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DEM simulations of agglomerates impact breakage using Timoshenko beam bond model
Attrition and breakage of agglomerates are prevalent during production and handling processes in many industries. Therefore, it is highly desirable...
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Hardness and fracture toughness models by symbolic regression
Superhard materials with good fracture toughness have found wide industrial applications, which necessitates the development of accurate hardness and...
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Peridynamic formulation of the mean stress and incubation time fracture criteria and its correspondence to the classical Griffith’s approach
Peridynamic formulations of the mean stress and incubation time fracture models are discussed in the paper. Contemporary fracture simulations using...
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PREDICTION OF DURABILITY OF A FIBER BUNDLE UNDER UNIAXIAL TENSION ON THE BASIS OF THE THERMAL-FLUCTUATION MODEL OF ITS BRITTLE FRACTURE
AbstractA model is proposed for assessing the durability of a bundle of identical fibers under brittle fracture in a tensile stress region located to...
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Numerical investigation of crack propagation regimes in snow fracture experiments
A snow slab avalanche releases after failure initiation and crack propagation in a highly porous weak snow layer buried below a cohesive slab. While...
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Atomistic insights into the fracture mechanisms of Stone–Wales-defected CNTs under transversely isotropic loading
The fracture mechanics and transversely isotropic elastic characteristics of carbon nanotubes (CNTs) incorporating the Stone–Wales (SW) defect were...
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Fracture Toughness Characterization of TBCs
Fracture is an issue worthy of attention during the design and use of all engineering materials. Based on the test results for different materials,...
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The influence of lead on mechanical properties of BCC and FCC iron from a constructed bond-order potential
To design and apply liquid Pb as coolant in nuclear reactors, it is important to understand its atomic behaviors with the steel container through...
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Effect of Adding Graphene Oxide Nanoplatelets on the Araldite Adhesive Fracture Strength under Mixed-Mode I/II Loading
AbstractIn the present paper, the effect of adding graphene on the fracture strength of the Araldite adhesive was studied. Experimental specimens...
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Special Fatigue Fracture Behavior of Nanocrystalline Metals under Hydrogen Conditions
AbstractIn view of the effect of hydrogen on the mechanical behavior of nanocrystal materials, a hydrogen embrittlement model is proposed based on...
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Effect of re-depositions and fiber exposure on the adhesive bond strength of CFRP after UV excimer laser treatment
Adhesive bonding of CFRP is one major approach to join this class of compound materials with other components, e.g., metals. The necessity to clean...
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Influence of cracks on fracture strength and electric power losses in Silicon solar cells at high temperatures: deep machine learning and molecular dynamics approach
Significant electric power losses in the presence of micro-cracks in Silicon-based photovoltaic solar cells have been reported in the literature. In...
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A comparative assessment and unification of bond models in DEM simulations
Bonded contact models have been increasingly used in the discrete element method (DEM) to study cemented and sintered particulate materials in recent...
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Fracture strength and fracture toughness of graphene: MD simulations
An attempt is made here to address the fundamental issues on the validity of Griffith’s theory to estimate the fracture strength at nano-scales and...
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Multi-scale simulation of anisotropic fracture behavior in BaZrO3
This paper presents a multi-scale numerical method to study the electrolyte material BaZrO 3 (BZO) and gives numerical implementations and results. At...
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DEM model acquisition of the corn ear with bonded particle model and its simulated parameters calibration
The corn variety “Zhenghong 507”, which is widely cultivated in hilly and mountainous areas of Southwest China, was assigned as the research object....
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Bond and fracture model in dilated polyhedral DEM and its application to simulate breakage of brittle materials
A bond and fracture model is developed to simulate the fracture and fragmentation with an explicit algorithm in the dilated polyhedral discrete...
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Evolution of Residual Stresses and Fracture in Thermomechanically Loaded Particle-Reinforced Metal Matrix Composites
AbstractThis work studies the formation and evolution of residual stresses in metal matrix composites with different volume fractions and sizes of...
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A temperature/strain-rate-dependent finite deformation constitutive and failure model for solid propellants
The stress-strain response under progressive damage and the ultimate failure of solid propellants are two key issues affecting the integrity of solid...
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A viscoelastic bonded particle model to predict rheology and mechanical properties of hydrogel spheres
AbstractThe use of hydrogels has exponentially increased in recent years in many fields, such as biology, medicine, pharmaceuticals, agriculture, and...
