Term Paper/ Bachelor Thesis/ Master Thesis
At the university:
External:
Feel free to contact the staff if you are interested in writing a thesis in another topic at the Engineering Dynamics group!
- Finite difference methods for the calculation of quasi-periodic oscillations
- Classification of particles using machine learning methods
Stationary solutions and quasi-periodicity
- Implementation of Hill's method for stability calculation of periodic solutions
- Investigation of quasi-periodic oscillations due to simultaneous self- and external excitation by numerical calculation of invariant manifolds
- Investigation of local adaptive meshing procedures in the finite difference method applied to quasi-periodic oscillations
- Development and implementation of a shooting method based on the method of characteristics for the approximation of quasi-periodic oscillations
- Efficient path continutation algorithms for the fast calculation of stability maps
- Comparison of calculation methods for periodic limit cycles in non-linear oscillation systems with friction
Electrodynamics
- Derivation of an approximation approach for eccentrically running electrical machines based on complex space vectors
- Topological optimization of electrical machines with current point control
- An efficient method for calculating the inductance matrix of rotating electric machines with eccentrically running rotor
- Theoretical and experimental investigation of the vibration behaviour of systems with eddy current dampers
- Experimental validation of the inductive damping behaviour of an electromagnetic shaker
- Vibration investigation on a continuous stator model for three-phase asynchronous machines
- Modelling and simulation of an electrified drive train with focus on gear excitation by means of elastic multi-body simulation
- Rotordynamic phenomena in three-phase asynchronous machines
- Modelling and calculation of an eddy current damper
- State of the art of rotor dynamics of two-pole synchronous machines and coupled lateral and torsional vibrations
- Dynamic investigation of electromechanical energy dissipation during translational motion
- Modeling of bearing friction for increasing measurement accuracy using the example of an electric machine test bench
- Modeling and Analysis of a Minimal Model for Eddy Current Damping in Permanently Excited Systems
- Investigations on the reduction of structural vibrations by means of an electro-magnetically damped absorber
- Experimental investigations on a test rig to determine inductive damping parameters
Rotor dynamics and seals
- Non-linear dynamics of rotors under the influence of self-excitation and external excitation
- Brush seals and their influence on rotor dynamics
- Comparison of laminar and turbulent lubrication models for application in rotor dynamics
- Design of a test rig for the investigation of fluid-structure interaction in rotor systems
- Dynamics of rotors with journal bearings under the influence of fluidic seals
- Simulation of the Hirs equation for the simulation of turbulent gap flows in rotor dynamics
- Coupling between lubrication flows and rotordynamic systems using fluid-structure interaction
Tribology
- Conception of a test rig for the investigation of contact friction in technical systems using the example of the brake lining of a disc brake
- Introduction of non-linear contact friction forces into linear finite element models using the example of a 2D cuboid with friction contact
- Experimental investigation of friction coefficients for defined pad-disc pairings of automotive brakes
Artificial Intelligence and Data-Driven Methods
- Machine Learning in Dynamics: Automated Generation of Minimal Models with SINDy and Autoencoders
Further topics
- Influence of vibrations on the manufacturing process using the example of a grinding machine
- Vibrations of liquid-filled tanks: experimental investigation & validation of analytical and numerical calculations
- Dynamic behavior of high voltage cables
- Concept investigation on a Formula Student vehicle based on a quasi-static lap time simulation for different vehicle dynamics models
- Development of a steering knuckle concept to accommodate different wheel heads and brakes
- Characterisation of the static and dynamic properties of rubber seals for doors and flaps in commercial vehicles
- Experimental modal analysis and identification of non-linear system characteristics on a direct shift gearbox
- Analysis of radial steering systems in locomotive bogies
- Development of a functional test programme for the rotor blade bearing of the reference turbine IWT 7.5-164 and creation of an algorithm for generating an accelerated endurance test programme
- Fundamentals of orbital mechanics and their application to orbital transfers and rendezvous maneuvers in Low-Earth Orbtis (LEO)