Material property of a solid body measuring as proportionality coefficient between tensile stress \sigma (force per unit area) and axial strain \epsilon(proportional deformation) in the linear elastic region of a material:
(1) | E = \frac{\sigma}{\epsilon} |
Young modulus depends on porosity as:
Young modulus – Porosity @model
(2) | E = E_0 \cdot \left( 1- \frac{\phi}{\phi_c} \right)^f |
where
E_0 | Young modulus of solid material | |
\phi | porosity | usually \phi \in 0 \div 0.4 |
\phi_c | critical porosity | usually \phi_c \approx 1 |
f | characteristic exponent | usually f \in 1.1 \div 1.7 |
See Also
Physics / Mechanics / Continuum mechanics
[Compressibility][ initial pore compressibility ][ Poisson's ratio (ν) ]
[ Geomechanical Rock Modelling ][ Young modulus – Porosity @model ]