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Title An Innovative 3-D Numerical Modelling Procedure for Simulating Repository-Scale Excavations in Rock (2)? SAFETI

Authors R. P. Young, D. Collins, J. Hazzard, A. Heath -University of Liverpool, Department of Earth Sciences, UK. W. Pettitt, C. Baker - Applied Seismology Consultants Ltd., UK. D. Billaux, P. Cundall, D. Potyondy, F. Dedecker - Itasca Consultants S.A., France. C. Svemar - SKB, Sweden. P. Lebon ANDRA, France.

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Abstract This paper presents current results from work performed within the European Commission project SAFETI. The main objective of SAFETI is to develop and test an innovative 3D numerical modelling procedure that will enable the 3-D simulation of nuclear waste repositories in rock. The modelling code is called AC/DC (Adaptive Continuum/ DisContinuum) and is partially based on Itasca Consulting Group?s Particle Flow Code (PFC). Results are presented from the laboratory validation study where algorithms and procedures have been developed and tested to allow accurate ?Models for Rock? to be produced. Preliminary results are also presented on the use of AC/DC with parallel processors and adaptive logic. During the final year of the project a detailed model of the Prototype Repository Experiment at SKB?s Hard Rock Laboratory will be produced using up to 128 processors on the parallel super computing facility at Liverpool University.

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Link ./files/publications/safeti_lux_2004.pdf



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