Results 21 to 30 of about 103 (87)
International Journal for Numerical and Analytical Methods in Geomechanics, Volume 50, Issue 8, Page 3281-3296, 10 June 2026.ABSTRACT Saturated high plasticity clays show complex nonlinear, rate‐dependent, and hysteresis behaviors under non‐monotonic stress paths, requiring advanced mathematical constitutive equations for accurate description. Taking into account the inherent advantages of kinematic hardening mechanisms in simulating complex stress histories, this paper ...
Wei Cheng, Zhen‐Yu Yin
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Viscoplastic Modeling the Evolving Mechanical Properties of Shotcrete 3D Printing Material
Proceedings in Applied Mathematics and Mechanics, Volume 26, Issue 2, June 2026.ABSTRACT In recent years, additive manufacturing in construction (AMC) has gradually influenced the building industry by offering a faster and more efficient way to build with concrete. Unlike traditional methods that rely on molds, AMC deposits material layer by layer through an automated process, enabling new possibilities for custom designs and ...
Quoc Tuan La +3 more
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Modelo constitutivo variacional de viscoplasticidade em regime de grandes deformações para um problema adiabático termomecanicamente acoplado [PDF]
, 2012 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Mecânica, Florianópolis, 2009A separação total dos efeitos térmicos e mecânicos é razoável para a maioria das aplicações em ...
Selke, Augusto Emmel
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Journal of Geophysical Research: Solid Earth, Volume 131, Issue 5, May 2026.Abstract Melt migration in partially molten rocks is commonly described by porous flow models controlled by the hydro‐mechanical compaction length, which effectively explains melt extraction at mid‐ocean ridges. However, this framework cannot account for the paradoxical accumulation of small melt fractions into rhythmic leucosome–melanosome bands in ...
Qingpei Sun +3 more
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Lower bound for LCF lifetime and its application to safe design of elastic viscoplastic structures
, 2006 The theory of shakedown is applied to obtain an upper estimation of LCF lifetime of structures. A model of elastic viscoplastic material similar to the Perzyna one with isotropic strain hardening and isotropic damage is adopted. Assumptions: viscoplastic
Druyanov, B., Roman, I.
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Modelling the time dependent behaviour of anisotropic soft clay using non-stationary flow surface theory [PDF]
, 2021 Prediction of the long-term deformation of a soft clay under different loading conditions has been a challenging task for geotechnical engineering since the time dependency of soft clay is a complex matter.
Nguyen, Dinh Hung
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A Thermodynamic Framework for Turing‐Type Instabilities in Porous Media: Part I Theory
Geochemistry, Geophysics, Geosystems, Volume 27, Issue 3, March 2026.Abstract Pattern formation in geological materials is commonly described using analogies to Turing‐type reaction–diffusion systems, yet a unifying thermodynamic explanation remains elusive. Here we develop a multiscale, thermodynamically consistent framework for pattern‐forming instabilities in porous media undergoing coupled thermo–hydro–mechanical ...
Klaus Regenauer‐Lieb +5 more
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, 2003 The purpose of this paper is to apply a finite deformation, elastic/viscoplastic approach to predict curing stresses in three light-cured dental composites, using Perzyna\u27s theory.
Laughlin, Gayle A. +2 more
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Geofluids, Volume 2026, Issue 1, 2026.Under high‐level stress, the internal damage of rock accumulates over time, leading to significant nonlinearity in creep. However, traditional linear element combination models struggle to describe the creep behavior of rock in the accelerated creep stage. The creep mechanism is analyzed from the perspective of internal energy, and a new creep model is
Xiaolong Zhang +4 more
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Non-Associated Flow Rule-Based Elasto-Viscoplastic Model for Clay
, 2020 We develop a non-associated flow rule (NAFR)-based elasto-viscoplastic (EVP) model for isotropic clays. For the model formulation, we introduce the critical state soil mechanics theory (CSSMT), the bounding surface theory and Perzyna’s overstress ...
Carthigesu Gnanendran, Mohammad Islam
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