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Completed theses

Completed theses

 

The following student theses have been completed:


 2018

  • Simulation of plasticity using stress mode decompositions (bachelor thesis)
    Completed: 11/2018
    Author: M. Böddecker
    Supervisor: Dr.-Ing. Richard Ostwald
  • Thermomechanische Ermüdung mit Modellvalidierung für die Lebensdauerberechnung eines Zylinderkopfes für einen Großdieselmotor (bachelor thesis)
    Completed: 10/2018 (Cooperation with MAN SE)
    Author: J. Gerlach
    Supervisor: Dr.-Ing. Richard Ostwald
  • Parameter identification for a visco-elastic polymer under large deformations (project thesis)
    Completed: 06/2018
    Author: M. Barghidarian
    Supervisor: Dr.-Ing. Richard Ostwald
  • Automatisierte Abaqus-Parameterstudien für eine regularisierte Schädigungsformulierung (project thesis)
    Completed: 06/2018
    Author: A. Borutta
    Supervisor: Dr.-Ing. Richard Ostwald
  • Finite-Elemente-Implementierung eines Kontaktmodells mit Dreieck-Segmenten (bachelor thesis)
    Completed: 04/2018
    Author: P. Linneweber
    Supervisors: Markus Schewe M.Sc., Dipl.-Ing. Rolf Berthelsen
  • Vergleich analytischer Methoden und der Finite-Elemente-Lösung eines Biegeschwingers (bachelor project thesis)
    Completed: 04/2018
    Author: F. Rörentrop
    Supervisors: Markus Schewe, M.Sc.
  • Lineare Stabilitätsanalyse mittels Abaqus und FEAP: Implementierung und Validierung (master project thesis)
    Completed: 04/2018
    Author: B. Tekkaya
    Supervisors: Dr.-Ing. Patrick Kurzeja, Tim Heitbreder, M. Sc.
  • Modelierungsansatz des Glasübergangs eines Formgedächtnispolymers auf Basis eines Materialmodells einer Austenit-Martensit-Transformation (bachelor project thesis)
    Completed: 04/2018
    Authors: M. Wolfstädter, L. Esken
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Auswirkungen auf die rotordynamische Modalanalyse bei Nutzung von Ersatzsteifigkeitsdurchmessern mittels numerischer Berechnungen mit finiten Elementen (bachelor thesis)
    Completed: 04/2018
    Author: C. Witt
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Simulation of shape memory alloys using stress mode dependent weighting functions (bachelor project thesis)
    Completed: 04/2018
    Author: M. Böddecker
    Supervisor: Dr.-Ing. Richard Ostwald
  •  A Finite-Element-Model for Large Strain Magneto-Viscoelasticity (master thesis)
    Completed: 01/2018
    Author: N. Trümper
    Supervisor: Dipl.-Ing. Karsten Buckmann

 2017

  • Efficient numerical integration on the surface of a sphere (master project thesis)
    Completed: 12/2017
    Author: H. Lammen
    Supervisor: Dr.-Ing. Richard Ostwald
  • Finite-Elemente-Analyse der Spannungsverteilung in der "Schürmann"-Stirnverzahnung (bachelor project thesis)
    Completed: 09/2017
    Author: P. Linneweber
    Supervisor: Dr.-Ing. Thorsten Bartel
  • A Thermomechanical Framework for The Modeling and Simulation of Selective Laser Melting (master thesis)
    Completed: 09/2017
    Author: I. Guschke
    Supervisor: Dr.-Ing. Thorsten Bartel
  • On the Modelling pf Phase Transitions in Solids Undergoing High thermal Impacts (master project thesis)
    Completed: 08/2017
    Author: I. Guschke
    Supervisor: Dr.-Ing. Thorsten Bartel
  • A Constitutive Driver for Large Strain Magneto-Viscoelasticity (master project thesis)
    Completed: 06/2017
    Author: N. Trümper
    Supervisor: Dipl.-Ing. Karsten Buckmann
  • Optimierung eines Teststandes zur thermographischen Erfassung von Oberflächentemperaturen (project thesis)
    Completed: 05/2017
    Author: E. Efendioglu
    Supervisor: Lars Rose, M. Sc.
  • FiniteOptimierungsbasierte Kalibrierung eines visko-elastischen Materialmodells und Anwendung in der nichtlinearen FEM (bachelor thesis)
    Completed: 04/2017
    Author: S. Kimpel
    Supervisor: Dr.-Ing. Richard Ostwald
  • Numerische Analyse verschiedener Probekörper-Geometrien zur Durchführung biaxialer Zugversuche (bachelor project thesis)
    Completed: 04/2017
    Author: J. Woesthoff
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Weiterentwicklung der mechanischen Struktursteifigkeit eines durchströmten Rohreinbauteils anhand einer numerischen Modalanalyse (bachelor thesis)
    Completed: 04/2017
    Author: J. Woesthoff
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Multiskalen-Finite-Elemente-basierte Analyse des Einflusses von Materialkenngrößen inhomogener Werkstoffe auf die Plastifizierung (bachelor project thesis)
    Completed: 04/2017
    Author: B. Tekkaya
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Implementation of the Particle Finite Element Method (master thesis)
    Completed: 03/2017
    Author: M.Schewe
    Supervisor: Dipl.-Ing. Rolf Berthelsen
  • Analysis of damage formulations for the finite element based simulation of forming processes (master thesis)
    Completed: 01/2017
    Author: A. Schowtjak
    Supervisor: Dr.-Ing. Richard Ostwald, Dr.-Ing. Till Clausmeyer (IUL)

 2016

  • Theory and finite element implementation of finite deformation thermoplasticity in principal stretches (project thesis)
    Completed: 10/2016
    Author: M. Schewe
    Supervisor: Dipl.-Ing. Rolf Berthelsen
  • Modellierung schwacher Diskontinuitäten zur Simulation propagierender Phasenfronten
    Completed: 10/2016
    Author: M. Sewerin
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Auswirklung der Gefügemikrohärte von Stahlblechwerkstoffen auf deren Kantenrissempfindlichkeit (bachelor thesis)
    Completed: 10/2016
    Author: B. Tekkaya
    Supervisor: Dr.-Ing. T. Bartel
  • Implementation of a coupled model for the three-dimensional finite strain simulation of phase transformation and plasticity (project thesis)
    Completed: 09/2016
    Author: T. Keute
    Supervisor: Dr.-Ing. R. Ostwald, Dipl.-Ing. R. Holtermann
  • Parameter identification framework for inhomogeneous states of deformation using Abaqus: Application to inelastic and gradient-enhanced material models (master thesis)
    Completed: 08/2016
    Author: R. Schulte
    Supervisor: Jun.-Prof. Björn Kiefer, Ph.D.
  • Implementation of hyperelastic finite strain micro-sphere models (bachelor thesis)
    Completed: 08/2016
    Author: H. Lammen
    Supervisor: Dr.-Ing. R. Ostwald
  • 2D-Finite-Elemente-Simulation einer geometrisch aufgelösten, propagierenden Festkörper-Phasenfront unter Verwendung schwacher Diskontiuitäten (bachelor thesis)
    Completed: 08/2016
    Author: F. Guhr
    Supervisor: Dr.-Ing. T. Bartel
  • Gradientenerweiterung eines Schädigungsmodells (bachelor thesis)
    Completed: 08/2016
    Author: T. Wiegold
    Supervisors: A. Bartels and Prof. Dr.-Ing. Jörn Mosler
  • Transient mixed finite element simulation of diffusion-driven swelling (master thesis)
    Completed: 05/2016
    Author: L. Sprave
    Supervisors: Jun.-Prof. Björn Kiefer, Ph.D. and Prof. Dr.-Ing. Andreas Menzel
  • An inelastic finite element framework for the simulation of wear (bachelor thesis)
    Completed: 05/2016
    Author: H. Wilbuer
    Supervisor: Dipl.-Ing. Rolf Berthelsen
  • Implementierung eines phänomenologischen Modells zur Simulation von "selective laser melting"-Prozessen (bachelor thesis)
    Completed: 05/2016
    Author: I. Guschke
    Supervisor: Dr.-Ing. T. Bartel
  • A contribution to the simulation of phase-transformations in grinding processes (project thesis)
    Completed: 05/2016
    Author: J. Grodotzki
    Supervisors: Dr.-Ing. Richard Ostwald, Dipl.-Ing. Raphael Holtermann
  • A Finite Deformation Thermo-Elastic Micro-Sphere Model for Rubber-Like Materials (master thesis)
    Completed: 04/2016
    Author: P. Oppermann
    Supervisors: Prof. Dr.-Ing. Andreas Menzel, Dr.-Ing. Richard Ostwald
  • Thermomechanically coupled gradient enhanced plasticity - Variational consistent updates based on hyperdual numbers (master thesis)
    Completed: 04/2016
    Author: V. Fohrmeister
    Supervisors: A. Bartels and Prof. Dr.-Ing. Jörn Mosler
  • Examination of numerical differentiation schemes using hyper-complex numbers (project thesis)
    Completed: 04/2016
    Author: V. Fohrmeister
    Supervisors: A. Bartels and Prof. Dr.-Ing. Jörn Mosler
  • Multiskalen-Finite-Elemente-basierte Analyse des Einflusses von Materialkenngrößen inhomogener Werkstoffe auf die Plastifizierung (bachelor project thesis)
    Completed: 03/2016
    Author: B. Tekkaya
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Cahn-Hilliard basierte Phasenfeldmodellierung (master thesis)
    Completed: 03/2016
    Author: F. Krajewski
    Supervisors: A. Bartels and Prof. Dr.-Ing. Jörn Mosler
  • Experiments and algorithmic treatment of material parameter identification utilizing optical displacement field measurements (master thesis)
    Completed: 02/2016
    Author: L. Rose
    Supervisors: Jun.-Prof. Björn Kiefer, Ph.D., Dr.-Ing. Richard Ostwald

 2015

  • Modeling, Simulation and Parameter Identification of Ferroric Cooling Effects in Shape Memory Alloys (project thesis)
    Completed: 12/2015
    Author: R. Schulte
    Supervisor: Jun.-Prof. Björn Kiefer, Ph.D.
  • Implementierung eines Finite-Elemente-Postprozessors zur Simulation von trockenem Gleitverschleiß (project thesis)
    Completed: 12/2015
    Author: H. Wilbuer
    Supervisor: Dipl.-Ing. Rolf Berthelsen
  • Zur Optimierung des Designs von Antriebstrommeln inklusive FKM-Dauerfestigkeitsnachweis (bachelor thesis)
    Completed: 11/2015
    Author: T. Keute
    Supervisors: Prof. Dr.-Ing. Andreas Menzel, Dr.-Ing. Richard Ostwald
  • Fibre-Reinforced Composites – Finite Deformation Higher-Gradient Theory and Mixed Finite Element Formulation (master thesis)
    Completed: 10/2015
    Author: T. Asmanoglo
    Supervisors: Prof. Dr.-Ing. Andreas Menzel, Dr.-Ing. Richard Ostwald
  • Finite element implementation of a non-local gradient-type anisotropic damage model (project thesis)
    Completed: 09/2015
    Author: L. Sprave
    Supervisors: Jun.-Prof. Björn Kiefer, Ph.D. and Prof. Dr.-Ing. Andreas Menzel
  • Optimization-based Parameter Identification for Inhomogeneous Problems (project thesis)
    Completed: 07/2015
    Author: L. Rose
    Supervisors: Jun.-Prof. Björn Kiefer, Ph.D.Dr.-Ing. Richard Ostwald
  • Analyse von Effizienz und Stabilität verschiedener Zeitintegrationsverfahren zur Lösung von Differentialgleichungssystemen eines Festkörper-Phasentransformationsmodells (project thesis)
    Completed: 04/2015
    Author: S. Dohm
    Supervisor: Dr.-Ing. Richard Ostwald
  • Entwicklung eines Materialmodells für Piezokeramiken unter Verwendung von Energiebarrieren (bachelor thesis)
    Completed: 03/2015
    Author: S. Aygün
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Berechnung von "Fließgrenzen" für Festkörper-Phasentransformationen (project thesis)
    Completed: 02/2015
    Authors: N. Trümper, S. Lappe
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Investigation of Design Optimization of Common Rail Pressure Accumulator using Adjoint Method (master thesis)
    Completed: 01/2015
    Author: A. Kumar
    Supervisor: Dr.-Ing. Thorsten Bartel

 2014

  • Modellierung und Simulation von funktionaler Ermüdung bei Formgedächtnis-Drähten mittels erweiterter Ritz-Ansätze (project thesis)
    Completed: 12/2014
    Author: S. Aygün
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Methode zur Entwicklung von Komponentenprüfständen durch statisch äquivalente Ersatzsysteme einzelner Prüfkomponenten (bachelor thesis)
    Completed: 11/2014
    Author: N. Trümper
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Theorie und Finite-Element-Implementierung thermomechanisch gekoppelter Interface-Elemente (bachelor thesis)
    Completed: 11/2014
    Author: M. Schewe
    Supervisor: Dipl.-Ing. Rolf Berthelsen
  • Constitutive Modeling of Evolving Anisotropies in Finite Plasticity (bachelor thesis)
    Completed: 11/2014
    Author: T. Asmanoglo
    Supervisors: Jun.-Prof. Björn Kiefer, Ph.D. and Prof. Panayiotis Papadopoulos, Ph.D. (UC Berkeley)
  • Entwicklung eines FE-basierten Simulationswerkzeugs zur Auslegung von Wälzkontakten in Großwälzlagern (master thesis, in coorperation with ThyssenKrupp Rothe Erde GmbH)
    Completed: 07/2014
    Author: J. Tenkamp
    Supervisors: Jun.-Prof. Björn Kiefer, Ph.D. and Prof. Dr.-Ing. Andreas Menzel
  • Weiterentwicklung eines Materialmodells zur mikromechanisch motivierten Beschreibung von Plastizität mit Versetzungsdichten-basierter Verfestigung (project thesis)
    Completed: 07/2014
    Author: V. Fohrmeister
    Supervisor: Dr.-Ing. Thorsten Bartel
  • A phase field approach to Eshelby's inclusion problem (bachelor thesis)
    Completed: 06/2014
    Author: T. Furlan
    Supervisors: Jun.-Prof. Björn Kiefer, Ph.D. and Prof. Dr.-Ing. Jörn Mosler
  • Analytische und numerische Untersuchungen zur Auslegung eines Magnetlagers (bachelor thesis)
    Completed: 06/2014
    Author: L. Rose
    Supervisors: Jun.-Prof. Björn Kiefer, Ph.D. and Prof. Dr.-Ing. Andreas Menzel
  • Modeling and Simulation of Fe-based Shape Memory Alloy Response (bachelor thesis)
    Completed: 05/2014
    Author: J. Grodotzki
    Supervisor: Jun.-Prof. Björn Kiefer, Ph.D.
  • Numerische Homogenisierungsstrategien für Grenzflächen (master thesis)
    Completed: 05/2014
    Author: C. Sievers
    Supervisors: Prof. Dr.-Ing. Jörn Mosler and Dipl.-Ing. Till Clausmeyer
  • FE-based Computational Homogenization (bachelor thesis)
    Completed: 04/2014
    Author: A. Schowtjak
    Supervisor: Jun.-Prof. Björn Kiefer, Ph.D.
  • Calibration of Anisotropic Yield Surfaces Based on Kelvin Mode Decomposition (project thesis)
    Completed: 04/2014
    Author: T. Asmanoglo
    Supervisors: Jun.-Prof. Björn Kiefer, Ph.D. and Dr.-Ing. Richard Ostwald
  • Einfluss der Achskinematik und Elastodynamik auf die Querdynamik eines PKWs: Erweiterung des Achsentwicklungskonzeptes in der frühen Konzeptphase (diploma thesis, in coorperation with Audi AG Ingolstadt)
    Completed: 03/2014
    Author: S. Blei
    Supervisor: Dr.-Ing. Tobias Waffenschmidt
  • Vergleich zwischen verschiedenen Lösungsstrategien bei der Modellierung ratenunabhängiger Kristallplastizität (bachelor thesis)
    Completed: 2014
    Author: F. Schmitz
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Theorie und Finite-Element-Implementierung gekoppelter nichtlinearer Thermoviskoplastizität (bachelor thesis)
    Completed: 2014
    Author: P. Oppermann
    Supervisor: Dr.-Ing. Ralf Denzer
  • A comparison between classical micromechanics and direct numerical homogenization techniques for the computation of effective properties in elastic solids (project thesis)
    Completed: 02/2014
    Author: L. Rose
    Supervisor: Jun.-Prof. Björn Kiefer, Ph.D.
  • A comparison of algorithmic approaches for the modeling of plasticity and phase transformation in Fe-based SMAs (project thesis)
    Completed: 02/2014
    Author: J. Grodotzki
    Supervisor: Jun.-Prof. Björn Kiefer, Ph.D.

 2013

  • Computationally-efficient simulation of single crystalline SMA response using optimized anisotropic transformation surfaces (bachelor thesis)
    Completed: 12/2013
    Author: R. Schulte
    Supervisors: Jun.-Prof. Björn Kiefer, Ph.D. and Prof. Darren J. Hartl, Ph.D. (Texas Institute for Intelligent Materials and Structures)
  • Kinematiksimulation einer Einzelradaufhängung in Doppelquerlenkerbauweise (Fachlabor)
    Completed: 09/2013
    Author: T. Schröder
    Supervisor: Dr.-Ing. Tobias Waffenschmidt
  • Algorithmic Concepts for Gradient-Enhanced Damage Coupled With Plasticity (bachelor thesis)
    Completed: 07/2013
    Author: L. Sprave
    Supervisor: Dr.-Ing. Tobias Waffenschmidt and Jun.-Prof. Björn Kiefer, Ph.D.
  • Untersuchung eines Fehlerschätzers für Berechnungen mit der Finite-Elemente Methode (project thesis)
    Completed: 2013
    Author: T. Furlan
    Supervisor: Dr.-Ing. Ralf Denzer
  • Entwicklung eines 3D-Finite-Elemente-Modells zur Simulation des Wärmeeintrags und Materialauftrags beim Flammbeschichten (project thesis)
    Completed: 2013
    Author: D. Tomath
    Supervisor: Dr.-Ing. Ralf Denzer
  • Finite-Elemente-Simulation einer geometrisch aufgelösten, propagierenden Festkörper-Phasenfront mittels diskontinuierlicher Ansatzfunktionen (project thesis)
    Completed: 2013
    Authors: M. Schewe, H. Pleskun
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Thermodynamisch konsistente Herleitung von zeitabhängigen Evolutionsgesetzen für bainitische Phasenumwandlungen (project thesis)
    Completed: 2013
    Author: A. Schowtjak
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Neuentwicklung, experimentelle Charakterisierung und Modellierung eines zweidimensionalen Schwingungstilgers (master thesis, in cooperation with KÖTTER Consulting Engineers GmbH & Co. KG)
    Completed: 06/2013
    Author: P. Tetenborg
    Supervisor: Jun.-Prof. Björn Kiefer, Ph.D.
  • Nichtlineare Dynamik mittels generalisierter Alpha-Methode und midpoint rule (project thesis)
    Completed: 03/2013
    Author: D. Tomath
    Supervisor: Dr.-Ing. Ralf Denzer
  • Implementierung eines mikromechanischen Plastizitätsmodells unter Berücksichtigung von Versetzungsdichten-basierter Verfestigung (project thesis)
    Completed: 2013
    Authors: J. Tenkamp, J. Sauer
    Supervisor: Dr.-Ing. Thorsten Bartel
  • Implementation of a FE-based Algorithm for the Computation of Energy Minimizing Microstructures in Magnetostrictive Materials (project thesis)
    Completed: 02/2013
    Authors: R. Schulte, L. Sprave
    Supervisor: Jun.-Prof. Björn Kiefer, Ph.D.
  • Implementierung eines gemischten Dreieckelementes mit kontinuierlichen Druckfreiheitsgraden und inkompatiblen Verschiebungen für quasi-inkompressibles linear-elastisches Materialverhalten (project thesis)
    Completed: 01/2013
    Author: P. Oppermann
    Supervisor: Dr.-Ing. Ralf Denzer

 2012

  • Determination of average dislocation density in metals by evaluation of digitally processed TEM images (Fachlabor)
    Completed: 2012
    Author: E. Husser
    Supervisor: Dipl.-Ing. Till Clausmeyer
  • FE-Analyse der Querverfestigung in der Blechumformung (project thesis)
    Completed: 2012
    Author: E. Husser
    Supervisor: Dipl.-Ing. Till Clausmeyer
  • Numerische Methoden der Maschinendynamik (project thesis)
    Completed: 10/2012
    Author: T. Schröder
    Supervisor: Jun.-Prof. Björn Kiefer, Ph.D.
  • Finite Elemente Implementation eines Kontinuumsphasenfeldmodells zur Beschreibung von Domänenentwicklung in ferroelektrischen Materialien (diploma thesis)
    Completed: 08/2012
    Author: K. Buckmann
    Supervisor: Jun.-Prof. Björn Kiefer, Ph.D.
  • Finite-Elemente-Simulation inelastischer Festkörpergrenzschichten mit Hilfe von Interface-Elementen (student thesis)
    Completed: 11/2012
    Author: F. Ossege
    Supervisor: Dr.-Ing. Tobias Waffenschmidt
  • Entwicklung einer Matlab-basierten Simulations- und Visualisierungs-Umgebung für diskrete dynamische Systeme (student thesis)
    Completed: 01/2012
    Author: A. Pecoraro
    Supervisor: Jun.-Prof. Björn Kiefer, Ph.D.
  • Linear and geometrically nonlinearthermoelasticity (project thesis)
    Completed: 2012
    Author: E. Husser
    Supervisor: Dr.-Ing. Ralf Denzer

 2011

  • Analyse des Einflusses von Werkstoffmodell und räumlicher Diskretisierung auf die Tiefziehsimulation mit Hilfe der FEM (project thesis)
    Completed: 2011
    Author: C. Löbbe
    Supervisor: Dipl.-Ing. Till Clausmeyer
  • Simulation of the Dynamic Response and Identification of the Aerodynamic Distribution for an Experimental Aircraft in the Context of Loads Diagnosis (master thesis, in cooperation with Airbus Operations GmbH and Institut für Flugzeug-Systemtechnik, TU Hamburg-Harburg)
    Completed: 11/2011
    Author: V. Vijayan
    Supervisor: Jun.-Prof. Björn Kiefer, Ph.D.

 2010

  • Numerische Methoden der Maschinendynamik – Simulation einer Laufkatze (project thesis)
    Completed: WS 2009/10
    Author: M. Nowak
    Supervisor: Dr.-Ing. Tobias Waffenschmidt