Jon Juel Thomsen

Assoc. prof., PhD, dr.techn.

  • Nils Koppels Allé, 404, 122

    2800 Kgs. Lyngby

    Denmark

1990 …2020
If you made any changes in Pure these will be visible here soon.

Research Output 1990 2020

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

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
8 Downloads (Pure)

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

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

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

Thomsen, J. J. & Fuglede, N., 2019, (Accepted/In press) In : Nonlinear Dynamics.

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

12 Downloads (Pure)

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
2018
62 Downloads (Pure)

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

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

1 Downloads (Pure)

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

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

21 Downloads (Pure)

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

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
73 Downloads (Pure)

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
494 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
101 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
2016
176 Downloads (Pure)

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
193 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
379 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
1833 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
312 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
2015
108 Downloads (Pure)

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
565 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
216 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
236 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
129 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
212 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
6243 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
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

274 Downloads (Pure)

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

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

386 Downloads (Pure)

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

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

95 Downloads (Pure)

Macromechanical parametric amplification

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

Research output: Contribution to conferencePosterResearch

File
184 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
391 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
2012
1 Downloads (Pure)

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

82 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
481 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
2011
250 Downloads (Pure)

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
220 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

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

116 Downloads (Pure)

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
76 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

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

380 Downloads (Pure)

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