Deputy group leader MHD and fast particles
Max Planck Institute for Plasma Physics
Boltzmannstr. 2 · 85748 Garching · Germany
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The focus of our research is on large-scale instabilities in tokamak plasmas. Simulations in particular with the non-linear extended MHD code JOREK (see here) aim to interpret and predict the non-linear dynamics of such instabilities in magnetically confined fusion plasmas. The focus is on studies of edge localized modes (ELMs), disruptions, vertical displacement events (VDEs), tearing modes, runaway electrons, and techniques for the control, suppression, or mitigation of these phenomena. The physics models and numerical methods of the code are continuously developed further. The research is carried out in a strong international team.
Since 2019: Deputy group leader MHD and fast particles at Max Planck Institute for Plasma Physics.
Since 2015: Principal Investigator of two EUROfusion Enabling Research Projects with more than 30 contributors.
Since 2013: Staff scientist at Max Planck Institute for Plasma Physics.
2010 to 2013: Postdoctoral Researcher at Max Planck Institute for Plasma Physics including research stays at CEA/IRFM Cadarache and ITER Organization.
2010: PhD in physics from Technical University Munich: Diffusive Heat Transport across Magnetic Islands and Stochastic Layers in Tokamaks
- The full list of projects is available here. Full list at matthias-hoelzl.org/projects.html
Optimization of the efficiency and scalability of the solver in the non-linear MHD code JOREK. EUROfusion High Level Support Team Project (7/2019–12/2020).
Strengthening the non-linear MHD code JOREK for application to key questions of the fusion roadmap. EUROfusion Enabling Research Project (1/2019–12/2020).
Computing time for non-linear MHD simulations of disruptions and ELMs and developments for efficiency and stellarator geometry. Marconi-Fusion Supercomputer (01/2019–12/2019).
Implementation and validation of a model for halo-currents in the non-linear MHD code JOREK and demonstration of 3-D VDEs simulations in ITER. ITER Project (12/2016–4/2019).
- The full list of publications is available here. Full list at matthias-hoelzl.org/publications.html
Kinetic modelling of ELM-induced W transport in ASDEX Upgrade. Physics of Plasmas 26, 042508 (2019)
Characterization of low frequency inter-ELM modes at the pedestal top of H-mode discharge at ASDEX Upgrade Nuclear Fusion 58, 112011 (2018)
Non-linear magnetohydrodynamic simulations of Edge Localised Modes triggering via vertical oscillations. Nuclear Fusion 58, 096018 (2018).
Insights into type-I ELMs and ELM control methods from JOREK MHD simulations. Contributions to Plasma Physics 58, 518 (2018).
Nonlinear coupling induced toroidal structure of edge localized modes. Nuclear Fusion 58, 026011 (2018).
Progress in understanding disruptions triggered by massive gas injection via 3D non-linear MHD modelling with JOREK. Plasma Physics and Controlled Fusion 59, 014006 (10/2016).
Energy conservation and numerical stability for the reduced MHD models of the non-linear JOREK code. ESAIM: Mathematical Modelling and Numerical Analysis 49, 1331 (08/2015). arxiv:1408.2099
Modeling a massive gas injection triggered disruption in JET with the JOREK code. Physics of Plasmas 22, 062509 (06/2015).
Non-Linear Simulations of MHD Instabilities in Tokamaks Including Eddy Current Effects and Perspectives for the Extension to Halo Currents. Journal of Physics: Conference Series 561, 012011 (12/2014). arxiv:1408.6379
Coupling the JOREK and STARWALL Codes for Non-linear Resistive-wall Simulations. Journal of Physics: Conference Series, 401, 012010 (12/2012). arxiv:1206.2748
Determination of the heat diffusion anisotropy by comparing measured and simulated electron temperature profiles across magnetic islands. Nuclear Fusion, 49, 115009 (09/2009).
Conference and Workshop Contributions
- The full list of conference contributions is available here. Full list at matthias-hoelzl.org/conferences.html
Proposed Simulations of edge localized mode dynamics and their control. 28th IAEA Fusion Energy Conference (FEC 2020), Nice, France (10/2020).
Oral Recent progress in simulating realistic ELM dynamics with JOREK. 37th Meeting of the Pedestal and Edge Physics ITPA Topical Group, San Diego, USA (4/2020).
Oral Disruption oriented research with the JOREK code. 8th Runaway Electron Modelling (REM) meeting, Gothenburg, Sweden (1/2020).
Invited Oral Edge localized modes and disruptions – Insights into large-scale plasma instabilities from non-linear MHD simulations. Institute Colloquium, Max Planck Institute for Plasma Physics, Garching, Germany (12/2018).
Invited Oral Simulating tokamak edge instabilities: advances and challenges. 45th European Physical Society Conference on Plasma Physics (EPS), Prague, Czech Republic, I5.J601 [abstract] (7/2018).
Teaching and Supervision
- The full list of teaching activities is available here. Full list at matthias-hoelzl.org/teaching.html
Supervison of various Postdoctoral Researchers, PhD, master and bachelor students, as well as many working students. Substitutions for plasma physics lectures at Technical University Munich.
Since 2018: Chair of High Performance Computing Committee and member of IT coordination committee at Max Planck Institute for Plasma Physics
2018: Member of EUROfusion Ad Hoc Group on Disruption and Run-away Electron Research & Development Strategy in view of preparing ITER and DEMO operation
2014 to 2018: Member of scientists' representative council of Max Planck Institute for Plasma Physics
Since 2013: Coordinator of JOREK code development, organizer of JOREK remote seminar, administrator of JOREK website and collaboration platform
Referee for: Springer Nature Publishing, Physical Review Letters, Computer Physics Communications, Nuclear Fusion, Physics of Plasmas, Plasma Physics and Controlled Fusion, Physica Scripta, United States Department of Energy, L'Agence nationale de la recherche, Netherlands Organisation for Scientific Research, etc. — Some of the reviews are listed at Publons.
(c) 2012–2020 Matthias Hoelzl, Schwarzstr. 14, 85604 Zorneding, Germany.
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