Erik Andreassen
Technical University of Denmark
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Featured researches published by Erik Andreassen.
Nature | 2017
Niels Aage; Erik Andreassen; Boyan Stefanov Lazarov; Ole Sigmund
In the design of industrial products ranging from hearing aids to automobiles and aeroplanes, material is distributed so as to maximize the performance and minimize the cost. Historically, human intuition and insight have driven the evolution of mechanical design, recently assisted by computer-aided design approaches. The computer-aided approach known as topology optimization enables unrestricted design freedom and shows great promise with regard to weight savings, but its applicability has so far been limited to the design of single components or simple structures, owing to the resolution limits of current optimization methods. Here we report a computational morphogenesis tool, implemented on a supercomputer, that produces designs with giga-voxel resolution—more than two orders of magnitude higher than previously reported. Such resolution provides insights into the optimal distribution of material within a structure that were hitherto unachievable owing to the challenges of scaling up existing modelling and optimization frameworks. As an example, we apply the tool to the design of the internal structure of a full-scale aeroplane wing. The optimized full-wing design has unprecedented structural detail at length scales ranging from tens of metres to millimetres and, intriguingly, shows remarkable similarity to naturally occurring bone structures in, for example, bird beaks. We estimate that our optimized design corresponds to a reduction in mass of 2–5 per cent compared to currently used aeroplane wing designs, which translates into a reduction in fuel consumption of about 40–200 tonnes per year per aeroplane. Our morphogenesis process is generally applicable, not only to mechanical design, but also to flow systems, antennas, nano-optics and micro-systems.
Structural and Multidisciplinary Optimization | 2011
Erik Andreassen; Anders Clausen; Mattias Schevenels; Boyan Stefanov Lazarov; Ole Sigmund
Mechanics of Materials | 2014
Erik Andreassen; Boyan Stefanov Lazarov; Ole Sigmund
Structural and Multidisciplinary Optimization | 2015
Niels Aage; Erik Andreassen; Boyan Stefanov Lazarov
Computational Materials Science | 2014
Erik Andreassen; Casper Schousboe Andreasen
Structural and Multidisciplinary Optimization | 2014
Erik Andreassen; Jakob Søndergaard Jensen
Journal of The Mechanics and Physics of Solids | 2014
Casper Schousboe Andreasen; Erik Andreassen; Jakob Søndergaard Jensen; Ole Sigmund
Journal of Vibration and Acoustics | 2013
Erik Andreassen; Jakob Søndergaard Jensen
Structural and Multidisciplinary Optimization | 2016
Ole Sigmund; Niels Aage; Erik Andreassen
Journal of Sound and Vibration | 2015
Erik Andreassen; Kevin L. Manktelow; Massimo Ruzzene