People
has a background in industrial engineering and biomimetics. Currently he is a doctoral student at the Chair of Materials Handling, Material Flow, Logistics within TUM and is responsible for the design, automation, and advancement of the near-nozzle continuous mixing system that was developed during the first project phase of A03.
Project(s)
Extrusion of Near-Nozzle Mixed Concrete –Individually Graded in Density and in Rate of 3D Fibre Reinforcement
Publications
All publications from M. Sc. Michael UnterreinerPublications from M. Sc. Michael Unterreiner
Publications
2026 | S. Cheng, B. Grimm, M. Unterreiner, M. Hechtl, M. Dahlenburg, T. Kränkel, J. Fottner, C. Gehlen, F. Bos: Properties of the transition region in 3D printed functionally graded concrete through Near Nozzle Binder-Aggregate Mixing (NNBAM) Construction and Building Materials, Volume 520. 2026, https://doi.org/10.1016/j.conbuildmat.2026.145990
Data | Zenodo, 2026, https://doi.org/10.5281/zenodo.18899746
Chief Collaborative Demonstrator Execution Coordinator
Publications from M. Sc. Janna Vollrath
has a background in lightweight structures’ design and computational mechanics. Currently, she is a doctoral researcher at the Institute of Structural Analysis at TU Braunschweig with a focus on embedded finite element techniques and applications in multi-physics simulations and structural optimization. Within project C02, Franziska mainly contributes to the high-fidelity optimization approach.
Project(s)
3D Structural Puzzle – Numerical Multi Scale Shape and Topology Optimisation Methods to Additively Manufacture Optimal Structures from Optimised Pieces
Publications
All publications from M. Sc. Franziska WahlPublications from M. Sc. Franziska Wahl
Publications
He is a Senior Scientist and Head of the Computational Simulation Lab at the Chair of Structural Analysis, Technical University of Munich. With a robust background in computational mechanics, structural mechanics, optimization, and fluid dynamics, his research centers on advancing and implementing cutting-edge continuous optimization techniques within the framework of the C02 project. In addition to his academic leadership, he serves as a technical committee member of the open-source KRATOS Multiphysics finite element framework, which plays a pivotal role in the development efforts of the C02 project.
Project(s)
3D Structural Puzzle – Numerical Multi Scale Shape and Topology Optimisation Methods to Additively Manufacture Optimal Structures from Optimised Pieces
Publications from Dr.-Ing. Suneth Warnakulasuriya
Publications
2026 | J. Müller, H. Jahns, M. Müggenburg, K. Thiele, J. Unglaub, J. Hensel: Case study report on design, manufacturing and digital representation of a DED-Arc steel node for construction Sci Rep 16, 3263, 2026, https://doi.org/10.1038/s41598-026-37315-2
Data | Zenodo, 2026, https://doi.org/10.5281/zenodo.17192191
acts as supervisor for the research fellows and gives special input to the WPs related to Technical Regulations. He is responsible for the above allocated WPs and together with PL Pittich for cooperation with allocated projects of TRR 277 and the management of project C07.
Project(s)
Challenges of Additive Manufacturing – Technical Regulations and Qualification Requirements
Publications
All publications from Prof. Dr.-Ing. Stefan WinterPublications from Prof. Dr.-Ing. Stefan Winter
Publications
is head of the Department of Research Data Services at the University Library of the Technical University of Munich. In the TRR, she guides the staff of the I – Information Infrastructure Project. She is responsible for developing and continuing the data strategy in close cooperation with the Board. The strategy focuses on communicating and collaborating with all sub-projects, finding FAIR solutions that support the TRR researchers and their data, and publishing data along with the research articles.
Project(s)
The Information Infrastructure Project provides comprehensive support for all aspects of research data management within the remit of TRR277, in close collaboration with all projects, the Leibniz Supercomputing Centre (LRZ) and the infrastructure facilities of the Technical University of Munich and the University of Braunschweig.
Publications
All publications from Dr. rer. nat. Christine WolterPublications from Dr. rer. nat. Christine Wolter
Publications
is Professor of Statics and Dynamics at the Technical University of Munich. He is project leader of C02 – 3D Structural Puzzle – Numerical Multiscale Shape and Topology Optimisation Methods for the Additive Manufacturing of Optimal Structures from Optimised Parts and further develops the existing methods of the Continuum-based Optimisation Approach (COA) within his research group.
Project(s)
3D Structural Puzzle – Numerical Multi Scale Shape and Topology Optimisation Methods to Additively Manufacture Optimal Structures from Optimised Pieces
Publications from Prof. Dr.-Ing. habil. Roland Wüchner
Publications
2026 | P. Jakobs, R. Wüchner: Knotenbasierte Form- und Materialgradierungsoptimierung für die additive Fertigung im Bauwesen Berichte der Fachtagung Baustatik – Baupraxis 16, 2026, https://doi.org/10.25368/2026.043
2024 | M. Meßmer, R. Najian, S. Kollmannsberger, R. Wüchner, K.U. Bletzinger: Shape optimization of embedded solids using implicit Vertex-Morphing, Computer Methods in Applied Mechanics and Engineering, Volume 426, 2024, 116999, ISSN 0045-7825
2024 | M. Meßmer, S. Kollmannsberger, R. Wüchner, K.U. Bletzinger: Robust numerical integration of embedded solids described in boundary representation Computer Methods in Applied Mechanics and Engineering, Volume 419, 2024, https://doi.org/10.1016/j.cma.2023.116670.
Data |Quadrature for Embedded Solids – QuESo, GitHub, 2024, https://github.com/manuelmessmer/QuESo.
2023 | A. Ghantasala, J. Diller, A. Geiser, D. Wenzler, D. Siebert, C. Radlbeck, R. Wüchner, M. Mensinger, K.U. Bletzinger: Node-Based Shape Optimization and Mechanical Test Validation of Complex Metal Components and Support Structures, Manufactured by Laser Powder Bed Fusion. In: Trzcielinski, S., Mrugalska, B., Karwowski, W., Rossi, E., Di Nicolantonio, M. (eds) Advances in Manufacturing, Production Management and Process Control. AHFE 2021. Lecture Notes in Networks and Systems, vol 274. Springer, Cham.
https://doi.org/10.1007/978-3-030-80462-6_2
2021 | Ghantasala, A.; Diller, J.; Geiser, A.; Wenzler, D.; Siebert, D.; Radlbeck, C.; Wüchner, R.; Mensinger, M.; Bletzinger, K.U.: Node-Based Shape Optimization and Mechanical Test Validation of Complex Metal Components and Support Structures, Manufactured by Laser Powder Bed Fusion. In: Advances in Manufacturing, Production Management and Process Control. AHFE 2021; Lecture Notes in Networks and Systems, vol 274. Springer, Cham. – DOI: https://doi.org/10.1007/978-3-030-80462-6_2.
Is a doctoral researcher at the Institute of Structural Design (ITE) at TU Braunschweig.
Project(s)
Injection 3D Concrete Printing (I3DCP) – Material Efficient Lightweight Reinforced Concrete Structures Based on Spatially Complex Strut-and-Tie-Models
Publications
All publications from M. Sc. Yinan XiaoPublications from M. Sc. Yinan Xiao
Publications
2026 | N. Hack, Y. Xiao, C. Jantzen, J. Tesche, K. Mawas , M. Gerke, P. D´Acunto: Design and fabrication of structures with graphic statics and augmented reality IASS 2024 Zurich Symposium, 2024, https://mediatum.ub.tum.de/node?id=1760208&change_language=en
Data | LeoPARD, 2026, https://doi.org/10.24355/dbbs.084-202606211131-0
is a civil engineer and doctoral researcher at the TU Braunschweig Institute for Structural Design (ITE). She is responsible for Project A10, where she is conducting research on Sprayed Earth Additive Manufacturing (SEAM). Her work involves exploring earthen construction techniques, enhancing the SEAM process, and optimizing material-process interactions. Within this project, she focuses on material development through experimental studies, data analysis, and investigating material behavior to identify and optimize the key parameters of the SEAM process.
Project(s)
Earth Additive Manufacturing (EAM) – Material and Process Combinations for AM with Earth-based Materials
Publications
All publications from M. Sc. Diana ZavaletaPublications from M. Sc. Diana Zavaleta
Publications
guides the scientific staff in the execution of the LPBF experiments.He provides guidance in methods for analysing the main mechanisms of action and the correlation of the results for the whole process chain. Head of iwb and supports the academic staff regarding additive manufacturing, alignment and execution of numerical heat transport simulations, questions during validation and process development.
Project(s)
Particle-Bed 3D Printing by Selective Cement Paste Intrusion (SPI) – Particle Surface Functionalisation, Particle Synthesis and Integration of WAAM Reinforcement
Laser Powder-Bed Fusion (LPBF) of Steel Elements for Construction – Basics of Design and Mechanical Resilience.
Publications
All publications from Prof. Dr.-Ing. Michael F. ZähPublications from Prof. Dr.-Ing. Michael F. Zäh
Publications
2025 | D. L. Wenzler, H. Jahns, J. Mueller, K. U. Beuerlein, F. Riegger, J. Diller, J. Unglaub, C. Radlbeck, J. Hensel, M. Mensinger, K. Thiele, M. F. Zaeh: Mechanical properties and microstructure of hybrid-manufactured 316 L using PBF-LB/M and DED-Arc/M The International Journal of Advanced Manufacturing Technology, 2025, pp. 1–12, https://doi.org/10.1007/s00170-025-15317-0.
Data | Zenodo, 2025, https://doi.org/10.5281/zenodo.14754610.
2024 | D. L. Wenzler, D. Rauner, H. Panzer, T. Mair, L. Kutscherauer, A. Wimmer, D. Wolf, S. Baehr, M. F. Zaeh: reAM250 — An open-source research platform for process monitoring and control in Powder Bed Fusion of Metals using a laser beam Procedia of 13th CIRP Conference on Photonic Technologies, 2024, https://doi.org/10.1016/j.procir.2024.08.121.
Data | An open-source research PBF-LB/M platform, GitHub, 2024, https://davidwenzler.github.io/reAM250/
2023 | A. Straßer, F. Riegger, L.D Hamilton, T. Kraenkel, C. Gehlen, M.F. Zaeh, A. Kwade: Selective Paste Intrusion: Integration of reinforcement by WAAM — Concept and current research with special attention to cooling strategies. Construction and Building Materials 2023, 406, 133236.
https://doi.org/10.1016/j.conbuildmat.2023.133236
2023 | K. Tischner, S. Rappl, F. Riegger, A. Strasser, K. Osterminski, T. Kraenkel, S. Baehr, M.F. Zaeh, C. Gehlen: Bond Behavior of WAAM Reinforcements in Comparison to Conventional Steel Reinforcements. In: Constr. Mater. 2023, 3, 217–232.
https://doi.org/10.3390/constrmater3020014
2023 | D. L. Wenzler, K. Beuerlein, D. Goetz, F. Zaeh: Overheating detection in the powder bed fusion of metals using a laser beam through local thermal resistance analysis. In: 17th CIRP Conference on Intelligent Computation in Manufacturing Engineering, 2023, submitted and accepted for publication in Procedia CIRP
2023 | Wenzler, D.L., Bergmeier, K., Baehr, S., Diller, J., Zaeh, M.F.: A Novel Methodology for the Thermographic Cooling Rate Measurement during Powder Bed Fusion of Metals Using a Laser Beam. In: Integrating Materials and Manufacturing Innovation. (2023) https://doi.org/10.1007/s40192-023-00291-w
2022 | Riegger, F.; Zäh, M. F.: Additive Fertigung von Stahlbewehrungen. In: Zeitschrift für wirtschaftlichen Fabrikbetrieb 117 (7-8), S. 448–451. (2022)
DOI: 10.1515/zwf-2022-1091
2022 | Harbig, J.; Wenzler, D.L.; Baehr, S.; Kick, M.K.; Merschroth, H.; Wimmer, A.; Weigold, M.; Zaeh, M.F.: Methodology to Determine Melt Pool Anomalies in Powder Bed Fusion of Metals Using a Laser Beam by Means of Process Monitoring and Sensor Data Fusion. In: Materials, 2022, 15, 1265. https://doi.org/10.3390/ma15031265
2020 | Weger, D.; Baier, D.; Straßer, A.; Prottung, S.; Kränkel, T.; Bachmann, A.; Gehlen, C.; Zäh, M.: Reinforced Particle-Bed Printing by Combination of the Selective Paste Intrusion Method with Wire and Arc Additive Manufacturing – A First Feasibility Study. In: RILEM Bookseries 28, pp. 978–987, 2020. – DOI: https://doi.org/10.1007/978-3-030-49916-7_95.
deputy director of the institute for particle technology, head of Division Powder and Slurry Processes, supports Prof. Kwade in leading the project.
Project(s)
Particle-Bed 3D Printing by Selective Cement Activation (SCA) – Sustainability, process enhancement and material models
Particle-Bed 3D Printing by Selective Cement Paste Intrusion (SPI) – Particle Surface Functionalisation, Particle Synthesis and Integration of WAAM Reinforcement
Publications
All publications from Dr.-Ing. Harald ZetzenerPublications from Dr.-Ing. Harald Zetzener
Publications
2025 | N. Meier, F. Herding, H. Zetzener, I. Mai, D. Lowke, A. Kwade: Surface modification of bulk material for particle bed 3D concrete printing – Effect on wettability, porosity, and mechanical properties Advanced Powder Technology, 2025, https://doi.org/10.1016/j.apt.2025.105123
Data |Zenodo, 2025, https://doi.org/10.5281/zenodo.17641009
2024 | L.D. Hamilton, H. Zetzener, A. Kwade: The effect of process parameters on the formulation of a dry water-in-air dispersion Advanced Powder Technology, 35(7), 2024. https://doi.org/10.1016/j.apt.2024.104553
Data | Dataset for the Processing of a Dry Water-in-Air Dispersion, LeoPARD, 2025, https://doi.org/10.24355/dbbs.084-202503271305-0.
2023 | D. Talke, B. Saile, N. Meier, F. Herding, I. Mai, H. Zetzener, A. Kwade, D. Lowke: Particle-bed 3D printing by selective cement activation – Influence of process parameters on particle-bed density. In: Cement and Concrete Research, 168. (2023)
https://doi.org/10.1016/j.cemconres.2023.107140
2022 | Hamilton, L. D.; Zetzener, H.; Kwade, A.: The Effect of Water, Nanoparticulate Silica and Dry Water on the Flow Properties of Cohesionless Sand. In: Processes 2022, 10, 2438. https://doi.org/10.3390/pr10112438

















