Sentence examples for mean effective stress from inspiring English sources

Expansion curves define the increment in permeability with increasing mean effective stress, and compression curves define reduction in permeability with increasing mean effective stress in the reservoir zone.

Soft rock type means that the formation is highly stress sensitive and permeability variations will be significant based on the mean effective stress in each reservoir zone.

The widely used mean effective stress parameter is modified to include the influence of cementation on the strength and the plastic deformation of cemented clay.

The results show that the elastic shear modulus value is mainly dependent on the value of the mean effective stress and relative density.

Curves showing decay of the pore fluid pressure with time, the corresponding change in mean effective stress and the variation of displacement, are plotted in non-dimensional form.

The coefficient for the permeability modification of the rock is assumed to be a function of the mean effective stress via a hyperbolic tangent function.

The viscoelastic effect is considered through both deviatoric and mean effective stresses to allow for the effect of shear strain localization.

This extension uses stress-dependent Lamé parameters instead of fixed values: a mean effective stress-dependent compressibility modulus C and a shear stress-dependent inverted shear modulus, D τ2)=1/G(τ2).

Test results showed that, as the mean effective confining stress increased permeability decreased due to closure of cleats.

The first version is based on a mean effective yield stress of the matrix and involves a fitting parameter to properly take into account material strain hardening.

A cluster of three neighboring grains are identified that highlight the variation of mean and effective stress between grains.