Additively Manufactured Components for Structural Applications in Aircraft Interior – Two Case Studies

DFX 2016: Proceedings of the 27th Symposium Design for X,5-6 October 2016, Jesteburg, Germany

Year: 2016
Editor: Dieter Krause, Kristin Paetzold, Sandro Wartzack
Author: Oltmann, Jan; Seemann, Ralf; Spallek, Johanna; Krause, Dieter
Series: DfX
Institution: Hamburg University of Technology
Section: Leichtbau
Page(s): 147-156
ISBN: 978-3-946094-09-8

Abstract

Conventional manufacturing technologies limit the design of lightweight sandwich cores to homogenous topologies. The paper presents two case studies on the optimization of the structural performance of existing lightweight sandwich structures utilizing the design freedom given by additive manufacturing technologies. Both studies focus on the improvement of the sandwich core. In the first study, a novel adaptive core geometry is developed in order to improve the load introduction into the panel. The second study focuses on the improvement of the damping properties of the sandwich panel, as it is necessary to reduce resonant vibration. The voids in the honeycomb core are used to insert small particles in order to damp the structure.

Keywords: Additive manufacturing, Structural applications, Product development, Honeycomb sandwich structures

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