Teilinstitut Kontinuumsmechanik - Mitarbeiter - Eric Bayerschen
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Teilinstitut Kontinuumsmechanik
ITM-KM

Prof. Thomas Böhlke
Karlsruher Institut für Technologie (KIT)
Geb. 10.23, 3. OG
Kaiserstraße 10
76131 Karlsruhe

Postanschrift:
Postfach 6980
76049 Karlsruhe

Fremdsprachensekretariat:
Helga Betsarkis
Fon: (0721) 608-46107
Ute Schlumberger-Maas
Fon: (0721) 608-43796
Fax: (0721) 608-44187

Schnelleinstieg Teilinstitut Kontinuumsmechanik
Eric Bayerschen

Dr.-Ing. Eric Bayerschen

Ehemaliger wissenschaftlicher Mitarbeiter


Curriculum Vitae

 

 

2006-2011

Diplomstudium der Ingenieurwissenschaften (Maschinenbau),
Karlsruher Institut für ‎Technologie (KIT)

08/2010-05/2011 Studium der Kontinuumsmechanik,
University of Kansas, U.S.A.
07/2012 Verleihung des Carl-Benz-Preises für eine der beiden besten Diplomarbeiten aus dem Fachgebiet Theoretischer Maschinenbau
02/2015-05/2015 Gastwissenschaftler am Centre for Research in Computational and Applied Mechanics (Prof. Reddy), University of Cape Town, Rondebosch, South Africa
01/2012-12/2016 Wissenschaftlicher Mitarbeiter,
Institut für Technische Mechanik,
Fachgebiet ‎Kontinuumsmechanik im Maschinenbau,
Karlsruher Institut für Technologie (KIT)
10/2016 Promotion: "Single-crystal gradient plasticity with an accumulated plastic slip: Theory and applications"

Forschungsschwerpunkte

Dislocation-based single-crystal gradient plasticity modeling
(Versetzungsbasierte Einkristall-Gradientenplastizitätsmodellierung)

Grain boundary influence on the deformation of metals
(Korngrenzeneinfluss bei der Deformation von Metallen)

Finite element simulation of oligocrystalline materials
(Finite Elemente Simulation von wenigkristallinen Materialen)

Lehrveranstaltungen

 

Wintersemester 2016/17

  • Vertretung ausgewählter Vorlesungen der Rechnerunterstützten Mechanik I
  • Vertretung ausgewählter Vorlesungen der Technischen Mechanik I

Sommersemester 2016

  • Engineering Mechanics II (Tutorial)
  • Vertretung ausgewählter Vorlesungen der Technischen Mechanik II
  • Vertretung ausgewählter Vorlesungen der Engineering Mechanics II

Wintersemester 2015/16

  • Vertretung ausgewählter Vorlesungen der Technischen Mechanik I
  • Sprechstunden zu Höhere Technische Festigkeitslehre

Wintersemester 2014/15

  • Übungen zu Höhere Technische Festigkeitslehre (HTF)

Sommersemester 2014

  • Sprechstunde zu Technische Mechanik II (TMII)‎
  • Übungen zu Technische Mechanik II (TMII)‎

Wintersemester 2013/2014

  • Übungen zu Technische Mechanik I (TMI)
  • Sprechstunde zu Technische Mechanik I (TMI)

Sommersemester 2013  

  • Übungen zu Technische Mechanik II (TMII)
  • Übungen zu Mathematische Methoden der Strukturmechanik (MMS)

Wintersemester 2012/2013  

  • Übungen zu Technische Mechanik I (TMI)

Sommersemester 2012  

  • Übungen zu Mathematische Methoden der Strukturmechanik (MMS)
  • Workshops zu Arbeitstechniken im Maschinenbau

Betreuung studentischer Arbeiten

2016

Bachelorarbeit
von Elvedin Ramani
Comparison of Geometrical Grain Boundary Slip Transmission Criteria for Dislocations
Betreuer:
Dipl.-Ing. Eric Bayerschen
Prof. Dr.-Ing. habil. Thomas Böhlke


2015

Masterarbeit von Hannes Erdle
Finite Element Discretization of the Energy of Inclined Grain Boundaries within a Gradient Plasticity Model
Betreuer:
Dipl.-Ing. Eric Bayerschen
Prof. Dr.-Ing. habil. Thomas Böhlke

 

2014

Masterarbeit
von Andreas Prahs
Misorientation dependent Resistance of Tilt Grain Boundaries against Plastic Flow
Betreuer:
Dipl.-Ing. Eric Bayerschen
Prof. Dr.-Ing. Thomas Böhlke

Veröffentlichungen


2016

Bayerschen, E.:
Single-crystal gradient plasticity with an accumulated plastic slip: Theory and applications.
Doctoral dissertation, Schriftenreihe Kontinuumsmechanik im Maschinenbau Nr. 9, KIT Scientific Publishing, Karlsruhe (2016)
https://publikationen.bibliothek.kit.edu/1000062103

Bayerschen, E., Stricker, M., Weygand, D., Böhlke, T.:
Non-quadratic defect energy: A comparison of gradient plasticity simulations to discrete dislocation dynamics results
Special Issue: Joint 87th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM) and Deutsche Mathematiker-Vereinigung, PAMM, 16(1), 301-302 (2016)
DOI: 10.1002/pamm.201610139

Bayerschen, E., Prahs, A., Wulfinghoff, S., Ziemann, M., Gruber, P.A., Walter, M., Böhlke, T.:
Modeling contrary size effects of tensile- and torsion-loaded oligocrystalline gold microwires.
Journal of Materials Science, 51(16), 7451-7470 (2016)
DOI: 10.1007/s10853-016-0020-7

Bayerschen, E., Böhlke, T.:
Power-law defect energy in a single-crystal gradient plasticity framework: a computational study.
Computational Mechanics, 58(1), 13-27 (2016)
DOI: 10.1007/s00466-016-1279-x

Bayerschen, E., McBride, A., Reddy, B. D., Böhlke, T.:
Review on Slip Transmission Criteria in Experiments and Crystal Plasticity Models.
Journal of Materials Science, 51(5), 2243-2258 (2016)
DOI: 10.1007/s10853-015-9553-4

Erdle, H., Bayerschen, E., Böhlke, T.:
Large Strain Gradient Plasticity Theory with a Discontinuous Grain Boundary Yield Condition,
Special Issue: Joint 87th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM) and Deutsche Mathematiker-Vereinigung, PAMM, 16(1), 329-330 (2016)
DOI: 10.1002/pamm.201610153


2015

Bayerschen, E., Stricker, M., Wulfinghoff, S., Weygand, D., Böhlke, T.:
Equivalent Plastic Strain Gradient Plasticity with Grain Boundary Hardening and Comparison to Discrete Dislocation Dynamics.
Proc. R. Soc. A, 471(2184), (2015)
DOI: 10.1098/rspa.2015.0388

Ziemann, M., Chen, Y., Kraft, O., Bayerschen, E., Wulfinghoff, S., Kirchlechner, C., Tamura, N., Böhlke, T., Walter, M., Gruber, P.A.:
Deformation patterns in cross-sections of twisted bamboo-structured Au microwires.
Acta Materialia 97, 216-222 (2015)
DOI: 10.1016/j.actamat.2015.06.012


2014

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:
Application of Strain Gradient Plasticity to Micro-torsion Experiments.
PAMM - Special Issue: 85th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), 14(1), 313–314 (2014)
DOI: 10.1002/pamm.201410144
http://onlinelibrary.wiley.com/doi/10.1002/pamm.201410144/abstract

Wulfinghoff, S., Bayerschen, E., Böhlke, T.:
Conceptual Difficulties in Plasticity including the Gradient of one Scalar Plastic Field Variable.
PAMM - Special Issue: 85th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), 14(1), 317–318 (2014)
DOI: 10.1002/pamm.201410146
http://onlinelibrary.wiley.com/doi/10.1002/pamm.201410146/abstract


2013

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:‎
Some Remarks on the Numerical Solution of a Strain Gradient Plasticity Theory.
PAMM • Proc. Appl. Math. Mech. 13(1), 183-184 (2013)
DOI: 10.1002/pamm.201310087
http://onlinelibrary.wiley.com/doi/10.1002/pamm.201310087/abstract

Wulfinghoff, S., Bayerschen, E., Böhlke, T.:‎
Micromechanical Simulation of the Hall-Petch Effect with a Crystal Gradient Theory including a Grain Boundary Yield Criterion.
PAMM • Proc. Appl. Math. Mech. 13(1), 15-18 (2013)
DOI: 10.1002/pamm.201310005
http://onlinelibrary.wiley.com/doi/10.1002/pamm.201310087/abstract

Wulfinghoff, S., Bayerschen, E., Böhlke, T.:
A gradient plasticity grain boundary yield theory.
International Journal of Plasticity 51, 33-46 (2013)
http://www.sciencedirect.com/science/article/pii/S0749641913001289

Wulfinghoff, S., Bayerschen, E., Böhlke, T.:‎
Modeling of the Hall-Petch Effect with a Gradient Crystal Plasticity Theory including a Grain ‎Boundary Yield Condition.‎
Proceedings of the XII International Conference on Computational Plasticity, COMPLAS XII, E. ‎Oñate, D.R.J. Owen, D. Peric and B. Suárez (Eds.), (2013)‎
http://congress.cimne.com/complas2013/proceedings/full/p460.pdf

 

Vorträge

2016

Bayerschen, E.
Single-crystal gradient plasticity with an accumulated plastic slip: Theory and applications,
Disputation, KIT, 25.10.2016

Prahs, A., Bayerschen, E., Ziemann, M., Gruber, P., Walter, M., Böhlke, T.:
On contrary size effects of microwires under different loading conditions,
DMV-GAMM 2016, Braunschweig, Germany, 07.-11.03.2016

Bayerschen, E., Stricker, M., Weygand, D., Böhlke, T.
Enhancing a gradient plasticity model by comparison to discrete dislocation
dynamics,

GAMM 2016, Braunschweig, Germany, 09.03.2016

Bayerschen, E., Prahs, A., Böhlke, T.
Equivalent plastic strain gradient plasticity for oligocrystals
Schöntal Symposium 2016, Schöntal, Germany, 03.03.2016

Bayerschen, E., Böhlke, T.
Generalized defect energy in an equivalent plastic strain gradient plasticity framework, ELACTAM 2016, Havanna, Cuba, 23.02.2016


2015

Bayerschen, E., McBride, A., Reddy, D., Böhlke, T.:
Grain Boundary Slip Transmission Criteria
CERECAM Seminar 2015, UCT, Cape Town, South Africa, 13.05.2015

Bayerschen, E., Erdle, H., Prahs, A., Böhlke, T.:
Grain boundary modeling in a gradient plasticity framework
ISDMM Conference 2015, Bremen, Germany, 15.09.2015

Prahs, A., Bayerschen, E., Böhlke, T.:
Equivalent Plastic Strain Gradient Theory with a Grain Boundary Yield Condition
GAMM Conference 2015, Lecce, Italy, 27.03.2015
 

2014

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:
Strain Gradient Plasticity with Grain Boundary Yielding and Hardening
CERECAM Seminar 2014, UCT, Cape Town, South Africa, 10.11.2014

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:
Strain Gradient Crystal Plasticity Modelling – An Efficient Approach to Capture Experimental and Discrete Dislocation Dynamics Observations
MMM 2014, Berkeley, U.S.A., 08.10.2014

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:
Micro-experimental Application of a Strain Gradient Crystal Plasticity Model
EMMC14, Gothenburg, Sweden, 28.08.2014

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:
Modeling of Grain Boundary Resistance in a Strain Gradient Crystal Plasticity Model
WCCM 2014, Barcelona, Spain, 22.07.2014

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:
Simulation of Oligocrystalline Micro-specimen with a Strain Gradient Crystal Plasticity Model
CMCn 2014, Düsseldorf, Germany, 15.07.2014

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:
Strain Gradient Crystal Plasticity Modeling: Theory, Numerics and Application
GAMM Conference 2014, Erlangen-Nürnberg, Germany, 11.03.2014

Böhlke, T., Bayerschen, E., Wulfinghoff, S., Forest, S.:
Continuum Dislocation Microplasticity Modeling of Single Crystals
WCCM 2014, Barcelona, Spain, 21.07.2014

Böhlke, T., Bayerschen, E., Wulfinghoff, S.:
Dislocation-based Gradient Crystal Plasticity Theory
Schöntal Symposium 2014, Schöntal, Germany, 24.02.2014


2013

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:
A Strain Gradient Crystal Plasticity Model that accounts for Size Effects by Grain Boundary Resistance
MRS Fall Meeting 2013, Boston, U.S.A., 06.12.2013

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:
Modeling of Size Effects in Micro-experiments with Strain Gradient Plasticity and a Grain Boundary Yield Criterion.
GACM 2013, Hamburg / Harburg, Germany, 02.10.2013

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:
Strain Gradient Plasticity Modeling including a Grain Boundary Yield Criterion and Application to Size Effects in Micro-Tensile Test Experiments.
ICMM Conference 2013, Warsaw, Poland, 09.09.2013

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:
Strain Gradient Plasticity Modeling of Size Effects.
2nd Workshop, DFG Research Group 1650, Bad Herrenalb, Germany, 03.05.2013

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:
Strain Gradient Plasticity Modeling of Size Effects including a Grain Boundary Yield Condition and Application to Micro-Tensile Test Experiments.
GAMM Conference 2013, Novi Sad, Serbia, 20.03.2013

Wulfinghoff, S., Böhlke, T., Bayerschen, E.:
Introduction to Phenomenological Gradient Plasticity Forschungsseminar
Lehrstuhl Festigkeitslehre, Magdeburg, Germany, 27.11.2013

Wulfinghoff, S., Bayerschen, E., Böhlke, T.:
Micromechanical Simulation of the Hall-Petch Effect with a Crystal Gradient Theory including a Grain Boundary Yield Criterion.
Ecole des Mines Seminar, Paris, France, 24.10.2013

Wulfinghoff, S., Bayerschen, E., Böhlke, T.:
Micromechanical Simulation of the Hall-Petch Effect ‎with a Crystal Gradient Theory including a Grain Boundary Yield Criterion.
ICMM Conference 2013, Warsaw, Poland, 09.09.2013

Wulfinghoff, S., Bayerschen, E., Böhlke, T.:
Modeling the Hall-Petch Effect with a Gradient Crystal ‎Plasticity Theory including a Grain Boundary Yield Criterion.
COMPLAS 2013, Barcelona, ‎‎03.09.2013‎

Wulfinghoff, S., Bayerschen, E., Böhlke, T.:
Micromechanical Simulation of the Hall-Petch Effect with a Crystal Gradient Theory including a Grain Boundary Yield Criterion
Workshop, DFG Research Group 1650, Bad Herrenalb, Germany, 03.05.2013

Wulfinghoff, S., Bayerschen, E., Böhlke, T.:
Micromechanical Simulation of the Hall-Petch Effect with a Crystal Gradient Theory including a Grain Boundary Yield Criterion.
GAMM 2013, Novi Sad, Serbia, 18.03.2013

Wulfinghoff, S., Bayerschen, E., Böhlke, T.:
Dislocation based Gradient Plasticity Theory - Current Status and Future Tasks.
1st Workshop, DFG Research Group 1650, Karlsruhe, Germany, 18.01.2013


2012

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:
Finite Element Implementation of Energetic Grain Boundary Hardening.
IWRMM Status Seminar, Karlsruhe, Germany, 20.04.2012

Bayerschen, E., Wulfinghoff, S., Böhlke, T.:
Finite Element Implementation of Energetic Grain Boundary Hardening.
Kick-Off Workshop, DFG Research Group 1650, Karlsruhe, Germany, 02.04.2012

Böhlke, T., Jöchen, K., Wulfinghoff, S., Bayerschen, E.:
Continuum Mechanical Modeling of Microstructured Materials
Summer School RTG 1554, Berlin, Germany, 04.06.2012

Böhlke, T., Wulfinghoff, S., Bayerschen, E.:
Theoretical Aspects of a Continuum Dislocation Microplasticity Theory and Numerical Examples
GAMM 2012, Darmstadt, Germany, 26.03.2012

Böhlke, T., Wulfinghoff, S.,  Bayerschen, E.:
Theoretical Aspects of a Continuum Dislocation Microplasticity Theory and Numerical Examples Mechanics of Materials Mathematisches Forschungsinstitut Oberwolfach, Workshop Mechanics of Materials, 18.-24.12.2012

Wulfinghoff, S., Böhlke, T., Bayerschen, E.:
Single Crystal Gradient Plasticity
Workshop Multiscale Material Modeling, Bad Herrenalb, Germany, 04.09.2012