Article-Journal

Modeling root system growth around obstacles
State-of-the-Art models of Root System Architecture (RSA) do not allow simulating root growth around rigid obstacles. Yet, the presence …
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A density dependent Drucker-Prager/Cap model for ring shear simulation of ground loblolly pine
Integrated biorefineries suffer from equipment down-time due to poor understanding of the flowability of biomass-derived feedstock. …
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A Review of Computational Models for the Flow of Milled Biomass Part I: Discrete-Particle Models
Biomass is a renewable and sustainable energy resource. Current design of biomass handling and feeding equipment leverage both …
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A Review of Computational Models for the Flow of Milled Biomass Part II: Continuum-Mechanics Models
The design of efficient material-handling systems for milled lignocellulosic biomass is challenging due to their complex particle …
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Fluid-driven transition from damage to fracture in anisotropic porous media: a multi-scale XFEM approach
In this paper, a numerical method is proposed to simulate multi-scale fracture propagation driven by fluid injection in transversely …
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XFEM to couple nonlocal micromechanics damage with discrete mode I cohesive fracture
A computational tool is developed to simulate the propagation of a discrete fracture within a continuum damage process zone. Microcrack …
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Anisotropic nonlocal damage model for materials with intrinsic transverse isotropy
This paper presents the theoretical formulation and numerical implementation of an anisotropic damage model for materials with …
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Micromechanics based discrete damage model with multiple non-smooth yield surfaces: Theoretical formulation, numerical implementation and engineering applications
The discrete damage model presented in this paper accounts for 42 non-interacting crack microplanes directions. At the scale of the …
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Nonlocal enrichment of a micromechanical damage model with tensile softening: Advantages and limitations
Upon crack propagation, brittle geomaterials such as concrete and rock exhibit a nonlinear stress/strain behavior, damage induced …
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Discrete equivalent wing crack based damage model for brittle solids
The Discrete Equivalent Wing Crack Damage (DEWCD) model formulated in this paper couples micro-mechanics and Continuum Damage Mechanics …
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