VERÖFFENTLICHUNGEN (ab 1999)

WINDINGENIEURWESEN UND STRÖMUNGSMECHANIK (ab 2010)
AERODYNAMIK UND STRÖMUNGSMECHANIK IM BAUWESEN (bis 2010)
AERODYNAMIK IM BAUWESEN (bis 2003)

Erscheinungsjahr

2019


Tewolde, S.; Höffer, R.; Haardt, H.; Krieger, J.:
"Structural Health Monitoring results as an input for asset management of offshore wind turbine support structures"
5th International Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures (SMAR2019). 27 - 29 August 2019 in Potsdam, Germany

Tewolde, S.; Höffer, R.; Haardt, H.:
"Structural health monitoring for asset management of offshore wind farms"
Wind Energy Science Conference (WESC2019). 17-20 June 2019. Cork, Ireland

Kalender, C.:
"Modellierung von lokalen Ausbreitungsvorgängen in der bodennahen atmosphärischen Grenzschicht"
Gefahrstoffe - Reinhalung der Luft, 7/8-2019, Nr. X916, pages 276 - 286, 2019

Wu, Y.; Ming, T.; de Richter, R.; Höffer, R.; Niemann, H.-J.:
"Large-scale freshwater generation from the humid air using the modifield solar chimney"
Elsevier, Renewable Energy 146 (2020) pages 1325 - 1336, 2019 DOI

Meskouris, K.; Butenweg, C.; Hinzen,K.-G.; Höffer, R.:
"Structural Dynamics with Applications in Earthquake and Wind Engineering". Berlin, Heidelberg: Springer Berlin Heidelberg, 2019 DOI

Winkelmann, U.; Kämper, C.; Höffer, R.; Forman, P.; Ahrens, M.A.; Mark, P.:
“Wind Actions on Large-Aperture Parabolic Trough Solar Collectors: Wind Tunnel Tests and Structural Analysis.” Renewable Energy 146 (February 2020): 2390–2407 DOI

2018


Sarkic Glumac, A.; Hermida, H.; Höffer, R.:
"Wind energy potential above a high-rise building influenced by neighboring buildings: An experimental investigation"
Journal of Wind Engineering & Industrial Aerodynamics 175, 2018

Lupi, F.; Niemann, H.-J.; Höffer, R.:
"Aerodynamic damping model in vortex-induced vibrations for wind engineering applications"
Journal of Wind Engineering & Industrial Aerodynamics 174, 2018

Ratkovac, M.; Höffer R.:
"Experiment-based model verification for the wind load identification at an existing wind turbine, Wind Energy Harvesting (focusing on axploitation of the Mediterranean area"
(WINERCOST`18), March 21-23, 2018, Catanzaro Lido, Italy, 2018

Ratkovac, M.; Höffer R.; Andrianne, T.:
"Vibration monitoring of an HAWT in wind tunnel, Wind Energy Harvesting (focusing on axploitation of the Mediterranean area)"
(WINERCOST`18), March 21-23, 2018, Catanzaro Lido, Italy, 2018

Tewolde, S.; Höffer R.; Haardt, H.; Krieger, J.:
"Lessons learned from practical structural health monitoring of offshore wind turbine support structures in the North Sea"
The International Conference on wind energy harvesting 2018(WINERCOST`18), March 21-23, 2018, Catanzaro Lido, Italy, 2018

Höffer R.; Tewolde, S.; Niemann, H.-J.:
"Measurement-based optimization of structures for renewable energy production"
The International Conference on wind energy harvesting 2018(WINERCOST`18), March 21-23, 2018, Catanzaro Lido, Italy, 2018

Lupi, F.; Niemann, H.-J.; Höffer, R.:
"A Model Extension for Vortex-Induced Vibrations"
Proc. of the XV Conference of the Italian Association for Wind Engineering, Naples, Italy, 10. - 12.9.2018

Bächlin, W; Bauhofer, B.; Eipper, T.; Harms, F.; Hildebrand, V.; Höffer, R.; Kalender, C.;Leitl, B.; Lieb, R.D.; Theurer, W.:
"Richtlinien für die physikalische Modellierung bodennaher atmosphärischer Strömungs- und Transportprozesse ... was braucht die Praxis?"
in: METTOOLS X, Deutschsprachige Fachtagung des Fachausschusses Umweltmeteorologie (FA UMET) der Deutschen Meteorologischen Gesellschaft, 25.-27. September 2018, Braunschweig

2017


Lupi, F.; Niemann, H.-J.; Höffer, R.:
"Limit Cycles in Vortex-Induced Vibrations: a Critical Analysis"
X. International Conference on Structural Dynamics, EURODYN, 2017

Lupi, F.; Niemann, H.-J.; Höffer, R.:
"A novel spectral method for cross-wind vibrations: Application to 27 full-scale chimneys"
Journal of Wind Engineering & Industrial Aerodynamics, 2017

Bogoevska, S., Spiridonakos, M., Chatzi, E., Dumova-Jovanoska, E., Höffer R.:
"A Data-Driven Diagnostic Framework for Wind Turbine Structures: A Holistic approach"
Sensors (Basel), 2017 Mar 30;17(4). pii: E720. doi: 10.3390/s17040720

Ratkovac, M.; Höffer R.:
"Experiments for the development of an inverse wind load reconstruction procedure for wind converters"
The International conference on wind energy harvesting (WINERCOST`2017)April 20-21, Coimbra, Portugal

Ratkovac, M.; Höffer R.:
"Inverse wind load reconstruction with application to wind turbine structures"
International conference Coordinating Engineering for Sustainability and Resilience (CESARE`17), May 3-8, 2017 Dead Sea, Jordan

Tewolde, S.; Höffer R.; Haardt, H.:
"Validated model based development of damage index for Structural Health Monitoring of offshore wind turbine support structures"
X International Conference on Structural Dynamics, EURODYN 2017, Rome, Sept. 10-13, 2017

Höffer R.; Tewolde, S.; Bogoevska, S.:
"Fatigue assessment and damage detection of wind turbine structures by continuous health mionitoring"
39th IABSE Symposium Vancouver 2017

Kalender, C., Tewolde, S., Wiedemann, S., Höffer R.:
"Impact of the Offshore Wind Farm Alpha Ventus on the local wind climate in the North Sea - Analysis of data from FINO1"
The International Conference on Wind Energy Harvesting 2017, 20‐21 April 2017, Coimbra, Portugal

Winkelmann, U., Lupi, F., Glumac, A., Höffer, R.:
"2017. Vortex induced vibrations on circular structures: Numerical modeling of aerodynamic loads"
in: Proceedings of the 7th European & African Conference on Wind Engineering, 2017, Liege

Winkelmann, U., Sarkic, A., Höffer, R.:
"Wind energy harvesting in the urban environment - Quality assessment of large eddy simulations of flow separations"
in: Proceedings of the Internatial Conference for Wind Energy Harvesting WINERCOST 17, 2017, Coimbra

Schoesser, B., Makhool, L., Kalender, C., Winkelmann, U., Thewes, M.:
"Experimental investigation and numerical simulation of non-Newtonian flow of bentonite suspension through porous media based on pore space description"
in: Book of Abstracts Interpore 9th International Conference on Porous Media & Annual Meeting, 2017, Rotterdam

Kalender, C.:
"Synergistic collaboration of experimental and numerical modelling of the turbulent atmospheric boundary layer flow for wind engineering applications"
In: Symposium »Perspectives on Turbulence and Wind Energy Research«, Institute of Physics Carl von Ossietzky University Oldenburg, 1st December 2017, Oldenburg, Germany (Invited Lecture)

Kalender, C.:
"Ermittlung von Messunsicherheiten zur Qualitätssicherung im physikalischen Windkanalversuch"
In: „Qualität im Windingenieurwese“- Vortragsband der 15. Dreiländertagung DACH 2017 der Windtechnologischen Gesellschaft e.V. ,19 und 20.10.2017 Lyngby, Kopenhagen, Herausgeber: Holger Koss, Hans Ruscheweyh, ISBN 3-928909-14-2

Kalender, C.; Görnandt, V.; Wang, Y.; Kosse, S.; Höffer, R.:
"A new measurement approach to analyse aeolian particle deposition with a 3D photogrammetry technique in the boundary layer wind tunnel"
In: The 7th European-African Conference on Wind Engineering” (EACWE 2017), July 4 - 7, 2017, Liege, Belgium

Schoesser, B.; Makhool, L.; Kalender, C.; Winkelmann, U.; Halisch, M.; Thewes, M.:
"Experimental investigation and numerical simulation of non-Newtonian flow of bentonite suspension through porous media based on a pore space description gained from µCT analysis"
In: 9th International Conference on Porous Media & Annual Meeting”, May 8-11 2017, Rotterdam, The Netherlands

Kalender, C.; Tewolde, S.; Wiedemann, S.; Höffer, R.:
"Impact of the offshore wind farm alpha ventus on the local wind climate in the North Sea – analysis of data from FINO1"
In: International Conference on Wind Energy Harvesting 2017, 20-21 April 2017, Coimbra, Portugal, TU1304 WINERCOST Action

2016


Kalender, C.; Zimmermann, S.; Wiedemann, S.; Tewolde, S.; Höffer, R.; Borri, C.:
"Impact of the Offshore Wind Farm Alpha Ventus on the local wind climate in the North Sea - Analysis of data from FINO1"
1st International TU1304 WINERCOST Conference, 2016

Höffer, R.; Tewolde, S.; Bogoevska, S.; Baitsch, M.; Zimmermann, S.; Barbanti, G.:
"Monitoring Based Identification for Structural Life Cycle Management of Wind Energy Converters
Europe and the Mediterranean towards a Sustainable Built Environment"
SBE16 Malta, 2016

Tewolde, S.; Haardt, H.; Höffer, R.; Bogoevska, S.:
"Structural Health Monitoring of Wind Energy Converters for Life Cycle Management"
International Applied Reliability Symposium (ARS) Europe - April 4 - 6, 2016 - Munich, Germany

Höffer, R.; Tewolde, S.; Bogoevska, S.; Dumova-Jovanoska, E.:
"Vibration-based Health Monitoring of Slender Structures"
ICCT 2016 Industrial Chimneys & Cooling Towers, Rotterdam, 2016

Borri, C., Gerasimov, S., Guberti, E., Quadrado, J.C., Umankulova, O., Winkelmann, U. (Eds.):
"The QUEECA experience"
Firenze University Press, 2016, Florence.

2015


Höffer, R.; Tewolde, S.; Haardt, H.; Bogoevska, S.:
"Monitoring Techniques for the Detection of Fatigue Damages at Wind Energy Converters"
WINERCOST Workshop ‘Trends and Challenges for Wind Energy Harvesting’. Coimbra, Portugal, 2015

Höffer, R.; Hartmann, D.; Baitsch, M.; Barbanti, G.; Bogoevska, S.; Tewolde, S.; Zimmermann, S.:
"Monitoring methods for the structural life cycle management of wind energy converters, Einwirkungen auf Ingenieurtragwerke und Sicherheitskonzepte"
80. Lebensjahres Festschrift Prof. Hans- Jürgen Niemann. Oktober 2015

Höffer, R.; Vogel, W.; Lichtenthäler, K.; Reddel, J.; Stojanovski, K.:
"Fortschreibung der Grundlagen- und Einwirkungsnormung - Auswirkungen auf die Tragwerksbemessung am Beispiel einer Stahlhalle unter Wind- und Schneelasten"
80. Lebensjahres Festschrift Prof. Hans- Jürgen Niemann. Oktober 2015

Höffer, R.; Bogoevska, S.; Tewolde, S.:
"Analysis of monitoring data for the response assessment of Wind Energy Converter structures"
TU 1304 - WINERCOST - WG2 - 3rd meeting. Belgrade, Serbia, 2015

Forman, P.; Müller, S.; Ahrens, M. A.; Schnell, J.; Mark, P.; Höffer, R.; Hennecke, K.; Krüger, J.:
"Light concrete shells for parabolic trough collectors – Conceptual design, prototype and proof of accuracy"
Solar Energy 111 (2015), S. 364-377

Kalender, C.:
"Unsicherheiten in der numerischen und physikalischen Modellierung von Staubausbreitungen in der unteren atmosphärischen Grenzschicht"
in: Einwirkungen auf Ingenieurtragwerke und Sicherheitskonzepte, Festschrift Prof. Hans-Jürgen Niemann, November 2015, Herausgeber: Rüdiger Höffer und Norbert Hölscher, ISBN: 978-3-00-051864-5

2013


Oya, J.; Kalender, C.; Winkelmann, U.; Höffer, R.:
"Experimental and numerical investigation of the dust transport at the reflector panels of a parabolic trough power"
European-African Conference on Wind Engineering , Cambridge, United Kingdom, 2013

Kalender, C.; Winkelmann, U.; Höffer, R.:
"Solar Energy Systems under Impact of Aeolian Sand and Dust"
The Fifth International Conference on Structural Engineering, Mechanics and Computation, Cape Town, South Africa, 2013

Kalender-Wevers, C.; Stahra, B.; Hölscher, N.; Höffer, R.:
"Validierte numerische Simulation von Winddrücken an einem freistehenden Photovoltaikmodul"
in: „Windeinwirkung in urbaner Umgebung“ – Vortragsband der 13. Dreiländertagung DACH 2013 der Windtechnologischen Gesellschaft e.V. ,10 und 11.10.2013 Wien, Herausgeber: Christian Bucher

Kalender-Wevers, C.; Winkelmann, U.; Höffer, R.:
"Solar Energy Systems under Impact of Aeolian Sand and Dust"
in: “Research and Applications in Structural Engineering, Mechanics & Computation: Proceedings of the Fifth International Conference on Structural Engineering, Mechanics & Computation” (SEMC2013), Cape Town, South Africa, 2-4 September 2013, ISBN 978-1-138-00061-2

Oya, J.; Kalender-Wevers, C.; Winkelmann, U.; Höffer, R.:
"Experimental and numerical investigation of the dust transport at the reflector panels of a parabolic trough power plant
in: European-African Conference on Wind Engineering (EACWE2013), Cambridge, United Kingdom, 7-11 July 2013

2012


Harte, R.; Höffer, R.; Krätzig, W.; Mark, P.; Niemann, H.-J.:
"Solare Aufwindkraftwerke: Ein Beitrag der Bautechnik zur nachhaltigen und wirtschaftlichen Windenergierzeugung"
in: Bautechnik 89, Heft 3, S.173-181, Ernst & Sohn, Berlin, 2012

Sarkic, A.; Fisch, R.; Höffer, R.; Bletzinger, K.-U.:
"Bridge flutter derivates based on computed, validated pressure fields"
in: Journal of Wind Engineering & Industrial Aerodynamics 2012

Wevers, C.; Höffer, R.:
"Physical and numerical modelling of dust dispersion in the leeward zone of two single-standing buildings"
in: The Seventh International Colloquium on Bluff Body Aerodynamics and Applications (BBAA7), Shanghai, China, 2-6 September 2012

2011


Höffer, R.; Niemann, H-J.:
"Die Windlastnorm DIN EN 1991-1-4 mit Nationalem Anhang und ihre bauaufsichtliche Einführung"
in: Bauingenieur - Fachteil WtG, Heft 10, Band 86, S.2-7, Oktober 2011, Springer Verlag, ISSN: 0005-6650

Lachmann, S.; Liu, X.; Hartmann, D.; Höffer, R.; Leimbach, K. R.:
"Betriebsfestigkeitsuntersuchung anhand gemessener Verformungen und spezieller Systemidentifikation am Turm einer Windenergieanlage"
in: H. Ruscheweyh (Hrsg.), WtG-Berichte Nr. 12, Windeinwirkungen im Spiegel der europäischen Normung, Vortragsband der 12. Dreiländertagung D-A-CH 2011 der Windtechnologischen Gesellschaft e.V., pp. 141-152, Aachen, 10. – 11. November 2011, ISBN 3-928909-11-8

Lachmann, S.; Liu, X.; Leimbach, K. R.; Höffer, R.; Hartmann, D.:
"Structural damage recognition at a wind energy converter by response monitoring and comparative wind tunnel tests"
in: EVACES 2011, 3rd – 5th October 2011, Varenna, Italy, ISBN 978-88-96225-39-4, pp. 213-220, 2011

Lachmann, S.; Liu, X.; Leimbach, K. R.; Höffer, R.; Hartmann, D.; Baitsch, M.:
"Structural lifetime prediction based on monitored structural responses of a wind energy converter"
in: 35th IABSE Symposium "Taller, Longer, Lighter", 20th – 23rd September 2011, London, UK, ISBN 978-0-7079-7122-3, 2011

Lachmann, S.; Liu, X.; Leimbach, K. R.; Höffer, R.; Hartmann, D.:
"Monitoring und kontinuierliche Systemidentifikation der Tragstruktur einer Windenergieanlage zur Schädigungsverfolgung"
in: C. Könke (Hrsg.), 12. D-A-CH Tagung – Erdbeben und Baudynamik, 15.-16. September 2011, Hannover, DGEB Publikation 2011-01, ISBN 3-930108-11-9, 2011

Šarkić, A.; Wevers, C.; Neuhaus, Ch.; Höffer, R.:
"Numerische Simulation zur Berechnung bewegungsinduzierter Kräfte an Brückenquerschnitten"
in: Bauingenieur - Fachteil WtG, Heft 5, Band 86, S.4-8, Mai 2011, Springer Verlag, ISSN: 0005-6650

Wevers, C; Höffer, R.:
"Partikeltransport in der bodennahen Atmosphäre – diffuse Staubquellen"
in: Windeinwirkung im Spiegel der europäischen Normung –Vortragsband der 12. Dreiländertagung DACH 2011 der Windtechnologischen Gesellschaft e.V. ,10 und 11.11.2011 Aachen, Herausgeber: Hans Ruscheweyh, ISBN: 3-928909-11-8



2010


Höffer, R.; Wevers, C.; Görnandt, V.:
"Transport and deposition of dust on the collector surface"
in: Solar Chimney Power Technology (SCPT2010), Bochum, Germany, 28.-30- September 2010

Hölscher, N.; Höffer, R.; Niemann, H.J; Tschersich, M.:
"Aerodynamic basics of wind loading patterns at the collector glass roof"
in: Solar Chimney Power Technology (SCPT2010), Bochum, Germany, 28.-30- September 2010

Krätzig, W.B.; Bottenbruch, H.; Harte, R.; Höffer, R.; Mark, P.; Niemann, H.-J.:
"Aufwindkraftwerke - Solarstrom aus der Wüste"
Bautechnik 87(2), 2010, S. 116-119

Lachmann, S.; Höffer, R.; Baitsch, M.; Hartmann, D.:
"Structural health monitoring of the steel tower of a wind energy converter"
in: XIIth Bilateral Czech/German Symposium "Experimental Methods and Numerical Simulation in Engineering Science", 30th June – 3rd July 2010, Lidice-Haus, Bremen, 2010

Wevers, C., Franke, J., Höffer, R., Hugo, A.:
"Numerical modelling of pollution dispersion from partly open industrial halls using a Lagrangian particle tracking method"
in: The Fifth International Symposium on Computational Wind Engineering (CWE2010), 23.-27. Mai 2010, Chapel Hill, North Carolina, USA

2009


Neuhaus, Ch., Roesler, S., Höffer, R., Hortmanns, M., Zahlten, W.:
"Ein neuer Versuchsstand zur Bestimmung aeroelastischer frequenzabhängiger Flatterderivative nach der Methode der geführten Bewegung"
in: Windingenieurwesen in Forschung und Praxis, 11. Dreiländertagung D-A-CH 2009, Windtechnologische Gesellschaft e.V., Braunschweig, 19.-20.11.2009, ISBN 3-928909-10-X


Höffer, R., et al:
"Damage-Oriented Actions and Environmental Impact on Materials and Structures"
in: Stangenberg, F., Breitenbücher, R., Bruhns, O.T., Hartmann, D., Höffer, R., Kuhl, D., Meschke, G. (co-authors and Editors)
Lifetime-Oriented Structural Design Concepts, ISBN 978-3-642-01461-1, Springer-Verlag, 2009

Höffer, R. (co-author and co-editor) et. al.:
"Life-time oriented Structural Design Methdos"
monography, ISBN 978-3-642-01461-1, Springer-Verlag Berlin-Heidelberg, 2009.

Lupi, F., Borri, C., Höffer, R., Krätzig, W.B., Niemann, H.J.:
"Simulating wind loads and response of updraft solar towers"
in: Windingenieurwesen in Forschung und Praxis, 11. Dreiländertagung D-A-CH 2009, Windtechnologische Gesellschaft e.V., Braunschweig, 19.-20.11.2009, ISBN 3-928909-10-X

Lachmann, S., Höffer, R., Baitsch, M., Hartmann, D.:
"Monitoring schädigungsrelevanter Einwirkungen am Turm einer Windenergieanlage"
in: Windingenieurwesen in Forschung und Praxis, 11. Dreiländertagung D-A-CH 2009, Windtechnologische Gesellschaft e.V., Braunschweig, 19.-20.11.2009, ISBN 3-928909-10-X

Lachmann, S., Baitsch, M., Hartmann, D., Höffer, R.:
"Structural lifetime prediction for wind energy converters based on health monitoring and system identification"
EACWE 5, Florence, Italy, 19th-23rd July 2009

Stangenberg, F.; Breitenbücher, R.; Bruhns, O. T.; Hartmann, D.; Höffer, R.; Kuhl, D.; Meschke, G.
"Lifetime-Oriented Structural Design Concepts"
Springer Heidelberg-Berlin, ISBN 978-3-642-01461-1, 2009

2008


Höffer, R.; Niemann, H.-J.; Hortmanns, M.:
"Windeinwirkungen auf Tragwerke"
in: 15. Brandenburgischer Bauingenieurtag (BBIT), H. Pasternak (Hrsg.), Schriftenreihe Stahlbau, Heft 5, S. 10 ff., 2008

Höffer, R.; Lachmann, S.; Pospisil, S.:
"Transition of flow-induced bridge girder oscillations from resonance to critical and post-critical behaviour"
in: Zolotarev, I.; Horacek, J. (eds.): Flow-induced vibration. Proceedings of the 9th International Conference on flow-induced vibration - FIV 2008, Prague, Czech-Republic, S. 669-674, ISBN 80-87012-12-7 , 30 June - 3 July, 2008

Lachmann, S.; Höffer, R.; Pospisil, S.:
"Experimental requirements for the identification of non-linear models of aeroelastic forces on bridge girders"
in: XIth Bilateral Czech/German Symposium "New Trends in Experimental Methods together with Advanced Numerical Modelling", Liblice, Czech Republic, 28. - 30. Mai 2008

Pospisil, S.; Kral, J.; Naprstek, J.; Höffer, R.; Lachmann, S.:
"Numerical and experimental solution of non-linear aeroelastic response of a bridge girder"
in: XIth Bilateral Czech/German Symposium "New Trends in Experimental Methods together with Advanced Numerical Modelling", Liblice, Czech Republic, 28. - 30. Mai 2008

von Backström, Th.W.; Harte, R.; Höffer, R.; Krätzig, W.B.; Kröger, D.G.; Niemann, H.-J.; van Zijl, G.P.A.G.:
"State and Recent Advances in Research and Design of Solar Chimney Power Plant Technology"
in: VGB Power Tech, Volume 88, S. 64-71, ISSN 1435-3199, 7/2008

Wevers, C.; Franke, J.; Höffer, R.:
"Validierung von CFD-Simulationsprogrammen anhand der VDI Richtlinie 3783"
in: Bauingenieur, Band 83, S2 - S5, Oktober 2008

Wevers, C.; Franke, J.; Höffer, R.:
"Numerical full scale simulations of turbulent wind fields around cubic bodies in solitary and group arrangements"
in: XIth Bilateral Czech/German Symposium "New Trends in Experimental Methods together with Advanced Numerical Modelling", Liblice, Czech Republic, 28. - 30. Mai 2008

Wevers, C.; Franke, J.; Höffer, R.:
"Validierung von CFD-Simulationsprogrammen anhand der VDI Richtlinie 3783"
in: Bauingenieur, Band 83. S.2 – S.5, Oktober 2008.

2007


Höffer, R.; Schmid, G.:
"Akademische Netzwerkbildung deutscher Bauingenieurfakultäten mit Universitäten im ehemaligen Jugoslawien"
in: Festschrift Professor Stangenberg, 25 Jahre in Forschung, Lehre und Praxis, S. 321 ff., Ruhr-Universität Bochum, Dezember 2007

Höffer, R.:
"Wind-induced random vibration of structures"
in: Wind effects on buildings and design of wind-sensitive structures, CISM, The Fiszdon-Session, Udine 18th-22th September 2006, S. 106-135,ISBN 978-3-211-73075-1 , Springer Wien-New York, 2007

Höffer, R., Bogunovic-Jakobsen, J., Lachmann, S.:
"Accuracy and equivalency of the aeroelastic modeling of bridge girder oscillations in time and frequency domains"
in: 12th International Conference on Wind Engineering, Conference Preprints - Volume 1, S. 215 ff., Cairns, Australia, Juli 2007

Höffer, R.:
"Wind-induced random vibration of structures"
in: Stathopoulos, T., Baniotopoulos, C.C. (eds.): Wind effects on buildings and design of wind-sensitive structures, CISM, The Fiszdon-Session, Udine 18th-22nd September 2006, S. 106-135, ISBN 978-3-211-73075-1, Springer Wien-New York, 2007.

Höffer, R.; Niemann, H.-J.:
"The European Loading Codes: Backround and Regulations"
Invited lecture, 12th International symposium of the Macedonian Association of Structural Engineers, Struga, Mazedonien, 27th-29th September 2007, Proceedings, Volume 1, S. 115 ff., ISBN 9989-9785-1-7, 2007

Hölscher, N., Niemann, H.-J., Höffer, R.:
"Windeinwirkungen auf Bauwerke im Bauzustand"
in: Praktische Anwendungen in der Windingenieurtechnik, 10. Dreiländertagung D-A-CH 2007, Windtechnologische Gesellschaft e.V., Braunschweig, 8.-9.11.2007, ISBN 3-928909-09-6

Niemann, H.-J.; Höffer, R.:
"Auslegungsfragen zur DIN 1055-4:2005-03"
in: Bauingenieur, Band 82, S2-S6, Oktober 2007

Niemann, H.-J.; Hölscher, N.; Höffer, R.:
"Consideration of directional effects in the design of cooling towers"
in: Recent Developments in Structural Engineering, Mechanics and Computation, Cape Town, South Africa, 10th-12th September 2007, S. 321-322,ISBN 978-90-5966-054-0 , Millpress Rotterdam, 2007

Niemann, H.-J.; Höffer, R.:
"Wind loading for the design of the solar tower"
in: Recent Developments in Structural Engineering, Mechanics and Computation, Cape Town, South Africa, 10th-12th September 2007, S. 333-334,ISBN 978-90-5966-054-0 , Millpress Rotterdam, 2007

von Backström, Th.W.; Harte, R.; Höffer, R.; Krätzig, W.B.; Kröger, D.G.; Niemann, H.-J.; van Zijl, G.P.A.G.:
"State and Recent Advances in Research and Design of Solar Chimney Power Plant Technology"
in: VGB Power Tech, Volume 88, S.64.-71, ISSN 1435-3199, 7/2008

Wevers, C.:
"Introduction to Computational Fluid Dynamics (CFD) Validation of CFD-Simulation Codes - German VDI Guidline 3793"
in: Workshop for Young Engineers, Belgrad, Serbien, 12.-13. Oktober 2007


2006


Lachmann, S.; Höffer, R.:
"Direct determination of critical velocities for bridge flutter"
in: Xth Bilateral German/Czech Symposium "Advances in Measurements Techniques and Experimental Methods in Engineering Research and Practice", 2nd - 5th May 2006, Gummersbach-Niederseßmar, Theodor-Heuss-Akademie, 2006

Höffer, R., Hubert, W.:
"Academic Reconstruction and Internationalisation in higher engineering education in South Eastern Europe"
Journal of Engineering Education and Technology, 62/2006;
ISSN 1409-5564, UDC 62, S. 34 ff, Jahrgang 2006, Skopje

Höffer, R., Pojani, N. (eds.):
"Workshop for Harmonizing in Teaching - Workshop for Young Engineers"
DAAD-DYNET-Project, Vlora, Albanien, January 29 - 31

Höffer, R.:
"Sustainable academic reconstruction of higher engineering education in South Eastern Europe"
in: Proceedings of the Vlora Workshops - for Young Engineers – for Harmonizing in Teaching, January 29-31, Vlora, Albania

2005


Höffer, R.:
"DYNET – An Education Programme within the framework of the Stability Pact for South Eastern Europe"
in: International Research Programmes for Postgraduates. Seminar organized by DYNET/SEEFORM, Ruhr University Bochum, Faculty of Civil Engineering, Bochum, December 15th

Höffer, R., Hubert, W., Schmid, G.:
"DYNET – An Education Programme within the framework of the Stability Pact for South Eastern Europe"
Proceedings of the SEFI Conference 2005 “Engineering Education at the Cross-Roads of Civilizations”, Middle East Technical University – Faculty of Engineering, Ankara

Höffer, R., Hölscher, N., Setzpfandt, G.:
"Windeinwirkungen für Entwurf und Nachweisführung von Seilbrücken"
in: 9. Dreiländertagung D-A-CH , WTG-Berichte Nr. 9 ‚ Fortschritte im Windingenieurwesen’, Luzern

Sahlmen, J., Höffer, R.:
"Vortex excitation of bridge hangers"
Proc. of Structural Dynamics EURODYN 2005, pp. 415, September 4-7, 2005, Paris, ISBN 90-5966-034-X

Höffer, R., Niemann, H.-J.:
"Reduction of Storm Risks: Background and Regulations of the European Wind Loading Code"
International Conference on Earthquake Engineering EE-21C, August 27th - September 1st, 2005, Ohrid-Skopje

Höffer, R., Niemann, H.-J., Hölscher, N.:
"Consideration of the effect of wind direction in structural design"
in: Safety and Reliability of Engineering Systems and Structures. Proceedings of ICOSSAR 2005, June 19-23, Rom, ISBN 90-5966-040-4

Höffer, R., Niemann, H.-J., Hölscher, N., Hubert, W.:
"Sturmsicherheit: Den Spielraum immer wieder ausloten"
RUBIN 2/05, pp.14-24

Höffer, R., Hölscher, N., Hortmanns, M., Niemann, H.-J., Sedlacek, G.:
"Stahlbau Spezial ‘Arenen im 21. Jahrhundert – Leistungsschau des Stadionbaus"
Verlag Ernst & Sohn, Berlin

2004


Höffer, R., Facchini, L., Mann, J, Naprsteck, J., Pospisil, S.:
"Analytical and numerical methods-Scientific outcome of the 4th WG of COST action C14"
Proc. of the International Conference on Urban Wind Engineering and Building
Aerodynamics, pp. A. 4.1-A.4.10, Brussels, Belgien, 5-7 May 2004

2002


Höffer, R., Goliger, A., Niemann, H.-J.:
"Vorsorge gegen Sturmschäden an Infrastruktureinrichtungen"
Die Gefahrentage des DKKV Leipzig 2001 / Potsdam 2002, 2. Forum Katastrophenvorsorge in Leipzig am 25.09.2001, Schriftenreihe des DKKV 27, S. 9 ff., Deutsches Komitee für Katastrophenvorsorge e.V. (DKKV), Bonn, ISBN 3-933181-30-5

2000


Höffer, R.; Zahlten, W.:
"The use of nonstationary flow forces for the FE-simulation of bridge flutter"
in: Preprints of the 4th Int. Colloquium on Bluff Blody Aerodynamics & Applications, Ruhr-Universität Bochum, 2000

Borri, C.; Höffer, R.:
"Aeroelastic wind forces on flexible bridge girders"
in: MECCANICA, vol.35, 1-15, 2000

Faber, O.; Niemann, H.-J.; Weber, H.; Hartmann, D.:
"MCS-based Estimation of the Time-dependent Reliability of Vibrating Structures due to Intermittent Continuous Random Loading"
in: MCS 2000, International Conference on MonteCarlo Simulation, 2000, Proceedings

Weber, H.; Hartmann, D.; Lenzen, A.; Faber, O.; Niemann, H.-J.:
"A new approach for the optimization of dynamically loaded Structures with Respect to Reliability"
in: Festschrift Prof. Basar, 2000, Ruhr-Universität Bochum, Institut für Konstruktiven Ingenieurbau.

Weber, H.; Hartmann, D.; Faber, O.; Niemann, H.-J.:
"Process Analysis and Reliability Estimation for Structural Optimization"
in: PMC 2000, 8th ASCE Joint Specialty Conference on Probabilistic Mechanics and Structural Reliability, Notre Dame 2000, Proceedings

Hartmann, D.; Weber, H.; Faber, O.; Niemann, H.-J.:
"Lifespan-Oriented Design Concepts of Steel Structures with Respect to Random Load- Response Processes"
in: ICCCBE-VIII, 8th International Conference on Computing in Civil and Building
Engineering, Stanford 2000, pp. 964-971, Proceedings, ISBN 0-7844-0513-1

Weber, H.; Hartmann, D.; Lenzen, A.; Faber, O.; Niemann, H.-J.:
"Stochastic Structural Optimization for Dynamic Load Processes"
in: 4th GAMM/IFIP-Workshop on STOCHASTIC OPTIMIZATION: Numerical Methods and Technical Applications, Springer-Verlag 2000, to be published

Weber, H.; Hartmann, D.; Lenzen, A.; Faber, O.; Niemann, H.-J.:
"Modellierung von mehrfach korrelierten Lasteinwirkungen zur Schwachstellenprognose in der Tragwerksplanung und -überwachung"
in: Dynamische Probleme - Modellierung und Wirklichkeit, Schriftenreihe Curt-Risch-Institut, Hannover 2000, Proceedings

1999
Höffer, R.

G. Augusti,H.- J. Niemann (eds.):
"Aeroelastic Phenomena: Analytical and Experimental Results"
in: Wind-Resistant Design of Structures: Codified and Advanced Methods, , CISM-International Centre for Mechanical Science, Courses and Lectures

Niemann, H.-J.; Kasperski, M.; Sahlmen, J.:
"Kühltürme an der Schwelle der Jahrtausendwende"
Vortragsband der 6. Dreiländertagung D-A-CH'99 "Entwicklungsstand in Forschung und Praxis auf den Gebieten Erdbebeningenieurwesen, Baudynamik und Windtechnologie" der Windtechnologischen Gesellschaft

Höffer, R., Hölscher, N., Niemann, H.-J.:
"Beanspruchung und globale Sicherheit von Hängebrücken in böigem Wind"
Vortragsband der 6. Dreiländertagung D-A-CH'99 "Entwicklungsstand in Forschung und Praxis auf den Gebieten Erdbebeningenieurwesen, Baudynamik und Windtechnologie" der Windtechnologischen Gesellschaft

Faber, O.; Hartmann, D.; Niemann, H.-J.; Weber, H.:
"Analysis of loading and damage processes and reliability estimation for lifespan-oriented structural optimization"
Proc. ESREL'99 "European Safety and Reliabilty Conference", TUM Munich, September 1999

Niemann, H.-J.; Kasperski, M.; Sahlmen, J.:
"Prediction of lifetime of slender structures under cross-wind vibration in turbulent flow"
Proc. ESREL'99 "European Safety and Reliabilty Conference",
TUM Munich, September 1999