Publications

Theses

• • Dissertation: Efficient Evolution Algorithms for Embedded Interfaces: From Inverse Parameter Estimation to a Level Set Method for Ductile Fracture [view][download]

  • Diplom thesis: An Adaptive Hybrid Method for 2D Crack Growth Simulation [view][download]

Peer-reviewed Publications

2018:

• • J.-H. Menke, J. Hegemann, S. Gehler, M. Braun, Heuristic monitoring method for sparsely measured distribution grids, International Journal of Electrical Power & Energy Systems, Volume 95, Pages 146–155, February 2018. [website]

  • D. Fetzer, G. Lammert, S. Gehler, J. Hegemann, R. Schmoll, M. Braun, Integration of voltage dependent power injections of distributed generators into the power flow by using a damped Newton methodInternational Journal of Electrical Power &amp Energy Systems, Volume 99, Pages 695-705, July 2018. [website]

2017:

• • E. Drayer, N. Kechagia, J. Hegemann, M. Braun, M. Gabel, R. Caire, Distributed Self-Healing for Distribution Grids with Evolving Search Space, IEEE Transactions on Power Delivery, 2017. [website]

2016:

• • E. Drayer, J. Hegemann, S. Gehler, M. Braun, Resilient distribution grids - cyber threat scenarios and test environment,  2016 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe), 2016. [website]

2015:

• • M. Vogt, F. Marten, L. Löwer, D. Horst, K. Brauns, D. Fetzer, J.-H. Menke, M. Troncia, J. Hegemann, C. Töbermann, M. Braun, Evaluation of interactions between multiple grid operators based on sparse grid knowledge in context of a smart grid co-simulation environment, 2015 IEEE Eindhoven PowerTech, Eindhoven, 2015. [website]

  • E. Drayer, F. Meyer, J. Hegemann, M. Braun, Control strategies for a decentralized, real-time operation of distribution grids, 2015 IEEE Eindhoven PowerTech, Eindhoven, 2015. [website]

  • E. Drayer, J. Hegemann, M. Lazarus, R. Caire, M. Braun, Agent-based distribution grid operation based on a traffic light concept, 23nd International Conference on Electricity Distribution (CIRED), Lyon, 2015.

  • E. Drayer, J. Hegemann, M. Lazarus, M. Braun, Umsetzung des BDEW-Ampelkonzeptes für eine agenten-basierte Verteilnetzbetriebsführung, ETG Fachtagung "Von Smart Grids zu Smart Markets 2015'", Kassel, 2015.

2013:

• • J. Hegemann, C. Jiang, C. Schroeder, and J. Teran, A Level Set Method for Ductile Fracture, ACM SIGGRAPH/Eurographics Symposium on Computer Animation (SCA), pp. 193-201, 2013. [view][download][website] - Awarded Best Paper (Passive Animation) at SCA!

  • J. Hegemann, A. Cantarero, C. Richardson, and J. Teran. An explicit update scheme for inverse parameter and interface estimation of piecewise constant coefficients in linear elliptic PDEs, SIAM Journal on Scientific Computing, 35(2), pp. A1098-A1119, 2013. [view][download][website]

2011:

• • C. Richardson, J. Hegemann, E. Sifakis, J. Hellrung, and J. Teran. An XFEM method for modeling geometrically elaborate crack propagation in brittle materials, International Journal for Numerical Methods in Engineering, 2011; 1097-0207. [view][download][website]

Publications in proceedings and collected volumes

2013:

• • J.Teran, J. Hellrung , and J. Hegemann. Simulation of Elasticity, Biomechanics, and Virtual Surgery, in Mathematics in Image Processing,  Hongkai Zhao (Editor), IAS/Park City Mathematics Series, vol. 19, pp. 209–-245, American Mathematical Society, Providence, RI, 2013. [view][download]

Selected Conferences and Workshops

• • Dutch-German Energy Meeting: 3rd Edition Smart Grids. Invited Speaker on "Mathematical Optimisation in Distribution Grids''.

  • German-Irish Smart Grid Summit, Dublin, Ireland, October 2015. Invited Speaker on "Optimising Distribution Grids''.

  • 23nd International Conference on Electricity Distribution (CIRED), Lyon, France, May 2015. Poster Presentation: Agent-based distribution grid operation based on a traffic light concept'.

  • SIAM Annual Meeting 2012, Minneapolis, USA, July 2012. Poster presentation: Explicit Update Scheme for Inverse Elliptic Problems. [view][download]

  • Mathematical Problems in Industry Workshop, New Jersey Institute of Technology, Newark, USA, June 2011. "Fast Computation of Loss Distributions for Credit Portfolios" with Standard & Poor's.