Advances in Structural and Multidisciplinary Optimization Proceedings of the 12th World Congress of Structural and Multidisciplinary Optimization (WCSMO12) - Schumacher, Axel; Schumacher, Axel; Vietor, Thomas; Vietor, Thomas; Fiebig, Sierk; Fiebig, Sierk; Bletzinger, Kai-Uwe; Bletzinger, Kai-Uwe; Maute, Kurt; Maute, Kurt (Springer International Publishing : Imprint: Springer, 2018)