Jon Juel Thomsen

Assoc. prof., PhD, dr.techn.

  • Nils Koppels Allé, 404, 122

    2800 Kgs. Lyngby

    Denmark

1990 …2020

Research output per year

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Research Output

2020

Analysis of Transient Vibrations for Estimating Bolted Joint Tightness

Brøns, M., Thomsen, J. J., Sah, S. M., Tcherniak, D. & Fidlin, A., 2020, Nonlinear Structures and Systems: Conference Proceedings of the Society for Experimental Mechanics Series. Brake, M. R. W. & Renson, L. (eds.). Springer, p. 21-24 (Conference Proceedings of the Society for Experimental Mechanics Series, Vol. 1).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Perturbation-based prediction of vibration phase shift along fluid-conveying pipes due to Coriolis forces, nonuniformity, and nonlinearity

Thomsen, J. J. & Fuglede, N., 2020, In : Nonlinear Dynamics. 99, p. 173–199

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
12 Downloads (Pure)

Transverse vibrations of tightened bolts: Simplified modeling of tension-dependent boundary stiffness and damping

Sah, S. M., Thomsen, J. J. & Fidlin, A., 2020, In : Engineering Structures. 205, 110049.

Research output: Contribution to journalJournal articleResearchpeer-review

2019

Estimating bolt tightness from measured vibrations: Effective linearity of nonlinear boundary stiffness

Sah, S. M., Thomsen, J. J. & Fidlin, A., 2019. 2 p.

Research output: Contribution to conferenceConference abstract for conferenceResearch

Open Access
File
18 Downloads (Pure)

Experimental testing of Timoshenko predictions of supercritical natural frequencies and mode shapes for free-free beams

Brøns, M. & Thomsen, J. J., 2019, In : Journal of Sound and Vibration. 459, 14 p., 114856.

Research output: Contribution to journalJournal articleResearchpeer-review

Frequency detuning effects for a parametric amplifier

Neumeyer, S., Sorokin, V. S., van Gastel, M. H. M. & Thomsen, J. J., 2019, In : Journal of Sound and Vibration. 445, p. 77-87

Research output: Contribution to journalJournal articleResearchpeer-review

Transverse vibrations induced by longitudinal excitation in beams with geometrical and loading imperfections

Sah, S. M., Thomsen, J. J. & Tcherniak, D., 2019, In : Journal of Sound and Vibration. 444, p. 152-160

Research output: Contribution to journalJournal articleResearchpeer-review

Unilateral Vibro-Impact Systems—Experimental Observations against Theoretical Predictions based on the Coefficient of Restitution

de S. Reboucas, G. F., Santos, I. & Thomsen, J. J., 2019, In : Journal of Sound and Vibration. 440, p. 346-371

Research output: Contribution to journalJournal articleResearchpeer-review

Vibration-based estimation of bolt tension – coping with unknown boundaries

Brøns, M. & Thomsen, J. J., 2019. 3 p.

Research output: Contribution to conferenceConference abstract for conferenceResearch

Open Access
File
26 Downloads (Pure)
2018

Estimating bolt tightness from measured vibrations: Influence of boundary nonlinearity

Sah, S. M., Thomsen, J. J., Brøns, M., Fidlin, A. & Tcherniak, D., 2018. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access
File
76 Downloads (Pure)

Estimating bolt tightness from measured vibrations: Influence of nonlinear boundary stiffness and damping

Sah, S. M., Thomsen, J. J., Brøns, M., Fidlin, A. & Tcherniak, D., 2018. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Estimating bolt tightness using transverse natural frequencies

Sah, S. M., Thomsen, J. J., Brøns, M., Fidlin, A. & Tcherniak, D., 2018, In : Journal of Sound and Vibration. 431, p. 137-149

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
8 Downloads (Pure)

Modal impact testing for estimating bolted joint tightness

Brøns, M., Thomsen, J. J., Fidlin, A., Tcherniak, D. & Sah, S. M., 2018, Proceedings of the International Conference on Noise and Vibration Engineering (ISMA2018). Katholieke Universiteit Leuven, p. 1769-1776

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

On the feasibility of utilizing vibrations for bolted joint assessment

Tcherniak, D. & Thomsen, J. J., 2018. 10 p.

Research output: Contribution to conferencePaperResearchpeer-review

Validation of Vibro-Impact Force Models by Numerical Simulation, Perturbation Methods and Experiments

de Souza Reboucas, G. F., Santos, I. F. & Thomsen, J. J., 2018, In : Journal of Sound and Vibration. 413, p. 291–307

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
60 Downloads (Pure)

Vibration-based estimation of beam boundary parameters

Hermansen, M. B. & Thomsen, J. J., 2018, In : Journal of Sound and Vibration. 429, p. 287-304

Research output: Contribution to journalJournal articleResearchpeer-review

2017

Experimental validation of vibro-impact force models using numeric simulation and perturbation methods

de Souza Reboucas, G. F., Santos, I. & Thomsen, J. J., 2017, Proceedings of the 9th European Nonlinear Dynamics Conference. Stépán, G. & Csernák, G. (eds.). CongressLine Ltd., p. 2

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
89 Downloads (Pure)

Vibration-based testing of bolted joints

Thomsen, J. J., Sah, S. M., Fidlin, A. & Tcherniak, D., 2017, Proceedings of the 9th European Nonlinear Dynamics Conference. Stépán, G. & Csernák, G. (eds.). CongressLine Ltd., p. 2

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
585 Downloads (Pure)

Wave propagation in axially moving periodic strings

Sorokin, V. S. & Thomsen, J. J., 2017, In : Journal of Sound and Vibration. 393, p. 133-144

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
155 Downloads (Pure)
2016

Effects of quadratic and cubic nonlinearities on a perfectly tuned parametric amplifier

Neumeyer, S., Sorokin, V. & Thomsen, J. J., 2016, In : Journal of Sound and Vibration. 386, p. 327–335

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
288 Downloads (Pure)

Effects of weak nonlinearity on the dispersion relation and frequency band-gaps of a periodic Bernoulli–Euler beam

Sorokin, V. S. & Thomsen, J. J., 2016, In : Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 472, 2186, 22 p., 20150751.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
275 Downloads (Pure)

Kinematic and dynamic modeling and approximate analysis of a roller chain drive

Fuglede, N. & Thomsen, J. J., 2016, In : Journal of Sound and Vibration. 366, p. 447-470

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
526 Downloads (Pure)

Kinematics of roller chain drives - Exact and approximate analysis

Fuglede, N. & Thomsen, J. J., 2016, In : Mechanism and Machine Theory. 100, p. 17-32

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
2030 Downloads (Pure)

Scanning laser Doppler vibrometry

Brøns, M. & Thomsen, J. J., 2016. 3 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access
File
336 Downloads (Pure)
2015

Effects of weak nonlinearity on dispersion relations and frequency band-gaps of periodic structures

Sorokin, V. & Thomsen, J. J., 2015, Proceedings of 22nd International Congress on Sound and Vibration: Major challenges in Acoustics, Noise and Vibration Research, 2015. Crocker, M. J., Pawelczyk, M., Pedrielli, F., Carletti, E. & Luzzi, S. (eds.). The International Institute of Acoustics and Vibration (IIAV), 7 p. 989 (I)

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
123 Downloads (Pure)

Eigenfrequencies and eigenmodes of a beam with periodically continuously varying spatial properties

Sorokin, V. S. & Thomsen, J. J., 2015, In : Journal of Sound and Vibration. 347, p. 14-26

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
816 Downloads (Pure)

Experimental bifurcation analysis—Continuation for noise-contaminated zero problems

Schilder, F., Bureau, E., Santos, I. F., Thomsen, J. J. & Starke, J., 2015, In : Journal of Sound and Vibration. 358, p. 251-266

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
283 Downloads (Pure)

Frequency detuning effects for parametrically and directly excited elastic structures

Neumeyer, S., van Gastel, M. H. M., Sorokin, V. & Thomsen, J. J., 2015, Proceedings of the 5th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering. Papadrakakis, M., Papadopoulos, V. & Plevris, V. (eds.). European Community on Computational Methods in Applied Sciences, Vol. 1. p. 3029-3035

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
272 Downloads (Pure)

The method of varying amplitudes for solving (non)linear problems involving strong parametric excitation

Sorokin, V. & Thomsen, J. J., 2015, Proceedings of the IUTAM Symposium on Analytical Methods in Nonlinear Dynamics. 2 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
144 Downloads (Pure)

Vibration suppression for strings with distributed loading using spatial cross-section modulation

Sorokin, V. & Thomsen, J. J., 2015, In : Journal of Sound and Vibration. 335, p. 66–77

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
267 Downloads (Pure)

Weakly nonlinear dispersion and stop-band effects for periodic structures

Sorokin, V. & Thomsen, J. J., 2015. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

File
6254 Downloads (Pure)
2014

Bifurcation analysis of a smoothed model of a forced impacting beam and comparison with an experiment

Elmegård, M., Krauskopf, B., Osinga, H. M., Starke, J. & Thomsen, J. J., 2014, In : Nonlinear Dynamics. 77, p. 951–966

Research output: Contribution to journalJournal articleResearchpeer-review

CONTINEX: A Toolbox for Continuation in Experiments

Schilder, F., Bureau, E., Santos, I., Thomsen, J. J. & Starke, J., 2014, Proceedings of the 8th European Nonlinear Dynamics Conference (ENOC 2014). Technische Universität Wien, 2 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
298 Downloads (Pure)

Experimental bifurcation analysis of an impact oscillator – Determining stability

Bureau, E., Schilder, F., Elmegård, M., Santos, I., Thomsen, J. J. & Starke, J., 2014, In : Journal of Sound and Vibration. 333, 21, p. 5464–5474

Research output: Contribution to journalJournal articleResearchpeer-review

Experiments in nonlinear dynamics using control-based continuation: Tracking stable and unstable response curves

Bureau, E., Schilder, F., Santos, I., Thomsen, J. J. & Starke, J., 2014, Proceedings of the 8th European Nonlinear Dynamics Conference (ENOC 2014). Technische Universität Wien, 2 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
404 Downloads (Pure)

Jumps and bi-stability in the phase-gain characteristics of a nonlinear parametric amplifier

Neumeyer, S., van de Looij, R. & Thomsen, J. J., 2014, ENOC 2014 - Proceedings of 8th European Nonlinear Dynamics Conference. Ecker, H., Steindl, A. & Jakubek, S. (eds.). Vienna University of Technology, 2 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2013

Experimental bifurcation analysis of an impact oscillator - Tuning a non-invasive control scheme

Bureau, E., Schilder, F., Santos, I., Thomsen, J. J. & Starke, J., 2013, In : Journal of Sound and Vibration. 332, 22, p. 5883–5897

Research output: Contribution to journalJournal articleResearchpeer-review

Macromechanical parametric amplification

Neumeyer, S. & Thomsen, J. J., 2013. 1 p.

Research output: Contribution to conferencePosterResearch

File
98 Downloads (Pure)

Macromechanical parametric amplification with a base-excited doubly clamped beam

Neumeyer, S. & Thomsen, J. J., 2013, 11th International Conference on Vibration Problems. Dimitrovova, Z. (ed.). 8 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
207 Downloads (Pure)

Roller chain drive vibration analysis based on a string model with boundaries moving non-smoothly

Fuglede, N. & Thomsen, J. J., 2013. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

File
416 Downloads (Pure)
2012

Experimental Bifurcation Analysis By Control-based Continuation - Determining Stability’

Bureau, E., Santos, I., Thomsen, J. J., Schilder, F. & Starke, J., 2012, Proceedings of the ASME 2012 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference. American Society of Mechanical Engineers, p. DETC2012-70616 8 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

1 Downloads (Pure)

Macroscale mechanical domain parametric amplification: superthreshold pumping and optimal excitation parameters

Neumeyer, S. & Thomsen, J. J., 2012, EUROMECH Colloquium 532 : 1st International Colloquium on Time periodic systems (TPS). Current trends in theory and application. Technische Universität Darmstadt, 4 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
90 Downloads (Pure)

Vibrations of axially moving strings with in-plane oscillating supports

Fuglede, N. & Thomsen, J. J., 2012. 4 p.

Research output: Contribution to conferenceConference abstract for conferenceResearch

File
500 Downloads (Pure)
2011

Experimental bifurcation analysis for a driven nonlinear flexible pendulum using control-based continuation

Bureau, E., Schilder, F., Santos, I., Thomsen, J. J. & Starke, J., 2011, 7th European Nonlinear Dynamics Conference.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
258 Downloads (Pure)

Experimental bifurcation by using control-based continuation

Bureau, E., Santos, I., Thomsen, J. J., Starke, J., Schilder, F. & Elmegård, M., 2011

Research output: Non-textual formSound/Visual production (digital)Research

Open Access
File
230 Downloads (Pure)

Experimental investigation of zero phase shift effects for Coriolis flowmeters due to pipe imperfections

Enz, S., Thomsen, J. J. & Neumeyer, S., 2011, In : Flow Measurement and Instrumentation. 22, 1, p. 1-9

Research output: Contribution to journalJournal articleResearchpeer-review

Guiding Simulations and Experiments using Continuation

Bureau, E., Schilder, F., Avrutin, V., Starke, J., Santos, I. & Thomsen, J. J., 2011

Research output: Non-textual formSound/Visual production (digital)Research

Open Access
File
126 Downloads (Pure)

Low-dimensional approximations for Finite Element Models of mechanical systems

Elmegaard, M., Starke, J., Schilder, F. & Thomsen, J. J., 2011, 7th European Nonlinear Dynamics Conference.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
82 Downloads (Pure)

Predicting phase shift effects for vibrating fluid-conveying pipes due to Coriolis forces and fluid pulsation

Enz, S. & Thomsen, J. J., 2011, In : Journal of Sound and Vibration. 330, 21, p. 5096-5113

Research output: Contribution to journalJournal articleResearchpeer-review

Roller chain drive analysis: simplified modeling and analysis of the dynamic effects of meshing

Fuglede, N. & Thomsen, J. J., 2011, 7th European Nonlinear Dynamics Conference.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
402 Downloads (Pure)