Category 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 […]

Posted in Publications | Tagged , , , | Leave a comment

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, […]

Posted in Publications | Tagged , , , | Leave a comment

Paper online (Heliyon) on crumple-formed materials

Hanaor, D., Flores Johnson, E.A., Wang, S., Quach, S., Dela-Torre, K.N., Gan, Y., Shen, L. (2017) Mechanical properties in crumple-formed paper derived materials subjected to compression. Heliyon. 3 (2017) e00329. [DOI][PDF:047_Heliyon_2017] Abstract: The crumpling of precursor materials to form dense three dimensional geometries offers an attractive route towards the utilisation of minor-value waste materials. Crumple-forming results in a mesostructured […]

Posted in Publications | Tagged , , | Leave a comment

Paper online (Fusion Eng. Des.) on ellipsoidal DEM

Moscardinia, M., Gan, Y., Annabattula, R.K., Kamlah M. (2017) A Discrete Element Method to simulate the mechanical behavior of ellipsoidal particles for a fusion breeding blanket. Fusion Engineering and Design. 121: 22-31. [DOI][PDF:046_FED_2017_M] Abstract: The breeder materials proposed for the solid tritium breeding blanket concepts are ceramic lithium-based compounds in the form of pebble beds. Different fabrication […]

Posted in Publications | Tagged , , , , | Leave a comment

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) […]

Posted in Publications | Tagged , , , | Leave a comment

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 […]

Posted in Publications | Tagged , , | Leave a comment

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.

Posted in Publications | Tagged , , | Leave a comment

Manuscript accepted (Langmuir)

A manuscript has been accepted by Langmuir on a theoretical analysis of capillary penetration in porous media:  Liu, M., Wu, J., Gan,Y., Hanaor, D., Chen, C. (2016). Evaporation limited radial capillary penetration in porous media. Langmuir. in press. DOI: 10.1021/acs.langmuir.6b02404 Figure: (a) Schematic illustration of an annular porous medium fed by inner and outer reservoirs. (b) Calculated phase diagram of […]

Posted in Publications | Tagged , , | Leave a comment

Manuscript accepted (FED)

A manuscript has been accepted by Fusion Engineering and Design, summarising Simone’s work during his stay at The University of Sydney, funded by a Go8-DAAD project. Simone is working at Karlsruhe Institute of Technology, Germany. Pupeschi, S., Knitter, R., Kamlah, M., Gan, Y. (2016) Numerical and experimental characterization of ceramic pebble beds under cycling mechanical loading. Fusion […]

Posted in Publications | Tagged , , , , , , | Leave a comment

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 […]

Posted in Publications | Tagged , , | Leave a comment

Paper online, IJMMD

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 Design. in press. [DOI]   Abstract The discrete element method (DEM) together with the finite element method (FEM) in LS-DYNA was employed […]

Posted in Publications | Tagged , , , , | Leave a comment

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 […]

Posted in Publications | Tagged , , , , | Leave a comment

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 […]

Posted in Publications | Tagged , , , | Leave a comment

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). […]

Posted in Publications | Tagged , , , | Leave a comment

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 […]

Posted in Publications | Tagged , , , | 1 Response

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, […]

Posted in Publications | Tagged , , , | Leave a comment

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 […]

Posted in Publications | Tagged , , , , | Leave a comment

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 […]

Posted in Publications | Tagged , , , , | Leave a comment

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 […]

Posted in Publications | Tagged , , , , | Leave a comment

Paper online (Extreme Mechanics Letters) on wrinkling in defected metal thin films

Flores-Johnson, E. A., Rupert, T. J., Hemker, K. J., Gianola, D. S., & Gan, Y. (2015). Modelling wrinkling interactions produced by patterned defects in metal thin films. Extreme Mechanics Letters. In press. http://dx.doi.org/10.1016/j.eml.2015.07.002 Abstract Wrinkling patterns in freestanding metal thin films under tensile loading are investigated through finite-element simulations with experimental validation. Numerical simulations of […]

Posted in Publications | Tagged , , | Leave a comment