[en] The objective of this project was to review, acquire and install for the AECB one or more computer programs for the analysis of the coupled fluid flow-thermal-mechanical processes that are involved in the deep disposal of high-level nuclear wastes. An assessment of the importance of the various couplings was also to be made. A number of state-of-the-art computer programs were reviewed. None of the programs were capable of modelling all the couplings that are relevant to repository analyses. UDEC, a two-dimensional, discrete-element code which models a rock mass as an assemblage of blocks with fluid flow through the rock joints, was acquired. UDEC also models transient heat flow and thermal stresses. In addition, PLASCON, a finite-element program which simulates two-dimensional thermal elasto-plastic consolidation of porous media, was acquired and installed on Acres VAX 8350 computer. Subsequent to conversion of the programs to a VAX VMS environment and a number of verification runs, analyses were performed at regional, room and canister scales. Although substantial progress was not made in understanding the significance of the couplings, considerable progress was made in understanding the two computer programs and the complexities involved in performing coupled analyses