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Dr. Lars Bittrich

Dept. Tailored Lightweight Composites
+49 351 4658 1321 +49 351 4658 362

Fields of work

  • Numerical modelling, simulation, and optimization of among others composite structures
  • Automated experimental data analysis

Projects

  • EU project "EMBROIDERY"
  • DFG project "OptiTex"
  • DFG project "MerVa"

Publications

  • Konze, S.; Lisbôa, T. V.; Bruk, S.; Bittrich, L.; Stommel, M.; Wildemann, M.; Herold, J.; Spickenheuer, A. A novel additive manufacturing process for multi-matrix fiber reinforced composites more SAMPE Journal 59 (2023) 50-58
  • Bittrich, L. ; Seuffert, J. ; Dietrich, S. ; Uhlig, K. ; Lisboa, T. ; Kärger, L. ; Spickenheuer, A. On the resin transfer molding (RTM) infiltration of fiber-reinforced composites made by tailored fiber placement more Polymers 14 (2022) 4873
  • Seuffert, J. ; Bittrich, L. ; de Oliveira, L. C. ; Spickenheuer, A. ; Kärger, L. Micro-scale permeability characterization of carbon fiber composites using micrograph volume elements more Frontiers in Materials 8 (2021) Article Number: 745084
  • Bittrich, E. ; Domke, J. ; Levichkova, M. ; Jehnichen, D. ; Bittrich, L. ; Janke, A. ; Formanek, P. ; Hübner, R. ; Uhlmann, P. ; Eichhorn, K.-J. ; Forker, R. ; Gruenewald, M. ; Al-Hussein, M. ; Fritz, T. ; Walzer, K. Structural templating of an organic solar cell absorber by ellagic acid to tune its aggregation, molecular orientation, and optical properties more ACS Applied Energy Materials 4 (2021) 14273-14286
  • Brandt, J. ; Bittrich, L. ; Fischer, F. ; Kanaki, E. ; Tagg, A.S. ; Lenz, R. ; Labrenz, M. ; Brandes, E. ; Fischer, D. ; Eichhorn, K.-J. High-throughput analyses of microplastic samples using fourier transform infrared and raman spectrometry more Applied Spectroscopy 74 (2020) 1185-1197
  • Bittrich, E. ; Domke, J. ; Jehnichen, D. ; Bittrich, L. ; Malanin, M. ; Janke, A. ; Uhlmann, P. ; Eichhorn, K.-J. ; Papamichail, A. ; Stanishev, V. ; Darakchieva, V. ; Al-Hussein, M. ; Levichkova, M. ; Fritz, T. ; Walzer, K. Morphology of thin films of aromatic ellagic acid and its hydrogen bonding interactions more Journal of Physical Chemistry C 124 (2020) 16381-16390
  • Almeida Jr., J.H.S. ; Bittrich, L. ; Spickenheuer, A. Improving the open-hole tension characteristics with variable-axial composite laminates: Optimization, progressive damage modeling and experimental observations more Composites Science and Technology 185 (2020) ID107889
  • Richter, E. ; Spickenheuer, A. ; Bittrich, L. ; Uhlig, K. ; Heinrich, G. Mechanical design of intersection points of tailored fiber placement made carbon fiber reinforced plastic truss-like structures more Key Engineering Materials 809 (2019) 452-460
  • Almeida Jr., J.H.S. ; Bittrich, L. ; Jansen, E. ; Tita, V. ; Spickenheuer, A. Buckling optimization of composite cylinders for axial compression: A design methodology considering a variable-axial fiber layout more Composite Structures 222 (2019) ID110928
  • Fischer, D. ; Fischer, F. ; Brandt, J. ; Bittrich, L. ; Eichhorn, K.-J. ; Fischer, H. ; Hollricher, K. ; Böhmler, M. Find, classify and identify microparticles with raman imaging more Imaging & Microscopy 21 (2019) 16-17
  • Fischer, D. ; Käppler, A. ; Fischer, F. ; Brandt, J. ; Bittrich, L. ; Eichhorn, K.-J. Indetification of microplastics in environmental samples - Combination of particle analysis with FTIR and raman microscopy more GIT Laboratory Journal Europe 43 (2019) 43-45
  • Uhlig, K. ; Bittrich, L. ; Spickenheuer, A. ; Almeida Jr., J.H.S. Waviness and fiber volume content analysis in continuous carbon fiber reinforced plastics made by tailored fiber placement more Composite Structures 222 (2019) ID110910
  • Almeida Jr., J.H.S. ; Bittrich, L. ; Nomura, T. ; Spickenheuer, A. Cross-section optimization of topologically-optimized variable-axial anisotropic composite structures more Composite Structures 225 (2019) ID111150
  • Fischer, D. ; Käppler, A. ; Fischer, F. ; Brandt, J. ; Bittrich, L. ; Eichhorn, K.-J. Identifizierung von Mikroplastik in Umweltproben : Kombination von Partikelanalyse mit FTIR- und Raman-Mikroskopie more GIT Labor-Fachzeitschrift (2019) 2-4
  • Bittrich, L. ; Spickenheuer, A. ; Almeida Jr., J.H.S. ; Müller, S. ; Kroll, L. ; Heinrich, G. Optimizing variable-axial fiber-reinforced composite laminates: The direct fiber path optimization concept more Mathematical Problems in Engineering (2019) ID 8260563
  • Brünler, R. ; Eger, M. ; Lukoschek, S. ; Aibibu, D. ; Cherif, C. ; Breier, A. ; Elschner, C. ; Hahn, J. ; Bittrich, L. ; Spickenheuer, A. ; Vater, C. ; Petto, C. ; Celinsky, M. Gestickte Herniennetze aus Chitosan mit lokal einstellbaren Steifigkeiten zum Einsatz als Implantatmaterial more Technische Textilien (2018) 182-184
  • Spickenheuer, A. ; Elschner, C. ; Hahn, J. ; Bittrich, L. ; Breier, A. Technisches Sticken - Großes Potenzial für die Herstellung patientenindividueller Implantate more TEXTILplus 05/06 2018 (2018) 24-27
  • Erber, M. ; Tress, M. ; Bittrich, E. ; Bittrich, L. ; Eichhorn, K.-J. Glass transition of polymers with different architectures in the confinement of nanoscopic films more Springer 2nd ed. (2018) 97-114
  • Breier, A. ; Bittrich, L. ; Hahn, J. ; Spickenheuer, A. Evaluation of optical data gained by ARAMIS-measurement of abdominal wall movements for an anisotropic pattern design of stress-adapted hernia meshes produced by embroidery technology more IOP Conference Series: Materials Science and Engineering 254 (2017) ID062002
  • Hahn, J. ; Bittrich, L. ; Breier, A. ; Spickenheuer, A. Stress adapted emboidered meshes with a graded pattern design for abdominal wall hernia repair more IOP Conference Series: Materials Science and Engineering 254 (2017) ID062005
  • Bittrich, E. ; Windrich, F. ; Martens, D. ; Bittrich, L. ; Häußler, L. ; Eichhorn, K.-J. Determination of the glass transition temperature in thin polymeric films used for microelectronic packaging by temperature-dependent spectroscopic ellipsometry more Polymer Testing 64 (2017) 48-54
  • Spickenheuer, A. ; Scheffler, C. ; Bittrich, L. ; Haase, R. ; Garray, D. ; Heinrich, G. Tailored fiber placement in thermoplastic composites more Technologies for Lightweight Structures (2017) 13 Seiten
  • Knapp, A. ; Müller, A. ; Lucia, M. ; Spickenheuer, A. ; Bittrich, L. Load optimized bonding more Adhesion - Adhesives & Sealants 13 (2016) 18-21
  • Uhlig, K. ; Tosch, M. ; Bittrich, L. ; Leipprand, A. ; Dey, S. ; Spickenheuer, A. ; Heinrich, G. Meso-scaled finite element analysis of fiber reinforced plastics made by tailored fiber placement more Composite Structures 143 (2016) 53-62
  • Dey, S. ; Naskar, S. ; Mukhopadhyay, T. ; Gohs, U. ; Spickenheuer, A. ; Bittrich, L. ; Sriramula, S. ; Adhikari, S. ; Heinrich, G. Uncertain natural frequency analysis of composite plates including effect of noise - A polynomial neural network approach more Composite Structures 143 (2016) 130-142