Publications
421 results found
Aristodemou E, Pain C, de Oliveira C, et al., 2005, Inversion of nuclear well-logging data using neural networks, GEOPHYSICAL PROSPECTING, Vol: 53, Pages: 103-120, ISSN: 0016-8025
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- Citations: 25
Wells MR, Allison PA, Hampson GJ, et al., 2005, Modelling ancient tides: the Upper Carboniferous epi-continental seaway of Northwest Europe, Sedimentology, Vol: 52, Pages: 715-735, ISSN: 0037-0746
Pain CC, Gomes JLMA, Eaton MD, et al., 2005, A Model of Heat Transfer Dynamics of Coupled Multiphase-Flow and Neutron-Radiation: Application to a Nuclear Fluidized Bed Reactor, International Journal of Numerical Methods for Heat and Fluid Flow, Vol: 15, Pages: 765-807
Ai-Yaarubi AH, Pain CC, Grattoni CA, et al., 2005, Navier-Stokes simulations of fluid flow through a rock fracture, 2nd International Symposium on Dynamics of Fluids in Fractured Rock, Publisher: AMER GEOPHYSICAL UNION, Pages: 55-64, ISSN: 0065-8448
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- Citations: 22
Piggott MD, Pain CC, Gorman GJ, et al., 2005, <i>h</i>, <i>r</i>, and <i>hr</i> adaptivity with applications in numerical ocean modelling, OCEAN MODELLING, Vol: 10, Pages: 95-113, ISSN: 1463-5003
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- Citations: 69
Fang F, Pain CC, Piggott MD, et al., 2005, An adaptive mesh adjoint data assimilation method applied to free surface flows, International Journal for Numerical Methods in Fluids, Vol: 47, Pages: 995-1001
Al-Yaarubi AH, Pain CC, Grattoni CA, et al., 2005, Navier-Stokes simulations of fluid flow through a rock fracture, Dynamics of Fluids and Transport in Fractured Rocks, Editors: Faybishenko, Witherspoon, Gale, Washington, DC, Publisher: American Geophysical Union, Pages: 55-64, ISBN: 9780875904276
Pain CC, Piggott MD, Goddard AJH, et al., 2005, Three-dimensional unstructured mesh ocean modelling, OCEAN MODELLING, Vol: 10, Pages: 5-33, ISSN: 1463-5003
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- Citations: 138
Ford R, Pain CC, Piggott MD, et al., 2004, A nonhydrostatic finite-element model for three-dimensional stratified oceanic flows. Part II: Model validation, MONTHLY WEATHER REVIEW, Vol: 132, Pages: 2832-2844, ISSN: 0027-0644
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- Citations: 28
Ziver AK, Shahdatullah S, Eaton MD, et al., 2004, Deterministic and monte carlo neutron transport calculations of the dounreay fast breeder reactor, NUCLEAR TECHNOLOGY, Vol: 148, Pages: 223-234, ISSN: 0029-5450
Ford R, Pain CC, Piggott MD, et al., 2004, A nonhydrostatic finite-element model for three-dimensional stratified oceanic flows. Part I: Model formulation, MONTHLY WEATHER REVIEW, Vol: 132, Pages: 2816-2831, ISSN: 0027-0644
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- Citations: 81
Herwanger JV, Pain CC, Binley A, et al., 2004, Anisotropic resistivity tomography, GEOPHYSICAL JOURNAL INTERNATIONAL, Vol: 158, Pages: 409-425, ISSN: 0956-540X
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- Citations: 42
Zimmerman RW, Al-Yaarubi A, Pain CC, et al., 2004, Non-linear regimes of fluid flow in rock fractures, Regional ISRM Sinorock 2004 Symposium, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: 384-384, ISSN: 1365-1609
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- Citations: 368
Ziver AK, Pain CC, Carter JN, et al., 2004, Genetic algorithms and artificial neural networks for loading pattern optimisation of advanced gas-cooled reactors, ANNALS OF NUCLEAR ENERGY, Vol: 31, Pages: 431-457, ISSN: 0306-4549
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- Citations: 18
Zimmerman RW, Al-Yaarubi A, Pain CC, et al., 2004, Non-linear regimes of fluid flow in rock fractures, International Journal of Rock Mechanics and Mining Sciences, Vol: 41, Pages: 163-169, ISSN: 1365-1609
We have conducted high-resolution Navier-Stokes simulations and laboratory measurements of fluid flow in a natural sandstone fracture. First, epoxy casts were made of the two opposing fracture surfaces. The surface profiles of the two surfaces were then measured at a vertical resolution of ±2 μm, every 20 μm in the x and y-directions, over 2 cm × 2 cm regions of the fracture. These data were then used to create a finite-element mesh for the fracture void space, and the Navier-Stokes equations were solved within this domain. Flow experiments were also conducted within the same fracture casts, over a range of flowrates. The simulations confirm the existence of a weak inertia regime for Reynolds numbers in the range of 1-10, in which the non-Darcy pressure drop varies with the cube of the flowrate. Although of theoretical interest, this effect is, however, probably too small to be of engineering interest. At Reynolds numbers above about 20, both the simulations and experiments exhibit a Forchheimer-type regime, in which the non-Darcy pressure drop is quadratic in the flowrate. © 2004 Elsevier Ltd.
Wang H, Colvile RN, Pain CC, et al., 2004, Airflows in the vicinity of the intersection, Garmisch-Partenkirchen, Germany, the 9th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes
de Oliveira CRE, Pain CC, Eaton MD, et al., 2004, Neutron and gamma-ray dosimetry of the Tokai-Mura and sarov criticality accidents using a deterministic transport methodology, Workshop on Computing Radiation Dosimetry (CRD 2002), Publisher: ORGANIZATION ECONOMIC COOPERATION & DEVELOPMENT, Pages: 217-233
Fang F, Pain CC, Piggott MD, et al., 2004, Adjoint data assimilation into a 3D unstructured mesh coastal finite element model, New York, 8th international conference on estuarine and coastal modeling, Monterey, CA, 3 - 5 November 2003, Publisher: Amer Soc Civil Engineers, Pages: 308-324
Agung A, Lathouwers D, THJJ VDH, et al., 2004, Passive decay heat removal in a fluidized bed nuclear reactor, Chicago, USA, PHYSOR 2004, Pages: 1-10
Tong CH, Thompson MJ, Warner MR, et al., 2003, The significance of density and attenuation in the local helioseismology, ASTROPHYSICAL JOURNAL, Vol: 596, Pages: L263-L266, ISSN: 0004-637X
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- Citations: 7
Pain CC, Herwanger JV, Saunders JH, et al., 2003, Anisotropic resistivity inversion, INVERSE PROBLEMS, Vol: 19, Pages: 1081-1111, ISSN: 0266-5611
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- Citations: 52
Ziver AK, Pain CC, Eaton MD, et al., 2003, Comparative neutron and gamma-ray dosimetry of the JCO and SAROV criticality accidents using FETCH, Tokai-Mura, Ibaraki-Ken, Japan, the 7th International Conference on Nuclear Criticality Safety, JAERI
Pain CC, De Oliveira CRE, Goddard AJH, et al., 2003, Transient analysis and dosimetry of the Tokaimura criticality incident, NUCLEAR TECHNOLOGY, Vol: 144, Pages: 16-33, ISSN: 0029-5450
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- Citations: 1
Pain CC, Eaton MD, Gomes JLMA, et al., 2003, The fission power of a conceptual fluidised bed thermal nuclear reactor, ATW-INTERNATIONAL JOURNAL FOR NUCLEAR POWER, Vol: 48, Pages: 613-+, ISSN: 1431-5254
Tong CH, Thompson MJ, Warner MR, et al., 2003, Helioseismic signals and wave field helioseismology, ASTROPHYSICAL JOURNAL, Vol: 593, Pages: 1242-1248, ISSN: 0004-637X
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- Citations: 10
Sisavath S, Al-Yaarubi A, Pain CC, et al., 2003, A simple model for deviations from the cubic law for a fracture undergoing dilation or closure, PURE AND APPLIED GEOPHYSICS, Vol: 160, Pages: 1009-1022, ISSN: 0033-4553
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- Citations: 95
Ziver AK, Carter JN, Pain CC, et al., 2003, Multicycle optimization of advanced gas-cooled reactor loading patterns using genetic algorithms, NUCLEAR TECHNOLOGY, Vol: 141, Pages: 122-141, ISSN: 0029-5450
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- Citations: 7
Tong CH, Thompson MJ, Warner MR, et al., 2003, Acoustic wave propagation in the Sun: Implications for wave field and time-distance helioseismology, ASTROPHYSICAL JOURNAL, Vol: 582, Pages: L121-L124, ISSN: 0004-637X
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- Citations: 11
Sisavath S, Al-Yaarubi A, Pain CC, et al., 2003, A simple model for deviations from the cubic law for a fracture undergoing dilation or closure, Pure and Applied Geophysics, Vol: 160, Pages: 1009-1022, ISSN: 0033-4553
Experimental observations show that flow through a fracture decreases more rapidly than the cube of the mean aperture (COOK, 1992). In order to provide a possible explanation of these experimental findings, we study creeping flow through a fracture of varying aperture that is symmetric about its midplane, using the power series of the stream function obtained by VAN DYKE (1987) for low Reynolds numbers. For the case of sinusoidally-varying walls, a simple expression relating the effective hydraulic aperture of the channel to the mean aperture and to the amplitude and wavelength of the sinusoidal wall profiles is obtained. Comparison is made to previous studies (KITANIDIS and DYKAAR, 1997) and to finite element calculations, and good agreement is obtained. The effect of fracture closure is then modelled as a decrease of the mean aperture without a change in the roughness. A power law relationship can be obtained between the flowrate and the mean aperture, with an exponent as high as 10, thus providing a potential mechanistic explanation of the experimental findings of PYRAK-NOLTE et al. (1987).
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