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Presentations

2018

  • W. Kijanski, F.-J. Barthold:
    Sensitivity analysis as a tool for optimal material design.
    6th European Conference on Computational Mechanics (ECCM 6) and 7th European Conference on Computational Fluid Dynamics (ECFD 7),
    Glasgow, UK, June 11-15, 2018.
  • F. Wohlgemuth, F.-J. Barthold:
    Structural Optimisation Using Parametrised Level Set Methods and Extended Finite Element Method.
    Annual Meeting of GAMM,
    TU München, Germany, March 19-23, 2018.
  • F. Guhr, F.-J. Barthold:
    Sensitivity Analysis of a Non-Local, Gradient Enhanced Damage Model.
    Annual Meeting of GAMM,
    TU München, Germany, March 19-23, 2018.
  • S. Loske, F.-J. Barthold:
    Stacking Sequence Optimization of Multilayer Composite Materials.
    Annual Meeting of GAMM,
    TU München, Germany, March 19-23, 2018.
  • J. Liedmann, F.-J. Barthold:
    Sensitivity Analysis of Nonlinear Structural Response regarding Geometry and External Loads.
    Annual Meeting of GAMM,
    TU München, Germany, March 19-23, 2018.
  • W. Kijanski, F.-J. Barthold:
    Structural optimisation on multiple scales based on numerical homogenisation techniques.
    Annual Meeting of GAMM,
    TU München, Germany, March 19-23, 2018.

2017

  • W. Kijanski, F.-J. Barthold:
    Variational sensitivity analysis in the scope of multiscale problems
    7th GACM Colloquium on Computational Mechanics,
    Universität Stuttgart, Germany, October 11-13, 2017.
  • F.-J. Barthold, F. Wohlgemuth (Ermen):
    A modified extended finite element method applied to control interfaces and cracks
    12th World Congress of Structural and Multidisciplinary Optimisation (WCSMO12),
    TU Braunschweig, Germany, June 5-9, 2017.
  • W. Kijanski, F.-J. Barthold:
    Design of micro-structures using methods from shape optimisation
    12th World Congress of Structural and Multidisciplinary Optimisation (WCSMO12),
    TU Braunschweig, Germany, June 5-9, 2017.
  • J. Liedmann, F.-J. Barthold:
    Design Exploration based upon Internal Structure of Materially Nonlinear Response Sensitivities
    12th World Congress of Structural and Multidisciplinary Optimisation (WCSMO12),
    TU Braunschweig, Germany, June 5-9, 2017.
  • F.-J. Barthold, J. Liedmann:
    Remarks on Variational Sensitivity Analysis of Elastoplastic Deformations
    20th International ESAFORM Conference on Material Forming,
    Dublin City University, Ireland, April 26-28, 2017.
  • W. Kijanski, F.-J. Barthold:
    Variational sensitivity analysis of physical reaction forces and application to multiscale problems.
    Annual Meeting of GAMM,
    Ilmenau@Weimar, Germany, March 6-10, 2017.
  • J. Liedmann, F.-J. Barthold:
    Exploration of internal response sensitivities of materially nonlinear structures.
    Annual Meeting of GAMM,
    Ilmenau@Weimar, Germany, March 6-10, 2017.

2016

  • W. Kijanski, F.-J. Barthold:
    Efficient variational sensitivity analysis for structural optimisation of multiscale problems.
    ECCOMAS Congress,
    Crete Island, Greece, June 5-10, 2016.
  • J. Liedmann, F.-J. Barthold:
    Optimisation of structures with inelastic deformations.
    ECCOMAS Congress,
    Crete Island, Greece, June 5-10, 2016.
  • F.-J. Barthold, W. Kijanski:
    Structural optimisation of multiscale problems.
    The Materials Chain: From discovery to production,
    RUB Bochum, Germany, Mai 30 - June 1, 2016.
  • N. Gerzen, F.-J. Barthold:
    Sensitivity of structural response with respect to uncertain loading, geometrical imperfections and deviations of material properties.
    Annual Meeting of DMV and GAMM,
    TU Braunschweig, Germany, March 7-11, 2016.
  • W. Kijanski, F.-J. Barthold:
    Structural optimisation of multiscale problems based on variational sensitivity analysis.
    Annual Meeting of DMV and GAMM,
    TU Braunschweig, Germany, March 7-11, 2016.
  • J. Liedmann, F.-J. Barthold:
    Optimisation of structures with inelastic deformations.
    Annual Meeting of DMV and GAMM,
    TU Braunschweig, Germany, March 7-11, 2016.
  • L. Radau, N. Gerzen, F.-J. Barthold:
    Structural design sensitivity analysis in context of non-linear buckling.
    Annual Meeting of DMV and GAMM,
    TU Braunschweig, Germany, March 7-11, 2016.

2015

  • W. Kijanski, F.-J. Barthold:
    Optimisation of multiscale problems using numerical homogenisation techniques.
    Summer School Evolutionary Solid Bodies 2015: Micro-structural rearrangements and design modifications in heterogeneous materials,
    Bollendorf, Germany, October 4-10, 2015.
  • W. Kijanski, F.-J. Barthold:
    Design of microstructures based on structural optimisation.
    25th International Workshop on Computational Mechanics of Materials,
    Ruhr-Universität Bochum, Germany, October 1-2, 2015.
  • W. Kijanski, F.-J. Barthold:
    Structural optimisation based on numerical homogenisation techniques.
    3rd ECCOMAS Young Investigators Conference (YIC) & 6th GACM Colloquium on Computational Mechanics (GACM),
    RWTH Aachen, Germany, July 20-23, 2015.

2014

  • N. Gerzen, F.-J. Barthold:
    Sensitivity driven exploration of design space.
    International Conference on Engineering and Applied Sciences Optimization (OPT-i 2014),
    Kos Island, Greece, June 4-6, 2014.
  • N. Gerzen, F.-J. Barthold:
    Design space exploration based on variational sensitivity analysis.
    85th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM2014),
    Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany, March 10-14, 2014.
  • W. Kijanski, F.-J. Barthold:
    Remarks on different strategies for sensitivity analysis of multiscale problems in structural optimisation.
    85th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM2014),
    Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany, March 10-14, 2014.
  • F.-J. Barthold, N. Gerzen:
    Remarks on the internal structure of sensitivities in shape optimisation.
    Mathematical Modeling and Optimization in Mechanics (MMOM2014),
    University of Jyväskylä, Finland, March, 6th - 7th, 2014.

2013

  • N. Gerzen, F.-J. Barthold:
    Design sensitivity based imperfections for non-linear buckling analysis.
    5th GACM Colloquium on Computational Mechanics (GACM2013),
    Hamburg-Harburg, Germany, Sept. 30th - Oct. 2nd, 2013.
  • W. Kijanski, F.-J. Barthold:
    Non-linear continuum mechanics and finite element formulation in the local convective space.
    5th GACM Colloquium on Computational Mechanics (GACM2013),
    Hamburg-Harburg, Germany, Sept. 30th - Oct. 2nd, 2013.
  • N. Gerzen, F.-J. Barthold:
    Variational design sensitivity analysis of a non-linear solid shell with applications to buckling analysis.
    10th World Congress on Structural and Multidisciplinary Optimization (WCSMO10),
    Orlando (Florida), USA, May 19-24, 2013.
  • F.-J. Barthold, N. Gerzen:
    Imperfection modes for non-linear buckling analysis based on variational design sensitivities.
    84th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM2013),
    Novi Sad, Serbia, March 18-22, 2013.

2012

  • N. Gerzen, F.-J. Barthold:
    Advanced analysis of sensitivities in parameter-free shape optimisation.
    83rd Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM2012),
    Darmstadt, Germany, March 26-30, 2012.
  • D. Materna, F.-J. Barthold:
    Improvement of classical first-order adjoint sensitivity relations.
    GAMM (Gesellschaft für Angewandte Mathematik und Mechanik) Annual Scientific Conference,
    Darmstadt, Germany, March 26-30, 2012.

2011

  • D. Materna, F.-J. Barthold:
    Sensitivity analysis of dual problems in nonlinear elasticity with applications to error analysis.
    EUROMECH 522 - Recent Trends in Optimisation for Computational Solid Mechanics,
    Erlangen, Germany, October 10-12, 2011.
  • N. Gerzen, F.-J. Barthold:
    Enhanced interpretation of shape design sensitivities.
    EUROMECH 522 - Recent Trends in Optimisation for Computational Solid Mechanics,
    Erlangen, Germany, October 10-12, 2011.
  • N. Gerzen, F.-J. Barthold:
    Advanced analysis of sensitivities in shape optimisation.
    4th GACM Colloquium on Computational Mechanics,
    Dresden, Germany, August 31 - September 2, 2011.
  • D. Materna, F.-J. Barthold:
    Variational design sensitivity analysis of dual problems with applications to error analysis.
    GAMM (Gesellschaft für Angewandte Mathematik und Mechanik) Annual Scientific Conference,
    Graz, Austria, April 18-21, 2011.
  • N. Gerzen, F.-J. Barthold:
    Shape optimisation analysing the inner structure of sensitivity matrices.
    82nd Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM2011),
    Graz, Austria, April 18-21, 2011.

2010

  • D. Materna, F.-J. Barthold:
    An exact representation of variational design sensitivity relations and improvement of classical frst-order formulations.
    2nd International Conference on Engineering Optimization (EngOpt2010),
    Lisbon, Portugal, September 6-9, 2010.
  • F.-J. Barthold, N. Gerzen:
    Advanced analysis of sensitivities in structural optimization.
    'Advances in topology and composite optimization' Workshop in honour of M.P. Bendsøe Honorary doctorate of University of Liege,
    Belgium, October 15, 2010.
  • D. Materna, F.-J. Barthold:
    Improvement of first-order sensitivity relations based on an exact formulation for the change in the state due to design perturbations.
    IV European Conference on Computational Mechanics (ECCM2010),
    Paris, France, May 16-21, 2010.
  • N. Gerzen, F.-J. Barthold:
    Model reduction in topology optimisation analysing the inner structure of sensitivity matrices.
    IV European Conference on Computational Mechanics (ECCM2010),
    Paris, France, May 16-21, 2010.
  • D. Materna, F.-J. Barthold:
    Error analysis and improvement of first-order design sensitivity relations.
    GAMM (Gesellschaft für Angewandte Mathematik und Mechanik) Annual Scientific Conference,,
    Karlsruhe, March 22-26, 2010.
  • N. Gerzen, F.-J. Barthold:
    Model reduction in topology optimisation analysing the inner structure of sensitivity matrices.
    81th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM2010),
    Karlsruhe, Germany, March 22-26, 2010.

2009

  • Materna, D.
    Struktur- und Sensitivitätsanalyse für das primale und duale Problem im physikalischen und materiellen Raum
    Vortrag im Rahmen des Promotionsverfahrens
    Dortmund, Germany, 6. November, 2009
  • Barthold, F.-J.
    Introduction to structural optimization of architectured materials
    Seminar on Architectured Materials (Prof. Samuel Forest)
    Ecole des Mines, Paris, France, 1 October, 2009
  • Barthold, F.-J. & Gerzen, N.
    Applications of singular value decomposition (SVD)
    Advances in Topology and Material Optimization -- Methods and Industrial Applications
    Copenhagen, Denmark, 23-25 September, 2009
  • Materna, D. & Barthold, F.-J.
    Error analysis and improvement of design sensitivity relations
    GACM Colloquium for Young Scientists on Computational Mechanics
    Hannover, Germany, September, 2009
  • Gerzen, N. & Barthold, F.-J.
    Applications of singular value decomposition (SVD) in structural optimisation
    GACM Colloquium for Young Scientists on Computational Mechanics
    Hannover, Germany, 21-23 September, 2009
  • Materna, D. & Barthold, F.-J.
    Configurational variations for the primal and dual problems in elasticity with applications to goal-oriented r-adaptive mesh optimization
    7th EUROMECH Solid Mechanics Conference
    Lisbon, Portugal, 2009
  • Barthold, F.-J. & Gerzen, N.
    Improved search directions in structural optimization based on singular value decomposition of sensitivities
    8th World Congress on Structural and Multidisciplinary Optimization
    Lisbon, Portugal, 1-5 June, 2009
  • Barthold, F.-J.
    Design Sensitivity Analysis and Evolutionary Solid Bodies
    Colloquium on Evolutionary Solid Bodies
    Dortmund, Germany, 18 March, 2009
  • Barthold, F.-J.
    Recent Advances on Variational Design Sensitivity Analysis
    Colloquium on Multiscale Methods in Computational Mechanics
    Rolduc, The Netherlands, March, 2009
  • Gerzen, N. & Barthold, F.-J.
    Applications of singular value decomposition (SVD) in structural optimisation
    GAMM Annual Meeting 2009
    Gdansk, Poland, 9-13 February, 2009

2008

  • Rotthaus, M. & Barthold, F.-J.
    Structural optimization of multi-material structures
    Proc. 7th ASMO-UK/ISSMO Conf. on Engineering Design Optimization
    The Mercure Francis Hotel, Bath, UK, 2008
  • Barthold, F.-J. & Rotthaus, M.
    Sensitivity analysis of interfaces using XFEM
    8th World Congress on Computational Mechanics (WCCM8)
    Venice, Italy, 30 June - 4 July, 2008
  • Materna, D. & Barthold, F.-J.
    On r-adaptive mesh optimization for local quantities of interest based on the material residual
    8th World Congress on Computational Mechanics (WCCM8)
    Venice, Italy, 30 June - 4 July, 2008
  • Barthold, F.-J. & Rotthaus, M.
    Analysis and optimisation of interfaces for multi-material structures
    11th EUROMECH-MECAMAT Colloquium on Mechanics of microstructured solids
    Turino, Italy, 10-14 March, 2008
  • Materna, D. & Barthold, F.-J.
    A variational framework for dual solutions in the physical and material space
    IUTAM Symposium on Progress in the Theory ansd Numerics of Configurational Mechanics
    Erlangen, Germany, 2008
  • Rotthaus, M. & Barthold, F.-J.
    Stress controlled shape optimization for interfaces using X-FEM
    GAMM Annual Meeting 2008
    Bremen, Germany, 31 March - 4 April, 2008
  • Materna, D. & Barthold, F.-J.
    Goal-oriented r-adaptivity based on the evolution of the physical, and material residual
    GAMM Annual Meeting 2008
    Bremen, Germany, 31 March - 4 April, 2008

2007

  • Barthold, F.-J. & Materna, D.
    On variational settings in the physical and material space
    Seminar (Prof. M. Kaliske), TU Dresden
    Dresden, Germany, 23 November, 2007
  • Barthold, F.-J. & Rotthaus, M.
    Aspects of sensitivity analysis and shape optimization for interfaces
    Seminar (Prof. J. Haslinger), Charles University Prague
    Prague, Czech Republic, 22 November, 2007
  • Barthold, F.-J.
    Challenges of variational design sensitivity analysis
    GACM Colloquium for Young Scientists on Computational Mechanics
    Munich, Germany, October, 2007
  • Rotthaus, M. & Barthold, F.-J.
    Aspects of sensitivity analysis and shape optimization for interfaces
    GACM Colloquium for Young Scientists on Computational Mechanics
    Munich, Germany, October, 2007
  • Materna, D. & Barthold, F.-J.
    Aspects of variational settings in the material space
    GACM Colloquium for Young Scientists on Computational Mechanics
    Munich, Germany, October, 2007
  • Materna, D. & Barthold, F.-J.
    Mesh optimization techniques based on variational design sensitivity analysis
    9th US National Congress on Computational Mechanics (USNCCM9)
    San Francisco, USA, July, 2007
  • Rotthaus, M. & Barthold, F.-J.
    Aspects of sensitivity analysis using the level set method in structural optimization
    GAMM Annual Meeting 2007
    Zurich, Switzerland, July, 2007
  • Materna, D. & Barthold, F.-J.
    On variational sensitivity analysis and changes in the material configuration
    International Council for Industrial and Applied Mathematics (ICIAM)
    Zurich, Switzerland, July, 2007
  • Barthold, F.-J. & Stieghan, J.
    Aspects of shape and parameter sensitivity analysis in the theory of porous media
    GAMM Annual Meeting 2007
    Zurich, Switzerland, July, 2007
  • Barthold, F.-J.
    Challenges of variational design sensitivity analysis - Theory and computation
    Joined Workshop of University of Liège (Prof. P. Duysinz, Prof. C. Fleury) and University of Dortmund (Prof. W. Achtziger, Prof F.-J. Barthold)
    Liège, Belgium, 3-5 July, 2007
  • Barthold, F.-J. & Stieghan, J.
    Anmerkungen zur Sensitivitätstheorie für die Theorie poröser Medien
    Seminar (Prof. A. Lion) an der UniBw München
    München, Germany, April, 2007
  • Barthold, F.-J., Rotthaus, M. & Materna, D.
    Anmerkungen zur variationellen Sensitivitätsanalyse in der Strukturoptimierung und der Konfigurationsmechanik
    Seminar (J. Schröder) an der U Duisburg-Essen
    Essen, 30 May, 2007
  • Barthold, F.-J. & Materna, D.
    Remarks on different strategies for variational design sensitivity analysis
    7th World Congress of Structural and Multidisciplinary Optimization
    Seoul, Korea, 21-25 May, 2007
  • Barthold, F.-J. & Stieghan, J.
    On sensitivity analysis in the theory of porous media
    7th World Congress of Structural and Multidisciplinary Optimization
    Seoul, Korea, 21-25 May, 2007
  • Barthold, F.-J. & Rotthaus, M.
    Remarks on interface models in structural analysis and sensitivity analysis
    7th World Congress of Structural and Multidisciplinary Optimization
    Seoul, Korea, 21-25 May, 2007(Paper A0464)
  • Barthold, F., Rotthaus, M. & Materna, D.
    Anmerkungen zur variationellen Sensitivitätsanalyse in der Strukturoptimierung und der Konfigurationsmechanik
    Seminarvortrag am Lehrstuhl für Mechanik (Prof. B. Svendsen) der Universität Dortmund
    Dortmund, 26 April, 2007
  • Materna, D. & Barthold, F.-J.
    Variational design sensitivity analysis in the context of structural optimization and configurational mechanics
    ISDMM Conference 2007
    Assois, France, March, 2007

2006

  • Rotthaus, M. & Barthold, F.-J.
    Anmerkungen zur Sensitivitätsanalyse im Rahmen der Extended Finite Element Methode
    Workshop junger Nachwuchswissenschaftler in der Mechanik
    Essen, Germany, 7-9 December, 2006
  • Materna, D. & Barthold, F.-J.
    Anwendung der variationellen Sensitivitätsanalyse auf Netzoptimierungsprobleme
    Workshop junger Nachwuchswissenschaftler in der Mechanik
    Essen, Germany, December, 2006
  • Barthold, F.-J.
    A structural optimisation viewpoint on configurational mechanics
    Seminar at ENSEM - LEMTA (Prof. J.-F. Ganghoffer)
    Nancy, France, 21 September, 2006
  • Barthold, F.-J.
    Inverse Geometrieprobleme in der Mechanik -- Kontinuumsmechanische Grundlagen und numerische Methoden
    Seminar at Chair of Mechanics (Prof. W. Ehlers)
    Stuttgart, Germany, 11 July, 2006
  • Barthold, F.-J. & Wiechmann, K.
    A comparison of displacement and mixed finite element formulations for variational design sensitivity analysis
    III European Conference on Computational Mechanics
    Lisbon, Portugal, 5-9 June, 2006
  • Materna, D. & Barthold, F.-J.
    Relations between Structural Optimization and Configurational Mechanics with Applications to Mesh Optimization
    6th ASMO UK/ISSMO Conference on Engineering Design Optimization
    Oxford, England, 3-4 July, 2006
  • Materna, D. & Barthold, F.-J.
    Coherence of Structural Optimization and Configurational Mechanics
    GAMM Annual Meeting 2006
    Berlin, Germany, March, 2006

2005

  • Barthold, F.-J.
    Anmerkungen zur Strukturoptimierung -- von der Kontinuumsmechanik zum Algorithmus
    Vortrag im Seminar des Dortmunder Forschungsbandes Modellbildung und Simulation (DoMuS)
    Dortmund, Germany, 12 December, 2005
  • Rotthaus, M. & Barthold, F.-J.
    Numerical Modeling and Optimization in Computational Mechanics
    GACM Colloquium for Young Scientists on Computational Mechanics
    Bochum, Germany, October, 2005
  • Materna, D. & Barthold, F.-J.
    Interaction of Structural Optimization and Configurational Mechanics
    GACM Colloquium for Young Scientists on Computational Mechanics
    Bochum, Germany, October, 2005
  • Barthold, F.-J.
    Inverse Geometrieprobleme in der Mechanik
    Seminar at Chair of Applied Mechanics (Prof. S. Diebels), Saarland University
    Saarbrücken, June, 2005
  • Barthold, F.-J.
    A short guide to variational design sensitivity analysis
    6th World Congress on Structural and Multidisciplinary Optimization
    Rio de Janeiro, Brazil, 30 May -- 3 June, 2005
  • Barthold, F.-J.
    Remarks on the application of design sensitivity analysis in fracture mechanics
    11th International Conference on Fracture
    Turin, Italy, 20-25 March, 2005

2004

  • Barthold, F.-J.
    Optimierung im Ingenieurwesen -- Algorithmen und Anwendungen
    Seminar an der Professur Bodenmechanik (Prof. T. Schanz), Bauhaus-Universität Weimar
    Weimar, Germany, July, 2004
  • Barthold, F.-J.
    Continuum mechanics and inverse problems
    5th ASMO UK/ISSMO Conference on Engineering Design Optimization
    Stratford upon Avon, England, 12-13 July, 2004

2003

  • Barthold, F.-J.
    Some remarks on common ideas in structural optimization and configurational mechanics
    Euromech 445 Mechanics of Material Forces
    Kaiserslautern, Germany, May, 2003
  • Barthold, F.-J.
    A structural optimisation viewpoint on configurational mechanics
    GAMM Annual Meeting 2003
    Abano Terme, Padua, Italy, March, 2003
  • Barthold, F.-J.
    Remarks on strong and weak sensitivity expressions of the equilibrium condition
    Euromech 442 Computer-Aided Optimization of Mechanical Systems
    Erlangen, Germany, February, 2003