CV
Last update: 02 Apr 2024
Please contact me directly if you need
a more detailed CV or pdf version.
Academic appointments
| 2024- | Postdoctoral Research Associate |
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Hamburg Observatory, University of Hamburg
Topics: Modeling of astrophysical plasmas; Subgrid-scale physics; Turbulence; Energy transfer in magnetized turbulence; Anisotropic effects in magnetized plasmas; Numerical methods for (magneto)-hydrodynamics; Large-scale simulations; Performance portable programming models for exascale computing; |
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| 2021-2023 | Marie Skłodowska-Curie Actions Postdoctoral Fellow |
| Hamburg Observatory, University of Hamburg | |
| 2016-2021 | Postdoctoral Research Associate |
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Department of Physics and Astronomy, Michigan State University, East Lansing
Department of Computational Mathematics, Science, and Engineering (MSU) |
Academic degrees
| 2016 | Ph.D. in Physics |
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02/2014 - 09/2016: Georg-August-University, Göttingen Max Planck Institute for Solar System Research Advisor: Prof. Dominik Schleicher Thesis: Large eddy simulations of compressible magnetohydrodynamic turbulence [pdf] |
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| 2013 | Master of Science in Computer Science - Major: Scientific Computing |
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10/2011 - 11/2013: Georg-August-University, Göttingen Advisor: Prof. Dominik Schleicher Thesis: Subgrid-scale modeling of isotropic turbulence in compressible magnetohydrodynamic large eddy simulations |
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| 2013 | Bachelor of Science in Physics |
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10/2010 - 12/2013: Georg-August-University, Göttingen Advisor: Prof. Dominik Schleicher Thesis: Magnetic field amplification in the early universe |
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| 2008 | Dipl.-Inf. (BA), Computer Science |
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10/2005 - 10/2008: University of Cooperative Education, Stuttgart Diploma thesis at HP Laboratories, Bristol, UK: Conception of Virtual Platforms and Enhancement Of The Xen Inter-Domain Communication Library |
Scholarships and awards
| 2023 | Quantum Universe Cluster of Excellence Postdoc Grant for Sustainable Software Development |
| 2021 | Marie Skłodowska-Curie Actions Individual Fellowship: Unraveling effects of anisotropy from low collisionality in the intracluster medium |
| 2020 | MSU Postdoctoral Excellence in Research Award (annual award for two postdocs at MSU from all disciplines) |
| 2020 | Seal of Excellence for Marie Skłodowska-Curie actions individual fellowship proposal (proposal score >85%) |
| 2019 | Seal of Excellence for Marie Skłodowska-Curie actions individual fellowship proposal (proposal score >85%) |
| 2017 | Sole recipient of the doctoral thesis award 2017 from the German Astronomical Society |
| 2017 | Admission to the two week Argonne Training Program on Extreme-Scale Computing with full support (travel, meals, lodging) |
| 2016 | Travel grant of the German Astronomical Society to support a research presentation at ASTRONUM 2016 |
| 2015 | Travel grant of the German Astronomical Society for the 16 th MHD Days |
| 2014 | Three year Ph.D. fellowship at the International Max Planck Research School for Solar System Science at the University of Göttingen |
Invited talks, colloquia, and seminars
| 02/2024 |
KITP Conference: Turbulence in the Universe
MHD turbulence from idealized boxes |
| 01/2024 |
OLCF User Conference Call
First experiences at the exascale with Parthenon – a performance portable block-structured adaptive mesh refinement framework |
| 07/2023 |
Lothar-Collatz-Colloquium for Applied Mathematics, Hamburg
As a matter of dynamical range – scale-dependent energy dynamics in magnetized turbulence and pushing simulation limits |
| 06/2023 |
Mike Norman Festschrift – 37 Years of developing Community Codes, Kloster Seeon
Pushing the Frontier of AGN Feedback Simulations |
| 05/2023 |
Athena++ User and Developer Meeting, Center for Computational Astrophysics, NY
Parthenon(-hydro) and AthenaPK First experiences at the exascale |
| 10/2022 |
Astrophysics, Gravitation, and Cosmology Seminar, U. of Illinois Urbana-Champaign
As a matter of dynamical range - scale-dependent energy dynamics in magnetized turbulence and pushing simulation limits |
| 04/2021 |
Colloquium (webinar), Colloquium, Hamburg Observatory, Germany
As a matter of tension – kinetic energy spectra in MHD turbulence and simulations of the intracluster medium (ICM) |
| 03/2021 |
Invited Minisymposium Talk (webinar), SIAM Computational Science and Engineering
Performance Portability in Practice: Challenges and Successes with K-Athena (physics/MHD) and Parthenon (AMR) |
| 01/2021 |
Invited Plenary Talk (webinar), Max-Planck-Princeton Center Annual Meeting
Subgrid-scale modeling in MHD turbulence: model overview and knowing what to capture |
| 12/2020 |
Research presentation, High Performance Computing Colloquium (webinar), Institute of Computer Science,
University of Göttingen
The multifaceted path towards exascale computing |
| 06/2020 |
Colloquium (webinar), Department of Astronomy, Universidad de Concepción, Chile
K-Athena -- a performance portable structured grid finite volume MHD code |
| 05/2020 |
Nambe webinar, Los Alamos/Lawrence Livermore/Sandia National Lab
As a matter of tension -- why Kolmogorov scaling is a slippery slope in MHD turbulence |
| 01/2020 |
Research presentation, Ruhr-Universität Bochum
Bridging scales: plasma turbulence modeling and the path to exascale computing |
| 11/2019 |
Cosmology Seminar, Max Planck Institute for Astrophysics
K-Athena -- a performance portable structured grid finite volume MHD code |
| 10/2019 |
Los Alamos Astrophysics Distinguished Seminar, Los Alamos
Correlations and energy transfer in magnetized turbulence |
| 09/2019 |
Institute of Theoretical Astrophysics, Heidelberg
Studying magnetized turbulence using simulations |
| 04/2019 |
Geophysical and Astrophysical Fluid Dynamics Seminar, UC Santa Cruz
Correlations and energy transfer in magnetized turbulence |
| 03/2019 |
Computing Sciences Seminar, Lawrence Berkeley National Laboratory, Berkeley, CA
Correlations and energy transfer in magnetized turbulence |
| 03/2019 |
Konkoly Observatory Seminar, Budapest, Hungary
Energy transfer in isothermal MHD turbulence |
| 10/2018 |
Astronomy & Astrophysics Seminar, Michigan State University, East Lansing,
Magnetized astrophysical turbulence — from phenomenology, to simulation, to modeling |
| 11/2017 |
Colloquium talk, Michigan Institute for Plasma Science and Engineering, Ann Arbor Energy transfer in compressible MHD turbulence Recording available online here |
| 11/2017 |
Colloquium talk,
University of Notre Dame, Energy transfer in compressible MHD turbulence |
| 09/2017 |
PhD Prize talk, Annual Meeting of the German Astronomical Society, Göttingen Large eddy simulations of compressible magnetohydrodynamic turbulence |
| 06/2017 |
Colloquium talk, Hamburger Sternwarte, Hamburg, Germany Energy transfer in compressible MHD turbulence |
| 06/2017 |
Colloquium talk, Institute for Astrophysics, University of Göttingen, Germany
Energy transfer in compressible MHD turbulence |
| 11/2015 |
Colloquium talk, Astronomy department, Universidad de Concepcion, Chile
Closing the foodchain of magnetic whorls - Introduction to subgrid-scale modeling of magnetohydrodynamic turbulence |
| 06/2015 |
Colloquium talk, Hamburger Sternwarte, Hamburg, Germany P. Grete and D. Vlaykov Nonlinear subgrid-scale closures in magnetohydrodynamic turbulence |
Computing grants
| 2023- |
Resolving Turbulent Multiphase Gas Dynamics PI of project EHPC-EXT-2022E01-050 on Lumi at CSC through a EuroHPC Extreme Scale Access allocation |
| 2023- |
Feedback and energetics from magnetized AGN jets in galaxy groups and clusters Co-PI of project AST146 on Frontier at OLCF through an INCITE award |
| 2022- |
The role of low collisionality in compressible, magnetized turbulence PI of project anisoturb on JUWELS at Jülich Supercomputing Centre (JSC) through an GCS Large Scale allocation |
| 2020-2022 |
The role of low collisionality in compressible, magnetized turbulence PI of project AST20004 on Frontera at TACC through an LRAC |
| 2019-2022 |
Measuring performance and scaling of Kokkos-accelerated Athena++ on Summit Co-PI on project AST146 at OLCF via Director's Discretionary program. |
| 2019-2020 |
The compressible, magnetized Taylor-Green vortex PI of project AST190021 at XSEDE |
| 2018-2019 |
Scaling and performance enhancement of an astrophysical plasma code Co-PI on project athena_performance at ALCF and AST133 at OLCF via Director's Discretionary programs |
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2017-2019 and 2021- |
Probing Galaxy Formation at Low and High Redshifts Co-PI on project MCA08X028 at XSEDE |
| 2017-2018 |
Turbulent small scale magnetic fields in the early Universe Co-PI on project hhp00039 at North-German Supercomputing Alliance Short description: [pdf] |
| 2015-2016 |
A priori and a posteriori testing of subgrid-scale closures in compressible MHD turbulence Co-PI on project nip00037 at North-German Supercomputing Alliance Short description: [pdf] |
Contributed talks and posters
| 06/2023 |
Modelling of Multiphase Astrophysical Media, Schloss Aspenstein
Feedback and energetics from magnetized AGN jets in galaxy groups and clusters |
| 11/2022 |
Challenges and Innovations in Computational Astrophysics IV
Parthenon – a performance portable block-structured adaptive mesh refinement framework |
| 10/2022 |
Parthenon Developer Meeting, Los Alamos
AthenaPK - a performance portable MHD AMR code |
| 08/2022 |
Plasma Physics Meets AI: Workshop on Subgrid-scale Modeling of Turbulence, Helsinki
Subgrid-scale modeling of magnetized turbulence in astrophysics |
| 08/2022 |
6th ICM Theory and Computation Workshop, Copenhagen
As a matter of dynamical range - scale-dependent energy dynamics in MHD turbulence |
| 11/2021 |
Talk at the IAU Symposium 362 on The predictive power of computational astrophysics as discovery tool
Performance Portable Astrophysical Simulations: Challenges and Successes with K-Athena (MHD) and AthenaPK/Parthenon (AMR) |
| 10/2021 |
Talk at the
Royal Astronomical Society Specialist Discussion Meeting on
"Galactic magnetic fields: connecting theory, simulations, and observations"
As a matter of tension - Kinetic energy spectra in MHD turbulence |
| 09/2020 |
Talk at "Computational Astrophysics Splinter Meeting" at the Virtual German Astronomical Society Meeting
As a matter of tension - Kinetic energy spectra in MHD turbulence |
| 02/2020 |
CMSE Postdoc Thunder Talk, East Lansing, MI
K-Athena - A performance portable structured grid finite volume MHD code |
| 12/2019 |
CMSE mini-symposium on plasma physics, East Lansing, MI
MHD Turbulence - Theory and Simulation |
| 11/2019 |
Talk at "Cosmic turbulence and magnetic fields : physics of baryonic matter across time and scales", Cargèse, France
Correlations and energy transfer in magnetized turbulence |
| 09/2019 |
Talk at "Computational Astrophysics Splinter Meeting" at the German Astronomical Society Meeting, Stuttgart, Germany
K-Athena – a performance portable structured grid finite volume MHD code |
| 07/2019 |
Talk at "ASTRONUM 2019 - 14th International Conference on Numerical Modeling of Space Plasma Flows", Paris, France
K-Athena – a performance portable structured grid finite volume MHD code |
| 04/2019 |
Talk at "Kokkos User Meeting", Albuquerque, NM
K-Athena — enabling GPU accelerated Athena++ simulations using the performance portability library Kokkos: porting experience and results |
| 03/2019 |
Talk at "Athena++ User Meeting", Las Vegas, NV
Correlations and energy transfer in compressible isothermal and adiabatic MHD turbulence |
| 03/2019 |
Talk at "Athena++ Developer Meeting", Las Vegas, NV
K-Athena — enabling GPU accelerated Athena++ simulations using the performance portability library Kokkos: porting experience and results |
| 03/2019 |
Talk at "Physics of the Intracluster Medium: Theory and Computation", Budapest, Hungary
Correlations and energy transfer in compressible isothermal and adiabatic MHD turbulence |
| 11/2018 |
Talk at "MHD Days and GdRI Dynamo Meeting", Dresden, Germany
Correlations and energy transfer in compressible isothermal and adiabatic MHD turbulence |
| 06/2018 |
Talk at "ASTRONUM 2018 - 13th International Conference on Numerical Modeling of Space Plasma Flows", Panama City Beach, FL
As a matter of force — Systematic biases in idealized turbulence simulations |
| 05/2018 |
Talk at the "2018 Midwest Magnetic Fields Meeting", Madison, WI
As a matter of force — Systematic biases in idealized turbulence simulations |
| 05/2018 |
Talk at "Enzo Workshop 2018", Atlanta, GA
What energy transfer analysis can tell us about numerics |
| 03/2018 |
Talk at "SnowCluster - The Physics of Galaxy Clusters", Snowbird, Utah
As a matter of force — Systematic biases in idealized turbulence simulations |
| 06/2017 |
Talk at "ASTRONUM 2017 - 12th International Conference on Numerical Modeling of Space Plasma Flows", Saint Malo, France
Energy transfer in compressible MHD turbulence |
| 12/2016 |
Talk at “17 th MHD Days”, Göttingen, Germany
Large eddy simulations of decaying supersonic MHD turbulence |
| 08/2016 |
Poster at “Physics of the Intracluster Medium: Theory & Computation Workshop”, Minneapolis, MN, USA
Subgrid-scale closures for MHD turbulence |
| 06/2016 |
Talk at “ASTRONUM 2016 - 11th International Conference on Numerical Modeling of Space Plasma Flows”, Monterey, CA, USA
A compressible, nonlinear subgrid-scale model for magnetohydrodynamic turbulence |
| 05/2016 |
Poster at “6th Les Houches school in numerical physics “International School of
Computational Astrophysics”, Les Houches, France
Subgrid-scale closures for MHD turbulence |
| 01/2016 |
Talk at “S3 seminar”, MPI for Solar System Research, Göttingen, Germany
Nonlinear subgrid-scale closures in MHD turbulence from the subsonic to the highly supersonic regime |
| 12/2015 |
Talk at “16 th MHD Days”, Ilmenau, Germany
Subgrid-scale modeling of compressible MHD turbulence |
| 03/2015 |
Talk at winter school on “Turbulence, magnetic fields and self organization in
laboratory and astrophysical plasmas”, Les Houches, France
Nonlinear subgrid-scale closures in magnetohydrodynamic turbulence |
| 01/2015 |
Talk at “S3 seminar”, MPI for Solar System Research, Göttingen, Germany
Nonlinear subgrid-scale closures in magnetohydrodynamic turbulence |
| 12/2014 |
Talk at “15 th MHD Days”, Potsdam, Germany
Nonlinear subgrid-scale closures in magnetohydrodynamic turbulence |
| 11/2014 |
Poster at Conference “Magnetic fields from the sun to black holes”, Paris, France
D. Vlaykov and P. Grete Subgrid-scale closures for MHD turbulence |
| 09/2014 |
Talk at “XXXIV Dynamics Days Europe, Nonlinear Phenomena in Plasma Astrophysics”, Bayreuth, Germany
Subgrid-scale closures in highly compressible MHD turbulence: turbulent energies |
| 08/2014 |
Talk at “5th Black Sea Biennial School and Workshop on Space Plasma Physics”,
Kiten, Bulgaria
Subgrid-scale modeling of highly compressible MHD turbulence: momentum closure |
| 01/2014 |
Talk at “Cosmology seminar”, Institute for Astrophysics, Göttingen, Germany
How to tackle turbulence in magnetohydrodynamic simulations |
| 10/2013 |
Poster at workshop on “Astrophysical Turbulence: From Galaxies to Planets”,
Dresden, Germany
D. Vlaykov and P. Grete Large eddy simulations of MHD turbulence |
Teaching
| June 2021 | Remote workshop on “Collaborative Version Control” for REU undergraduate summer students. |
| May 2021 | Mentor at the IDRIS GPU Hackathon 2021. |
| Dec 2020 | Remote lecture (one class) on “Computational Fluid Dynamics in Astrophysics” at GSU. |
| May 2020 | Remote workshop on “Collaborative Version Control” for REU undergraduate summer students. |
| Oct 2019 | Tutorials at Los Alamos National Lab on using and developing K-Athena and Kokkos |
| Summer 2019 |
"Sustainable software practices with collaborative version control"
Inquiry based module for incoming undergraduate summer students. |
| Fall 2018 |
Course on “Computational astrophysics”
Co-lecturer with Prof. B. W. O'Shea covering multiple methods for solving partial differential equations with an emphasis on hyperbolic conservation laws. |
| Fall 2018 |
Course on "Computational modeling"
Taught module on "Computationally solve for and understand the evolution of a system that is modeled by ordinary differential equations" using an inquiry-based approach. |
| May 2018 |
Instructor at the Enzo Workshop 2018
Supported participants during all session in setting up Enzo (for simulations) and yt (for analysis), and lead a session on advanced yt usage covering, for example, creating derived fields and custom radial profiles, and clump finding. |
| Spring 2017 |
Course on “Computational astrophysics”
Guest lecturing for Prof. Brian O’Shea on numerical methods for fluid dynamics |
| Winter 2014/15 |
Seminar on “Compact objects”
Teaching assistant to Prof. D. Schleicher including presentation skills training for students |
| Winter 2014/15 |
Lab course on “Dark matter in spiral galaxies”
Guidance of students during the lab (degenerate, multi-component fits of rotation curves) and lab report review |
| Summer 2014 |
Course on “Computational Physics”
Teaching assistant to Prof. D. Schleicher and PD Dr. W. Schmidt on solving ordinary and partial differential equations with different techniques including adaptive time-stepping, FFTs, relaxation and finite volume methods. Design and implementation of new joint exercise/course assessment format. |
Outreach
| 07/2023 |
Sternstunden Festival at the Hamburg Observatory
Ask an astrophysicist |
| 04/2023 |
Girls Day at the Hamburg Observatory
Hands-on computational astrophysics lab |
| 10/2022 |
Open Day at the Hamburg Observatory
Built and demonstrated an interactive supercomputing model |
| 12/2019 |
Astronomy on Tap in Lansing, MI
Talk on How to wipe your credit card from space. Behold, the magnetar! |
| 04/2019 |
MSU Science Festival in East Lansing, MI
Lead the "Computational Science: Robots, Supercomputers, and Virtual Reality, Oh My!" booth at the Science Expo where visitors were able to use virtual reality headsets to explore computer simulations of molecules and galaxies, learn to program a robot arm to do things, and learn what makes a supercomputer "super" by interacting with simulations that are running on it. |
| 04/2019 |
Astronomy on Tap in Lansing, MI
Talk on Rubber bands in space! |
| 02/2019 |
Society of Physics Students Meeting in East Lansing, MI
Talk with hands-on session on What’s so super in supercomputer? Theory & Practice |
| 11/2018 |
Rotary Club Meeting in Peine, Germany
Talk on What’s so super in supercomputer and why supercomputers cannot be large enough? |
| 08/2018 |
Astronomy on Tap in Lansing, MI
Talk and hands-on demonstration on What’s so super in supercomputer? Theory & Practice |
| 04/2018 |
MSU Science Festival in East Lansing, MI
Lead the "Hands-on supercomputing" booth where a self-made supercomputer model based on Raspberry Pis was presentend. Provided a virtual reality experience of a turbulence simulation. |
| 10/2017 |
Astronomy on Tap in Lansing, MI
Talk on We shot what into space? And it came back? |
| since 01/2017 |
Astronomy on Tap in Lansing, MI
Member of the organizing committee and responsible for the raffle. |
| 04/2017 |
MSU Science Festival in East Lansing, MI
Support of the astronomy booth illustrating and explaining, for example, curved spacetime with a marbles and a rubber sheet. |
| 11/2016 |
Astronomy on Tap in Lansing, MI
Talk on Astrophysical turbulence - fasten your seatbelts for a bumpy ride through space |
| 10/2014 |
Public night at the
Institute for Astrophysics, Göttingen
Talk on Plasma Turbulenz - misst Du noch oder simulierst Du schon? (Plasma turbulence - are you still experimenting or already simulating?) |
Professional development
| 10/2022 - 06/2023 | Navigating Successfully in Academia by the Hamburg Research Academy. Five two-day workshops incl. group management, communication, or university dynamics. |
| 03/2019 - 06/2019 |
Professional Development Program
(PDP) of the Institute for
Scientist & Engineer Educators as design team leader. Several multi-day workshops covering an inquiry based teaching approach with specific focus and equity and inclusion in STEM subjects. Target activity: Sustainable software practices via collaborative version control |
| 07/2018 |
Performance Portability with Kokkos at
Oak Ridge National Laboratory Four-day training organized by the Exascale Computing Project covering the Kokkos programming model and library for writing performance portable code. |
| 03/2018 - 09/2019 |
Professional Development Program
(PDP) of the Institute for
Scientist & Engineer Educators Several multi-day workshops covering an inquiry based teaching approach with specific focus and equity and inclusion in STEM subjects. Target activity: Computationally solving and understanding the evolution of a system that is modeled by ordinary differential equations. |
| 01/2018 |
Write Winning Grant Proposal Full day workshop by Grant Writers' Seminars and Workshops, LLC |
| 08/2017 |
Argonne Training Program on Extreme-Scale Computing
(ATPESC) Two-week training organized by the Exascale Computing Project covering programming methodologies that are effective across a variety of supercomputers. |
Professional experience
|
10/2011 - 10/2010 (part time) |
Program Manager in the EMEA Presales organization at Hewlett-Packard GmbH |
|
09/2010 -
10/2008 (full time) |
Technical Presales Consultant in the EMEA Presales organization at Hewlett-Packard GmbH |
Community Service
| 09/2020 | Organization of the "Computational Astrophysics Splinter Meeting" at the Virtual German Astronomical Society Meeting |
| 09/2019 | Organization of the "Computational Astrophysics Splinter Meeting" at the German Astronomical Society Meeting |
| 05/2017 - 04/2021 | MSU Postdoctoral Association. Member-at-large of the Steering Committee Supported review of awards and the strategic planning process of the Graduate School. |
Active involvement in multiple student and faculty panels/committees within the Physics Faculty at the University of Göttingen including
| 2015-2016 | Elected member of the faculty council |
| 2012-2015 | Appointed member of the study commission including design and implementation of a new curriculum |
| 2013 | Chair of the student representative council |
| 2012-2016 | Elected member of the student parliament and student representative council |
Memberships
| 2005 - | Deutsche Physikalische Gesellschaft (German Physical Society) |
| 2015 - | Astronomische Gesellschaft (German Astronomical Society) |
| 2019 - | European Astronomical Society |
| 2021 - | Society for Industrial and Applied Mathematics |