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26. September 2018

Christian Reintjes presents his research at the International Conference on Operations Research

In September 2018, Christian Reintjes, scholar of the SME Graduate School, presented his research results on the topic „Design and Optimization for Additive Manufacturing of Cellular Structures using Linear Optimization“ within the session Operations Research in Engineering. Furthermore his research paper (together with his co-authors Michael Hartisch and Ulf Lorenz) is submitted for the Operations Research Proceedings 2018, selected Papers of the International Conference on Operations Research.

The annual conference of the German Operations Research Society (GOR) was co-organized this year with the Belgien Research Society (ORBEL) with support of Université libre de Bruxelles. Practitioners and academics from mathematics, computer science, economics, engineering, and related fields participated at the International Conference on Operations Research at the MCE Conference and Business Centre in Brussels.

The rapid development of Additive Manufacturing (AM) enables a high geometrical freedom for the production of lightweight cellular structures. Through the newly gained possibilities in individualization and complexity in the areas of design and construction, optimization and generation of the initial design becomes even more important. Christian Reintjes presented a mixed-integer linear program (MIP) to generate a three-dimensional construction of cellular structures for a static case of loading. Additionally, based on the optimized structures, an automated construction in a CAD system allowing a numerically simulation of nonlinear material behaviour was presented.


Christian Reintjes M.Sc.
Universität Siegen SME Graduate School – Fast-Track PhD