Institute of Mechanics - Department of Civil Engineering, Geo and Environmental Sciences
RobinPfefferkorn

M.Sc. Robin Pfefferkorn

  • Institut für Mechanik
    Karlsruher Institut für Technologie (KIT)
    Geb. 10.30
    Otto-Ammann-Platz 9
    D-76131 Karlsruhe

Research

Numerische Mechanik

Gemischte Finite Elemente Methoden

Awards

Ludwig-Lenz-Züblin-Preis
für besondere Leistungen im Masterstudium, Juli 2019

DYNAmore-Preis 2018
für die Masterarbeit "Erweiterung der Enhanced Assumed Strain Methode basierend auf der Struktur polykonvexer Verzerrungsenergiefunktionen für große Deformationen"

Teaching (Exercises)

Numerische Strukturdynamik (SS 2021)
Dynamik (WS 2020/21)
Festigkeitslehre (SS 2020)
Statik starrer Körper (WS 2019/20)
Finite Elemente in der Festkörpermechanik (SS 2019)
Baudynamik-Praktikum (WS 2018/19)
Baudynamik (WS 2018/19)
Kontaktmechanik - Einführung und Grundlagen (SS 2017, SS 2018)

Supervised theses (BA, MA)

Hille, Moritz: Combination of mixed finite elements for nearly incompressible large deformation solid mechanics (MA, 2020)

Fischer, Anna: Untersuchung von Hourglass-Stabilisierungstechniken im Rahmen der Finite-Elemente-Methode (MA, 2019)

Courses

Investigation of Interlaminar Fracture Mechanics of FRP using Digital Image Correlation, Dr.-Ing. Mathias Merzkirch, Karlsruhe Institute of Technology, Karlsruhe, Germany, April 23-26, 2019

Parameteridentifikation mit LS-OPT, DYNAmore training seminar, Stuttgart, Germany, November 11, 2018

Modeling in Engineering using Innovative Numerical Methods for Solids and Fluids, CISM Advanced Course, Udine, Italy, October 15-19, 2018

Publications

Pfefferkorn, R., Bieber, S., Oesterle, B., Bischoff, M., Betsch, P.: Improving efficiency and robustness of enhanced assumed strain elements for nonlinear problems. Int J Numer Methods Eng. 2021;1–29, DOI

Pfefferkorn, R., Betsch, P.: Open issues on the EAS method and mesh distortion insensitive locking-free low-order unsymmetric EAS elements. 14th World Congress on Computational Mechanics (WCCM)ECCOMAS Congress 2020), DOI

Pfefferkorn, R., Betsch, P.: Extension of the enhanced assumed strain method based on the structure of polyconvex strain-energy functions. Int. J. Numer. Meth. Engng, 121(8):1695-1737, 2020, DOI

Pfefferkorn, R., Betsch, P.: On transformations and shape functions for enhanced assumed strain elements. Int. J. Numer. Meth. Engng, 120(2), 231-261, 2019, DOI

Pfefferkorn, R., Betsch, P.: Transformations and enhancement approaches for the large deformation EAS method. PAMM Proc. Appl. Math. Mech. 19(1), e201900135, 2019, DOI

Talks

Pfefferkorn, R. und Betsch, P.: High Performance Mesh Distortion Insensitive Unsymmetric EAS Elements for Linear Elasticity, 0th GAMM Annual Meeting, Kassel, Germany, March 16, 2021.

Pfefferkorn, R. und Betsch, P.: Open Issues on and Extensions to the Large Deformation EAS Method, European Community on Computational Methods in Applied Sciences (ECCOMAS) Congress 2020 & 14th World Congress on Computational Mechanics (WCCM), Paris, Jan. 11, 2021.

Pfefferkorn, R., Bieber, S., Oesterle, B., Bischoff, M., und Betsch, P.: Increasing Robustness of Large Deformation EAS elements in Newton-Raphson Iterations, European Community on Computational Methods in Applied Sciences (ECCOMAS) Congress 2020 & 14th World Congress on Computational Mechanics (WCCM), Paris, Jan. 11, 2021.

Pfefferkorn, R., Betsch, P.: Extension of the Nonlinear EAS method based on the Structure of Polyconvex Strain-Energy Functions. ECCOMAS Thematic Conference on Modern Finite Element Technologies (MFET) 2019, Physikzentrum Bad Honnef, Germany, July 1-3, 2019

Pfefferkorn, R., Betsch, P.: Transformations and Enhancement Approaches for the Large Deformation EAS Method. 90th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), Vienna, Austria, February 18-22, 2019