Contact

• Room B.2.2.03
• Email: andreas.j.koch@tum.de
• Phone: +49 (0) 89 289 55382

Research interests

• Computational modeling of compressible multiphase flows
• Accurate modeling of rapid evaporation dynamics
• CutDG methods
• High performance computing and software development

Articles in peer-reviewed international journals

• N. Much, A. Koch, C. Meier, M. Schreter-Fleischhacker, A hybrid sharp–diffuse interface approach to accurately model melt pool dynamics with rapid evaporation in laser-based processing of metals, Computer Methods in Applied Mechanics and Engineering 457 (119023), 2026, DOI

International Conference Contributions with Abstract

• A. Koch, M. Bergbauer, J. Brotz, M. Schreter-Fleischhacker, C. A. Meier, Constraint Enforcement in a Sharp-Interface Discontinuous Galerkin Method for Rapid Evaporation Dynamics in Metal Additive Manufacturing, Sim-AM 2025, 09.09.-11.09.2025, Pavia, Italy
• A. Koch, P. M. Praegla, J. Brotz, M. Schreter-Fleischhacker, C. A. Meier, Refined Formulations of Resolved Vapor Flow and Unresolved Recoil Pressure Models for Rapid Evaporation in Metal Additive Manufacturing under Elevated Pressure, WCCM-ECCOMAS 2026, 19.07.-24.07.2026, Munich, Germany

Teaching

• Simulation additiver Fertigungsverfahren: Teil 1 - Fluidmechanik, Winter Term 2025/26

Supervised student projects / theses

• A High-Order Matrix-Free CutFEM Approach for Parabolic Two-Phase Problems with Moving Interfaces, Master's Thesis, 2025, Leonhard Kellerer, in cooperation with Maximilian Bergbauer
• A Comparative Study of Diffuse-Interface and Hybrid Diffuse–Sharp Interface Approaches for Melt Pool Simulation in Metal Additive Manufacturing, Bachelor's Thesis, 2026, Anna Frolova, in cooperation with Magdalena Schreter-Fleischhacker
• A Matrix-Free Finite-Element Method for Elliptic Level-Set Reinitialization, Master's Thesis, Aleksandra Petrovskaia, 2026, in cooperation with Magdalena Schreter-Fleischhacker
• Stabilization of Convection-Dominated Incompressible Two-Phase Flow Using Taylor–Hood Finite Elements for Melt Pool Dynamics in Metal Additive Manufacturing, Master's Thesis, Jan Westermann, 2026, in cooperation with Magdalena Schreter-Fleischhacker and Martin Kronbichler
• Explicit Time Integration with Enhanced Stability Regions for Compressible Flow Simulations in Metal Additive Manufacturing, Bachelor's Thesis, 2026, Lysander Sirach, in cooperation with Julian Brotz 

Education

• since 2024 Research Associate at the Professorship of Simulation for Additive Manufacturing, Technical University of Munich, Germany
• 2024 Master of Science (M.Sc.), Mechanical Engineering, Technical University of Munich, Germany