Topology Optimization of Structures for Nonlinear Impact Problems

Algorithm of the hybrid topology optimization method (ground structure approach and hybrid cellular automata) for thin-walled structures for nonlinear and transient problems, S. Hunkeler (2013).

Results of the hybrid topology optimization method (ground structure approach and hybrid cellular automata) for shell structures for nonlinear and transient problems, S. Hunkeler (2013).

Due to the high non-linearity of impact problems, classic topology optimization methods (e.g. SIMP or homogenization) cannot be applied directly. Therefore, alternative numerical methods are developed here. For this the Equivalent Static Load Method (ESLM), the Ground Structure Approach (GSA) and the Hybrid Cellular Automata (HCA) are extended such that they can be used to derive structures with optimal energy absorption, low mass and high efficiency.

Partners:	ASCS, BMW Group, BGU Wuppertal, DYNAmore, Queen Mary University of London, und SFE GmbH.
Contact:	T. Dietrich, S. Hunkeler, K. Volz, A. Walser.