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Non-Linear Dynamics

Presentations

Conference presentations

  • E.F. Anderson, R.A. McAdam, M.N. Chatzis, 'Identifying close modes of idling offshore wind turbines on compliant foundations', SHMII-10, 30 June -2 July 2021, Porto, Portugal
  • X. Shi, M. N. Chatzis, 'Computational framework of lie symmetries of
    nonlinear systems with unmeasured inputs', SHMII-10, 30 June -2 July 2021, Porto, Portugal
  • X. Sun, K. Margellos, M. S. Williams, M. N.  Chatzis. 'A ROBUST RELIABILITY ALGORITHM FOR STRUCTURES UNDER SEISMIC EXCITATION', UNCECOMP 2021, June 2021, Athens, Greece
  • F. Igea, M. N. Chatzis, A. Cicirello, 'ON THE INVESTIGATION OF THE EFFECT OF POPULATION UNCERTAINTY ON OPTIMAL SENSOR LOCATIONS', UNCECOMP 2021, June 2021, Athens, Greece
  • H. Zhu, M. N. Chatzis, S. Acikgoz, 'THE INFLUENCE OF IMPACT MODELLING ASSUMPTIONS ON THE DYNAMIC BEHAVIOUR OF FLEXIBLE ROCKING OSCILLATORS', COMPDYN 2021, June 2021, Athens, Greece
  • X.Shi, M. N. Chatzis, 'Obtaining Observable Non-linear Models through the Concept of Lie Symmetry', Engineering Mechanics Institute Conference 2021, 26-28 May 2021, Columbia University, New York
  • J. Yang, M. N. Chatzis, Z. You, 'Collision-Free Deployments of Compact Stacks with Spring-Loaded Hinges', AIAA Scitech 2021 Forum, 11–15 & 19–21 January 2021 
  • X. Shi, M. N. Chatzis, 'LIE SYMMETRIES OF NONLINEAR SYSTEMS WITH UNMEASURED INPUTS', Eurodyn 2020, November 2020, Athens Greece
  • M. D. Burton, M. N. Chatzis, 'THE 3-D ROCKING DYNAMICS OF RIGID BODIES WITH IRREGULAR GEOMETRIES', Eurodyn 2020, November 2020, Athens Greece
  • E. F. Anderson, R. A. McAdam, M. N. Chatzis, 'A MODEL UPDATING APPROACH FOR IDENTIFICATION OF OFFSHORE WIND TURBINE FOUNDATION STIFFNESS', Eurodyn 2020, November 2020, Athens Greece
  • M. Kuleli, R. McAdam, M. Chatzis, A. Bajric, B. W. Byrne, C. Vanden Haute, 'CLOSING THE LOOP ON NEW OFFSHORE WIND FOUNDATION DESIGN METHODS USING IN-SITU MEASUREMENTS',Eurodyn 2020, November 2020, Athens Greece
  • X. Shi, M. N. Chatzis, K. Maes, M. S. Williams, ‘An Efficient Algorithm to Test the Observability of Rational Nonlinear Systems with Partially Measured Inputs’, Engineering Mechanics Institute Conference 2019, June 2019, Caltech, Pasadena, USA
  • A. Bajric, M. N. Chatzis, R. McAdam, B. Byrne, ‘Vibration-Based Estimation of Offshore Monopile Foundation Stiffness’, Engineering Mechanics Institute Conference 2019, June 2019, Caltech, Pasadena, USA.
  • H. Liu, M. N. Chatzis, C. MacMinn, ‘Modelling of the Planar Dynamics of Rocking-Sloshing Systems’, Engineering Mechanics Institute Conference 2019, June 2019, Caltech, Pasadena, USA
  • M. D. Burton, M. N. Chatzis ‘A Robust Implementation of Rigid Contact Models for Slide-Rocking Bodies with Arbitrary Geometry’, Engineering Mechanics Institute Conference 2019, June 2019, Caltech, Pasadena, USA
  • X. Shi, M.N. Chatzis and M. Williams, ‘Robust Computation of the Observability of Large Systems with Unknown Parameters’, IALCCE 2018, Ghent, Belgium
  • E. Kakouris, M.N. Chatzis and S.P. Triantafyllou, ‘A Material Point Method for Studying Rocking Systems’, 16th ECEE, June 2018, Thessaloniki, Greece
  • K. Maes, M.N. Chatzis and G. Lombaert, ‘Observability of structural and mechanical systems with unknown inputs’ EMI 2018, June 2018, MIT, Cambridge MA, U.S.A
  • X. Shi, M.N. Chatzis and M. Williams, ‘Robust Calculation of the Observability of Large Systems’, EMI 2018, June 2018, MIT, Cambridge MA, U.S.A.
  • M.N. Chatzis, E.N. Chatzi, ‘Online Bayesian Identification of Non-Smooth Systems’, Proceedings of Eurodyn 2017, September 2017, La Sapienza, Rome
  • M.N. Chatzis, E.N. Chatzi, ‘A Discontinuous ”D” Variant for Identification of non-smooth systems’, ICOSSAR 2017, TU Wien, Vienna Austria
  • M. Garcia Espinosa, M.N. Chatzis, ‘Estimating the Risk of Rocking Systems Versus Lifespan’, Compdyn 2017, Rhodes Greece, June 2017
  • M.N. Chatzis, E.N. Chatzi, ‘Identifying Non-Smooth Systems Using the Discontinuous Modification’, UNCECOMP 2017, Rhodes Greece, June 2017
  • M.N. Chatzis, E.N. Chatzi, ‘A discontinuous treatment for identifying damage using Kalman Filter’, EMI 2017, UC San Diego, June 2017
  • M. Garcia Espinosa, M.N. Chatzis ‘A preliminary investigation of methods for generating fragility curves for rocking bodies’, 16th WCEE, Chile January 2017
  • M.N. Chatzis, E.N. Chatzi ‘A Discontinuous “D”-Variant for Bayesian Recursive Estimators’, EMI-IC 2016, Metz France
  • M.N. Chatzis, E.N. Chatzi, S. P. Triantafyllou ‘A discontinuous class of filtering methods for the identification of non-smooth dynamical systems’, IALCCE, October 2016, Delft, The Netherlands
  • M.N. Chatzis, M. Garcia Espinosa ‘A Preliminary Study of the Rocking Response of Artifacts Subjected to Sound Induced Vibrations’, EMI 2016, Vanderbilt University, May 2016
  • M.N. Chatzis, E.N. Chatzi ‘A Discontinuous Unscented Kalman Filter for Non-Smooth Problems’, EMI 2016, Vanderbilt University, May 2016
  • R.Y. Greenbaum; A.W. Smyth, M.N. Chatzis ‘Experimental Verification of Common Assumptions Used in the Analysis of the Rocking Motion of Rigid Bodies, EMI 2016, Vanderbilt University, May 2016
  • M.N. Chatzis, E.N. Chatzi, S.P. Triantafyllou ‘IDENTIFICATION OF NON-SMOOTH DYNAMICS FOR ASSESSING STRUCTURAL PERFORMANCE’, 11HSTAM, Athens, May 2016
  • M.N. Chatzis, M. Garcia Espinosa ‘A Preliminary Study of the Rocking Response of Artifacts Subjected to Sound Induced Vibrations’, 11HSTAM, Athens, May 2016
  • S.P. Triantafyllou, M.N. Chatzis, ‘A new damage-healing smooth hysteretic formulation for the modeling of self-healing materials’, 8th GRACM International Congress on Computational Mechanics, Volos, 12 July – 15 July 2015
  • M.N. Chatzis, F. Ait Brahim ‘A preliminary investigation of lateral impacts in rocking systems’, Engineering Mechanics Institute Conference, June 16-19 2015, Stanford University, Palo Alto, California, U.S.A.
  • M.N. Chatzis, E.N. Chatzi, S.P. Triantafyllou ‘An adaptive online identification scheme for a phenomenological hysteretic law’, Engineering Mechanics Institute Conference, June 16-19 2015, Stanford University, Palo Alto, California, U.S.A.
  • M.N. Chatzis, C. Needham, M. Williams ‘An event driven numerical formulation for single and stacked pendulum rocking models’, Engineering Mechanics Institute Conference, August 5-8 2014, McMaster University, Hamilton, Ontario, Canada
  • E.N. Chatzi, M.N. Chatzis and A.W. Smyth ‘An experimental validation of time domain system identification methods with fusion of heterogeneous data’, Engineering Mechanics Institute Conference, August 5-8 2014, McMaster University, Hamilton, Ontario, Canada
  • R.Y. Greenbaum, M.N. Chatzis, A.W. Smyth ‘An Experimental Study of the Rocking Motion of Rigid Bodies on Elastic Medium’, Engineering Mechanics Institute Conference, August 5-8 2014, McMaster University, Hamilton, Ontario, Canada
  • M.N. Chatzis E.N. Chatzi and A.W. Smyth ‘Identification of an experimental structure using heterogeneous observable sensor setups’, Sixth World Conference on Structural Control and Monitoring , Barcelona, Spain, 15-17 July 2014
  • M.N. Chatzis, E.N. Chatzi and A.W. Smyth ‘Observability and Identifiability methods for Structural Dynamic Systems’,Second International Conference On Vulnerability And Risk Analysis And Management (ICVRAM) And The Sixth International Symposium On Undertainty Modeling And Analysis (ISUMA), July 13-16, 2014, Liverpool, United Kingdom
  • M.N. Chatzis, E.N. Chatzi and A.W. Smyth ‘Observability and identifiability methods for structural and mechanical systems’, Engineering Mechanics Institute Conference, August 4-7 2013, Northwestern University, Evanston, Illinois
  • M.N. Chatzis and A.W. Smyth ‘Rocking: From the Inverted Pendulum to the Dynamics of a Die’, Engineering Mechanics Institute Conference, August 4-7 2013, Northwestern University, Evanston, Illinois
  • M.N. Chatzis and A.W. Smyth ‘A Probabilistic Investigation of the Toppling of Rigid Bodies Experiencing 3D Ground Motions’, 4th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, June 12-14 2013, Kos Island Greece
  • M.N. Chatzis and A.W. Smyth ‘Preliminary investigation of the randomness in the outcome of a die throw’, 11th International Conference on Structural Safety & Reliability, June 16-20 2013, New York, NY
  • M.N. Chatzis and A.W. Smyth ‘A Probabilistic Investigation of the Toppling of Rigid Bodies Experiencing 3D Ground Motions’, Joint Conference of the Engineering Mechanics Institute and 11th ASCE Joint Specialty Conference on Probabilistic Mechanics and Structural Reliability 2012, June 17-20 2012, University of Notre Dame
  • M.N. Chatzis and A.W. Smyth ‘The 3D Dynamics of a Rigid Body With Wheels on a Moving Base’, Joint Conference of the Engineering Mechanics Institute and 11th ASCE Joint Specialty Conference on Probabilistic Mechanics and Structural Reliability 2012, June 17-20 2012, University of Notre Dame
  • M.N. Chatzis and A.W. Smyth ‘Modelling of the 3D Rocking Problem’, Engineering Mechanics Institute 2011, June 2-4 2011, Northeastern University, Boston, MA
  • M.N. Chatzis and A.W. Smyth ‘Toward Robust Modeling of the Rocking Problem’, Engineering Mechanics Institute 2010, August 8-11 2010, University of Southern California, Los Angeles, CA M.N. Chatzis, S.P. Triantafyllou, VK. Koumousis ‘Using Analytical Sensitivity Analysis in Box Girder Design’, 9th HSTAM International Congress on Mechanics, 12-14 July 2010, Limassol, Cyprus
  • M.N. Chatzis, S.P. Triantafyllou, VK. Koumousis ‘A Beam Element Formulation for the Non-Uniform Torsion and Distortion of Thin-Walled Closed Sections’ 6th National Conference on Steel Strucures, 2-4 October 2008, Iwannina, Greece.