Tag Archives: publications

Paper online (Fusion Eng. Design) on thermal DEM

Moscardini, M., Gan, Y., Pupeschi, S., Kamlah, M. (2018) Discrete element method for effective thermal conductivity of packed pebbles accounting for the Smoluchowski effect. Fusion Engineering and Design. 127: 192-201. [DOI][PDF:050_FED_2018] Highlights • A thermal DEM code is proposed for the evaluation of the effective thermal conductivity of ceramic breeder pebble beds. • The Smoluchowski effect […]

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Conference papers on iCGMGE

The following conference papers have been presented by the research students at 1st International Conference on Geomechanics and Geoenvironmental Engineering (iCGMGE), 20-22 November, 2017, Sydney. [1] Yanyao Bao, Ling Li, Luming Shen, and Yixiang Gan, Smoothed Particle Hydrodynamics Simulations for Hysteretic Behaviours of Capillary Interactions. Proceedings of the 1st International Conference on Geomechanics and Geoenvironmental Engineering (iCGMGE), […]

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Paper online (Int J Mech Sci) on contact mechancis

Zhai, C., Hanaor, Gan, Y. (2017) Contact stiffness of multiscale surfaces by truncation analysis. International Journal of Mechanical Sciences. 131–132: 305–316. [DOI][PDF:048_IJMS_2017] Abstract: In this paper, we study the contact stiffness of a fractal rough surface compressed by a rigid flat plane. A numerical model based on the analysis of flat punch indentation is proposed for simulated hierarchical surfaces, […]

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Paper accepted (Powder Tech.) on packing structures

Title: X-ray tomography investigations of mono-sized sphere packing structures in cylindrical containers Author(s): Joerg Reimann, Jerome Vicente, Emmanuel Brun, Claudio Ferrero, Yixiang Gan, Alexander Rack Powder Technology, in press. [DOI] Abstract: The structure of mono-sized sphere packings (diameter d) in cylindrical containers (diameter D and height H) both with and without inner cylinders (diameter Di) […]

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Paper accepted (Fusion Eng. Des.) on effective thermal conductivity

Title: Influence of gas pressure on the effective thermal conductivity of ceramic breeder pebble beds Author(s): Weijing Dai, Simone Pupeschi, Dorian Hanaor, Yixiang Gan Fusion Engineering and Design, in press. [DOI][PDF:045_FED_2017] Figure: Gas pressure related size dependency of the contact units. Abstract: Lithium ceramics have been considered as tritium breeder materials in many proposed designs […]

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Paper accepted (PLOS ONE) on RC networks

Title: Universality of the Emergent Scaling in Finite Random Binary Percolation Networks Author(s): Chongpu Zhai, Dorian Hanaor, Yixiang Gan PLOS ONE, in press. [DOI:10.1371/journal.pone.0172298] Figure: (Left) A lattice network containing randomly distributed resistors and capacitors; (Right) Normalised admittance module as a function of frequency. Full paper can be downloaded via Publications page.

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Paper online, TAML

Liu, M., Jin, P., Xu, Z., Hanaor, D.A.H., Gan, Y., Chen, C.Q. (2016)  Two-dimensional modeling of the self-limiting oxidation in silicon and tungsten nanowires. Theoretical and Applied Mechanics Letters. in press. [DOI] Abstract: Self-limiting oxidation of nanowires has been previously described as a reaction- or diffusion-controlled process. In this letter, the concept of finite reactive region […]

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Accepted manuscripts

Last week, two manuscripts have been accepted by International Journal of Mechanics and Materials in Design and Theoretical and Applied Mechanics Letters, respectively. [1] Flores-Johnson, E.A., Wang, S., Maggi, F., El Zein, A., Gan, Y., Nguyen, G.D., Shen, L. (2016) Discrete element simulation of dynamic behaviour of partially saturated sand. International Journal of Mechanics and Materials in […]

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Paper online, Int J. Engineering Science

Mingchao’s recent paper on pore-load modulus of coated porous media is now online. Liu, M., Zhang, Y., Wu, J., Gan, Y., Chen, C.Q. (2016) Analytical solutions for elastic response of coated mesoporous materials to pore pressure. International Journal of Engineering Science. 107:68-76. [DOI][PDF: 037_IJES_2016] Abstract Pore fluid adsorption-induced deformation of mesoporous materials is an important […]

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ACCM2015 conference papers online

In the Proceedings of ACCM2015: [1] Kazzaz, A., Einav, I., Proust, G., Gan, Y. (2016). Effect of ground mineralogy on energy pile performance in dense sand. The 2nd Australasian Conference on Computational Mechanics (ACCM 2015), Switzerland: Scientific.Net. [PDF: AMM.846.325] [2] Dai, W., Gan, Y., Hanaor, D. (2016). Effective thermal conductivity of submicron powders: A numerical study. […]

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Papers accepted (EML, AIP advances, and NME)

[1] Chongpu Zhai, Dorian Hanaor, Gwénaëlle Proust, Laurence Brassart, Yixiang Gan (2016). Interfacial electro-mechanical behaviour at rough surfaces. Extreme Mechanics Letters. in press. DOI [2] Mingchao Liu, Jian Wu, Yixiang Gan, C.Q. Chen (2016). The pore-load modulus of ordered nanoporous materials with surface effects.  AIP Advances. in press. [3] Raghuram Karthik Desu, Yixiang Gan, Marc Kamlah, Ratna Kumar Annabattula (2016). […]

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Paper online: 3D Printable Geomaterials (Géotechnique)

D. HANAOR, Y. GAN, M. REVAY, D. AIREY and I. EINAV. 3D Printable Geomaterials. Géotechnique, in press. DOI: http://dx.doi.org/10.1680/jgeot.15.P.034 Abstract: One of the many attributes of three-dimensional (3D) printing is the ability to produce particles with independent control of morphology and material properties, parameters that are inexorably entwined in naturally occurring geomaterials. In this paper the 3D printing of […]

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Paper online: An improved semi-analytical solution for stress at round-tip notches (Engineering Fracture Mechanics)

Liu, M., Gan, Y., Hanaor, D., Liu, B., and Chen, C. (2015) An improved semi-analytical solution for stress at round-tip notches. Engineering Fracture Mechanics, 149, 134-142. [DOI] Abstract: In order to investigate the brittle failure of key-hole-notched components, the stress distribution at notch tips is studied numerically and theoretically. A semi-analytical formula is developed for the maximum notch-tip-stress, incorporating crack-tip-blunting, […]

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Paper online: The Role of Surface Structure in Normal Contact Stiffness (Experimental Mechanics)

C. Zhai , Y. Gan, D. Hanaor, G. Proust, D. Retraint. The Role of Surface Structure in Normal Contact Stiffness. Experimental Mechanics. In press. [DOI:10.1007/s11340-015-0107-0] Link: http://link.springer.com/article/10.1007/s11340-015-0107-0/fulltext.html Abstract: The effects of roughness and fractality on the normal contact stiffness of rough surfaces were investigated by considering samples of isotropically roughened aluminium. Surface features of samples were […]

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Manuscripts accepted

Three manuscripts have been accept by Géotechnique, Engineering Fracture Mechanics, Experimental Mechanics, respectively. (1) Dorian Hanaor, Yixiang Gan, Max Revay, David Airey, Itai Einav (2015). 3D Printable Geomaterials. Géotechnique (in press). (2) Mingchao Liu, Yixiang Gan, Dorian Hanaor, Bin Liu, Changqing Chen (2015). An improved semi-analytical solution for stress at round-tip notches. Engineering Fracture Mechanics (in press). (3) Chongpu Zhai, Yixiang Gan, Dorian […]

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Paper online on Static friction at fractal interfaces (Tribology International)

Dorian Hanaor, Yixiang Gan, and Itai Einav. “Static friction at fractal interfaces.” Tribology International (in press). DOI: http://dx.doi.org/10.1016/j.triboint.2015.09.016 Abstract: Tribological phenomena are governed by combined effects of material properties, topology and surface-chemistry. We study the interplay of multiscale surface structures with molecular-scale interactions towards interpreting static frictional interactions at fractal interfaces. By spline-assisted-discretization we analyse asperity interactions […]

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Paper accepted (J Engineering Mechanics) on electrical contact resistance

Title: Stress-Dependent Electrical Contact Resistance at Fractal Rough Surfaces Author(s): Chongpu Zhai , Dorian Hanaor , Gwénaëlle Proust , Yixiang Gan Journal of Engineering Mechanics (ASCE), in press. [DOI:10.1061/(ASCE)EM.1943-7889.0000967] Figure: Stress-dependent Electrical Contact Resistance (ECR) of different surfaces under various loading levels.

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Paper accepted (IJSS) on contact mechanics of rough surfaces

Title: “Contact mechanics of fractal surfaces by spline assisted discretization.” Author(s): Hanaor, Dorian; Gan, Yixiang; Einav, Itai. International Journal of Solids and Structures (in press). [DOI: 10.1016/j.ijsolstr.2015.01.021] Figure: Contact mechanics of self-affine surfaces.

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Paper accepted (Langmuir) on scalable surface area characterisation

Title: “Scalable surface area characterisation by electrokinetic analysis of complex anion adsorption” [DOI: 10.1021/la503581e]  Author(s): Hanaor, Dorian; Ghadiri, Maliheh; Chrzanowski, Wojciech; Gan, Yixiang Figure 1. SEM micrographs of Al2O3 powders used in the present study.

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Article online, Journal of Nuclear Mateirals

Dorian Hanaor, Matthias Kolb, Yixiang Gan, Marc Kamlah, Regina Knitter (2014). Solution based synthesis of mixed-phase materials in the Li2TiO3 -Li4SiO4 system. Journal of Nuclear Materials (in press). DOI: 10.1016/j.jnucmat.2014.09.028 Figure: XRD pattern for hydroxide-route-synthesised material of L3TS composition subsequent to drying at 180°C. (b) Temperature varied XRD for hydroxide route synthesised L3TS material. From front towards […]

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