ||
f | s− 1 | Resonant frequency | ||
g | m/s2 | Gravitational acceleration | ||
G sk | Pa | Shear modulus |
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|
k | m/s | Permeability | ||
K | m2 | Absolute hydraulic conductivity |
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|
n | – | Porosity | ||
S | – | Degree of saturation | ||
T | – | Visco-dynamic operator |
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|
α | – | Tortuosity |
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|
ρ g | kg/m3 | (Grain) | Mass density | |
ρ w | kg/m3 | (Water) | ||
ρ f | kg/m3 | (Fluid) |
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|
ρ mix | kg/m3 | (Mixture) |
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|
η | Pa·s | Dynamic viscosity | ||
ζ | – | Dimensionless factor |
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|
ν | – | Poisson’s ratio | ||
ω | s− 1 | Angular frequency |
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