Development of new computational methods and software solutions


  • Finite element methods for nonlinear and complex problems
  • Explicit and implicit transient computations
  • Finite element methods with high-order shape functions (p-FEM, SEM, IGA)
  • Fictitious area methods (FCM, SCM)


  • Semi analytical methods (SAFE, SBFEM)
  • Multi-field problems (Thermo-Piezoelektrizität, Fluid-Struktur-Interaktionen)
  • Structural computations/-optimization (strength, crash, stability, acousitcs, heat conduction, electromechanics)
  • Medical engineering and biomechanics


Mechanical characterization of materials


  • Phase field methods
  • Computation and design of fiber composite structures (CFK, GFK) and sandwich sttructures
  • Micro-macro models
  • Numerical homogenization methods

              VisMesh             Von_Mises

  • Fiber and particle reinforced materials, foams, porous media
  • Continuum mechanics
  • Extended material modeling
  • Elastomers


Modeling of mixing and demixing processes


  • Phase field simulations
  • Diffusion models including the interface energy
  • Mixing behavior of polymers
  • Mixing behavior in the presence of mechanical loads

 new37    new     new63

  • Investigation of the influence of the kinematics at large strains
  • IGA for sufficient inter-element continuity when dealing with higher order differential equations


Modeling of oxidation processes including mechanical couplings


  • Phase field method for modeling oxidation processes
  • Diffusion laws for simulating the oxygen supply to trigger oxidation processes locally
  • Considering reaction kinetics




  • Shrinkage caused by oxidation (cf. figure)
  • Varying material properties dependent on the oxidation state
  • Calculation of stress distributions due to local oxidation and shrinkage


Modeling of fracture mechanics


  • Phase field methods
  • Brittle fracture
  • Ductile fracture
  • Crack propagation in polycrystalline materials


  • Crack propagation in rubber-like materials, large deformations
  • Crack propagation with the help of adaptive Finite-Element-Methods



Modeling of solidification processes




Analysis of electrical drives and machines


  • Computation of electromagnetic stimulation and performance
  • Usage of this performance studies for numerical vibration analysis


  • Calculation of acoustic behaviour of the electrical machines
  • Comparison of different configurations to identify the optimal design


Holistic simulation approaches for acoustic evaluation of components and machines


  • Detailed analysis of the crank mechanism with the help of a elastic multi-body simulation
  • Consideration of elasto-hydrodynamic interactions in the context of multi-body analysis
  • Cooperation with Chair of Technical Dynamics




  • Making the simulation results audible
  • Evaluation considering the auditory perception of the human being


Active and passive vibration and noise reduction on machines and structures


  • Design, simulation and testing of active controlled systems
  • Design optimization using passive measures





Evaluation of pores in castings


  • Distribution of the pores are detected by CT scans and transferred to an STL dataset
  • Pores are taken into account in load-relevant areas of the component in order to investigate their effect


  • Cost-effective and reliable predictions regarding to material utilization and loading
  • Inclusion of the microstructure of heterogeneous and cellular material systems in numerical analysis


Structural Health Monitoring (SHM), Ultrasnic waves/Lamb waves


  • Use of high frequency guide waves for structure monitoring
  • Particularly for fiber composite materials, damage monitoring is of great importance
  • The methods can also be used for all other material classes



  • Numerical and experimental analysis of wave propagation and damage mechanisms
  • Simulation and design of piezoelectric sensor and actuator networks


Experimental Analysis


  • Stress-strain measurements, strain gauges, hydro-pulse system, tensile tests
  • Vibration and acoustic measurements (3D-Laservibrometer, Derotator, In-plane Vibrometer)


  • Directional characteristic measurements in the far field
  • Free field space, microphone arrays


  • Measurement of frequency-dependent material parameters
  • Impact hammer, accelerometer


Research projects of the chair





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