1. Laboratori de Càcul Numeric (LaCàN), E.T.S. de Ingenieros de Caminos, Canales y Puertos Universitat Politecnica de Catalunya Barcelona Spain
2. International Centre for Numerical Methods in Engineering CIMNE Barcelona Spain
3. Zienkiewicz Centre for Computational Engineering College of Engineering Swansea University Swansea Wales UK
4. Centro Técnico de SEAT S.A Martorell Spain