The Institute of Geonics of the ASCR organized the International Workshop on Development of Coupled Models and their Validation against Experiments as a part of the project designated as Decovalex 2011, which occured in Prague October 21-23, 2009. This international research project was established as Decovalex for theoretical and experimental studies of coupled thermal, hydrological and mechanical processes in hard rocks. and Radim Blaheta.