Advanced computational engineering and experimenting selected, peer reviewed papers from the Fourth International Conference on Advanced Computational Engineering and Experimenting (ACE-X 2010), July 8th-9th, 2010, held at Hotel Concorde La Fayette Paris, France - Öchsner, Andreas; Silva, Lucas Filipe Martins da, 1973-; Altenbach, Holm, 1956- (Key engineering materials, 2011)