Affiliation: | 1. International Center for Numerical Methods in Engineering (CIMNE), Technical University of Catalonia (UPC), Gran Capitán s/n, 08034 Barcelona, Spain;2. ICREA Research Professor at CIMNE.;3. National Institute of Standards and Technology (NIST), Building and Fire Research Laboratory (BFRL), 100 Bureau Drive, Gaithersburg, MD 20899, U.S.A. |