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302 Publications


2005 | Journal Article | LibreCat-ID: 9526
A. Genzo, W. Sextro, and K. Popp, “Analysis of the Forced Vibration of Two Bolted Half-Pipes with Extended Friction Contacts,” PAMM, vol. 5, no. 1, pp. 91–92, 2005.
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2005 | Conference Paper | LibreCat-ID: 9527
T. Hemsel, “Modellgestützte Analyse piezoelektrischer Transformatoren,” in Mechatronik 2005 Innovative Produktentwicklung, 2005, vol. 1892, no. Band 2, pp. 1013–1032.
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2005 | Conference Paper | LibreCat-ID: 9528
T. Hemsel, M. Mracek, J. Twiefel, P. Vasiljev, and J. Wallaschek, “Linear ultrasonic motors based on coupling of longitudinal vibrations,” in Proceedings of the First International Conference on Ultrasonic Motors and Actuators (IWOUMA), 2005, pp. 32–36.
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2005 | Journal Article | LibreCat-ID: 9529
A. Hofmeister, W. Sextro, and O. Röschel, “Unkontrollierbare Bewegungen ebener Mechanismen mit Gelenkspiel,” PAMM, vol. 5, no. 1, pp. 201–202, 2005.
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2005 | Conference Paper | LibreCat-ID: 9530
M. Mracek, T. Hemsel, and J. Wallaschek, “Parallel Operation of Ultrasonic Linear Motors,” in Proceedings of the First International Conference on Ultrasonic Motors and Actuators (IWOUMA), 2005, pp. 23–24.
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2005 | Conference Paper | LibreCat-ID: 9531
J. Twiefel, T. Hemsel, C. Kauczor, and J. Wallaschek, “Teaching Mechatronics to a Mixed Audience from Industry and University,” in 6th International Workshop on Research and Education in Mechatronics, 2005, pp. 356–361.
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2004 | Conference Paper | LibreCat-ID: 8951
B. Fu, T. Hemsel, and J. Wallaschek, “Model-based Diagnosis for Sandwiched Ultrasonic Transducers,” in Proceedings of the 18th International Congress on Acoustics, ICA, 2004, pp. 4–9.
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2004 | Conference Paper | LibreCat-ID: 8952
F. Götting, W. Sextro, L. Panning, and K. Popp, “Systematic mistuning of bladed disk assemblies with friction contacts,” in Proceedings of ASME TURBO Expo, Power for Land, Sea, and Air, 2004, vol. 6, no. GT2004-53310, pp. 257–267.
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2004 | Conference Paper | LibreCat-ID: 8953
T. Hemsel, “Linear piezoelectric motors and their application,” in Proceedings of the First International Conference on Ultrasonic Motors and Actuators (IWOUMA), 2004.
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2004 | Conference Paper | LibreCat-ID: 9519
T. Hemsel, M. Mracek, J. Wallaschek, and P. Vasiljev, “A novel approach for high power ultrasonic linear motors,” in Ultrasonics Symposium, 2004 IEEE, 2004, vol. 2, no. Vol.2, pp. 1161–1164.
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2004 | Journal Article | LibreCat-ID: 9520
M. Lindner, W. Sextro, and K. Popp, “Hysteretic Friction of a Sliding Rubber Element,” PAMM, vol. 4, no. 1, pp. 101–102, 2004.
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2004 | Conference Paper | LibreCat-ID: 9521
W. Littmann, T. Hemsel, and J. Wallaschek, “Design criteria for piezoelectric transformers,” in Proceedings of the 18th International Congress on Acoustics, 2004, vol. 4, pp. 2889–2892.
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2004 | Conference Paper | LibreCat-ID: 9522
M. Mracek, J. Wallaschek, and T. Hemsel, “Self configuration of miniature ultrasonic linear motors,” in Proceedings of the 18th International Congress on Acoustics, 2004, pp. 417–420.
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2004 | Conference Paper | LibreCat-ID: 9523
L. Panning, K. Popp, W. Sextro, and F. Götting, “Asymmetrical Underplatform Dampers in Gas Turbine Bladings: Theory and Application,” in Proceedings of ASME TURBO Expo, Power for Land, Sea, and Air, 2004, vol. 6, no. GT2004-53316, pp. 269–280.
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2004 | Conference Paper | LibreCat-ID: 9524
B. Fu, T. Hemsel, and J. Wallaschek, “Model-based Diagnosis for Sandwiched Ultrasonic Transducers,” in Proceedings of the 18th International Congress on Acoustics, ICA, 2004, pp. 4–9.
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2003 | Conference Paper | LibreCat-ID: 8933
F. Götting, W. Sextro, L. Panning, and K. Popp, “Schwingungsverhalten von verstimmten Beschaufelungen mit Reibelementen,” in Schwingungen in rotierenden Maschinen VI SIRM, Referate der Tagung in Darmstadt, 2003, pp. 201–210.
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2003 | Journal Article | LibreCat-ID: 8934
A. Genzo, W. Sextro, and K. Popp, “Erzwungene Schwingungen von elastischen Mehrkörpersystemen mit Reibkontakten,” PAMM, vol. 2, no. 1, pp. 120–121, 2003.
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2003 | Conference Paper | LibreCat-ID: 8935
T. Hemsel and J. Wallaschek, “Modelling and Analysis of Piezoelectric Transformers,” in Proceedings of the 5th International Congress of Intelligent Materials (ICIM), 2003.
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2003 | Conference Paper | LibreCat-ID: 8936
W. Littmann, T. Hemsel, C. Kauczor, J. Wallaschek, and W. Sinha, “Load-adaptive phase-controller for resonant driven piezoelectric devices,” in Proceedings of World Congress Ultrasonics, 2003, pp. 547–550.
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2003 | Journal Article | LibreCat-ID: 8937
L. Panning, W. Sextro, and K. Popp, “Design of Friction Dampers for Mistuned Bladed Disks,” PAMM, vol. 3, no. 1, pp. 118–119, 2003.
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2003 | Journal Article | LibreCat-ID: 8938
L. Panning, W. Sextro, and K. Popp, “Spatial dynamics of tuned and mistuned bladed disks with cylindrical and wedge-shaped friction dampers,” International Journal of Rotating Machinery, vol. 9, no. 3, pp. 219–228, 2003.
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2003 | Journal Article | LibreCat-ID: 8939
K. Popp, L. Panning, and W. Sextro, “Vibration Damping by Friction Forces -Theory and Applications,” Journal of Vibration and Control, vol. 9, pp. 419–448, 2003.
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2003 | Conference Paper | LibreCat-ID: 8940
W. Sextro and K. Popp, “Optimierung des Schwingungsverhaltens elastischer Strukturen mit Reibfugen am Beispiel von Turbomaschinenschaufeln,” in Forschungsvereinigung Verbrennungskraftmaschinen (FW), 2003, no. 753, p. 40.
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2003 | Conference Paper | LibreCat-ID: 8941
J. Szwedowicz, W. Sextro, R. Visser, and P. . Masserey, “On forced vibration of shrouded turbine blades,” in ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference, 2003, no. GT2003-38808.
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2002 | Conference Paper | LibreCat-ID: 8926
T. Hemsel, W. Littmann, and J. Wallaschek, “Piezoelectric transformers - state of the art and development trends,” in Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE, 2002, vol. 1, no. vol.1, pp. 645–648.
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2002 | Conference Paper | LibreCat-ID: 8927
T. Hemsel, W. Littmann, and J. Wallaschek, “Piezoelektrische Transformatoren - Bauformen und Modellierung,” in 47. Internationales Wissenschaftliches Kolloquium, 2002.
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2002 | Conference Paper | LibreCat-ID: 8928
L. Panning, W. Sextro, and K. Popp, “Optimization of the Contact Geometry between Turbine Blades and Underplatform Dampers with respect to Friction Damping,” in Proceedings of ASME TURBO Expo, Power for Land, Sea, and Air, 2002, no. GT-2002-30429.
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2002 | Conference Paper | LibreCat-ID: 8929
L. Panning, W. Sextro, and K. Popp, “Spatial dynamics of tuned and mistuned bladed disks with cylindrical and wedge-shaped friction dampers,” in Proceedings of the 9th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, ISROMAC, 2002.
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2002 | Conference Paper | LibreCat-ID: 8931
W. Sextro, L. Panning, and F. Götting, “Fast Calculation of the Statistics of the Forced Response of Mistuned Bladed Disk Assemblies with Friction Contacts,” in Proceedings of ASME TURBO Expo, Power for Land, Sea, and Air, 2002, no. GT-2002-30427.
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2002 | Conference Paper | LibreCat-ID: 8932
W. Sextro and K. Popp, “Optimierung des Schwingungsverhaltens elastischer Strukturen mit Reibfugen,” in Forschungsvereinigung Verbrennungskraftmaschinen (FW) - lnformationstagung Turbinen, 2002, no. 518, pp. 157–183.
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2001 | Dissertation | LibreCat-ID: 8469
T. Hemsel, Untersuchung und Weiterentwicklung linearer piezoelektrischer Schwingungsantriebe, vol. 101. Paderborn: Verlagsschriftenreihe des Heinz Nixdorf Instituts, 2001.
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2001 | Conference Paper | LibreCat-ID: 8921
L. Panning, W. Sextro, and K. Popp, “Schwingungsanalyse verstimmter Schaufelkränze mit Reibelementen,” in Schwingungen in rotierenden Maschinen VI SIRM, Referate der Tagung in Wien, 2001, pp. 297–306.
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2001 | Journal Article | LibreCat-ID: 8922
W. Sextro, “Heat and Wear Generation for Rolling Contacts,” Zeitschrift für angewandte Mathematik und Mechanik (ZAMM), vol. 81, pp. 225–226, 2001.
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2001 | Conference Paper | LibreCat-ID: 8923
W. Sextro, “Development and Experimental Validation of a Point Contact Model for Dynamical Problems with Friction,” in ASME Design Engineering Technical Conferences, 2001, no. DETC2001/VIB-21512, pp. 1–12.
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2001 | Journal Article | LibreCat-ID: 8924
W. Sextro, K. Popp, and T. Krzyzynski, “Localization in Nonlinear Mistuned Systems with Cyclic Symmetry,” Nonlinear Dynamics, vol. 25, no. 1–3, pp. 207–220, 2001.
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2001 | Conference Paper | LibreCat-ID: 8925
J. Wallaschek and T. Hemsel, “Piezoelektrische lineare Schwingungsantriebe,” in Special Antriebstechnik, 2001, pp. 70–71.
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2000 | Journal Article | LibreCat-ID: 8914
T. Hemsel and J. Wallaschek, “Survey of the present state of the art of piezoelectric linear motors,” Ultrasonics, vol. 38, pp. 37–40, 2000.
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2000 | Conference Paper | LibreCat-ID: 8915
T. Hemsel and J. Wallaschek, “State of the art and development trends of ultrasonic linear motors,” in Ultrasonics Symposium, 2000 IEEE, 2000, vol. 1, pp. 663–666 vol.1.
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2000 | Conference Paper | LibreCat-ID: 8916
T. Hemsel and J. Wallaschek, “Piezoelectic linear motors,” in Tagungsband der ACTUATOR, 2000, pp. 250–253.
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2000 | Conference Paper | LibreCat-ID: 8917
T. Hemsel and J. Wallaschek, “Stand der Technik und Entwicklungsperspektiven linearer piezoelektrischer Schwingungsantriebe,” vol. 1533. D{\"u}sseldorf, pp. 147–166, 2000.
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2000 | Journal Article | LibreCat-ID: 8918
T. Krzyzynski, K. Popp, and W. Sextro, “On some regularities in dynamic response of cyclic periodic structures,” Chaos, Solitons \& Fractals, vol. 11, no. 10, pp. 1597–1609, 2000.
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2000 | Conference Paper | LibreCat-ID: 8919
L. Panning, W. Sextro, and K. Popp, “Optimization of Interblade Friction Damper,” in International Gas Turbine \& Aeroengine Congress \& Exhibition, ASME, 2000, pp. 1–8.
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2000 | Conference Paper | LibreCat-ID: 8920
W. Sextro, “The Calculation of the Forced Response of Shrouded Blades with Friction Contacts and Its Experimental Verification,” in International Gas Turbine \& Aeroengine Congress \& Exhibition, ASME, 2000, pp. 1–8.
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1999 | Conference Paper | LibreCat-ID: 8909
K. Popp and W. Sextro, “Schwingungsanalyse von vorgespannten Schaufeln mit Deckplatten im Schaufelkranz,” in Forschungsvereinigung Verbrennungskraftmaschinen (FW) -lnformationstagung Turbinen, 1999, no. 504, pp. 21–38.
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1999 | Conference Paper | LibreCat-ID: 8910
W. Sextro, “Experimental verification of a non-Hertzian contact model,” in International conference on computational methods in contact mechanics, 1999, pp. 181–190.
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1999 | Conference Paper | LibreCat-ID: 8911
W. Sextro, “Forced Vibration of Elastic Structures with Friction Contacts,” in ASME Design Engineering Technical Conferences, 1999, no. DETC99/VIB-8180, pp. 1–10.
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1999 | Journal Article | LibreCat-ID: 8912
W. Sextro and K. Popp, “Ein ebenes Reibkontaktmodell zur Berechnung von Schaufelschwingungen mit Reibelementen,” Zeitschrift für angewandte Mathematik und Mechanik (ZAMM), vol. 79, pp. 311–312, 1999.
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1999 | Conference Paper | LibreCat-ID: 8913
W. Sextro and K. Popp, “Schwingungsanalyse von vorgespannten Schaufeln mit Deckplatten im Schaufelkranz,” in Forschungsvereinigung Verbrennungskraftmaschinen (FW), 1999, no. 686, p. 56.
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1998 | Conference Paper | LibreCat-ID: 8905
T. Hemsel, J. Krome, W. Littmann, and J. Wallaschek, “Modellierung piezoelektrischer Stapel- und Vielschichtaktoren für dynamischen Betrieb,” in Proceedings 2. Polnisch-Deutscher Workshop “Werkzeuge der Mechatronik,” 1998.
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1998 | Conference Paper | LibreCat-ID: 8906
T. Hemsel and J. Wallaschek, “A piezoelectric linear vibration drive for high driving forces,” in Proceedings of VIBROENGINEERING, 1998, no. 1, pp. 7–12.
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