International Journal of Composite Materials

The International Journal of Composite Materials is a bimonthly peer-reviewed scientific journal. The journal covers all scientific and technological aspects of composite materials and their structures, including physical, chemical, artificial, mechanical, and other properties of Composite Materials as well as microscopic to macroscopic behavior studied both experimentally and theoretically.

Richard Degenhardt

Editorial Board Member of International Journal of Composite Materials

Professor, DLR German Aerospace Center, Institute of Composite Structures and Adaptive Systems, Department Structural Mechanics, Germany

Research Areas

Whole aircraft design, Stability of composite structures, Model building and analysis tools, Development of fast design tools, Experimental analysis methods in the area of stability

Experience

Since 2008Professor for Stability of Composite Structures at the Private University of Applied Sciences Göttingen (site Stade), 50% job
Since 2012Co-ordinator of the EU project DESICOS, www.desicos.eu
Since 2010Technical Manager of the International Forum for Aviation Research (IFAR) and co-ordinator of the EU project IFARs (Support Action for IFAR), www.ifar.aero
Since 2008Chairman of the "International Conference Supply on the Wings", which is part of the yearly aerospace fair Airtec, www.airtec.aero
2004 - 2008Co-ordinator of the EU project COCOMAT, www.cocomat.de
Since 2000Scientist at DLR, Institute of Composite Structures and Adaptive Systems in the field of Structural Mechanics
1996 - 2000Structural engineer in the company J. Behrens, Wolfenbüttel
1990 - 1996Research assistant at the Institute of Applied Mechanics of the Technical University of Braunschweig, Topic: Development of boundary-element methods and coupling with finite elements, Final degree: PhD
1985 - 1990Study of civil engineering at the Technical University of Braunschweig, Specialisation: mechanics, Statics and Steel structures

Publications: Conferences/Workshops/Symposiums/Journals/Books

[1]  Degenhardt, Richard and Szodruch, Joachim and Plass, Simon (2011) IFAR – The International Forum for Aviation Research. In: Future Aeronautical Communications InTech. pp. 335-348. ISBN 978 953 307 625 6.
[2]  Szodruch, Joachim and Degenhardt , Richard (2011) IFAR - International Forum for Aviation reseach. Aerodays 2011, 30. März - 01. April 2011, Madrid, Spanien.
[3]  Degenhardt, Richard (2011) Improved Exploitation of Composite Airframe Structures by Accurate Simulation of Collapse – The COCOMAT project. Aeronautics Days, 30. März - 1. April 2011, Madrid, Spanien. Volltext nicht online.
[4]  Degenhardt, Richard (2011) Auslegung von zukünftigen Flugzeugstrukturen aus CFK bezüglich Stabilität. Ingenieurspiegel, 1/2011, pp. 70-71. Public Verlagsgesellschaft und Anzeigenagentur mbH. ISSN 1868-5919. Volltext nicht online.
[5]  Degenhardt, Richard (2010) Buckling of Composite Laminated Shells. Imperial College Press. [Other] Volltext nicht online.
[6]  Doreille, Mathias and Merazzi, Silvia and Degenhardt, Richard and Rohwer, Klaus (2010) POSTBUCKLING ANALYSIS OF COMPOSITE SHELL STRUCTURES: TOWARD FAST AND ACCURATE TOOLS WITH IMPLICIT FEM METHODS. International Journal of Structural Stability and Dynamics (Sonderband), 10 (4), pp. 941-948. Imperial College Press. ISSN 0219-4554 (Online-ISSN: 1793-6764). Volltext nicht online.
[7]  Kalnins, Kaspars and Rikards, Rolands and Auzins, Janis and Bisagni, Chiara and Abramovich, Haim and Degenhardt, Richard (2010) Metamodeling methodology for postbuckling simulation of Damaged composite stiffened structures with physical validation. International Journal of Structural Stability and Dynamics (Sonderband), 10 (4), pp. 705-717. Imperial College Press. ISSN 0219-4554 (Online-ISSN: 1793-6764). Volltext nicht online.
[8]  Orifici, Adrian C. and Thomson, Rodney S. and Degenhardt, Richard and Bisagni, Chiara and Bayandor, Javid (2010) AN ANALYSIS TOOL FOR DESIGN AND CERTIFICATION OF POSTBUCKLING COMPOSITE AEROSPACE STRUCTURES. International Journal of Structural Stability and Dynamics (Sonderband), 10 (4), pp. 669-683. Imperial College Press. ISSN 0219-4554 (Online-ISSN: 1793-6764). Volltext nicht online.
[9]  Silva, Nuno M.F. and Degenhardt, Richard and Camotim, D. and Silvestre, N. (2010) On the Use of Generalised Beam Theory to assess the Buckling and Post-Buckling Behaviour of Laminated CFRP Cylindrical Stiffened Panels. International Journal of Structural Stability and Dynamics (Sonderband), 10 (4), pp. 737-761. Imperial College Press. ISSN 0219-4554 (Online-ISSN: 1793-6764). Volltext nicht online.
[10]  Wilckens, Dirk and Degenhardt, Richard and Rohwer, Klaus and Zimmermann, Rolf and Kepke, Markus and Hildebrandt, Bernd and Zipfel, Ary (2010) Cyclic buckling tests of pre-damaged CFRP stringer stiffened panels. International Journal of Structural Stability and Dynamics (Sonderband), 10 (4), pp. 827-853. Imperial College Press. ISSN 0219-4554 (Online-ISSN: 1793-6764). Volltext nicht online.
[11]  Degenhardt, Richard and Kling, Alexander and Bethge, Arne and Orf, Jana and Kärger, Luise and Zimmermann, Rolf and Rohwer, Klaus and Calvi, Adriano (2010) Investigations on imperfection sensitivity and deduction of improved knock-down factors for unstiffened CFRP cylindrical shells. Composite Structures, 92 (8), pp. 1939-1946. Elsevier Ltd.. DOI: 101016/j.compstruct.2009.12.014. ISSN 0263-8223.
[12]  Degenhardt, Richard and Wiedemann, Martin and Hermann, Axel and Baar, Andreas (2010) Challenges in the design of future structures made of CFRP. In: Tagungsband, ATZ live, „Challenges in the design of future structures made of CFRP”, 15 Seiten, Proceedings bei der Konferenz erschienen. 11th Int. Conference for Car Body Design (Karosseriebautage), 11. -12. Mai 2010, Hamburg, Deutschland.
[13]  Lee, M.C.W. and Mikulik, Z. and Kelly, D.W. and Thomson, R. and Degenhardt, Richard (2010) Robust design – A concept for imperfection insensitive composite structures. Composite Structures, 92 (6), pp. 1469-1477. Elsevier Ltd.. DOI: 101016/j.compstruct.2009.09.0549. ISSN 0263-8223.
[14]  Arbocz, J. and Bisagni, C. and Calvi, A. and Carrera , E. and Cuntze , R. and Degenhardt , Richard and Gualtieri , N. and Haller , H. and Impollonia , N. and Jacquesson , M. and Jansen , E. and Meyer-Piening, H.-R. and Oery , H. and Rittweger , A. and Rolfes, R. and Schullerer , G. and Turzo , G. and Weller, T. and Wijker , J. (2010) Space engineering - Buckling of structures ECSS-E-HB-32-24A. ESA Requirements and Standards Division.
[15]  Lee, M.C.W. and Kelly, D.W. and Degenhardt, Richard and Thomson, R. (2010) A study on the robustness of two stiffened composite fuselage panels. Composite Structures, 92 (2), pp. 223-232. Elsevier Ltd.. DOI: 10.1016/j.compstruct.2009.07.009. ISSN 0263-8223.
[16]  Orifici, A.C. and Thomson, R.S. and Degenhardt, Richard and Bisagni, C. and Bayandor, J. (2009) A finite element methodology for analysing degradation and collapse in postbuckling composite aerospace structures. Journal of Composite Materials, 43 (26), pp. 3239-3263. DOI: 10.1177/0021998309345294.
[17]  Degenhardt, Richard (2009) Challenges for a multidisciplinry design of the future aircraft. Conference on Interdisciplinary research at German universities, 16. Okt. 2009, Riga, Latvia.
[18]  Degenhardt, Richard (2009) Challenges for a multidisciplinry design of the future aircraft. Conference on Interdisciplinary research at German universities, 16. Okt. 2009, Riga, Latvia.
[19]  Degenhardt, Richard and Baars, Andreas (2009) CFK Anwendung im Flugzeugbau und Schiffbau. Schifffahrt meets Luftfahrt – Synergieeffekte und übergreifende Projekte, 29.10.2009, Hamburg.
[20]  Degenhardt, Richard (2009) Future Design for Composite Airframe Panels. Asian Aerospace Shenyang Congress, 07.-09. Juli 2009, Shenyang, China.
[21]  Degenhardt, Richard (2009) New Achievements in Stability of Composite Structures. Asian Aerospace Shenyang Congress, 07.-09. Juli 2009, Shenyang, China. Volltext nicht online.
[22]  Degenhardt, Richard and Wilckens, Dirk and Rohwer, Klaus and Kepke, Markus and Hildebrandt, Bernd and Zipfel, Ary (2009) Experiments on buckling and postbuckling of thin-walled CFRP structures. 3rd European Conference for Aero-Space Sciences, 06.-09. Juli 2009, Paris, France.
[23]  Lee, Merrill C.W. and Kelly, Donald W. and Thomson, R.S. and Degenhardt, Richard (2009) ROBUST DESIGN – AN EVOLUTION FOR IMPERFECTION INSENSITIVE COMPOSITE STRUCTURES. 15th International Conference on Composite Structures ICCS 15, 15.-17. Juni 2009, Porto, Portugal.
[24]  Bruyneel, M. and Degenhardt, Richard and Delsemme, J. (2009) An industrial solution to simulate post-buckling and damage of composite panels. JEC Composites Magazine, 48, pp. 38-39.
[25]  Degenhardt, Richard (2009) New achievements in stability of unstiffended CFRP structures. Int. Conference on Computational & Experimental Engineering and Sciences, 8.-13. April 2009, Phuket, Thailand.
[26]  Degenhardt, Richard (2009) Strategien für das Maßschneidern von Faserverbundstrukturen in der Luft- und Raumfahrt. Hannover Industrie-Messe, Suppliers Convention, 21. April 2009, Hannover, Deutschland.
[27]  Kelly, D. and Lee, M.C.W. and Thomson, R.S. and Orifici, A. and Degenhardt, Richard (2009) Collapse Analysis, Defect Sensitivity and Load Paths in Stiffened Shell Composite Structures. Int. Conference on Computational & Experimental Engineering and Sciences, 8.-13. April 2009, Phuket, Thailand.
[28]  Kelly, D.W. and Lee, M.C.W. and Orifici, A.C. and Thomson, R.S. and Degenhardt, Richard (2009) Collapse Analysis, Defect Sensitivity and Load Paths. Computers, Materials and Continua, 10 (2), pp. 163-194. Tech Science Press. ISSN 1546-2218 (print) 1546-2226 (on-line).
[29]  Kelly, D.W. and Lee, M.C.W. and Orifici, Adrian and Thomson, R.S. and Degenhardt, Richard (2009) Collapse Analysis, Defect Sensitivity and Load Paths. Computers, Materials and Continua, 10 (2), pp. 163-194. Tech Science Press. ISSN 1546-2218 (printed), 1546-2226 (online).
[30]  Degenhardt, Richard (2008) New Achievements in Stability of Composite Structures. Airtec 3rd Int. Conference "Supply on the Wings", 2008-11-11 - 2008-11-13, Frankfurt, Deutschland. (Unpublished).
[31]  Degenhardt, Richard and Teßmer, Jan and Kling, Alexander (2008) Collapse Behavior of Thin-Walled CFRP Structures due to Material and Geometric Nonlinearities–Experiments and Simulation. In: ICAS 2008 CD-ROM Proceedings. ICAS - International Council of the Aeronautical Sciences, 2008-09-14 - 2008-09-19, Anchorage, Alaska (USA). ISBN 0-9533991-9-2.
[32]  Degenhardt, Richard (2008) CHALLENGES IN THE DESIGN OF FUTURE STRUCTURES MADE OF CFRP. 2nd South African international aerospace symposium, 2008-09-14- 2008-09-16, Stellenbosch, Südafrika. (Unpublished).
[33]  Caruso, A. and Pietroni, V. and Masiero, E. and Degenhardt, Richard (2008) Material properties, design of structures and degradation models. In: Proceedings of the 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures. 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures, 2008-09-03 - 2008-09-05, Braunschweig, Deutschland.
[34]  Degenhardt, Richard and Wilckens, Dirk and Rohwer, Klaus (2008) Buckling and collapse tests using advanced measurement systems. In: Proceedings of the 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures. 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures, 2008-09-03 - 2008-09-05, Braunschweig, Deutschland.
[35]  Degenhardt, Richard and Wilckens, Dirk and Rohwer, Klaus and Zimmermann, Rolf and Teßmer, Jan (2008) Improved Material Exploitation of Composite Airframe Structures by Accurate Simulation of Collapse - The COCOMAT project. In: Proceedings of the 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures. 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures, 2008-09-03 - 2008-09-05, Braunschweig, Deutschland.
[36]  Lee, M. and Thomsen, R. and Degenhardt, Richard and Kelly, D.W. (2008) A stochastic study on the robustness of a stiffened composite structure. In: Proceedings of the 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures. 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures, 2008-09-03 - 2008-09-05, Braunschweig, Deutschland.
[37]  Orf, Jana and Degenhardt, Richard and Bethge, Arne and Kärger, Luise (2008) The influence of imperfections on the buckling behavior of unstiffened CFRP-cylinders. In: Proceedings of the 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures. 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures, 2008-09-03 - 2008-09-05, Braunschweig, Deutschland.
[38]  Orifici, Adrian and Thomson, R.S. and Degenhardt, Richard (2008) An analysis tool for design and certification of postbuckling composite aerospace structures. In: Proceedings of the 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures. 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures, 2008-09-03 - 2008-09-05, Braunschweig, Deutschland.
[39]  Rikards, R. and Kalnins, K. and Degenhardt, Richard (2008) Overview of slow computational and fast simulation tools developed during the project COCOMAT. In: Proceedings of the 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures. 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures, 2008-09-03 - 2008-09-05, Braunschweig, Deutschland.
[40]  Silva, N.M. and Degenhardt, Richard and Camotim, D. and Silvestre, N. (2008) Application of generalised beam theory to the study of the stability behaviour of laminated CFRP cylindrical stiffened panels. In: Proceedings of the 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures. 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures, 2008-09-03 - 2008-09-05, Braunschweig, Deutschland.
[41]  Steinmüller, Patrick and Degenhardt, Richard and Rohwer, Klaus (2008) Investigations of axially loaded unstiffened CFRP cylindrical shells subject to single perturbation loads. In: Proceedings of the 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures. 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures, 2008-09-03 - 2008-09-05, Braunschweig, Deutschland.
[42]  Wang, H. and Büschel, A. and Degenhardt, Richard (2008) Empirical formula for the critical pertubation load. In: Proceedings of the 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures. 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures, 2008-09-03 - 2008-09-05, Braunschweig, Deutschland.
[43]  Wilckens, Dirk and Degenhardt, Richard and Rohwer, Klaus (2008) IBUCK - A fast simulation tool for the design of CFRP aerospace structures. In: Proceedings of the 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures. 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures, 2008-09-03 - 2008-09-05, Braunschweig, Deutschland.
[44]  Degenhardt, Richard and Rohwer, Klaus and Wilckens, Dirk and Teßmer, Jan (2008) Improved Material Exploitation of Composite Airframe Structures by Accurate Simulation of Collapse – The COCOMAT project. 48th Israel Annual Conference on Aerospace Sciences, 2008-02-27 - 2008-02-28, Tel Aviv, Israel. (Unpublished).
[45]  Wilckens, Dirk and Degenhardt, Richard and Kepke, Markus and Hildebrandt, Bernd and Rohwer, Klaus and Teßmer, Jan and Gleiter, Andreas (2008) Experiments to detect the damage progress of axially compressed CFRP panels under cyclic loading. 48th Israel Annual Conference on Aerospace Sciences, 2008-02-27 - 2008-02-28, Tel Aviv, Israel. (Unpublished).
[46]  Orifici, Adrian and Thomson, R.S. and Degenhardt, Richard and Kling, Alexander and Rohwer, Klaus and Bayandor, J. (2008) Degradation investigation in a postbuckling composite stiffened fuselage Panel. Composite Structures, 82 (2), pp. 217-224. Elsevier Ltd.. DOI: 10.1016/j.compstruct.2007.01.012. ISSN 0263-8223.
[47]  Aschenbrenner, Lars and Baaran, Jens and Degenhardt, Richard and Kärger, Luise and Temmen, Hubert and Teßmer, Jan and Wetzel, Anja (2007) Schlussbericht KRAFT Versagenskriterien und Analyse von Faserverbund-Rumpf-Tragwerken. DLR-Interner Bericht. DLR-IB 131-2007/41, 27 S.
[48]  Degenhardt, Richard and Bethge, Arne and Kling, Alexander and Zimmermann, Rolf and Rohwer, Klaus and Teßmer, Jan and Calvi, Adriano (2007) Probabilistic approach for improved buckling knock-down factors of CFRP cylindrical shells. First CEAS European Air and Space Conference, 2007-09-10 - 2007-09-13, Berlin, Deutschland.
[49]  Degenhardt, Richard and Bethge, Arne and Rohwer, Klaus and Zimmermann, Rolf and Kling, Alexander (2007) Probabilistic Approach for better Buckling Knock-down Factors of CFRP Cylindrical Shells - Tests and Analyses. 18th Engineering Mechanics Division Conference of the American Society of Civil Engineers, 2007-06-03 - 2007-06-06, Blacksburg, Virginia, USA.
[50]  Degenhardt, Richard and Kling, Alexander and Hillger, Wolfgang and Goetting, Hans Christian and Zimmermann, Rolf and Rohwer, Klaus and Gleiter, Andreas (2007) Experiments on Buckling and Postbuckling of Thin-Walled CFRP Structures using Advanced Measurement Systems. International Journal of Structural Stability and Dynamics, 7 (2), pp. 337-358. DOI: 10.1142/S0219455407002253.
[51]  Rohwer, Klaus and Degenhardt, Richard (2007) Simulating Postbuckling Behaviour and Collapse of Stiffened CFRP Panels. NAFEMS World Congress 2007, 2007-05-22 - 2007-05-25, Vancouver, Kanada.
[52]  Aschenbrenner, Lars and Temmen, Hubert and Degenhardt, Richard (2007) Tailored Fibre Placement Technology – Optimisation and computation of CFRP structures. Advances in Design and Analysis of Composite Structures - ESAComp Users' Meeting 2007, 2007-04-24 - 2007-04-25, Braunschweig (Deutschland).
[53]  Degenhardt, Richard and Teßmer, Jan (2007) Improved Design Scenario for Composite Airframe Structures. 48th AIAA Conference on Structures, Structural Dynamics and Materials, 2007-0423 - 2007-04-26, Hawaii, USA.
[54]  Degenhardt, Richard and Teßmer, Jan (2007) New Achievements in Stability of Composite Airframe Structures. In: Proceedings of the 12th Australian International Aerospace Congress. 12th Australian International Aerospace Congress, 2007-03-19 - 2007-03-22, Melbourne, Australien.
[55]  Degenhardt, Richard and Teßmer, Jan (2007) New Achievements in Stability of Composite Airframe Structures. Seminar to the Melbourne Chapter of the ACSS, 2007-03-09, Melbourne, Australien.
[56]  Degenhardt, Richard and Kling, Alexander and Rohwer, Klaus and Orifici, A. and Thomson, R.S. (2007) Design and Analysis of Stiffened Composite Panels Including Postbuckling and Collapse. Computers and Structures. Elsevier Ltd.. DOI: 10.1016/j.compstruc.2007.04.022. ISSN 0045-7949.
[57]  Orifici, Adrian and Thomson, R.S. and Degenhardt, Richard and Büsing, S. and Bayandor, J. (2007) Development of a Finite Element Methodology for Modelling Mixed-Mode Delamination Growth. AIAAC12 - 12th Australian International Aerospace Congress, Melbourne, Australien, AIAAC12 - 12th Australian International Aerospace Congress.
[58]  Orifici, Adrian and Thomson, R.S. and Degenhardt, Richard and Bisagni, C. and Bayandor, J. (2007) Development of a finite element methodology for the propagation of delaminations in composite structures. Mechanics of Composite Materials, 43 (1), pp. 9-28. Springer New York. DOI: 10.1007/s11029-007-0001-7. ISSN 0191-5665 (Print) 1573-8922 (Online).
[59]  Degenhardt, Richard and Kling, Alexander and Rohwer, Klaus and Orifici, A. and Thomson, R.S. (2007) Design and Analysis of Stiffened Composite Panels Including Postbuckling and Collapse. Computers and Structures, 86, pp. 919-929. Elsevier Ltd.. DOI: 10.1016/j.compstruc.2007.04.022. ISSN 0045-7949.
[60]  Degenhardt, Richard and Wilckens, Dirk and Klein, Herrmann and Kling, Alexander and Hillger, Wolfgang and Goetting, Hans Christian and Rohwer, Klaus and Gleiter, Andreas (2007) Experiments to Detect Damage Progression in Axially Compressed CFRP Panels Under Cyclic Loading. Key Engineering Materials, 38, pp. 1-24. Trans Tech Publications Inc.. ISSN 1013-9826.