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Institut für Mechanik und Meerestechnik
Logo Institut für Mechanik und Meerestechnik
Institut für Mechanik und Meerestechnik
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MUM > Team > Leo Dostal

Dr. Leo Dostal

Keine Verbindung zur Kontaktdatenbank
  • dostal at tuhh.de

 

Sprechstunde

nach Vereinbarung

Research Interests
  • Inference and prediction
  • Random nonlinear dynamical systems and their control
  • Machine learning methods
  • Stochastic and Partial Differential Equations

Publications

2022

2021

2020

2019

2018

2017

2016

2014

2013

2012

2011

Invited Talks
  • Oktober 2019:  Workshop on Statistical Inference for Stochastic PDEs, Humboldt-Universität zu Berlin, Germany
  • Oktober 2018:  “Random Nonlinear Ocean Waves and Seismic Waves“, Delft University of Technology, Netherlands
  • April 2014: “Nonlinear Stochastic Dynamics of Ships in Random Seas” and “Optimal Control of Flight Trajectories”, Universidade Federal do Rio Grande do Norte, Brazil
  • September 2012: “Sea state modeling and parameter identification from measured ship response”, Workshop on Dynamical Systems, University of Illinois at Urbana-Champaign, USA
  • April 2011: “Non-standard Stochastic Averaging”, Nonlinear Systems Group Seminar, University of Illinois at Urbana-Champaign, USA
  • June 2010: “Analysis of Nonlinear Stochastic Ship Dynamics using Stochastic Averaging”, Humboldt-Universität zu Berlin, Germany

Presentations
  • November 2020: XI International Conference on Structural Dynamics EURODYN 2020, "Solitary Waves for Seismic Site Response", Athens, Greece, remote
  • June 2020: SPRC meeting, "Analytical Formulas for First Passage Time and Stability Regions of Intact Ships in Random Seas", Tokyo, Japan, remote
  • June 2019: 17th European Control Conference (ECC19), "Towards Reinforcement Learning-based Control of an Energy Harvesting Pendulum", Naples, Italy
  • June 2019: BOSCH Workshop on Machine Learning enabled Reliability for Components and Materials, Renningen, Germany, "Reinforcement Learning Framework for Complex Nonlinear Systems on Computationally Constrained Hardware Setups", Renningen, Germany
  • Februar 2019: GAMM Annual Meeting 2019, "Nonlinear dynamical systems excited by large amplitude random loads", Vienna, Austria
  • Mai 2018: Symposium on Dynamical Systems and Related Fields, "Random dynamics of floating wave energy converters", University of Waterloo, Canada
  • September 2017: X International Conference on Structural Dynamics, EURODYN 2017 "Nonlinear model parameter identification for ice-induced vibrations", Rome, Italy
  • January 2017: 18th DNV GL Workshop "Analytical formulas for first passage time and stability regions of intact ships in random seas", Trondheim, Norway
  • January 2016: 17th DNV GL Workshop "Development of new probabilistic stability criteria for intact ships in random seas", Hamburg, Germany
  • July 2015: IUTAM Symposium Analytical Methods in Nonlinear Dynamics, Frankfurt, Germany, "Analytical and semi-analytical solutions of some fundamental nonlinear stochastic differential equations"
  • May 2015: SIAM Conference on Applications of Dynamical Systems, Snowbird, USA, "Error assessment of the local statistical linearization method"
  • July 2014: 8th European Nonlinear Dynamics Conference, Vienna, Austria, "Error estimation and error evolution of the local statistical linearization method"
  • June 2014: 33rd International Conference on Ocean, Offshore and Arctic Engineering (OMAE2014), San Francisco, USA, "Assessment of extreme rolling of ships in random seas"
  • October 2013: 5th GACM Colloquium on Computational Mechanics, Hamburg, Germany, "Roll dynamics of ships in random seas"
  • May 2013: 5th Int. Conf. on Computational Methods in Marine Engineering, Hamburg, Germany, "Non-stationary probability of parametric roll of ships in random seas"
  • March 2013: GAMM Annual Meeting 2012, Novi Sad, Serbia, "Surf-riding threshold of ships in random seas"
  • June 2012: IUTAM Symposium on Multiscale Problems in Stochastic Mechanics, Karlsruhe, Germany, "Stochastic averaging of roll-pitch and roll-heave motion in random seas"
  • March 2012: GAMM Annual Meeting 2012, Darmstadt, Germany, "Almost sure stability criterion for parametric roll in random seas based on top Lyapunov exponent"
  • July 2011: 7th European Nonlinear Dynamics Conference, Rome, Italy, "Ship capsizing analysis in random seas using non-standard stochastic averaging"
  • March 2010: GAMM Annual Meeting 2010, Karlsruhe, Germany, "Analysis of nonlinear stochastic ship dynamics under extended wave modeling"
  • March 2009: GAMM Annual Meeting 2009, Gdańsk, Poland, "Numerical computation of parametric induced roll motions in random seas"

Poster Presentations
  • June 2017: 9th European Nonlinear Dynamics Conference, Budapest, Hungary, "Power Generation of a Pendulum Energy Converter excited by Random Loads"

Supervised Student Theses
  • J. Gauerke : "Numerische Untersuchung von Schiffen mit unterschiedlichen Rumpfformen bezüglich parametrisch angeregtem Rollen im natürlichen Seegang", project work, Hamburg University of Technology, 2009
  • C. Radisch : "Theoretische und experimentelle Untersuchung zur stochastischen Resonanz an einem mechanischen Schwinger", project work, Hamburg University of Technology, 2010
  • C. Wieghard : "Numerische Untersuchung deterministisch und stochastisch angeregter nichtlinearer dynamischer Systeme mit der Zellabbildungsmethode", project work, Hamburg University of Technology, 2011
  • S. Garcia : "Simulation of ship dynamics in harmonic waves using finite volume solver for RANSE", project work, Hamburg University of Technology, 2011
  • P. Mishra : "Optimisation of case transportation process consisting of accelerating conveyors and lifter", Master-Thesis, Procter & Gamble Service GmbH and Hamburg University of Technology, 2011
  • M. Cretu : "Reduction and Analysis of a Softening Spring Type Duffing Oscillator using Stochastic Averaging", Master-Thesis, Hamburg University of Technology, 2012
  • J. Wehling : "Validation of a new probabilistic stability criterion for a ro-ro ship", project work, Hamburg University of Technology, 2017
  • L. Peters : "Comparison of nonlinear filtering methods for self localization on a field with the Humanoid Nao-robotics system", Bachelor-Thesis, Hamburg University of Technology, 2017
  • M. Hollm : "Study of weakly nonlinear water waves subjected to stochastic wind excitation", Master-Thesis, Hamburg University of Technology, 2018
  • A. Bespalko : "Systematic study on reinforcement-learning-based control of an Acrobot", Bachelor-Thesis, Hamburg University of Technology, 2019
  • N. Thomsen : "Computation and comparison of linear and nonlinear water waves", Bachelor-Thesis, Hamburg University of Technology, 2019
  • Kühne, C.: "Simulative und experimentelle Untersuchung der Dynamik eines Wellenenergiekonverters unter Vrewendung flexibler Mehrkörpersysteme", Bachelorarbeit, Institut für Mechanik und Meerestechnik, TU Hamburg, 2020
  • Heidler-Behne, N.: "Systematische Untersuchung eines Wellenenergiekonverters", Bachelorarbeit, Institut für Mechanik und Meerestechnik, TU Hamburg, 2020
  • Grube, M.:"Predictability of the vertical dynamics of vehicles using neural networks combined with transfer functions", project work, Hamburg University of Technology, 2020
  • Winter, E.N.:"Neural Network based Reinforcement Learning for the Control of an Acrobot", Master-Thesis, Hamburg University of Technology, 2021
  • Sprengell, A.: "Simulative Untersuchung eines Multi-Harvester-Systems zur Wandlung von Wellenenergie", Bachelorarbeit, Institut für Mechanik und Meerestechnik, TU Hamburg, 2021
  • Höhne, J.: "Simulative Untersuchung der Dynamik eines Multi-Komponenten-Wellenenergiekonverters im irregulären Seegang", Bachelorarbeit, Institut für Mechanik und Meerestechnik, TU Hamburg, 2021
  • Wei, J.:"Investigation and extension of a reinforcement learning based neural network for the control of an Acrobot", project work, Hamburg University of Technology, 2022
  • Woidelko, M.: "Vergrößerung der Leistung eines Wellenenergiekonverters durch Nutzung von Reinforcement Learning", Masterarbeit, Institut für Mechanik und Meerestechnik, TU Hamburg, 2022

Teaching
  • Vorlesung Mechanik I Repetitorium SS 2016
  • Vorlesung Mechanik I Repetitorium SS 2017
  • Vorlesung Mechanik I Repetitorium SS 2018
  • Vorlesung Optimierung dynamischer Systeme WS 2018/19
  • Vorlesung Mechanik I Repetitorium SS 2019
  • Vorlesung Mechanik III WS 2019/20
  • Vorlesung Mechanik I Repetitorium SS 2020
  • Vorlesung Mechanik I Repetitorium SS 2021

Research stays

  • April 2011: University of Illinois at Urbana-Champaign, Department of Aerospace Engineering, USA, visiting Prof. N. Sri Namachchivaya, 1 month, funded by National Science Foundation
  • September 2012: University of Illinois at Urbana-Champaign, Department of Aerospace Engineering, USA, visiting Prof. N.Sri Namachchivaya, 3 weeks
  • April 2014: Universidade Federal do Rio Grande do Norte, Departamento de Engenharia Mecânica, Brazil, visiting Prof. M. Bessa, 3 weeks, funded by Deutscher Akademischer Austauschdienst 
  • September 2018:  Delft University of Technology, Netherlands, funded by Delft University of Technology 
 
TU Hamburg
Institut für Mechanik und Meerestechnik
Eißendorfer Straße 42
21073 Hamburg
E-Mail : pick@tuhh.de
Tel : +49 40 42878 3220
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