People
is a doctoral researcher at the Institute for Assembly Technology and Robotics within Leibniz University Hannover. His background in mechatronics and robotics drives his work on mobile robotics. By synergizing elements from computer science, control theory, and mechanical design he enhances robotic autonomy and efficiency to enable print-while-driving
Project(s)
Process Control and Adaptive Path Planning for Additive Manufacturing Processes Based on Industrial Robots with an Extended Degree of Freedom
Publications
All publications from M. Sc. Hauke HeerenPublications from M. Sc. Hauke Heeren
Publications
2024 | L. Lachmayer, J. Quantz, H. Heeren, T. Recker, R. Dörrie, H. Kloft, A. Raatz: A spatial multi-layer control concept for strand geometry control in robot-based additive manufacturing processes, Fourth RILEM International Conference on Concrete and Digital Fabrication Munich, RILEM Bookseries, vol 53, Springer, 2024, https://doi.org/10.1007/978-3-031-70031-6_14
has been working on additive manufacturing in construction for many years. This work also includes additive manufacturing with wood. He leads the project A08 and provides general guidance and support for the academic staff at HBB. In addition, he is responsible for the coordination of the proposed project within the TRR 277. He was a member of the AMC Board for the first funding period 2020-2023.
Publications
All publications from Dr.-Ing. Klaudius HenkePublications from Dr.-Ing. Klaudius Henke
Publications
2022 | Aßhoff, C.; Bunzel, F.; Buschmann, B.; Henke, K.; Talke, D.; Saile, B.: Additive Fertigung von Bauteilen aus Holz. In: Holz-Zentralblatt 2022, 33, 557
2021 | Aßhoff, C.; Bunzel, F.; Buschmann, B.; Henke, K.; Talke, D.; Saile, B.: Individual Layer Fabrication (ILF) – Additive Fertigung durch selektives Binden von Holzspänen zu Einzelschichten. In: Holztechnologie 2021, 62, 5
2021 | Buschmann, B.; Henke, K.; Talke, D.; Saile, B.; Asshoff, C.; Bunzel, F.: Additive Manufacturing of Wood Composite Panels for Individual Layer Fabrication (ILF). In: Polymers – Special Issue “3D Printing in Wood Science”, 13, 3423, 2021. DOI: https://doi.org/10.3390/polym13193423.
2021 | Dielemans, G., Briels, D., Jaugstetter, F., Henke, K., Dörfler, K.: Additive Manufacturing of Thermally Enhanced Lightweight Concrete Wall Elements with Closed Cellular Structures. In: Journal of Facade Design & Engineering, 9(1), 59–72. – DOI: https://doi.org/10.7480/jfde.2021.1.5418.
2021 | Henke, K.; Talke, D.; Buschmann, B.: Use of Wood in Additive Manufacturing in Construction. In: Proceedings of the 17th Rapid.Tech 3D Conference, Erfurt, Germany, 22 -23 June 2021, M. Kynast, Ed., München: Hanser, Carl, 2021, pp. 177–187.
2021 | Henke, K.; Talke, D.; Bunzel, F.; et al.: Individual layer fabrication (ILF): a novel approach to additive manufacturing by the use of wood. Eur. J. Wood Prod. – DOI: doi.org/10.1007/s00107-020-01646-2.
2021 | Kloft, H., Gehlen, C., Dörfler, K., Hack, N., Henke, K., Lowke, D., Mainka, J. and Raatz, A. (2021), TRR 277: Additive Fertigung im Bauwesen. In: Bautechnik, 98: 222-231. – DOI: https://doi.org/10.1002/bate.202000113.
is Professor for Welding Engineering at Chemnitz University of Technology and takes responsibility for the management of this project in terms of content and organisation as well as the cooperation with project partners within the TRR 277. Furthermore, he supervises the research assistant of WG Hensel for welding experiments, metallographic characterisation, numerical analysis and residual stress determination.
Project(s)
Wire and Arc Additive Manufacturing (WAAM) of Complex Individualized Steel Components
Publications from Univ.-Prof. Dr.-Ing. Jonas Hensel
Publications
2024 | J. Unglaub, M. Müggenburg, H. Jahns, H. Kloft, J. Hensel, K. Thiele: Towards a Digital Twin to Enable First Time Right DED-Arc Components, Fourth RILEM International Conference on Concrete and Digital Fabrication Munich, RILEM Bookseries, vol 53, Springer, 2024, https://doi.org/10.1007/978-3-031-70031-6 51
2024 | J. Müller, C. Goulas, J. Hensel: Analysis of thermal cycles during DED-Arc of high-strength low-alloy steel and microstructural evolution, Journal of Materials Research and Technology, 2024, https://doi.org/10.1016/j.jmrt.2024.07.066
2023 | Jahns, H.; Unglaub, J.; Müller, J.; Hensel, J.; Thiele, K. : Material Behavior of High-Strength Low-Alloy Steel (HSLA) WAAM Walls in Construction. In: Metals 13, 589. (2023.)
2023 | Müller, J., Hensel, J.: WAAM of structural components—building strategies for varying wall thicknesses. In: Weld World. (2023) https://doi.org/10.1007/s40194-023-01481-y
2022 | C. Müller, J. Müller, H. Kloft, and J. Hensel : Design of Structural Steel Components According to Manufacturing Possibilities of the Robot-Guided DED-Arc Process. In: Buildings, vol. 12, no. 12, p. 2154. (Dec. 2022.) doi: 10.3390/buildings12122154
2022 | Hensel, J., Müller, J., Scharf-Wildenhain, R. et al. : The effects of building position on surface and fatigue of DED-arc steel components. In: Weld World. (2022) https://doi.org/10.1007/s40194-022-01431-0
2022 | Hensel, J.; Przyklenk, A.; Müller, J.; Köhler, M.; Dilger, K.: Surface quality parameters for structural components manufactured by DED-arc processes. In: Materials and Design 215, 2022.
DOI: 10.1016/j.matdes.2022.110438
2022 | Hensel, J.; Przyklenk, A.; Müller, J.; Köhler, M.; Dilger, K.: Surface quality parameters for structural components manufactured by DED-arc processes, In: Materials and Design 215 (2022), DOI: 10.1016/j.matdes.2022.110438
2021 | Müller, J.; Hensel, J.; Dilger, K.: Mechanical properties of wire and arc additively manufactured high-strength steel structures. In: Welding in the World, DOI: 10.1007/s40194-021-01204-1.
2021 |Müller, J., Hensel, J., Dilger, K.: Schweißtechnische Verarbeitung von hochfestem Stahl als Aufbauwerkstoff beim Wire and Arc Additive Manufacturing. In: Fortschrittsberichte der Materialforschung und Werkstofftechnik / Bulletin of Materials Research and Engineering, Band 10, Clausthaler Zentrum für Materialtechnik (Hrsg.), Shaker Verlag Düren 2021 (ISBN: 978-3-8440-8021-6)
M. Sc. Friedrich Herding is a research associate in the working group of Prof. Dr.-Ing. Dirk Lowke. He is researching the material-process interaction in the SCA process.
Project(s)
Particle-Bed 3D Printing by Selective Cement Activation (SCA) – Sustainability, process enhancement and material models
Publications
All publications from M. Sc. Friedrich HerdingPublications from M. Sc. Friedrich Herding
Publications
2024 |F. Herding, D. Lowke: Improving the dimensional accuracy in selective cement activation by w/c-ratio gradation, Fourth RILEM International Conference on Concrete and Digital Fabrication Munich, RILEM Bookseries, vol 53, Springer, https://doi.org/10.1007/978-3-031-70031-6_43
2024 |J. Fleckenstein, B. Knychalla, D. Briels, A. Baghdadi, G. Placzek, F. Herding, P. Schwerdtner, T. Auer, D. Lowke, H. Kloft, K. Dörfler, P. Ayres, M. R. Thomsen, B. Sheil, M. Skavara: BREUER X AM: Functional hybridisation in concrete building envelope elements through additive manufacturing, Fabricate 2024: Creating Resourceful Futures, UCL Press, 2024, 196–205, https://doi.org/10.2307/jj.11374766.29
2024 | J. Hitzegrad, L. Brohmann, F. Herding, K. Pfennings, S. Jonischkies, E. Scharnbeck, J. Mainka, I. Mai, C. Windt, H. Kloft, A. Wehrmann, D. Lowke, N. Goseberg: Surfaces of coastal biogenic structures: exploiting advanced digital design and fabrication strategies for the manufacturing of oyster reef and mussel bed surrogates, Front. Mar. Sci., 11:1395025, 2024, https://doi.org/10.3389/fmars.2024.1395025
2023 | F. Herding, A. Strasser, D. Briels, D. Lowke, T. Kränkel: Experimental results for mechanical and thermal properties of SCA material, Dataset, TUM: Munich, 2023, https://doi.org/10.14459/2023mp1720074
2023 | D. Briels, M. Renz, A. Nouman, A. Straßer, M. Hechtl, M. Dahlenburg, B. Knychalla, P. Sonnleitner, F. Herding, J. Fleckenstein, E. Krakovská, K. Dörfler, T. Auer: Monolithic AM Façade: Multi-Objective Parametric Design Optimization of Additively Manufactured Insulating Wall Elements. In: Frontiers in Built Environment ., vol. 9, 2023 doi: 10.3389/fbuil.2023.1286933
2023 | F. Herding, I. Mai, D. Lowke: Reduction of the cement content in Selective Cement Activation. In: ibausil 2023
https://doi.org/10.1002/cepa.2826
2023 | F. Herding, I. Mai, D. Lowke: Effect of Grain Size and Layer Thickness on Hardened State Properties in Selective Cement Activation. In: ibausil 2023
https://doi.org/10.1002/cepa.2816
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 | Herding, F., Mai, I., Lowke, D.: Effect of Curing in Selective Cement Activation. In: Buswell, R., Blanco, A., Cavalaro, S., Kinnell, P. (eds) Third RILEM International Conference on Concrete and Digital Fabrication. DC 2022. RILEM Bookseries, vol 37. Springer, Cham.
https://doi.org/10.1007/978-3-031-06116-5_42
2022 | Lowke, D.; Mai, I.; Keita, E.; Perrot, A.; Weger, D.; Gehlen, C.; Herding, F.; Zuo, Wenqiang; Roussel, N.: Material-process interactions in particle bed 3D printing and the underlying physics. In: Cement and Concrete Research, CCR 156 (106748), 2022
https://doi.org/10.1016/j.cemconres.2022.106748
2022 | Mai, I., Herding, F., Lowke, D.: Evaluating the Effect of Methyl Cellulose on Hardened State Properties in Selective Cement Activation. In: Buswell, R., Blanco, A., Cavalaro, S., Kinnell, P. (eds) Third RILEM International Conference on Concrete and Digital Fabrication. DC 2022. RILEM Bookseries, vol 37. Springer, Cham.
https://doi.org/10.1007/978-3-031-06116-5_43
Kevin Hoefer works as a post-doc at the Chair of Welding Technology and is responsible for the department “Materials and Design”. In the project, he supports Prof. Jonas Hensel in the administration and management of A07, in particular in the areas of welding experiments, metallographic characterisation and residual stress determination.
Project(s)
Wire and Arc Additive Manufacturing (WAAM) of Complex Individualized Steel Components
Publications
All publications from Dr. Kevin HöferPublications from Dr. Kevin Höfer
Publications
leads the iAF scientific staff in the development and construction of the winding head, the manufacturing process of the reinforcement from FRP with different curing resins, and in questions of the damage of the FRP by the shotcreting process.
Project(s)
Integration of Individualized Prefabricated Fibre Reinforcement in Additive Manufacturing with Concrete
Publications
All publications from Prof. Dr.-Ing. Christian HühnePublications from Prof. Dr.-Ing. Christian Hühne
Publications
2023 | T. Rothe, S. Gantner, N. Hack, C. Hühne: A Dynamic Winding Process of Individualized Fibre Reinforcement Structures for Additive Manufacturing in Construction. Open Conference Proceedings (2023)
2023 | T. Rothe, J. Pösch, S. Gantner, N. Hack, C. Hühne: Optimization of tensile properties and bond behaviour to concrete of fibre reinforcement strands produced within a dynamic fibre winding process. In: 11th International Conference on Fiber-Reinforced Polymer (FRP) Composites in Civil Engineering (CICE 2023), Rio de Janeiro, Brazil. 2023, July
https://doi.org/10.5281/zenodo.8133237
2022 | Gantner, S., Rennen, P., Rothe, T., Hühne, C., & Hack, N.: Core Winding: Force-Flow Oriented Fibre Reinforcement in Additive Manufacturing with Concrete. In: RILEM International Conference on Concrete and Digital Fabrication (pp. 391-396), (2022) Springer, Cham
2021 | Gantner, S.; Rothe, T.; Hühne, C.; Hack, N.: Reinforcement strategies for additive manufacturing in construction based on Dynamic Fibre Winding: Concepts and initial case studies. In: Vision and Strategies for Reinforcing Additively Manufactured Concrete Structures, Conference, Dresden, Germany, 2021.
2021 | Hack, N.; Bahar, M.; Hühne, C.; Lopez, W.; Gantner, S.; Khader, N.; Rothe, T.: Development of a Robot-Based Multi-Directional Dynamic Fiber Winding Process for Additive Manufacturing Using Shotcrete 3D Printing. In: Fibers 2021, 9, 39, 2021. – DOI: https://doi.org/10.3390/fib9060039.
is junior research group leader at the IWF. Together with Prof. Raatz, he is responsible for the proposed project and its coordination within the TRR 277. He will guide the IWF-staff related to the project and decide about research actions in terms of numerical investigations and model reduction.
Project(s)
Process Control and Adaptive Path Planning for Additive Manufacturing Processes Based on Industrial Robots with an Extended Degree of Freedom
Publications
All publications from Dr.-Ing. André HürkampPublications from Dr.-Ing. André Hürkamp
Publications
2024 | L. Lachmayer, T. Recker, V. Ekanayaka, A. Hürkamp, A. Raatz: Multi-model based additive manufacturing: A framework for automated large-scale 3D concrete printing with industrial robots, Proceedings of 2024 IEEE 20th International Conference on Automation Science and Engineering (CASE), https://doi.org/10.1109/CASE59546.2024.10711326
2023 |A. Hürkamp, V. Ekanayaka: A novel surrogate modelling approach for additive manufacturing processes in: PAMM (2023)
2023 |V. Ekanayaka, A. Hürkamp: Modeling of additive manufacturing processes with time-dependent material properties using physics-informed neural networks. In: PAMM (2023)
2022 | Ekanayaka, V.; Hürkamp, A. : Implementation of a surrogate model for a novel path-based finite element simulation for additive manufacturing processes in construction. In: PAMM. (2022.)
2022 | Ekanayaka, V.; Lachmayer, L.; Raatz, A; Hürkamp, A.: Approach to optimize the interlayer waiting time in additive manufacturing with concrete utilizing FEM modeling. In: Procedia CIRP Design, 2022
https://doi.org/10.1016/j.procir.2022.05.295
2021 | Lachmayer, L.; Ekanayaka, V.; Hürkamp, A.; Raatz, A.: Approach to an optimized printing path for additive manufacturing in construction utilizing FEM modeling. In: Procedia CIRP CMS, 2021.
is a postdoctoral researcher at TU Berlin, working on Injection 3D Concrete Printing (I3DCP). This is a new process for which all characterisation methods need to be adapted and for which there are numerous new challenges. The research activities include developing new equipment, working on new process workflows and developing operational tools for this specific process.
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 Dr. Yohan JacquetPublications from Dr. Yohan Jacquet
Publications
doctoral researcher at IS. He is responsible for the planning and execution of all scientific work, both numerical and experimental, in the framework of WAAM. This includes material and component testing, material modeling, analysis all data, prepares reports, presentations and publications.
Project(s)
Wire and Arc Additive Manufacturing (WAAM) of Complex Individualized Steel Components
Publications
All publications from M. Sc. Hendrik JahnsPublications from M. Sc. Hendrik Jahns
Publications
2024 | J. Unglaub, M. Müggenburg, H. Jahns, H. Kloft, J. Hensel, K. Thiele: Towards a Digital Twin to Enable First Time Right DED-Arc Components, Fourth RILEM International Conference on Concrete and Digital Fabrication Munich, RILEM Bookseries, vol 53, Springer, 2024, https://doi.org/10.1007/978-3-031-70031-6 51
2023 | Jahns, H.; Unglaub, J.; Müller, J.; Hensel, J.; Thiele, K. : Material Behavior of High-Strength Low-Alloy Steel (HSLA) WAAM Walls in Construction. In: Metals 13, 589. (2023.)
2022 | Jahns, H., Unglaub, J., Thiele, K.: Einfluss von Geometrie- und Fertigungsrestriktionen auf die mechanische Festigkeit von WAAM-Bauteilen. In: DGM-Informationsgesellschaft (Hg.): 3. Fachtagung Werkstoffe und Additive Fertigung 11. – 13. Mai 2022
Philipp Jakobs is a doctoral candidate and research associate at the Chair of Structural Analysis at the TUM School of Engineering and Design, supervised by Prof. Dr. Roland Wüchner. His research is dedicated to advancing a Continuous Optimization Approach within the framework of the C02 project. With a strong background in computational mechanics and structural optimisation, his work complements the effort to formulate a Holistic Design Framework (HDF), integrating architectural, structural, and fabrication considerations to advance design solutions for additively manufactured structures.
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. Philipp JakobsPublications from M. Sc. Philipp Jakobs
Publications
is Professor at the Institute of Applied Mechanics (IAM) –Technical University of Braunschweig . In his habilitation the focus is on computational homogenization and reduced order modelling of diffusion processes in fluid-saturated porous media.
Project(s)
Material Modelling and Simulation of Deposition AM Processes on the Part Scale
Publications from Prof. Dr.-Ing. Ralf Jänicke
is a research associate at the Chair of Welding Engineering at Chemnitz University of Technology. His focus is process analysis of arc-processes. He is particularly concerned with sensor integration and anomaly detection in arc-welding processes and additive manufacturing with wire and arc (DED-Arc).
Project(s)
Wire and Arc Additive Manufacturing (WAAM) of Complex Individualized Steel Components
Publications
All publications from M. Sc. Florian JurkePublications from M. Sc. Florian Jurke
Publications
is Professor at the School of Social Science and Technology ( Department of Educational Sciences) –Technical University of Munich. In her research she focuses on Education and learning Sciences.
Project(s)
Learning, Sustainability, Design: Gender-equitable introduction of AMC to the public
Publications
All publications from Prof. Dr. Anna KeunePublications from Prof. Dr. Anna Keune
Publications
leads the scientific staff in the orientation and execution of the design process creation and supports them in an advisory capacity in the creation of test geometries and demonstrators. He is responsible for the content and organisational coordination of all work on the part of ITE. He instructs the research engineer at ITE in the conceptual structure, execution and evaluation of the theoretical and experimental research work. He is the spokesperson of the TRR 277.
Project(s)
Integrated Additive Manufacturing Processes for Reinforced Shotcrete 3D Printing (SC3DP) Elements with Precise Surface Quality
Wire and Arc Additive Manufacturing (WAAM) of Complex Individualized Steel Components
Earth Additive Manufacturing (EAM) – Material and Process Combinations for AM with Earth-based Materials
Jointing Principles for Combination of Concrete Elements Produced by Different Additive Manufacturing Processes
Central Tasks of the AMC
Publications
All publications from Prof. Dr.-Ing. Harald KloftPublications from Prof. Dr.-Ing. Harald Kloft
Publications
2024 |J. Fleckenstein, B. Knychalla, D. Briels, A. Baghdadi, G. Placzek, F. Herding, P. Schwerdtner, T. Auer, D. Lowke, H. Kloft, K. Dörfler, P. Ayres, M. R. Thomsen, B. Sheil, M. Skavara: BREUER X AM: Functional hybridisation in concrete building envelope elements through additive manufacturing, Fabricate 2024: Creating Resourceful Futures, UCL Press, 2024, 196–205, https://doi.org/10.2307/jj.11374766.29
2024 | J. Unglaub, M. Müggenburg, H. Jahns, H. Kloft, J. Hensel, K. Thiele: Towards a Digital Twin to Enable First Time Right DED-Arc Components, Fourth RILEM International Conference on Concrete and Digital Fabrication Munich, RILEM Bookseries, vol 53, Springer, 2024, https://doi.org/10.1007/978-3-031-70031-6 51
2024 | L. Lachmayer, J. Quantz, H. Heeren, T. Recker, R. Dörrie, H. Kloft, A. Raatz: A spatial multi-layer control concept for strand geometry control in robot-based additive manufacturing processes, Fourth RILEM International Conference on Concrete and Digital Fabrication Munich, RILEM Bookseries, vol 53, Springer, 2024, https://doi.org/10.1007/978-3-031-70031-6_14
2024 | L. Lachmayer, T. Recker, L. Dittrich, R. Dörrie, H. Kloft, A. Raatz: Inline image-based reinforcement detection for concrete additive manufacturing processes using a convolutional neural network, Proceedings of the 41st ISARC,2024 https://doi.org/10.22260/ISARC2024/0007
2024 | J. Hitzegrad, L. Brohmann, F. Herding, K. Pfennings, S. Jonischkies, E. Scharnbeck, J. Mainka, I. Mai, C. Windt, H. Kloft, A. Wehrmann, D. Lowke, N. Goseberg: Surfaces of coastal biogenic structures: exploiting advanced digital design and fabrication strategies for the manufacturing of oyster reef and mussel bed surrogates, Front. Mar. Sci., 11:1395025, 2024, https://doi.org/10.3389/fmars.2024.1395025
2023 | R. Dörrie, N. Freund, E. Herrmann, A. Baghdadi, I., Mai, F. Galli, M. David, K. Dröder, D. Lowke, H. Kloft: Automated force-flow-oriented reinforcement integration for Shotcrete 3D Printing. In: Automation in Construction, 155, p.105075, https://doi.org/10.1016/j.autcon.2023.105075
https://doi.org/10.3390/buildings12111806
2022 | R. Dörrie, V. Laghi, L. Arrè, G. Kienbaum, N. Babovic, N. Hack, H. Kloft: Combined Additive Manufacturing Techniques for Adaptive Coastline Protection Structures. In: Buildings, vol. 12, no. 11, p. 1806, 2022.
https://doi.org/10.3390/buildings12111806
2022 | R. Dörrie, and H. Kloft: Force-Flow compliant robotic path planning approach for reinforced concrete elements. In Proc. Int. Conf. on Concrete and Digital Fabrication, 2022, pp. 370-375.
2022 | C. Müller, J. Müller, H. Kloft, and J. Hensel : Design of Structural Steel Components According to Manufacturing Possibilities of the Robot-Guided DED-Arc Process. In: Buildings, vol. 12, no. 12, p. 2154. (Dec. 2022.) doi: 10.3390/buildings12122154
2022 | Lachmayer L., Dörrie R., Kloft H., Raatz A.: Process Control for Additive Manufacturing of Concrete Components. In: RILEM Bookseries Vol. 37, pp. 351-356, (3rd RILEM International Conference on Concrete and Digital Fabrication (DC 2022), England), (6 pages), https://doi.org/10.1007/978-3-031-06116-5_52
2022 | Lowke, D.; Gehlen, C.; Kloft, H.; Freund, N.; Matthäus, C.: Bewehrungskonzepte beim 3D-Druck von Konstruktionsbeton. In: BfT International, 02.2021, S. 92.
2022 | Lanwer, J.-P.; Weigel, H.; Baghdadi, A.; Empelmann, M.; Kloft, H.: Jointing Principles in AMC—Part 1: Design and Preparation of Dry Joints. In: Applied Sciences, 2022, 12, 4138
https://doi.org/10.3390/app12094138
2022 | Buswell, R. A.; Bos, F. P.; Leal da Silva, W. R.; Hack, N.; Kloft, H.; Lowke, D.; Freund, N.; Fromm, A.; Dini, E.; Wangler, T.; Lloret-Fritschi, E.; Schipper, R.; Mechtcherine, V.; Perrot, A.; Vasilic, K.; Roussel, N.: Digital Fabrication with Cement-Based Materials: Process Classification and Case Studies. In: Roussel, N. and Lowke, D. (2022). Digital Fabrication with Cement-Based Materials (Reports 36). RILEM State-of-the-Art. DOI: https://doi.org/10.1007/978-3-030-90535-4_2
2022 | Asprone, D.; Menna, C.; Bos, F.; Mata-Falcón, J.; Ferrara, L.; Auricchio, F.; Cadoni, E.; Cunha, V. M. C. F.; Esposito, L.; Fromm, A.; Grünewald, S.; Kloft, H.; Mechtcherine, V.; Naidu Nerella, V.; Schipper, R.: Structural Design and Testing of Digitally Manufactured Concrete Structures. In: Roussel, N. and Lowke, D. (2022). Digital Fabrication with Cement-Based Materials (Reports 36). RILEM State-of-the-Art. DOI: https://doi.org/10.1007/978-3-030-90535-4_6
2021 | Mai, I.; Brohmann, L.; Freund, N.; Gantner, S.; Kloft, H.; Lowke, D.; Hack, N.: Large Particle 3D Concrete Printing – A Green and Viable Solution. In: Materials, 14, 6125, 2021. DOI: https://doi.org/10.3390/ma14206125.
2021 | Mechtcherine, V.; Buswell, R.; Kloft, H.; Bos, F. P.; Hack, N.; Wolfs, R.; Sanjayan, J.; Nematollahi, B.; Ivaniuk, E.; Neef, T.: Integrating reinforcement in digital fabrication with concrete: A review and classification framework. In: Cement and Concrete Composites, 119, 2021. – DOI: https://doi.org/10.1016/j.cemconcomp.2021.103964.
2021 | Lachmayer, L.; Dörrie, R.; Kloft,H.; Raatz, A.: Automated shotcrete 3D printing – Printing interruption for extended component complexity. In: ISARC, 2021.
2021 | Baghdadi, A.; Doerrie, R.; Kloft, H.: New calculation approach for selecting and orienting the reinforcing material for robotic concrete manufacturing. In: Proceedings of the IASS Annual Symposium 2020/21 and the 7th International Conference on Spatial Structures Inspiring the Next Generation. 23 – 27 August, Guilford, UK, 2021.
2021 | Baghdadi, A.; Meshkini, A.; Kloft, H.: Parametric design of in-plane concrete dry joints by FE method and Fuzzy logic toward utilising additive manufacturing technique. In: Proceedings of the IASS Annual Symposium 2020/21 and the 7th International Conference on Spatial Structures Inspiring the Next Generation. 23 – 27 August, Guilford, UK, 2021.
2021 | Baghdadi, A.; Meshkini, A.; Kloft, H.: Inspiration of Interlocking Wooden Puzzles for Precast Concrete Construction Conceptual Design of Structures. In: International fib Symposium, September 16-18, Switzerland, 2021.
2021 | Lowke, D.: Injection 3D concrete printing in a carrier liquid – Underlying physics and applications to lightweight space frame structures. In: Cement and Concrete Composites, 2021. – DOI: https://doi.org/10.1016/j.cemconcomp.2021.104169.
2021 | Lowke, D.; Gehlen, C.; Kloft, H.; Freund, N.; Matthäus, C.: Bewehrungskonzepte beim 3D-Druck von Konstruktionsbeton. In: BfT International, 02.2021, S. 92, 2021.
2021 | Alaimo, G.; Carraturo, M.; Korshunova, N.; Kollmannsberger, S.: Numerical evaluation of high cycle fatigue life for additively manufactured stainless steel 316L lattice structures. In: Material Design and Processing Communication 3 (4), pp. e249, Wiley, 2021. – DOI: 10.1002/mdp2.249.
2021 | Empelmann, M.; Kloft, H.: Practical solutions in additive manufacturing – Innovative jointing principles. In: BFT International 87, Issue 2, p. 93.
2021 | Kloft, H., Gehlen, C., Dörfler, K., Hack, N., Henke, K., Lowke, D., Mainka, J. and Raatz, A. (2021), TRR 277: Additive Fertigung im Bauwesen. In: Bautechnik, 98: 222-231. – DOI: https://doi.org/10.1002/bate.202000113.
2020 | Hack, N.; Kloft, H.; Lowke, D.: Additive Fertigung im Bauwesen: 3D-Betondruck als eine Schlüsseltechnologie für die Digitalisierung der Bauwirtschaft. In: Ingenieurbaukunst 2020 – Made in Germany, Jahrbuch der Bundesingenieurkammer, S. 178-183, 2020.
2020 | Buswell, R.; Kinnell, P.; Xu, J.; Hack, N.; Kloft, H.; Maboudi, M.; Gerke, M.; Massin, P.; Grasser, G.; Wolfs, R.; Bos, F.: Inspection Methods for 3D Concrete Printing. In: RILEM Bookseries 28, pp. 790-803, 2020. – DOI: https://doi.org/10.1007/978-3-030-49916-7_78.
2020 | Kloft, H.; Krauss, H.-W.; Hack, N.; Herrmann, E.; Neudecker, S.; Varady, P.; Lowke, D.: Influence of process parameters on the interlayer bond strength of concrete elements additive manufactured by Shotcrete 3D Printing (SC3DP). In: Cement and Concrete Research 134, 2020. – DOI: https://doi.org/10.1016/j.cemconres.2020.106078.
2020 | Kloft, H.; Empelmann, M.; Hack, N.; Herrmann, E. Lowke, D.: Bewehrungsstrategien für den Beton-3D-Druck. In: Beton- und Stahlbetonbau 115, 2020. – DOI: https://onlinelibrary.wiley.com/doi/epdf/10.1002/best.202000032.
2020 | Baghdadi, A.; Heristchian, M.; Ledderose, L.; Kloft, H.: Experimental and numerical assessment of new precast concrete connections under bending loads. In: Engineering Structures 212, ELSEVIER, 2020. – DOI: https://doi.org/10.1016/j.engstruct.2020.110456.
2020 | Hack, N.; Dressler, I.; Brohmann, L.; Gantner, S.; Lowke, D.; Kloft, H.: Injection 3D Concrete Printing (I3DCP): Basic Principles and Case Studies. In: Materials 2020, 13, 1093, 2020. – DOI: https://doi.org/10.3390/ma13051093.
is Professor at Bauhaus-University Weimar and is Head of the Chair of Data Science in Civil Engineering. He was head of the work group ‘Simulation in Applied Mechanics’ at the Chair of Computational Modeling and Simulation and has a fifteen year-long scientific record in that field. In this project, he is responsible for the development of simulation methods for metal based artefacts.
Project(s)
Material Modelling and Simulation of Deposition AM Processes on the Part Scale
Bridging Scales – From Geometric Part Details to Construction Elements
Publications from Prof. Dr.-Ing. habil. Stefan Kollmannsberger
Publications
2024 | R. De Biasi, O. Oztoprak, F. Zanini, S. Carmignato, S. Kollmannsberger, M. Benedetti: Predicting fatigue life of additively manufactured lattice structures using the image-based Finite Cell Method and average strain energy density, Materials & Design, 2024, https://doi.org/10.1016/j.matdes.2024.113321
2024 | L. Herrmann, A. Daneshyar, S. Kollmannsberger: The discontinuous strain method: accurately representing fatigue and failure, Computational Mechanics, 2024, https://doi.org/10.1007/s00466-024-02526-9
2024 | A. Henkes, L. Herrmann, H. Wessels, S. Kollmannsberger: Generative adversarial networks enable outlier detection and property monitoring for additive manufacturing of complex structures, Engineering Applications of Artificial Intelligence, 2024, 108993, https://doi.org/10.1016/j.engappai.2024.108993
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 | C. Faßbender, T. Bürchner, P. Kopp, E. Rank, S. Kollmannsberger: Implicit-explicit time integration for the immersed wave equation. Computers & Mathematics with Applications 163 (2024) 1–13.
https://doi.org/10.1016/j.camwa.2024.02.049
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
2023 | Oztoprak, O.; Slepicka, M.; Aninger, A.L.; Kollmannsberger, S.; Rank, E.; Borrmann, A.: Linking Fabrication Information Modeling and Finite Cell Method for simulating the behavior of additively manufactured building components. In: EG-ICE Conference, 2023.
2023 | A. Daneshyar, L. Herrmann, S. Kollmannsberger: From ductile damage to unilateral contact via a point-wise implicit discontinuity. In: Computational Mechanics, 2023, Sep.
doi: 10.1007/s00466-023-02392-x
2023 | O. Oztoprak, A. Paolini, P. D’Acunto, E. Rank, S. Kollmannsberger: Two-scale analysis of spaceframes with complex additive manufactured nodes. In: Engineering Structures, vol. 289, p. 116283, Aug. 2023,
doi: 10.1016/j.engstruct.2023.116283
2022 | Briels, D.; Kollmannsberger, S.; Leithner, F.; Matthäus, C.; Nouman, A.S.; Oztoprak, O.; Rank, E.: Thermal Optimization of Additively Manufactured Lightweight Concrete Wall Elements with Internal Cellular Structure through Simulations and Measurements. In: Buildings 2022, 12, 1023,
https://doi.org/10.3390/buildings12071023
2022 | D’Angella, D., Kollmannsberger, S., Reali, A., Rank, E., Hughes, T. J. R.: An accurate strategy for computing reaction forces and fluxes on trimmed locally refined meshes. In: Journal of Mechanics, vol. 38, pp. 60–76, Apr. 2022
http://doi: 10.1093/jom/ufac006
2021 | Alaimo, G.; Carraturo, M.; Korshunova, N.; Kollmannsberger, S.: Numerical evaluation of high cycle fatigue life for additively manufactured stainless steel 316L lattice structures. In: Material Design and Processing Communication 3 (4), pp. e249, Wiley, 2021. – DOI: 10.1002/mdp2.249.
2021 | Jomo, J.; Oztoprak, O.; de Prenter, F.; Zander, N.; Kollmannsberger, S.; Rank, E.: Hierarchical multigrid approaches for the finite cell method on uniform and multi-level hp-refined grids. In: Computer Methods in Applied Mechanics and Engineering 386, pp. 114075, 2021. – DOI: 10.1016/j.cma.2021.114075.
2021 | Paolini, A.; Korshunova, N.; Kollmannsberger, S.; Rank, E.: Multiscale analysis of high damping composites using the finite cell and the mortar method. In: International Journal of Structural Stability and Dynamics, 2021. – DOI: 10.1142/S0219455421501492.
2021 | Korshunova, N.; Papaioannou, I.; Kollmannsberger S.; Straub, D.; Rank, E.: Uncertainty quantification of microstructure variability and mechanical behavior of additively manufactured lattice structures. In: Computer Methods in Applied Mechanics and Engineering 385 (1), pp. 114049, 2021. – DOI: https://doi.org/10.1016/j.cma.2021.114049.
2021 | Korshunova, N.; Alaimo, G.; Hosseini, S. B.; Carraturo, M.; Reali, A.; Niiranen, J.; Auricchio, F.; Rank, E.; Kollmannsberger, S.: Bending behavior of octet-truss lattice structures: modelling options, numerical characterization and experimental validation. In: Materials & Design, 2021.
2021 | Korshunova, N.; Alaimo, G.; Hosseini, S.; Carraturo, M.; Reali, A.; Niiranen, J.; Auricchio, F.; Rank, E.; Kollmannsberger, S.: A CT-based numerical characterization of tensile behavior of additively manufactured octet-truss structures and its experimental validation. In: Additive Manufacturing, p. 101949, 2021. – DOI: https://doi.org/10.1016/j.addma.2021.101949.
2020 | Wassermann, B.; Korshunova, N.; Kollmannsberger, S.; Rank, E.; Elber, G.: Finite Cell Method for functionally graded materials based on V-models and homogenized microstructures. In: Advanced Modeling and Simulation in Engineering Sciences (7), pp. 49, 2020. – DOI: 10.1186/s40323-020-00182-1.
is developing efficient finite element methods for engineering applications at the Chair of Data Science in Civil Engineering of the Bauhaus-Universität Weimar. One of his research areas is the spatiotemporally adaptive resolution and numerical optimization of additive manufacturing processes. He also focusses on immersed simulations of 3D-printed geometries and on spectral element or spectral cell methods for inverse problems in non-destructive testing.
Publications
All publications from Dr.-Ing. Philipp KoppPublications from Dr.-Ing. Philipp Kopp
Publications
is responsible for WPs 3-5 and contributes to HPC and setup related aspects of the corresponding simulations. He advises Dr. Kutscher in conducting the simulations and the analysis of the results. He also takes responsibility for the data exchange with other projects within the TRR.
Project(s)
Modelling and Simulation of Shotcrete 3D Printing (SC3DP) Based on a Massively Parallel Multi-Phase, Multi-Component Coupled LBM-DEM Approach
Publications from Prof. Dr.-Ing. Manfred Krafczyk
Publications
2021 | Geier, M.; Kutscher, K.; Krafczyk, M.: A Direct Effective Viscosity Approach for Modeling and Simulating Bingham Fluids with the Cumulant Lattice Boltzmann Method. In: Open Journal of Fluid Dynamics 11.01, 34, 2021. – DOI: https://www.scirp.org/html/3-2320649_107771.htm.
2021 | Lallemand, P.; Luo, L.; Krafczyk, M.; Yong, W.: The lattice Boltzmann method for nearly incompressible flows. In: Journal of Computational Physics 431. – DOI: doi.org/10.1016/j.jpc.2020.109713.
is a researcher at the TT Professorship for Digital Fabrication within TUM. She received her architecture master’s degree at TUM in 2022, focusing on computational methods in architecture. Project(s) Project A 10 Earth Additive Manufacturing (EAM) – Material and Process Combinations for AM with Earth-based Materials
Project(s)
Earth Additive Manufacturing (EAM) – Material and Process Combinations for AM with Earth-based Materials
Publications
All publications from M. Sc. Ema KrakovskaPublications from M. Sc. Ema Krakovska
Publications
2023 | D. Briels, M. Renz, A. Nouman, A. Straßer, M. Hechtl, M. Dahlenburg, B. Knychalla, P. Sonnleitner, F. Herding, J. Fleckenstein, E. Krakovská, K. Dörfler, T. Auer: Monolithic AM Façade: Multi-Objective Parametric Design Optimization of Additively Manufactured Insulating Wall Elements. In: Frontiers in Built Environment ., vol. 9, 2023 doi: 10.3389/fbuil.2023.1286933
Head of workgroup concrete technology and assists Prof. Gehlen in leading project A02. He instructs and supports the academic staff regarding additive manufacturing and concrete technological questions.
Project(s)
Particle-Bed 3D Printing by Selective Cement Paste Intrusion (SPI) – Particle Surface Functionalisation, Particle Synthesis and Integration of WAAM Reinforcement
Extrusion of Near-Nozzle Mixed Concrete –Individually Graded in Density and in Rate of 3D Fibre Reinforcement
Publications
All publications from Dr.-Ing. Thomas KränkelPublications from Dr.-Ing. Thomas Kränkel
Publications
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 | F. Herding, A. Strasser, D. Briels, D. Lowke, T. Kränkel: Experimental results for mechanical and thermal properties of SCA material, Dataset, TUM: Munich, 2023, https://doi.org/10.14459/2023mp1720074
2023 | A. Strasser, D. Briels, T. Kränkel, P. Sonnleitner, C. Wiesner, B. Knychalla: Thermal conductivity assessment of SCA material with lightweight expanded glass aggregate, Dataset, TUM: Munich, 2023, https://doi.org/10.14459/2023mp1720075
2023 | A. Straßer, T. Kränkel. C. Gehlen: Integrating Wire Arc Additive Manufacturing into Selective Paste Intrusion for Reinforced Concrete Elements: Effect of Temperature on the Mechanical Performance. In: ibausil 2023
2023 | A. Straßer, A. Haynack, T. Kränkel, C. Gehlen: Additive Manufacturing by the Selective Paste Intrusion Method: Effect of the Distance of the Print NozzIe to the Particle bed on the Print Quality. In: Preprints 2023, 2023030236.
https://doi.org/10.20944/preprints202303.0236.v1
2022 | Straßer, A.; Weger, D.; Matthäus, Carla; Kränkel, T.; Gehlen, C.: Combining Wire and Arc Additive Manufacturing and Selective Paste Intrusion for Additively Manufactured Structural Concrete. In: Visions and Strategies for Reinforcing Additively Manufactured Concrete Structures 61-72 (2022)
2022 | Straßer, A.; Matthäus, Carla; Weger, D.; Kränkel, T.; Gehlen, C.: Selective Paste Intrusion: Stability of Cement Paste Mixtures Towards Changing Ambient Temperature. In: Third RILEM International Conference 296–301 (2022)
2021 | Weger, D.; Pierre, A.; Perrot, A.; Kränkel, T.; Lowke, D.; Gehlen, C.: Penetration of Cement Pastes into Particle-Beds: A Comparison of Penetration Models. In: Materials 2021, 14, 389. – DOI: https://doi.org/10.3390/ma14020389.
2020 | Matthäus, C.; Kofler, N.; Kränkel, T.; Weger, D.; Gehlen, C.: Interlayer Reinforcement Combined with Fiber Reinforcement for Extruded Lightweight Mortar Elements. In: Materials 2020, 13, 4778, 2020. – DOI: https://doi.org/10.3390/ma13214778.
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.
is the lead developer of the VirtualFluids software. In this function he is indispensable for the project as a new doc. res. could not possibly extend the existing framework (>700,000 lines of code) with the new models to be developed and adapted in WP 1-4. He is also experienced in conducting massively parallel runs on THIER-0 systems and analyzing huge data sets with more than 10 degrees of freedom.
Project(s)
Modelling and Simulation of Shotcrete 3D Printing (SC3DP) Based on a Massively Parallel Multi-Phase, Multi-Component Coupled LBM-DEM Approach
Publications
All publications from Dr.-Ing. Konstantin KutscherPublications from Dr.-Ing. Konstantin Kutscher
Publications
2021 | Geier, M.; Kutscher, K.; Krafczyk, M.: A Direct Effective Viscosity Approach for Modeling and Simulating Bingham Fluids with the Cumulant Lattice Boltzmann Method. In: Open Journal of Fluid Dynamics 11.01, 34, 2021. – DOI: https://www.scirp.org/html/3-2320649_107771.htm.