Prof. Dr.-Ing. habil. Philipp Junker

Prof. Dr.-Ing. habil. Philipp Junker
Address
An der Universität 1
30823 Garbsen
Building
Room
310
Prof. Dr.-Ing. habil. Philipp Junker
Address
An der Universität 1
30823 Garbsen
Building
Room
310
  • Academic degrees
    2003 - 2008 Study of Mechanical Engineering, Ruhr-Universität Bochum
    2008 Diploma, "very good"
    2011 PhD, "with distinction"
    2016 Habilitation, Venia Legendi for "Mechanics"
  • CV
    since 2021

    Executive Director of the Institute of Continuum Mechanics at Leibniz Universität Hannover

    2021 Call to the W3 professorship for Continuum Mechanics at TU Darmstadt (declined)
    2019 - 2021 Chief Engineer at the Chair of Continuum Mechanics,
    headed by Prof. Balzani
    2019 Visiting Professor for Engineering Mechanics 
    at Bergische Universität Wuppertal
    2017 - 2019 Lecturer for Mechanics
    2016 - 2017 Visiting Professor for Continuum Mechanics
    at Ruhr University Bochum
    2015 - 2016 Visiting Professor for Engineering Mechanics 
    at Bergische Universität Wuppertal
    2015 Research stay at Caltech, CA, USA
    2013 - 2015 Scientific Coordinator of UA Ruhr Graduate Training School SiMiDe,
    headed by Prof. Hartmaier
    2008 - 2015 Scientific Assistant at the Chair of Mechanics of Materials,
    headed by Prof. Hackl at Ruhr University Bochum

     

    Supervision of PhD theses as first referee:

    • Jun.-Prof. Dr.-Ing. Johanna Waimann, PhD in the field of "Phase Tranformations"
      current position: Senior Engineer at Department von Prof. Reese (RWTH Aachen)
    • Dr.-Ing. Stephan Schwarz, PhD in the field of "Damage Mechanics"
      current position: Teamleiter Simulation bei Böcker Maschinenwerke GmbH, Werne
    • Dr.-Ing. Dustin R. Jantos, PhD in the field of "Topology and Materials Optimization"
      current position: Senior Engineer at Institute of Continuum Mechanics (Leibniz Universität Hannover)
       

    Second referee for PhD  theses:

    • Dr.-Ing. Georgios Gaganelis, PhD in the field of "Concrete Structures"
    • Dr.-Ing. Hamid El Maanaoui, PhD in the field of  "Construction"
  • Awards and Academic memberships

    Awards

    • von-Mises-Prize of International Association of Applied Mathematics and Mechanics (GAMM) 2019
      for outstanding work on continuum mechanical modelling of complex solids
    • Winner of Ideenwettbewerb in 2010/2011 of Gründercampus-Ruhr
       

    Memberships

    • Member of  the Editorial Board of the  Journal of Mechanics of Materials and Structures
    • Member of  Advisory Board of international journal  Civil Engineering Design (based on the journal "Bautechnik")
    • Member of Policy Committee VDI GPP FA708 Shape Memory Technology - VDI 2205, Section Leader „Simulation"
    • Member of Materials Research Department at RUB 
    • Member of RUB Research School
    • Member of ICAMS Advanced Study Group "Continuum Mechanics"
  • Research

    Thermodynamic Topology and Materials Optimization

    • Development of variational approaches for the thermodynamic optimization of the topology of construction parts and engineering structures
    • Development of novel and numerically advantageous concepts for regularization to avoid the checkerboard phenomenon
    • Consideration of material and geometrical non-linearities as, e.g., fiber reinforced materials, hybrid materials systems (steel/concrete, 3D print), hyperelastic materials (rubber)

    Stochastic Material Behavior

    • Development of novel approaches to modeling the stochastic behaior of elastic and inelastic materials, e.g., creep behavior in concrete, polymers, metals
    • Development of improved finite element formulations to accurately compute the local and global stochastic quantities as stress distribution and nodal forces
    • Generalized formulations

    Damage Mechanics

    • Development of numerically advantageous regularization methods to avoid mesh dependencies in finite element simulations
    • Coupling of damage evolution to other microstructural processes as, e.g., plasticity, hardening, phase transformations
    • Consideration of thermo-mechanically coupled problems

    Phase Transformations

    • Thermo-mechanically coupled material modeling of single-crystalline and poly-crystalline shape memory alloys including functional fatigue
    • Development of efficient simulation strategies for finite element computations of phase transformation inclduing plasticity
    • Thermodynamic analysis to determine universial material parameters
  • Industrial Activities
    2011 - 2019 Executive Partner of ComMaSIM UG (hb.), 
    Complex Materials SImulations

    Examples for industrial cooperation:

    • Development of a material model for the simulation of medical stents
    • Topology optimization for racing sports (Formula 1)
    • Simulation of construction parts from packaging industry
       

    Formulation of a VDI directive (Association of German Engineers) with various partners:

    • Fraunhofer Institutu for Machine Tools and Forming Industry (IWU), Dresden
    • Research Community Tools and Materials e.V. (FGW), Remscheid
    • Phoenix Contact GmbH & Co. KG, Blomberg
    • redsystem GmbH, Munich
    • Verein Deutscher Ingenieure (VDI), Düsseldorf
    • G. Rau GmbH & Co. KG, Pforzheim
    • Center for Mechatronics and Automation Technology (ZeMA), Saarbrücken
  • Teaching

    Lectures

    • Grundlagen der FE-Technologie, MB Bachelor, BI Master, WS 2012/13, Wahlpflichtfach
    • Finite-Element-Technology, CompEng Master, SS 2013, Wahlfach
    • Grundlagen der FEM, MB Bachelor, BI Master, WS 2012/13 - WS 2014/15, Wahlpfichtfach
    • Mechanische Grundlagen der Strömungsmaschinen, MB Master, WS 2013/15, WS 2017/18, Wahlfach (neu konzipierte Vorlesung)
    • Mechanik A, BI + UTRM Bachelor, WS 2014/15, Pflichtfach
    • Mechanik B, BI + UTRM Bachelor, SS 2015, Pflichtfach
    • Mechanik C, MB Bachelor, BI Master, WS 2016/18, (Wahl-)Pflichtfach
    • Kontinuumsmechanik, MB Bachelor, WS 2016/17, Wahlpflichtfach
    • Mechanik B, MB + BI + UTRM Bachelor, SS 2017, Pflichtfach
    • Einführung in die Materialmodellierung, MB Bachelor, SS 2017, Wahlfach
    • Plastizität und Materialschädigung, MB + BI Master, SS 2018, Wahlfach
    • Mechnical Modeling of Materials, CompEng Master, WS 2019/20
    • Einführung in die Materialmodellierung, MB Bachelor, SS 2020
    • Plastizität und Materialschädigung, MB + BI Master, SS 2020
    • Technische Mechanik I, MB Bachelor, WS 2015/16, Pflichtfach, Bergische Universität Wuppertal
    • Technische Mechanik II, MB Bachelor, SS 2016, Pflichtfach, Bergische Universität Wuppertal
    • Technische Mechanik III, MB Bachelor, WS 2015/16, Pflichtfach, Bergische Universität Wuppertal
    • Nicht-lineare FEM, MB Master, WS 2015/16, Pflichtfach, Bergische Universität Wuppertal
    • Mechanik I, MB Sicherheitstechnik, SS 2016, Pflichtfach, Bergische Universität Wuppertal
    • Kontinuumsmechanik, MB Master, SS 2019, Bergische Universität Wuppertal
    • Technische Mechanik II, MB Bachelor, SS2019, Bergische Universität Wuppertal
    • FEM, MB Bachelor, SS 2019, Bergische Universität Wuppertal
       

    Others

    • Supervision of student theses (Diploma, Bachelor, Master) 
    • Co-supervision of metrological laboratory internship
    • MathePraxis project: vibration damping (SS 2012, SS 2013)
    • Girl's Day projekt: "Controlling of earthquakes - why some building collapse and others don't"
  • Reviewer Activities
    • International Journal of Solids and Structures
    • Journal of the Mechanics and Physics of Solids
    • Archives of Mechanics
    • Computer Methods in Applied Mechanics and Engineering
    • Computational Mechanics
    • Engineering Optimization
    • Damage Mechanics
    • Structural and Multidisciplinary Optimization
    • Advances in Structural Engineering
    • European Journal of Engineering Education

Publications

Showing results 71 - 80 out of 98

2016


A coupled dissipation functional for modeling the functional fatigue in polycrystalline shape memory alloys. / Waimann, Johanna; Junker, Philipp; Hackl, Klaus.
In: European journal of mechanics, Vol. 55, 01.01.2016, p. 110-121.

Research output: Contribution to journalArticleResearchpeer review

A variational model for the functional fatigue in polycrystalline shape memory alloys. / Waimann, Johanna; Junker, Philipp; Hackl, Klaus.
In: Proceedings in applied mathematics and mechanics, 25.10.2016.

Research output: Contribution to journalArticleResearchpeer review


2015


A variational viscosity-limit approach to the evolution of microstructures in finite crystal plasticity. / Günther, Christina; Junker, Philipp; Hackl, Klaus.
In: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 471, No. 2180, 2015.

Research output: Contribution to journalArticleResearchpeer review

Modeling the evolution of microstructures in finite plasticity. / Günther, Christina; Junker, Philipp; Hackl, Klaus.
In: Proceedings in applied mathematics and mechanics, 2015.

Research output: Contribution to journalArticleResearchpeer review

A variational growth approach to topology optimization. / Junker, Philipp; Hackl, Klaus.
In: Structural and Multidisciplinary Optimization, 2015.

Research output: Contribution to journalArticleResearchpeer review

Benefits of an energy-based material model during industrial engineering of SMA. / Junker, Philipp; Hackl, Klaus.
ASM International - International Conference on Shape Memory and Superelastic Technologies, SMST 2015. ASM International, 2015. p. 109-110 (ASM International - International Conference on Shape Memory and Superelastic Technologies, SMST 2015).

Research output: Chapter in book/report/conference proceedingConference contributionResearchpeer review

Variational prediction of the mechanical behavior of shape memory alloys based on thermal experiments. / Junker, Philipp; Jaeger, Stefanie; Kastner, Oliver et al.
In: Journal of the Mechanics and Physics of Solids, 2015.

Research output: Contribution to journalArticleResearchpeer review

Indentation and scratch testing: experiment and simulation. / Pöhl, F.; Schwarz, Stephan; Junker, Philipp et al.
Conference proceedings: 3rd International Conference on Stone and Concrete Machining (ICSCM); Bochum, 02.-03.11.2015. 2015.

Research output: Chapter in book/report/conference proceedingContribution to book/anthologyResearchpeer review

A regularization approach for damage models based on a displacement gradient. / Schwarz, Stephan; Junker, Philipp; Hackl, Klaus.
In: Proceedings in applied mathematics and mechanics, 2015.

Research output: Contribution to journalArticleResearchpeer review

A micromechanical model for the transformation induced plasticity in polycrystalline steels. / Waimann, Johanna; Junker, Philipp; Hackl, Klaus.
In: Proceedings in applied mathematics and mechanics, 2015.

Research output: Contribution to journalArticleResearchpeer review