Contact

• Mail:
  
  Computersimulation und Design Optimization
  IMH - Institut für Modellbildung und Hochleistungsrechnen
  Fachbereich Maschinenbau und Verfahrenstechnik Hochschule Niederrhein
  Reinarzstraße 49
  47805 Krefeld
  Germany

• Phone: ++49 (0)21 51-822-4278

• FAX: ++49 (0)21 51-822-5013

• E-mail: dirk dot roos at hsnr dot de

Research Topics

• Probabilistical numerical analysis based on a component architecture model

• Response surface methods in structural reliability and stochastic optimization

• Physically and geometrically nonlinear computer analysis of general shells

• Topology and shape optimization

• Multidisciplinary nonlinear optimization, robustness analysis and reliability analysis

• MKS/FE hybrid solver for nonlinear structural dynamics

• Robust design optimization

Teaching

• Design Optimization, Master course

• Design Safety and Reliability, Master course

Publications

1. Köppler, H., Roos, D., Burkhardt, G.: Zur Berechnung vielschichtiger Schalen mit orthotropen Schichten. Proc. International Conference IKM'97, Weimar, February 26 - March 1, 1997.

2. Roos, D.: Transformation lokaler Rotations-Freiheitsgrade eines gekrümmten isoparametrischen Schalenelementes. Mitteilungen des Institutes für Strukturmechanik, Nr. 97-1, Bauhaus-Universität Weimar, 1997.

3. Roos, D.: Lineare Stabilitätsanalyse der Kreiszylinderschale unter Axialdruck. Mitteilungen des Institutes für Strukturmechanik, Nr. 98-2, Bauhaus-Universität Weimar, 1998.

4. Roos, D., Bucher, C., Grosche A. & Beucke, K.: Probabilistic Numerical Analysis based on a Component Software Models. In W. Wunderlich (ed.); Proc. European Conference on Computational Mechanics (ECCM '99), München, Germany, August 31 - September 3, 1999, on CD.

5. Bucher, C. Dagmar Hintze, Roos, D.: Stochastics and Finite Elements - Challenges and Chances. 17. CAD-FEM USERS'S Meeting, Sonthofen (Allgäu), Germany, October 6 - 8, 1999.

6. Roos, D., Bucher, C. & Bayer, V.: Polyhedral response surfaces for structural reliability assessment. In R.E. Melchers and M.G. Stewart (eds.); Proc. International Conference on Applications of Statistics and Probability (ICASP8), 12-15 December 1999. Sydney, Australia: Balkema/Rotterdam/Brookfield, 1999, S. 109 - 115.

7. Roos, D.: Adaptive Approximation von Grenzzustandsflächen zur Sicherheitsbewertung nichtlinearer Strukturen. Mitteilungen des Institutes für Strukturmechanik, Nr. 00-1, Bauhaus-Universität Weimar, 2000.

8. Macke,M., Roos, D., Riedel, J.: An Adaptive Response Surface Method Utilizing Error Estimates. In A. Kareem, A. Haldar, B.F. Spencer, Jr., E.A. Johnson (eds.); 8th Proc. 8th ASCE Specialty Conference on Probabilistic Mechanics and Structural Reliability, Notre Dame, Indiana, USA, July 24-26, 2000, on CD.

9. Bucher, C., Hintze, D., Roos, D.: Advanced Analysis of Structural Reliability using Commercial FE-Codes. European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS 2000, Barcelona, 11-14 September 2000.

10. Roos, D. & Bucher, C.: An Adaptive Response Surface Method using Weighted Radii. 8th International Conference on Structural Safety and Reliability, Newport Beach, California, USA, June 17-21, 2001.

11. Roos, D., Will, J., Vogel, F.: Structural Optimization of Solid Components with Topology Optimizing Structural Language - TopoSLang. 19th CAD-FEM USERS' Meeting 2001, International Congress on FEM Technology, Postdam, Germany, October 17-19, 2001.

12. Roos, D.: Approximation und Interpolation von Grenzzustandsfunktionen zur Sicherheitsbewertung nichtlinearer Finite-Elemente-Strukturen. Dissertation, Bauhaus-Universität Weimar, 2002.

13. Roos, D., Will, J., Vogel, F.: TopoSLang 1.0 - A Software Package for Structural Optimization of Solid Components, Biological Growth Strategies and Mesh Smoothing. 20th CAD-FEM USERS' Meeting 2002, International Congress on FEM Technology, Friedrichshafen, Lake Constance, Germany, October 9-11, 2002.

14. Roos, D., Bucher, C.: Adaptive Response Surfaces for Structural Reliability of Nonlinear Finite Element Structures. NAFEMS Seminar: Use of Stochastics in FEM Analyses, May 7 - 8, 2003, Wiesbaden, Germany.

15. Will, J., Roos, D., Riedel, J., Bucher, C: Robustheitsbewertung in der stochastischen Strukturmechanik. NAFEMS Seminar: Use of Stochastics in FEM Analyses, May 7 - 8, 2003, Wiesbaden, Germany.

16. Roos, D., Nelz, J., Grosche, A., Stoll, P.: Workflow-Konzepte zum benutzerfreundlichen, robusten und sicheren Einsatz automatischer Optimierungsmethoden. 21th CAD-FEM USERS' Meeting 2003, International Congress on FEM Technology, Berlin, Potsdam, Germany, November 12-14, 2003.

17. Roos, D., Groth, C., Junk, A., Brinkmann, D.: Optimierung und Sensitivitätsanalyse zur Parameteridentifikation in der numerischen Simulation der Gefügekinetik im Schweißprozess. 22th CAD-FEM USERS' Meeting 2004, International Congress on FEM Technology with ANSYS CFX & ICEM CFD Conference, Dresden, International Congress Center Dresden, Germany, November 12-14, 2004.

18. Unger, J., Roos, D.: Investigation and benchmark of algorithms for reliability analysis. Weimarer Optimierungs- und Stochastiktage 1.0, Weimar, Germany, December 2-3, 2004.

19. Roos, D., Bucher, C.: Methoden der stochastischen Optimierung. Weimarer Optimierungs- und Stochastiktage 1.0, Weimar, Germany, December 2-3, 2004.

20. Roos, D., Bucher, C.: Robust Design and Reliability-based Design Optimization. NAFEMS Seminar: Optimization in Structural Mechanics, April 27 - 28, 2005, Wiesbaden, Germany.

21. Roos, D., Adam, U., Bucher, C.: Robust Design Optimization. 24th CAD-FEM USERS' Meeting 2006, International Congress on FEM Technology with 2006 German ANSYS Conference, Stuttgart, Schwabenlandhalle, Germany, October 26-27, 2006.

22. Roos, D., Adam, U., Bayer, V.: Design Reliability Analysis. 24th CAD-FEM USERS' Meeting 2006, International Congress on FEM Technology with 2006 German ANSYS Conference, Stuttgart, Schwabenlandhalle, Germany, October 26-27, 2006.

23. Roos, D., Bucher, C., Will, J.: Speedyne -- Fast Approximation Solution for FEM-based Drop Test Applications using hybrid MBS/FE Technology . 24th CAD-FEM USERS' Meeting 2006, International Congress on FEM Technology with 2006 German ANSYS Conference, Stuttgart, Schwabenlandhalle, Germany, October 26-27, 2006.

24. Bayer, V., Roos, D.: Non-parametric Structural Reliability Analysis using Random Fields and Robustness Evaluation. Weimarer Optimierungs- und Stochastiktage 3.0, Weimar, Germany, November 23-24, 2006.

25. Roos, D., Adam, U., Bucher, C.: Robust Design Optimization. Weimarer Optimierungs- und Stochastiktage 3.0, Weimar, Germany, November 23-24, 2006.

26. Roos, D., Adam, U.: Adaptive Moving Least Square Approximation for the Design Reliability Analysis. Weimarer Optimierungs- und Stochastiktage 3.0, Weimar, Germany, November 23-24, 2006.

27. Bayer, V., Roos, D., Adam, U.: Structural Reliability Analysis by Random Field Modeling with Robustness Methods and Adaptive Response Surfaces. CC2007: The Eleventh International Conference on Civil, Structural and Environmental Engineering Computing, St. Julians, Malta, 18-21 September 2007.

28. Roos, D.: Robust design and reliability-based design optimization. 2nd GACM Colloquium at Technical University of Munich , 10-12 October 2007, Munich, Germany.

29. Egerland, M., Roos, D., Will, J.: Optimization of a fan shroud by ANSYS/DesignModeler and optiSLang. ANSYS Conference & 25th CAD-FEM USERS' Meeting 2007, International Congress on FEM Technology, Dresden, International Conference Center, Germany, November 28-29, 2007.

30. Most, T., Roos, D., Unger, J., Will, J.: Advanced surrogate models within the robustness evaluation. Proceedings of the fourth Weimar Optimization and Stochastic Days, Weimar, Germany, November 28-29, 2007.

31. Roos, D.: Advanced methods of stochastic and optimization in industrial applications. Proceedings of the 7th international Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes, Interlaken, Switzerland, September 1-5, 2008.

32. Bayer, V., Roos, D.: Efficient Modelling and Simulation of Random Fields . Proceedings of the 6th Probabilistic Workshop , Darmstadt, Germany, November 26-27, 2008.

33. Roos, D., Hoffmann, R.: Successive robust design optimization of an electronic connector. Weimarer Optimierungs- und Stochastiktage 5.0, Weimar, Germany, November 20-21, 2008.

34. Roos, D., Einzinger, J., Bayer, V.: Robust Design Optimization applied to Structural, Thermal and Fluid Analysis including Manufacturing Tolerances. Weimarer Optimierungs- und Stochastiktage 6.0, Weimar, Germany, October 15-16, 2009.

35. Roos, D.: Optimierung und stochastische Analyse in der Fluid-Struktur-Simulation. DIGITAL Engineering, 6, 2011.

36. Roos, D.: Mult-domain Adaptive Surrogate Models for Reliability Analysis. Proceedings of the 9th International Probabilistic Workshop, Technical University Braunschweig, Germany, November 17-18, 2011.