Hyper-elastoplastic/damage modeling of rock with application to porous limestone

Hyper-elastoplastic/damage modeling of rock with application to porous limestone •Volume and shear damage measures have been incorporated into a hyper-elastoplastic framework to model inelastic rock deformation. •A novel feature of the formulation is a thermodynamically consistent finite deformation framework that makes connections between inelastic volume change and damage. •A unique feature of the formulation is the ability of the model to capture hardening/softening responses entirely through damage and damage-effective stresses, and not from the more commonly employed phenomenological approach. •The model was used to simulate the inelastic deformation response of limestone subjected to a variety of stress paths. •Stress-point and boundary-value problem simulations were conducted to test the robustness of the formulation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Solids and Structures Elsevier

Hyper-elastoplastic/damage modeling of rock with application to porous limestone

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0020-7683
eISSN
1879-2146
D.O.I.
10.1016/j.ijsolstr.2018.03.011
Publisher site
See Article on Publisher Site

Abstract

•Volume and shear damage measures have been incorporated into a hyper-elastoplastic framework to model inelastic rock deformation. •A novel feature of the formulation is a thermodynamically consistent finite deformation framework that makes connections between inelastic volume change and damage. •A unique feature of the formulation is the ability of the model to capture hardening/softening responses entirely through damage and damage-effective stresses, and not from the more commonly employed phenomenological approach. •The model was used to simulate the inelastic deformation response of limestone subjected to a variety of stress paths. •Stress-point and boundary-value problem simulations were conducted to test the robustness of the formulation.

Journal

International Journal of Solids and StructuresElsevier

Published: Jun 15, 2018

References

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