Activity Modelling of Additive Manufacturing

Internally funded project

Project Details

Project leader:
Prof. Dr.-Ing. Carolin Körner

Contributing FAU Organisations:
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)

Start date: 01/06/2000

Research Fields

Modelling and Simulation
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)

Abstract (technical / expert description):

A predictive software relies on exact physical and numerical models. The most important aspect is the correct modelling of the thermal conditions. Almost all modifications of process parameters have a direct influence on heat conduction, the coupling of the energy source or heat sinks by e.g. heat radiation or evaporation. Furthermore, many material parameters are temperature dependent and sensitive to a correct model. During melting a melt pool evolves, whose dynamics are mainly covered by capillarity, wetting, Marangoni convection and gravity. The temperature gradient and the solidification velocity mainly influence the final microstructure while solidification.

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Bauereiß, A. (2018). Mesoskopische Simulation des selektiven Strahlschmelzens mittels einer Lattice Boltzmann Methode mit dynamischer Gitteranpassung (Dissertation).
Markl, M., Lodes, M., Franke, M., & Körner, C. (2017). Additive Fertigung durch selektives Elektronenstrahlschmelzen. Schweissen und Schneiden, 69, 30-39.
Markl, M., Lodes, M., Franke, M., & Körner, C. (2017). Additive manufacturing using selective electron beam melting. Welding and Cutting, 16(3), 177-184.
Klassen, A., Forster, V., & Körner, C. (2017). A multi-component evaporation model for beam melting processes. Modelling and Simulation in Materials Science and Engineering, 25(2).
Klassen, A., Forster, V., Jüchter, V., & Körner, C. (2017). Numerical simulation of multi-component evaporation during selective electron beam melting of TiAl. Journal of Materials Processing Technology, 247, 280-288.
Rai, A., Markl, M., & Körner, C. (2016). A coupled Cellular Automaton–Lattice Boltzmann model for grain structure simulation during additive manufacturing. Computational Materials Science, 124, 37-48.
Markl, M., & Körner, C. (2016). Multiscale Modeling of Powder Bed-Based Additive Manufacturing. Annual Review of Materials Research, 46, 93-123.
Markl, M., & Körner, C. (2015). Free surface Neumann boundary condition for the advection-diffusion lattice Boltzmann method. Journal of Computational Physics, 301, 230-246.
Klassen, A., Scharowsky, T., & Körner, C. (2014). Evaporation model for beam based additive manufacturing using free surface lattice Boltzmann methods. Journal of Physics D: Applied Physics, 47(27).
Klassen, A., Bauereiß, A., & Körner, C. (2014). Modelling of electron beam absorption in complex geometries. Journal of Physics D-Applied Physics, 47(6).

Last updated on 2019-03-05 at 11:50