Pore structure model for elastic wave velocities in fluid‐saturated sandstones

EC David, RW Zimmerman - Journal of Geophysical Research …, 2012 - Wiley Online Library
During hydrostatic compression conducted within the elastic regime, P and S‐wave
velocities measured on porous rock samples generally increase with pressure and reach …

The effect of pore shape on the Poisson ratio of porous materials

MP Lutz, RW Zimmerman - Mathematics and Mechanics of …, 2021 - journals.sagepub.com
A brief review is given of the effect of porosity on the Poisson ratio of a porous material. In
contrast to elastic moduli such as K, G, or E, which always decrease with the addition of …

On some controversial issues in effective field approaches to the problem of the overall elastic properties

I Sevostianov, M Kachanov - Mechanics of Materials, 2014 - Elsevier
Several versions of the effective field method of finding the overall elastic properties of matrix
composites are examined and compared. We focus on difficulties and uncertainties …

Comparison of full field and single pore approaches to homogenization of linearly elastic materials with pores of regular and irregular shapes

B Drach, I Tsukrov, A Trofimov - International Journal of Solids and …, 2016 - Elsevier
Two approaches to predict the overall elastic properties of solids with regularly and
irregularly shaped pores are compared. The first approach involves direct finite element …

[HTML][HTML] Effective elastic properties of composites with particles of polyhedral shapes

A Trofimov, B Drach, I Sevostianov - International Journal of Solids and …, 2017 - Elsevier
Contributions of 15 convex polyhedral particle shapes to the overall elastic properties of
particle-reinforced composites are predicted using micromechanical homogenization and …

[HTML][HTML] Numerical modeling of carbon/carbon composites with nanotextured matrix and 3D pores of irregular shapes

B Drach, I Tsukrov, T Gross, S Dietrich… - International Journal of …, 2011 - Elsevier
A multiscale modeling approach is utilized to evaluate the contribution of irregularly shaped
three-dimensional pores to the overall elastic properties of carbon/carbon composites. The …

Analytical solutions for rock stress around square tunnels using complex variable theory

G Zhao, S Yang - International Journal of Rock Mechanics and Mining …, 2015 - Elsevier
The complex variable theory is employed to find the analytical solution for rock stress around
square tunnels in a homogeneous, isotropic and elastic rock mass. The solution is more …

Analytical solution for stress distribution around deep lined pressure tunnels under the water table

X Dong, A Karrech, C Qi, M Elchalakani… - International Journal of …, 2019 - Elsevier
Existing models on the stress distribution around deep buried tunnels pay little attention to
the impact of rock-liner interaction and seepage variation. The conventional solution for …

Analytical solution of energy redistribution in rectangular openings upon in-situ rock mass alteration

X Dong, A Karrech, H Basarir, M Elchalakani… - International Journal of …, 2018 - Elsevier
This paper aims at deriving analytical expressions of mining-induced energy redistribution
around rectangular openings that involve local alteration of rock mass properties. As energy …

A unified methodology for calculation of compliance and stiffness contribution tensors of inhomogeneities of arbitrary 2D and 3D shapes embedded in isotropic matrix …

A Markov, A Trofimov, I Sevostianov - International Journal of Engineering …, 2020 - Elsevier
Property contribution tensors constitute basic building blocks for evaluation of effective
properties of heterogeneous materials. Most of the existing results, however, are obtained …