Imperial College London
Portrait Picture

DrLudovicRenson

Faculty of Engineering, Department of Mechanical Engineering

Senior Lecturer
 
 
 
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Contact

 

+44 (0)20 7594 7088l.renson

 
 
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Location

 

558City and Guilds BuildingSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

65 results found

Sadati SMH, Shiva A, Renson L, Rucker C, Althoefer K, Nanayakkara T, Bergeles C, Hauser H, Walker IDet al., 2019, Reduced Order vs. Discretized Lumped System Models with Absolute and Relative States for Continuum Manipulators, 15th Conference on Robotics - Science and Systems, Publisher: MIT PRESS

Conference paper

Song M, Renson L, Noel J-P, Moaveni B, Kerschen Get al., 2018, Bayesian model updating of nonlinear systems using nonlinear normal modes, STRUCTURAL CONTROL & HEALTH MONITORING, Vol: 25, ISSN: 1545-2255

Journal article

Renson L, Hill TL, Ehrhardt DA, Barton DAW, Neild SAet al., 2018, Force appropriation of nonlinear structures, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol: 474, Pages: 1-23, ISSN: 1364-5021

Journal article

Sombroek CSM, Tiso P, Renson L, Kerschen Get al., 2018, Numerical computation of nonlinear normal modes in a modal derivative subspace, COMPUTERS & STRUCTURES, Vol: 195, Pages: 34-46, ISSN: 0045-7949

Journal article

Renson L, Barton DAW, Neild SA, 2017, Experimental Tracking of Limit-Point Bifurcations and Backbone Curves Using Control-Based Continuation, INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, Vol: 27, ISSN: 0218-1274

Journal article

Detroux T, Renson L, Masset L, Kerschen Get al., 2017, The Harmonic Balance Method for Bifurcation Analysis of Nonlinear Mechanical Systems, 33rd IMAC Conference and Exposition on Structural Dynamics, Publisher: SPRINGER INTERNATIONAL PUBLISHING AG, Pages: 65-82, ISSN: 2191-5644

Conference paper

Renson L, Noel JP, Barton DAW, Neild SA, Kerschen Get al., 2017, Nonlinear Phase Separation Testing of an Experimental Wing-Engine Structure, 35th IMAC Conference and Exposition on Structural Dynamics, Publisher: SPRINGER, Pages: 115-117, ISSN: 2191-5644

Conference paper

Noel JP, Renson L, Grappasonni C, Kerschen Get al., 2017, Experimental Modal Analysis of Nonlinear Structures Using Broadband Data, 33rd IMAC Conference and Exposition on Structural Dynamics, Publisher: SPRINGER INTERNATIONAL PUBLISHING AG, Pages: 219-240, ISSN: 2191-5644

Conference paper

Sombroek C, Renson L, Tiso P, Kerschen Get al., 2017, Bridging the Gap Between Nonlinear Normal Modes and Modal Derivatives, 33rd IMAC Conference and Exposition on Structural Dynamics, Publisher: SPRINGER INTERNATIONAL PUBLISHING AG, Pages: 349-361, ISSN: 2191-5644

Conference paper

Cirillo GI, Mauroy A, Renson L, Kerschen G, Sepulchre Ret al., 2016, A spectral characterization of nonlinear normal modes, JOURNAL OF SOUND AND VIBRATION, Vol: 377, Pages: 284-301, ISSN: 0022-460X

Journal article

Noel J-P, Renson L, Grappasonni C, Kerschen Get al., 2016, Identification of nonlinear normal modes of engineering structures under broadband forcing, MECHANICAL SYSTEMS AND SIGNAL PROCESSING, Vol: 74, Pages: 95-110, ISSN: 0888-3270

Journal article

Renson L, Gonzalez-Buelga A, Barton DAW, Neild SAet al., 2016, Robust identification of backbone curves using control-based continuation, JOURNAL OF SOUND AND VIBRATION, Vol: 367, Pages: 145-158, ISSN: 0022-460X

Journal article

Renson L, Kerschen G, Cochelin B, 2016, Numerical computation of nonlinear normal modes in mechanical engineering, JOURNAL OF SOUND AND VIBRATION, Vol: 364, Pages: 177-206, ISSN: 0022-460X

Journal article

Renson L, Barton DAW, Neild SA, 2016, Experimental Analysis of a Softening-Hardening Nonlinear Oscillator Using Control-Based Continuation, 34th IMAC Conference and Exposition on Structural Dynamics, Publisher: SPRINGER, Pages: 19-27, ISSN: 2191-5644

Conference paper

Detroux T, Renson L, Masset L, Noel JP, Kerschen Get al., 2016, BIFURCATION ANALYSIS OF A SPACECRAFT STRUCTURE USING THE HARMONIC BALANCE METHOD, ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Publisher: AMER SOC MECHANICAL ENGINEERS

Conference paper

Renson L, Ehrhardt DA, Barton DAW, Neild SA, Cooper JEet al., 2016, Connecting nonlinear normal modes to the forced response of a geometric nonlinear structure with closely spaced modes, International Conference on Noise and Vibration Engineering (ISMA) / International Conference on Uncertainty in Structural Dynamics (USD), Publisher: KATHOLIEKE UNIV LEUVEN, DEPT WERKTUIGKUNDE, Pages: 2775-2784

Conference paper

Cirillo GI, Mauroy A, Renson L, Kerschen G, Sepulchre Ret al., 2016, GLOBAL PARAMETRIZATION OF THE INVARIANT MANIFOLD DEFINING NONLINEAR NORMAL MODES USING THE KOOPMAN OPERATOR, ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Publisher: AMER SOC MECHANICAL ENGINEERS

Conference paper

Kuether RJ, Renson L, Detroux T, Grappasonni C, Kerschen G, Allen MSet al., 2016, PREDICTION OF ISOLATED RESONANCE CURVES USING NONLINEAR NORMAL MODES, ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Publisher: AMER SOC MECHANICAL ENGINEERS

Conference paper

Detroux T, Renson L, Masset L, Kerschen Get al., 2015, The harmonic balance method for bifurcation analysis of large-scale nonlinear mechanical systems, COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, Vol: 296, Pages: 18-38, ISSN: 0045-7825

Journal article

Kuether RJ, Renson L, Detroux T, Grappasonni C, Kerschenh G, Allen MSet al., 2015, Nonlinear normal modes, modal interactions and isolated resonance curves, JOURNAL OF SOUND AND VIBRATION, Vol: 351, Pages: 299-310, ISSN: 0022-460X

Journal article

Renson L, Noel JP, Kerschen G, 2015, Complex dynamics of a nonlinear aerospace structure: numerical continuation and normal modes, NONLINEAR DYNAMICS, Vol: 79, Pages: 1293-1309, ISSN: 0924-090X

Journal article

Renson L, Deliege G, Kerschen G, 2014, An effective finite-element-based method for the computation of nonlinear normal modes of nonconservative systems, MECCANICA, Vol: 49, Pages: 1901-1916, ISSN: 0025-6455

Journal article

Noel JP, Renson L, Kerschen G, 2014, Complex dynamics of a nonlinear aerospace structure: Experimental identification and modal interactions, Journal of Sound and Vibration, Vol: 333, Pages: 2588-2607, ISSN: 0022-460X

Nonlinear system identification is a challenging task in view of the complexity and wide variety of nonlinear phenomena. The present paper addresses the identification of a real-life aerospace structure possessing a strongly nonlinear component with multiple mechanical stops. The complete identification procedure, from nonlinearity detection and characterization to parameter estimation, is carried out based upon experimental data. The combined use of various analysis techniques, such as the wavelet transform and the restoring force surface method, brings different perspectives to the dynamics. Specifically, the structure is shown to exhibit particularly interesting nonlinear behaviors, including jumps, modal interactions, force relaxation and chattering during impacts on the mechanical stops.

Journal article

Noel JP, Renson L, Kerschen G, 2014, EXPERIMENTAL IDENTIFICATION OF THE COMPLEX DYNAMICS OF A STRONGLY NONLINEAR SPACECRAFT STRUCTURE, ASME International Design Engineering Technical Conferences / Computers and Information in Engineering Conference (IDETC/CIE), Publisher: AMER SOC MECHANICAL ENGINEERS

Conference paper

Detroux T, Renson L, Kerschen G, 2014, The Harmonic Balance Method for Advanced Analysis and Design of Nonlinear Mechanical Systems, 32 International Modal Analysis Conference on Structural Dynamics, Publisher: SPRINGER, Pages: 19-34, ISSN: 2191-5644

Conference paper

Renson L, Noel JP, Kerschen G, 2014, Experimental evidence and numerical prediction of nonlinear modal interactions in a real-life aerospace structure, International Conference on Noise and Vibration Engineering (ISMA), Publisher: KATHOLIEKE UNIV LEUVEN, DEPT WERKTUIGKUNDE, Pages: 869-883

Conference paper

Renson L, Kerschen G, 2014, NUMERICAL COMPUTATION OF NONLINEAR NORMAL MODES OF NONCONSERVATIVE SYSTEMS, ASME International Design Engineering Technical Conferences / Computers and Information in Engineering Conference (IDETC/CIE), Publisher: AMER SOC MECHANICAL ENGINEERS

Conference paper

Noel JP, Renson L, Grappasonni C, Kerschen Get al., 2014, A rigorous phase separation method for testing nonlinear structures, International Conference on Noise and Vibration Engineering (ISMA), Publisher: KATHOLIEKE UNIV LEUVEN, DEPT WERKTUIGKUNDE, Pages: 3079-3096

Conference paper

Renson L, Kerschen G, 2013, Nonlinear normal modes of nonconservative systems, Pages: 189-202, ISBN: 9781461465690

Linear modal analysis is a mature tool enjoying various applications ranging from bridges to satellites. Nevertheless, modal analysis fails in the presence of nonlinear dynamical phenomena and the development of a practical nonlinear analog of modal analysis is a current research topic. Recently, numerical techniques (e.g., harmonic balance, continuation of periodic solutions) were developed for the computation of nonlinear normal modes (NNMs). Because these methods arc limited to conservative systems, the present study targets the computation of NNMs for nonconservative systems. Their definition as invariant manifolds in phase space is considered. Specifically, a new finite element technique is proposed to solve the set of partial differential equations governing the manifold geometry. © The Society for Experimental Mechanics, Inc. 2013.

Book chapter

Nöel JP, Renson L, Kerschen G, Peeters B, Manzato S, Debille Jet al., 2013, Nonlinear dynamic analysis of an F-16 aircraft using GVT data

This paper aims at investigating the nonlinear dynamics of an F-16 aircraft, based upon sine-sweep data collected during a ground vibration test campaign. Various analysis techniques, including the mere visual inspection of the time series, the wavelet transform and the restoring force surface method, are utilised and reveal that the F-16 wing-to-payload mounting interfaces exhibit both softening and hardening nonlinearities.

Conference paper

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