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• Conference paper
  Vire A, Xiang J, Piggott M, Spinneken J, Pain Cet al., 2013,

  Numerical Modelling of Fluid-structure Interactions for Floating Wind Turbine Foundations

  , Twenty-third International Offshore and Polar Engineering Conference, Pages: 377-382

  The aim of this study is to model the interactions between fluids and solids using fully nonlinear models. Non-linearity is important in the context of floating wind turbines, for example, to model breaking waves impacting on the structure and the effect of the solid’s elasticity. In this work, the fluid- and solid-dynamics equations are solved using separate finite-element models, which are coupled at every time step. This enables the mutual interactions between fluids and moving solids to be modelled. Importantly, the coupling algorithm ensures that the action-reaction principle is satisfied at a discrete level, independently of the order of representation of the discrete fields in each model. To the authors’ knowledge, the present algorithm is novel in that it can simultaneously handle (i) non-matching fluid and solid meshes, (ii) different polynomial orders of the basis functions on each mesh, and (iii) different fluid and solid time steps. Results are shown for: (i) a bottom-mounted pile subjected to small-amplitude waves in a numerical wave tank, and (ii) a truncated pile floating at an interface between air and water.

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• Journal article
  Yver CE, Graven HD, Lucas DD, Cameron-Smith PJ, Keeling RF, Weiss RFet al., 2013,

  Evaluating transport in the WRF model along the California coast

  , ATMOSPHERIC CHEMISTRY AND PHYSICS, Vol: 13, Pages: 1837-1852, ISSN: 1680-7316
  • Author Web Link
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  • Citations: 29
• Journal article
  Wanninkhof R, Park G-H, Takahashi T, Sweeney C, Feely R, Nojiri Y, Gruber N, Doney SC, McKinley GA, Lenton A, Le Quere C, Heinze C, Schwinger J, Graven H, Khatiwala Set al., 2013,

  Global ocean carbon uptake: magnitude, variability and trends

  , BIOGEOSCIENCES, Vol: 10, Pages: 1983-2000, ISSN: 1726-4170
  • Cite
  • Citations: 297
• Journal article
  Ryder CL, Highwood EJ, Rosenberg PD, Trembath J, Brooke JK, Bart M, Dean A, Crosier J, Dorsey J, Brindley H, Banks J, Marsham JH, McQuaid JB, Sodemann H, Washington Ret al., 2013,

  Optical properties of Saharan dust aerosol and contribution from the coarse mode as measured during the Fennec 2011 aircraft campaign

  , ATMOSPHERIC CHEMISTRY AND PHYSICS, Vol: 13, Pages: 303-325, ISSN: 1680-7316
  • Author Web Link
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  • Citations: 154
• Conference paper
  Tang X, Paluszny A, Zimmerman RW, 2013,

  A Study of the Influence of Fragmentation in Ore-Pass Hang-up Phenomena

  , Publisher: American Rock Mechanics Association

  Abstract: Fragmentation strongly influences the interlocking hang-up phenomena, a common occurrence in conjunction with cohesive arching around draw points in block caving systems. This work presents a brief numerical study of the influence of fragmentation on interlocking hang-up phenomena. Fragment interaction and breakup are simulated numerically by combining the impulse-based energy tracking method (ETM) and the finite element method (FEM) in three dimensions. Numerical tests with varying size of ore fragments are carried out. The breakage of rock fragments is modeled during the entire simulation and the influence of fragmentation is investigated in terms of productivity and the efficiency of draw point extraction. Simulation results with fragmentation are compared to non-fragmentation numerical tests. It is observed that with fragmentation, 1.93% and 2.57% more volume of ore fragments are extracted before hang-up when the initial diameter of ore fragments is 5.775 m and 7.5 m, respectively.

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• Conference paper
  Wilkinson JJ, Vry VH, Spencer ET, Seguel Jet al., 2013,

  Fluid evolution in a super-giant porphyry Cu-Mo deposit: El Teniente, Chile

  , 12th Biennial SGA Meeting on Mineral Deposit Research for a High-Tech World, Publisher: SGU-SVERIGES GEOLOGISKA UNDERSOKNING-GEOLOGY SURVEY SWEDEN, Pages: 906-909
  • Author Web Link
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  • Citations: 1
• Journal article
  Charman DJ, Beilman DW, Blaauw M, Booth RK, Brewer S, Chambers FM, Christen JA, Gallego-Sala A, Harrison SP, Hughes PDM, Jackson ST, Korhola A, Mauquoy D, Mitchell FJG, Prentice IC, van der Linden M, De Vleeschouwer F, Yu ZC, Alm J, Bauer IE, Corish YMC, Garneau M, Hohl V, Huang Y, Karofeld E, Le Roux G, Loisel J, Moschen R, Nichols JE, Nieminen TM, MacDonald GM, Phadtare NR, Rausch N, Sillasoo U, Swindles GT, Tuittila E-S, Ukonmaanaho L, Valiranta M, van Bellen S, van Geel B, Vitt DH, Zhao Yet al., 2013,

  Climate-related changes in peatland carbon accumulation during the last millennium

  , BIOGEOSCIENCES, Vol: 10, Pages: 929-944, ISSN: 1726-4170
  • Cite
  • Citations: 284
• Journal article
  Kelley DI, Prentice IC, Harrison SP, Wang H, Simard M, Fisher JB, Willis KOet al., 2013,

  A comprehensive benchmarking system for evaluating global vegetation models

  , BIOGEOSCIENCES, Vol: 10, Pages: 3313-3340, ISSN: 1726-4170
  • Cite
  • Citations: 119
• Journal article
  Armitage JJ, Dunkley Jones T, Duller RA, Whittaker AC, Allen PAet al., 2013,

  Temporal buffering of climate-driven sediment flux cycles by transient catchment response

  , EARTH AND PLANETARY SCIENCE LETTERS, Vol: 369-370, Pages: 200-210
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• Journal article
  Foley AM, Dalmonech D, Friend AD, Aires F, Archibald AT, Bartlein P, Bopp L, Chappellaz J, Cox P, Edwards NR, Feulner G, Friedlingstein P, Harrison SP, Hopcroft PO, Jones CD, Kolassa J, Levine JG, Prentice IC, Pyle J, Riveiros NV, Wolff EW, Zaehle Set al., 2013,

  Evaluation of biospheric components in Earth system models using modern and palaeo-observations: the state-of-the-art

  , BIOGEOSCIENCES, Vol: 10, Pages: 8305-8328, ISSN: 1726-4170
  • Cite
  • Citations: 9

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