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Title Seismic Validation of 3-D Thermo-Mechanical Models for the Prediction of the Rock Damage Around Radioactive Waste Packages in Geological Repositories

Authors University of Liverpool, UK; Applied Seismology Consultants (ASC) Ltd., UK; ITASCA Consultants SA, F; Svensk Kaernbraenslehantering (SKB) AB, S; Agence Nationale pour la Gestion des Déchets Radioactifs (ANDRA), F

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Abstract Until now, computational limitations have meant that it was not practical to produce detailed three-dimensional (3D) field-scale experiments using discrete element modelling codes. The SAFETI project has produced a state of the art code (AC/DC) and visualization package (ACDCvis) that allows models of field-scale experiments in brittle materials (such as rock or concrete) to be performed. The code makes use of parallel computing technology, and has been successfully tested on 40 nodes of the Networked Earth Science Super Computer (NESSC) at Liverpool University UK, and a smaller computer cluster in France. The model results have been validated against a number of laboratory and field-scale experiments under varying 3D stress regimes.

The AC/DC concept uses, as a basis, the well known and accepted PFC3D and FLAC3D codes to build up large models composed of discontinuum and continuum regions. Algorithms have been produced for predicting long term time dependent behaviour in the AC/DC m

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Link http://www.seismology.org/files/publications/final_report_safeti_cordis.pdf



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