Dr. Ferdinand Thein

Academic Positions

• PostDoc, IGPM, RWTH Aachen University (April 2022 - present)
  Research group of Prof. Dr. Michael Herty
• PostDoc, Otto-von-Guericke-Universität Magdeburg (until March 2022)
  Research group of Prof. Dr. Gerald Warnecke
• PhD in Mathematics, Otto-von-Guericke Universität Magdeburg, (2018)
  Supervisor: PD Dr.in Maren Hantke,

Research Interests

• Focus on different aspects of hyperbolic PDEs: modelling, analysis, numerics and applications
• Riemann Problems
• Compressible multiphase flows including: diffuse mixtures, sharp interface problems, phase transitions
• Relativistic Euler Equations
• Control of hyperbolic PDEs

Preprints

• The Shizuta - Kawashima Condition for the Barotropic SHTC Two Fluid Model
  Ferdinand Thein
  In: XVIII International Conference on Hyperbolic Problems: Theory, Numerics, Applications (accepted), 2023

• Boundary Feedback Control for Hyperbolic Systems
  Herty, Michael and Thein, Ferdinand
  In: arXiv, 2023

Publications

2023

• Monitoring the evolution of dimensional accuracy and product properties in property-controlled forming processes
  Stebner, S. C.; Martschin, J.; Arian, B.; Dietrich, S.; Feistle, M.; Hütter, S.; Lafarge, R.; Laue, R.; Li, X.; Schulte, C.; Spies, D.; Thein, F.; Wendler, F.; Wrobel, M.; Vasquez, J. R.; Dölz, M. & Münstermann, S.
  In: Advances in Industrial and Manufacturing Engineering, 2023,100133

• Stabilization of a Multi-Dimensional System of Hyperbolic Balance Laws
  Herty, Michael and Thein, Ferdinand
  In: Mathematical Control and Related Fields, 2023

• Explicit implicit domain splitting for two phase flows with phase transition
  May, Sandra and Thein, Ferdinand
  In: Physics of Fluids, 2023, 35, 016108

2022

• New Machine Tool Control for Hot Forming of Lightweight Materials
  Feistle, M.; Burger, S.; Li, R.; Bambach, M.; Thein, F. & Herty, M.
  In: 36. ASK Forming Technology, 2022

• Stabilization of a Multi-Dimensional System of Hyperbolic Balance Laws - A Case Study
  Thein, Ferdinand
  In: Proceedings in Applied Mathematics and Mechanics, 2022, 22, 1

• Stabilization of forming proceses using multi-dimensional Hamilton-Jacobi equations
  Bambach, M.; Gugat, M.; Herty, M. & Thein, F.
  In: CDC Proceedings , 2022, 61th IEEE Conference on Decision and Control (CDC)

• Exact and numerical solutions of the Riemann problem for a conservative model of compressible two-phase flows
  Thein, Ferdinand, Romenski, Evgeniy, Dumbser, Michael
  In: Journal of Scientific Computing, 2022, 93, 83

2021

• On the invariant region for compressible Euler equations with a general equation of state
  Hailiang Liu, Ferdinand Thein
  In: Communications on Pure & Applied Analysis, 2021, 20 (7 & 8),2751 - 2763

2020

• A Numerical Method for Two Phase Flows with Phase Transition Including Phase Creation
  Hantke, Maren, Thein, Ferdinand
  In: Continuum Mechanics, Applied Mathematics and Scientific Computing: Godunov's Legacy: A Liber Amicorum to Professor Godunov
  Demidenko, G. V.; Romenski, E.; Toro, E. & Dumbser, M. (Eds.),
  Springer International Publishing, 2020, 177-183

• A simple diffuse interface approach for compressible flows around moving solids of arbitrary shape based on a reduced Baer-Nunziato model
  Kemm, F., Gaburro, E., Thein, F., Dumbser, M.
  In: Computers & Fluids, 2020, 204, 104536

2019

• On the Impossibility of First-Order Phase Transitions in Systems Modeled by the Full Euler Equations
  Hantke, Maren, Thein, Ferdinand
  In: Entropy, 2019, 21

• A general existence result for isothermal two-phase flows with phase transition
  Hantke, Maren, Thein, Ferdinand
  In: Journal of Hyperbolic Differential Equations, 2019, 16 (04), 595-637

2016

• Singular and selfsimilar solutions for Euler equations with phase transitions
  Thein, Ferdinand, Hantke, Maren
  In: Bulletin of the Brazilian Mathematical Society, New Series, 2016, 47 (2), 779--786

2015

• Why condensation by compression in pure water vapor cannot occur in an approach based on Euler equations
  Maren Hantke, Ferdinand Thein
  In: Quart. Appl. Math., 2015, 73 (3), 575-591

2014

• Numerical solutions to the Riemann problem for compressible isothermal Euler equations for two phase flows with and without phase transition
  Maren Hantke, Ferdinand Thein
  In: Hyperbolic Problems, Theory, Numerics, Applications,
  Fabio Ancona, Alberto Bressan, Pierangelo Marcati, Andrea Marson (eds.), Applied Mathematics 8, American Institute of Mathematical Sciences,2014, 651 - 658

2012

• On the efficiency and robustness of the core routine of the quadrature method of moments (QMOM)
  Volker John, Ferdinand Thein
  In: Chemical Engineering Science, 2012, 75 (0), 327 - 333

PhD Thesis

• F. Thein
  Results for Two Phase Flows with Phase Transition
  Otto-von-Guericke-Universität Magdeburg, 2018.

Teaching Experience (Excerpt)

Lectures

Summer 2021	Modellierung 2
Fall 2020/2021	Analysis I
Summer 2020	Modellierung 2
Summer 2019	Modellierung 2
Summer 2018	Modellierung 2

Tutorials

Fall 2023/24	Mathematik I
Summer 2023	Mathematik II
Fall 2022/23	Mathematik I
Fall 2021/22	Analysis 1
Fall 2021/2022	Numerik gew. DGL
Fall 2019/2020	Numerik gew. DGL
Fall 2019/2020	Mathematik I
Fall 2018/2019	Analysis I
Fall 2018/2019	Numerik gew. DGL
Summer 2018	Numerik I
Fall 2017/2018	Numerik gew. DGL
Fall 2017/2018	Mathematik II/2
Summer 2017	Numerik I
Fall 2016/2017	Analysis III
Summer 2016	Mathematik II/1
Fall 2015/2016	Mathematik I
Summer 2015	Mathematik II
Summer 2015	Analysis II
Fall 2009/2010	Numerik I

Conferences (Excerpt)

As Organizer

Sep 10 - 16, 2023	16th Hirschegg Workshop on Conservation Laws (Hirschegg, Austria)	Gerald Warnecke
Jun 29 - Jul 01, 2022	Hyperbolic Balance Laws and Beyond (Magdeburg, Germany)	Maren Hantke, Christiane Helzel Mária Lukácová-Medvidová
Mar 07 - 11, 2022	CIRM: Perspectives on Multiphase Fluid Dynamics, Continuum Mechanics and Hyperbolic Balance Laws (2694)
Sep 12 - 18, 2021	15th Hirschegg Workshop on Conservation Laws (Hirschegg, Austria)	Gerald Warnecke
Mar 09 - 11, 2020	Perspectives on Multiphase Fluid Dynamics, Continuum Mechanics and Hyperbolic Balance Laws (Magdeburg, Germany)	Gerald Warnecke
Sep 08 - 14, 2019	14th Hirschegg Workshop on Conservation Laws (Hirschegg, Austria)	Gerald Warnecke
Sep 17 - 23, 2017	13th Hirschegg Workshop on Conservation Laws (Hirschegg, Austria)	Maren Hantke, Gerald Warnecke
Sep 08 - 10, 2016	Recent Advances in Analysis and Numerics of Hyperbolic Conservation Laws (Magdeburg, Germany)	Maren Hantke, Christiane Helzel Mária Lukácová-Medvidová
Sep 13 - 19, 2015	12th Hirschegg Workshop on Conservation Laws (Hirschegg, Austria)	Maren Hantke, Gerald Warnecke

Talks

Oct 26 - 27, 2022	Aachen: 36. ASK Umformtechnik
Aug 15 - 19, 2022	Aachen: GAMM 92nd Annual Meeting	Stabilization of Multi-Dimensional Hamilton-Jacobi Equations
Jun 29 - Jul 01, 2022	Magdeburg: Hyperbolic Balance Laws and Beyond	Wave Phenomena in a Non-Strictly Hyperbolic System for Compressible Two Phase Flows
Jun 20 - 24, 2022	Malaga: 18th International Conference on Hyperbolic Problems	A Non-Strictly Hyperbolic System for Compressible Two Phase Flows
Mar 07 - 11, 2022	Perspectives on Multiphase Fluid Dynamics, Continuum Mechanics and Hyperbolic Balance Laws (2694)	Wave Phenomena in a Non-Strictly Hyperbolic System for Compressible Two Phase Flows
Aug 29 - Sep 04, 2021	MFO Workshop: Advanced Numerical Methods for Nonlinear Hyperbolic Balance Laws and Their Applications (2135a)	Wave Phenomena in a Non-Strictly Hyperbolic System for Compressible Two Phase Flows
Sep 10 - 15, 2020	Vysoke Tatry, Podbanske: Algoritmy 2020 (online)	The Riemann Problem for a Barotropic Two Fluid Model
Nov 04 - 08, 2019	Mathematical and Numerical Modeling of Multiphase Flows (Stuttgart, Germany)	The Riemann Problem for a Barotropic Two Fluid Model (Invited Talk)
Sep 09 - 14, 2019	14th Hirschegg Workshop on Conservation Laws (Hirschegg, Austria)
Aug 04 - 10, 2019	Mathematics and its Applications - in honor of the 90th birthday of S.K. Godunov (Novosibirsk, Russia)	A Numerical Method for Two Phase Flows with Phase Transition including Phase Creation
Sep 17 - 23, 2017	13th Hirschegg Workshop on Conservation Laws (Hirschegg, Austria)
Jun 04 - 10, 2017	Oberwolfach Seminar: Compressible and Incompressible Multiphase Flows: Modelling, Analysis, Numerics	The Riemann Problem for Compressible Two Phase Flows with Phase Transition
Aug 01 - 05, 2016	16th International Conference on Hyperbolic Problems (Aachen,Germany)	Analytical Results for Compressible Two Phase Flow with Phase Transition
Jun 19 - 25, 2016	Oberwolfach Workshop: Hyperbolic Techniques in Modelling, Analysis and Numerics	Analytical Results for Isothermal and Adiabatic Two Phase Flow with Phase Transition
Sep 13 - 19, 2015	12th Hirschegg Workshop on Conservation Laws (Hirschegg, Austria)	An Analytical Result for Isothermal Two Phase Flow with Phase Transition
Feb 25 - 27, 2015	Micro-Macro Modelling and Simulation of Liquid-Vapor-Flows (Freiburg, Germany)
Jul 28 - Aug 01, 2014	15th International Conference on Hyperbolic Problems (Rio de Janeiro, Brazil)	On the Exact Solutions to the Riemann Problem for Compressible Euler Equations for Two Phase Flows with and without Phase Transition
Feb 25 - 27, 2014	9th DFG-CNRS Workshop "Two-Phase Fluid Flows - Modelling, Analysis and Computational Methods" (Paris, France)
Sep 08 - 14, 2013	11th Hirschegg Workshop on Conservation Laws (Hirschegg, Austria)	On the Exact Solutions to the Riemann Problem for Compressible Euler Equations for Two Phase Flows with and without Phase Transition
Feb 06 - 08, 2013	8th DFG-CNRS Workshop "Two-Phase Fluid Flows - Modelling, Analysis and Computational Methods" (Berlin, Germany)
Nov 28 - 30, 2012	Workshop: Numerical Methods for Two-phase Flow (Stuttgart, Germany)	Numerical Solutions to the Riemann Problem for Compressible Isothermal Euler Equations for Two Phase Flows with Phase Transition
Jun 25 - 29, 2012	14th International Conference on Hyperbolic Problems (Padova, Italy)	Riemann solver for compressible isothermal Euler equations for two phase flows with phase transition (Poster)

Other

Research Stays

• Guest Researcher, University of Trento (April - October 2019)
  Research group of Prof. Dr. Michael Dumbser

Guest Editor

• Focused Issue in Communications on Applied Mathematics and Computation

Reviewer for

• Applied Mathematics and Computation
• Applied Numerical Mathematics
• Computers and Fluids
• International Journal for Numerical Methods in Fluids
• Journal Of Computational Physics
• Journal Of Scientific Computing
• SIAM Journal on Scientific Computing
• Symmetry
• Zeitschrift für angewandte Mathematik und Physik
• zbMATH Open