Publikationen

Effect of loading rate, viscosity, and binder activation on the bending response of an infiltrated UD-NCF
Portela, R. M.; Schäfer, B.; Kärger, L.; Faria, A. R. de; Montesano, J.
2026. Composites Part A: Applied Science and Manufacturing, 200, Art.-Nr.: 109347. doi:10.1016/j.compositesa.2025.109347

Rate-dependent 3D forming simulation of thermoplastic composite materials using visco-hyperelastic material modeling and 3D hexahedral solid-shell elements
Mitsch, J.; Schäfer, B.; Kärger, L.
2026. Composites Part A: Applied Science and Manufacturing, 200, 109306. doi:10.1016/j.compositesa.2025.109306

Macroscopic forming simulation of unidirectional non-crimp fabrics: Hyperelastic material modeling and 3D-solid-shell approach. Dissertation
Schäfer, B. B. J.
2025. KIT Scientific Publishing. doi:10.5445/KSP/1000180606

3D solid-shell element for macroscopic composite forming simulation enabling thickness prediction
Schäfer, B.; Mitsch, J.; Kärger, L.
2025. Composites Part A: Applied Science and Manufacturing, 199, 109162. doi:10.1016/j.compositesa.2025.109162

Capabilities and limitations of pure-shear based macroscopic forming simulations for 0°/90° biaxial non-crimp fabrics
Schäfer, B.; Dörr, D.; Naouar, N.; Wank, J. P.; Kärger, L.
2025. Material Forming: The 28th International ESAFORM Conference on Material Forming - ESAFORM 2025, Paestum, Italy, 7-9 May, 2025. Ed.: C. Pierpaolo, 554–563, Materials Research Forum LLC. doi:10.21741/9781644903599-60

Prediction quality of macroscopic forming simulation of non-crimp fabrics for aerospace applications
WANK, J. P.; Haas, S.; Dörr, D.; Runeberg, P.; Lux, B.; Krauß, C.; Schäfer, B.; Kärger, L.
2025. Material Forming: ESAFORM 2025, 448–457, Materials Research Forum LLC. doi:10.21741/9781644903599-49

Significance of the material parameters within a three-dimensional solid-shell element for thermoforming simulation
MITSCH, J.; Schäfer, B.; Kärger, L.
2025. Material Forming: The 28th International ESAFORM Conference on Material Forming - ESAFORM 2025, Paestum, Italy, 7-9 May, 2025. Ed.: C. Pierpaolo, 363–372, Materials Research Forum LLC. doi:10.21741/9781644903599-40

Macroscopic forming simulation of unidirectional non-crimp fabrics: Hyperelastic material modeling and 3D-solid-shell approach. Dissertation
Schäfer, B. B. J.
2024, Mai 27. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000170739

Experimental analysis of the forming behavior of uni- and bidirectional non-crimp fabrics for different geometries
Schäfer, B.; Zheng, R.; Colmars, J.; Platzer, A.; Naouar, N.; Boisse, P.; Kärger, L.
2024. Composites Part B: Engineering, 287, 111765. doi:10.1016/j.compositesb.2024.111765

A hyperelastic approach for modeling the membrane behavior in finite element forming simulation of unidirectional non-crimp fabrics (UD-NCF)
Schäfer, B.; Dörr, D.; Zheng, R.; Naouar, N.; Kärger, L.
2024. Composites Part A: Applied Science and Manufacturing, 185, Art.-Nr.: 108359. doi:10.1016/j.compositesa.2024.108359

Mesoscopic finite element modeling of biaxial non-crimp fabric including representative stitch pattern
Zheng, R.; Naouar, N.; Colmars, J.; Platzer, A.; Schäfer, B.; Morestin, F.; Kärger, L.; Boisse, P.
2024. Composite Structures, 339, 118126. doi:10.1016/j.compstruct.2024.118126

Influence of viscosity, binder activation, and loading rate on the membrane response of an infiltrated UD-NCF
Miranda Portela, R.; Schäfer, B.; Kärger, L.; Rocha de Faria, A.; Montesano, J.
2024. Material Forming: ESAFORM Toulouse, 2024 : the 27th International ESAFORM Conference on Material Forming -ESAFORM 2024- held in Toulouse, France, April 24-26, 2024, 494–502, Materials Research Forum LLC. doi:10.21741/9781644903131-55

Investigation of the friction behavior of uni- and bidirectional non-crimp fabrics
Schäfer, B.; Naouar, N.; Kärger, L.
2024. Material Forming: ESAFORM Toulouse 2024 : the 27th International ESAFORM Conference on Material Forming -ESAFORM 2024- held in Toulouse, France, April 24-26, 2024, Ed.: Araujo, Anna Carla; Korycki, Adrian; Olivier, Philippe, Schmidt, Fabrice, 540–548, Materials Research Forum LLC. doi:10.21741/9781644903131-60

Draping of biaxial non-crimp fabric on hemispherical shape
Zheng, R.; Naouar, N.; Schäfer, B.; Platzer, A.; Colmars, J.; Kärger, L.; Boisse, P.
2024. Material Forming: ESAFORM Toulouse 2024 : the 27th International ESAFORM Conference on Material Forming -ESAFORM 2024- held in Toulouse, France, April 24-26, 2024, Ed.: Araujo, Anna Carla; Korycki, Adrian; Olivier, Philippe, Schmidt, Fabrice, 623–630, Materials Research Forum LLC. doi:10.21741/9781644903131-69

Strain gradient calculation as a basis for localized roving slip prediction in macroscopic forming simulation of non-crimp fabrics
Wank, J. P.; Schäfer, B.; Mitsch, J.; Kärger, L.
2024. Material Forming: ESAFORM 2024, 467–476, Materials Research Forum LLC. doi:10.21741/9781644903131-52

Considering the viscoelastic material behavior in a solid-shell element for thermoforming simulation
Mitsch, J.; Schäfer, B.; Wank, J. P.; Kärger, L.
2024. Material Forming: ESAFORM 2024, 457–466, Materials Research Forum LLC. doi:10.21741/9781644903131-51

Composite forming simulation for non-crimp fabrics based on generalized continuum approaches – AMECOMP : Abschlussbericht / Final project report (DFG 431354059 / ANR-19-CE06-0031)
Schäfer, B.; Kärger, L.; Naouar, N.; Zheng, R.
2024. Technische Informationsbibliothek Hannover. doi:10.34657/13755

Makroskopische Umformsimulation von unidirektionalen Kohlenstofffasergelegen: Hyperelastische Materialmodellierung und 3D-Solid-Shell-Ansatz
Schäfer, B.
2024, November 6. 10. Technologietag Leichtbau (2024), Stuttgart, Deutschland, 6. November 2024

Hyperelastic membrane approach for macroscopic forming simulations of unidirectional non-crimp fabrics (UD-NCF)
Schäfer, B.; Dörr, D.; Zheng, R.; Naouar, N.; Kärger, L.
2024, September 11. 15th TexComp : Coming back home (2024), Löwen, Belgien, 11.–13. September 2024

Forming tests of a uni- and a bidirectional non-crimp fabric for different orientations and geometries (hemisphere, tetrahedron, square box)
Schäfer, B.; Zheng, R.; Colmars, J.; Platzer, A.; Naouar, N.; Kärger, L.
2024, Juni 24. doi:10.5281/zenodo.12516897

Membrane behavior of uni- and bidirectional non-crimp fabrics in off-axis-tension tests
Schäfer, B.; Zheng, R.; Naouar, N.; Kärger, L.
2023. International Journal of Material Forming, 16 (6), Art.-Nr.: 68. doi:10.1007/s12289-023-01792-x

Analysis of the in-plane shear behavior of biaxial non-crimp-fabric at mesoscopic scale
Zheng, R.; Schäfer, B.; Naouar, N.; Colmars, J.; Platzer, A.; Boisse, P.
2023. Proceedings of the 2023 International Conference on Composite Materials, Paper 209, Queen’s University Belfast

A unit-cell mesoscale modelling of biaxial non-crimp-fabric based on a hyperelastic approach
Zheng, R.; Schäfer, B.; Platzer, A.; Colmars, J.; Naim, N.; Boisse, P.
2023. Material Forming. Ed.: L. Madej, 285–292, Materials Research Forum LLC. doi:10.21741/9781644902479-31

Investigation of the compaction behavior of uni- and bidirectional non-crimp fabrics
Schäfer, B.; Zheng, R.; Philippe, B.; Kärger, L.
2023. Material Forming. Ed.: L. Madej, 331–338, Materials Research Forum LLC. doi:10.21741/9781644902479-36

Investigation of the Membrane Behavior of UD-NCF in Macroscopic Forming Simulations
Schäfer, B.; Haas, S.; Boisse, P.; Kärger, L.
2022. Key Engineering Materials, 926, 1413–1422. doi:10.4028/p-2977b4

Prediction of forming effects in UD-NCF by macroscopic forming simulation – Capabilities and limitations
Kärger, L.; Galkin, S.; Kunze, E.; Gude, M.; Schäfer, B.
2021. ESAFORM 2021 - 24th International Conference on Material Forming, ULiège Library. doi:10.25518/esaform21.355

Potential and challenges of a solid-shell element for the macroscopic forming simulation of engineering textiles
Schäfer, B.; Dörr, D.; Kärger, L.
2021. ESAFORM 2021 - 24th International Conference on Material Forming, ULiège Library. doi:10.25518/esaform21.883

Reduced-Integrated 8-Node Hexahedral Solid-Shell Element for the Macroscopic Forming Simulation of Continuous Fibre-Reinforced Polymers
Schäfer, B.; Dörr, D.; Kärger, L.
2020. Procedia manufacturing, 47, 134–139. doi:10.1016/j.promfg.2020.04.154

Manufacturing uncertainties and resulting robustness of optimized patch positions on continuous-discontinuous fiber reinforced polymer structures
Fengler, B.; Schäferling, M.; Schäfer, B.; Bretz, L.; Lanza, G.; Häfner, B.; Hrymak, A.; Kärger, L.
2019. Hospital physician, 213, 47–57. doi:10.1016/j.compstruct.2019.01.063

Advanced Macroscopic Modelling Approaches for FE Composite Forming Simulation Using Abaqus
Dörr, D.; Poppe, C.; Zimmerling, C.; Krauß, C.; Schäfer, B.; Henning, F.; Kärger, L.
2018. SIMULIA Regional User Meeting (2018), Hanau, Deutschland, 4. Dezember 2018