Search Results - "Hanley, Kevin J."

Analytical study of the accuracy of discrete element simulations by J Hanley, Kevin, O'Sullivan, Catherine

“…Summary The numerical errors was used to verify the correctness of key results. The truncation errors, which are larger than the round‐off errors by orders of…”
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Structural degradation of sands during cyclic liquefaction: Insight from DEM simulations by Huang, Xin, Hanley, Kevin J., Zhang, Zixin, Kwok, Chung-yee

“…The macro stress–strain responses of sands are closely related to the evolution of the force transmission network. In this paper, variations of the mechanical…”
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Effect of sample size on the response of DEM samples with a realistic grading by Huang, Xin, Hanley, Kevin J., O'Sullivan, Catherine, Kwok, Fiona C.Y.

“…This paper shows that for DEM simulations of triaxial tests using samples with a grading that is repre- sentative of a real soil, the sample size significantly…”
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Amplification effect of cascading breach discharge of landslide dams by Zheng, Hongchao, Shi, Zhenming, Peng, Ming, Guan, Shenggong, Hanley, Kevin J., Feng, Shijin

“…Affected by earthquakes and heavy rainfall, multiple landslide dams often cluster closely together along river reaches or gullies. Compared with a single…”
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Linking the macro-scale response of granular materials during drained cyclic loading to the evolution of micro-structure, contact network and energy components by Sassel, Tara S., Patino-Ramirez, Fernando, Hanley, Kevin J., O’Sullivan, Catherine

“…This study has considered the behaviour of granular materials subjected to drained cyclic loading under constant mean effective stress. Using the discrete…”
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Effects of soil properties and geomorphic parameters on the breach mechanisms of landslide dams and prediction of peak discharge by Guan, Shenggong, Shi, Zhenming, Zheng, Hongchao, Shen, Danyi, Hanley, Kevin J., Yang, Jiangtao, Xia, Chengzhi

“…Breaching of a dam depends on the complex interaction between the dam and the backwater lake. Here, we conduct a series of experiments to investigate the…”
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Application of Taguchi methods to DEM calibration of bonded agglomerates by Hanley, Kevin J., O'Sullivan, Catherine, Oliveira, Jorge C., Cronin, Kevin, Byrne, Edmond P.

“…Discrete element modelling (DEM) is commonly used for particle-scale modelling of granular or particulate materials. Creation of a DEM model requires the…”
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Conceptualisation of an Efficient Particle-Based Simulation of a Twin-Screw Granulator by Morrissey, John P, Hanley, Kevin J, Ooi, Jin Y

“…Discrete Element Method (DEM) simulations have the potential to provide particle-scale understanding of twin-screw granulators. This is difficult to obtain…”
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Influence of packing density and stress on the dynamic response of granular materials by Otsubo, Masahide, O’Sullivan, Catherine, Hanley, Kevin J., Sim, Way Way

“…Laboratory geophysics tests including bender elements and acoustic emission measure the speed of propagation of stress or sound waves in granular materials to…”
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A methodical calibration procedure for discrete element models by Rackl, Michael, Hanley, Kevin J.

“…Researchers and engineers have widely adopted the discrete element method (DEM) for simulation of bulk materials. One important aspect in such simulations is…”
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Probabilistic analysis of particle impact at a pipe bend in pneumatic conveying by Hanley, Kevin J., Byrne, Edmond P., Cronin, Kevin

“…A macro-scale model of the breakage of particles at a 90° bend during dilute phase pneumatic transport is presented. Breakage results if the impact force…”
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Erosion Mechanisms of Debris Flow on the Sediment Bed by Zheng, Hongchao, Shi, Zhenming, Yu, Songbo, Fan, Xuanmei, Hanley, Kevin J., Feng, Shijin

“…Debris flows are common geological hazards in mountainous regions worldwide. The scale of debris flows can be significantly enhanced by basal erosion and bank…”
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Time reversibility of the discrete element method by Hanley, Kevin J.

“…Summary An algorithm is presented for discrete element method simulations of energy‐conserving systems of frictionless, spherical particles in a reversed‐time…”
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Critical time step for DEM simulations of dynamic systems using a Hertzian contact model by Burns, Shane J., Piiroinen, Petri T., Hanley, Kevin J.

“…Summary The discrete element method (DEM) typically uses an explicit numerical integration scheme to solve the equations of motion. However, like all explicit…”
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Contact detection between convex polyhedra and superquadrics in discrete element codes by Peng, Di, Hanley, Kevin J.

“…Particle shape substantially influences the bulk behaviour of granular systems. Hence, much scientific interest has been devoted to the adoption of…”
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Energy dissipation in soil samples during cyclic triaxial simulations by Keishing, Joel, Huang, Xin, Hanley, Kevin J.

“…Energy terms were computed in a set of undrained cyclic triaxial discrete-element method simulations which form a parametric study of five factors: void ratio,…”
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Exploring the influence of interparticle friction on critical state behaviour using DEM by Huang, Xin, Hanley, Kevin J., O'Sullivan, Catherine, Kwok, Chung Yee

“…SUMMARY Understanding the extent to which discrete element method (DEM) simulations can capture the critical state characteristics of granular materials is…”
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Discrete element modelling of the quasi-static uniaxial compression of individual infant formula agglomerates by Hanley, Kevin J., O'Sullivan, Catherine, Byrne, Edmond P., Cronin, Kevin

“…Infant formula is usually produced in an agglomerated powder form. These agglomerates are subjected to many transient forces following their manufacture. These…”
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On the morphology and pressure-filtration characteristics of filter cake formation: Insight from coupled CFD–DEM simulations by Yin, Tong, Zhang, Zixin, Huang, Xin, Shire, Thomas, Hanley, Kevin J.

“…•Different types of filter cakes were obtained using CFD-DEM coupled simulations.•Slurry infiltration was closely related to the dynamic change of pore…”
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Correlation of Volume Ratio and Normalized Permittivity in Particle Mixture by Huarui Wang, Yunjie Yang, Hanley, Kevin J., Ooi, Jin Y., Xipeng Yin, Jiabin Jia

“…The volume ratio in the total solid particle mixture is an important parameter indicating the characteristics of particulate mixtures. Therefore, a simple…”
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