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October 12, 2025Geoscientific model development0 citationsOpen Access

Dilatant Visco-Elasto-Viscoplasticity Model for Geoscientific Applications

A dilatant visco-elasto-viscoplasticity model with globally continuous tensile cap: stable two-field mixed formulation

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Authors

APAnton PopovNBNicolas BerlieBKBoris Kaus

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Overview

This model integrates shear failure and tensile cap mechanics, highlighting effective stress changes in rocks.

Key Points

  • This model ensures stability in simulating shear and tensile failure modes in rocks under varying conditions.
  • Key features include a linearized Drucker-Prager envelope and a tensile cap for smooth yield surface continuity.
  • The two-field finite element formulation effectively handles near incompressibility and fluid-induced deformation.
  • Successful test case outcomes indicate robust convergence and reliability in complex geomechanical simulations.

Cite This Study

Popov et al. (2025) studied this question.

synapsesocial.com/papers/68ebabe3155248a327effba3https://doi.org/10.5194/gmd-18-7035-2025
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