Combining X-ray microtomography with computer simulation for analysis of granular and porous materials

查看全文 作　　者：Roberto Moreno-[1]Atanasio;Richard A. [1]Williams

机构地区：[1]Institute of Particle Science and Engineering, School of Process, Environmental and Materials Engineering, University of Leeds, Leeds LS2 9JT, UK

出　　处：《Particuology》索引2010年第8卷第2期,共19页

基　　金：support of this work (Grant EP/D031257/1)and the contribution of illustrations from Prof. U. Tuzun (University of Surrey), Prof. C. Lin(University of Utah) and Dr C. Selomulya (Monash University) 摘　　要：The use of X-ray microtomographic (XMT) methods in analysing particulate systems has expanded rapidly in recent years with the availability of affordable desk-top apparatus. This review presents a summary of the major applications in which computer simulations are explicitly coupled with XMT in the area of granular and porous materials. We envisage two main ways of establishing the coupling between both techniques, based on the transference or exchange of information by using physical or geometrical parameters (i.e. a parametric link through fitting to a process model) or through the direct use of 3D XMT digital images (i.e. comparing image pixels and features directly). Examples of coupled applications are shown for the study of transport properties of rocks, particle packing, mechanical loading and sintering. Often, the link between XMT and computer simulations is based on visual comparisons and we conclude that the use of quantitative parameters such as the number of interparticle contacts, force networks or granule shape to link both techniques is still underrepresented in the literature. Strategies to provide a more robust and quantitative approach to optimise the information obtained from such tomography analyses are proposed. 关键词：计算机模拟颗粒系统多孔材料 X射线材料分析中国科学院电脑功能比较

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Combining X-ray microtomography with computer simulation for analysis of granular and porous materials

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