Conference papers

2023B. Barthel, T. Sapsis, A machine learning framework for correcting under-resolved simulations of turbulent systems using nudged datasets, NeurIPS 2023 Workshop on Tackling Climate Change with Machine Learning, New Orleans (12-2023). [pdf]
M. Wang, A. Souza, R. Ferrari, T. Sapsis, Spatially-resolved emulation of climate extremes via machine learning stochastic models, NeurIPS 2023 Workshop on Tackling Climate Change with Machine Learning, New Orleans (12-2023). [pdf]
A. P. Mentzelopoulos, D. Fan, T. Resvanis, T. Sapsis, M. S. Triantafyllou, Physics-based unsupervised learning of vortex-induced vibrations from riser field experimental stain data, ISOPE 2023 Ottawa Conference, Ottawa, Canada, (6-2023). [pdf]
A. Charalampopoulos, S. Zhang, B. Harrop, L. R. Leung, and T. Sapsis, Statistics of extreme events in coarse-scale climate simulations via machine learning correction operators trained on nudged datasets, AAAI Conference: AI Climate Tipping-Point Discovery (3-2023). [pdf]
2022A. Blanchard, N. Parashar, B. Dodov, C. Lessig, T. Sapsis, A multi-scale deep learning framework for projecting weather extremes, Tackling Climate Change with Machine Learning workshop at NeurIPS 2022, New Orleans (12-2022). Best Paper: ML Innovation [pdf] [link]
A. Mentzelopoulos, J. Ferrandis, D. Fan, S. Rudy, T. Sapsis, M. Triantafyllou, Inferring optimal hydrodynamic databases for vortex induced cross flow vibration prediction of marine risers using limited sensor measurements, Proceedings of the 32nd International Ocean and Polar Engineering Conference, Shanghai, China (6-2022). [pdf]
A. Kriezis, C. Chryssostomidis, T. Sapsis, Predicting ship power using machine learning methods, Proceedings of the SNAME Maritime Convention 2022, Houston, Texas (9-2022). [pdf]
M. D. Levine, S. J. Edwards, D. Howard, V. Belenky, K. Weems, T. Sapsis, and V. Pipiras, Data-adaptive autonomous seakeeping, Proceedings of the 34th Symposium on Naval Hydrodynamics Washington, DC, USA (6-2022). [pdf]
T. Sapsis, V. Belenky, K. Weems, V. Pipiras, Deck effects on the statistical structure of the vertical bending moment loads during random waves: an analytical approach, Proceedings of the 34th Symposium on Naval Hydrodynamics Washington, DC, USA (6-2022). [pdf]
V. Pipiras, D. Howard, V. Belenky, K. Weems and T. Sapsis, Multi-Fidelity Uncertainty Quantification and Reduced-Order Modeling for Extreme Ship Motions and Loads, Proceedings of the 34th Symposium on Naval Hydrodynamics Washington, DC, USA (6-2022). [pdf]
S. Guth, B. Champenois, T. Sapsis, Application of Gaussian process multi-fidelity optimal sampling to ship structural modeling, Proceedings of the 34th Symposium on Naval Hydrodynamics Washington, DC, USA (6-2022). [pdf]
2021T. Sapsis, V. Belenky, K. Weems, V. Pipiras, Extreme properties of impact-induced vertical bending moments, Proceedings of the 1st International Conference on the Stability and Safety of Ships and Ocean Vehicles, Glasgow, Scotland, UK (Virtual) (6-2021). [pdf]
S. Guth, T. Sapsis, A stochastically preluded Karhunen-Loève representation for recovering extreme statistics in ship dynamics, Proceedings of the 1st International Conference on the Stability and Safety of Ships and Ocean Vehicles, Glasgow, Scotland, UK (Virtual) (6-2021). [pdf]
V. Belenky, K. Weems, T. Sapsis, V. Pipiras, Influence of deck submergence events on extreme properties of wave-induced vertical bending moment, Proceedings of the 1st International Conference on the Stability and Safety of Ships and Ocean Vehicles, Glasgow, Scotland, UK (Virtual) (6-2021). [pdf]
S. Rudy, D. Fan, J. Ferrandis, T. Sapsis, M. Triantafyllou, Learning optimal parametric hydrodynamic database for vortex-induced crossflow vibration prediction of both freely-mounted rigid and flexible cylinders, Proceedings of the 31st International Ocean and Polar Engineering Conference, Rhodes, Greece (Virtual) (6-2021). [pdf]
2020T. Sapsis, V. Pipiras,  K. Weems, V. Belenky, On extreme value properties of vertical bending moment, Proceedings of the 33rd Symposium on Naval Hydrodynamics Osaka, Japan (Virtual) (10-2020). [pdf]
S. Guth, T. Sapsis, Active Search methods to predict material failure under intermittent loading in the Serebrinksy-Ortiz fatigue model, Proceedings of the Dynamic Data Driven Applications Systems (DDDAS)/InfoSymbiotics2020 Conference (Virtual) (10-2020). [pdf]
2019K. Weems, V. Belenky, B. Campbell, V. Pipiras, T. Sapsis, Envelope peaks over threshold application and verification, Proceedings of the 17th International Ship Stability Workshop, Helsinki, Finland (6-2019). [pdf]
2018V. Belenky, K. Weems, V. Pipiras, D. Glotzer, T. Sapsis, Tail structure of roll and metric of capsizing in irregular waves, Proceedings of the 32nd Symposium on Naval Hydrodynamics (2018), Hamburg, Germany (8-2018). [pdf]
2017J. M. Kluger, A. Slocum, T. P. Sapsis, A First-Order Dynamics and Cost Comparison of Wave Energy Converters Combined with Floating Wind Turbines, Proceedings of the Twenty-seventh (2017) International Ocean and Polar Engineering Conference, San Francisco (6-2017). [pdf]
T. Sapsis, M. Mohamad, Probabilistic quantification of extreme events in complex systems, 9th European Nonlinear Dynamics Conference, Budapest, Hungary (6-2017).
T. Sapsis, M. Mohamad, H. Joo, Extreme response mitigation of stochastically forced nonlinear structures, 9th European Nonlinear Dynamics Conference, Budapest, Hungary (6-2017).
V. Belenky, K. Weems, K. Spyrou, V. Pipiras, T. Sapsis, Modeling Broaching-to and Capsizing with Extreme Value Theory, Proceedings of the 16th International Ship Stability Workshop, Belgrade, Serbia (6-2017).
2016V. Belenky, D. Glozter, V. Pipiras, T. P. Sapsis, On the tail of nonlinear roll motions, Proceedings of the 15th International Ship Stability Workshop, 13-15 June 2016, Stockholm, Sweden (6-2016). [pdf]
J. M. Kluger, T. P. Sapsis, A. H. Slocum, A Reduced-Order, Statistical Linearization Approach for Estimating Nonlinear Floating Wind Turbine Response Statistics, Proceedings of the Twenty-sixth (2016) International Ocean and Polar Engineering Conference (6-2016). [pdf]
2015M. Mohamad, T. P. Sapsis, Probabilistic response of Mathieu equation excited by correlated parametric excitation, Proceedings of STAB2015 – 12th International Conference on the Stability of Ships and Ocean Vehicles (6-2015).
H. K. Joo, T. P. Sapsis, Closure Schemes for Nonlinear Bi-stable Systems subjected to Correlated Noise – Applications to Energy Harvesting from Water Waves, Proceedings of the Twenty-fifth (2015) International Ocean and Polar Engineering Conference (6-2015).
2014M. Mohamad, T. P. Sapsis, Analytical approximation of the heavy-tail structure for intermittently unstable complex modes, Proceedings of the Dynamic Data Driven environmental System Science Conference, Cambridge, Massachusetts (11-2014).
W. Cousins, T. P. Sapsis, Reduced order probabilistic prediction of rogue waves in 1D envelope equations, Proceedings of the Dynamic Data Driven environmental System Science Conference, Cambridge, Massachusetts (11-2014).
H. K. Joo, T. P. Sapsis, Performance barriers for single-degree-of-freedom energy harvesters under generic stochastic excitation, Proceedings of the ASME 2014 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, IDETC/CIE 2014, Invited for MSNDC-11-1 Nonlinear Energy Transfers and Harvesting, Buffalo, New York, (8-2014).
W. Cousins, T. P. Sapsis, Quantification and prediction of intermittent events in nonlinear dispersive waves, 8th European Nonlinear Dynamics Conference, Invited for MS-3 Computational Methods, Vienna, Austria, (7-2014).
H. K. Joo, T. P. Sapsis, Performance measures for SDOF energy harvesters under stochastic excitation, 8th European Nonlinear Dynamics Conference, Invited for MS-15 Energy Transfer and Harvesting in Nonlinear Systems, Vienna, Austria, (7-2014).
2013T. Sapsis, A. Vakakis, and L. Bergman, Targeted energy transfer between dynamical components due to essential nonlinearities, Proceedings of ICOSSAR 2013: 11th International Conference on Structural Safety and Reliability, Columbia University, New York, (6-2013).
2011T. Sapsis, A. Vakakis, and L. Bergman, Effect of stochasticity on targeted energy transfer from a linear medium to a strongly nonlinear attachment, 7th EUROMECH Conference ENOC, Rome, Italy, (7-2011).
T. Sapsis, and P. Lermusiaux, Dynamically orthogonal field equations for stochastic fluid flows, 7th EUROMECH Conference ENOC, Rome, Italy, (7-2011).
2010T. Sapsis, and P. Lermusiaux, Dynamically orthogonal field equations for stochastic continuous media, Proceedings of USNCTAM 2010: 16th US National Congress of Theoretical and Applied Mechanics, Penn State University, (6-2010).
T. Sapsis, A. Vakakis, and L. Bergman, Effect of stochasticity on targeted energy transfer from a linear medium to a strongly nonlinear attachment, Proceedings of USNCTAM 2010: 16th US National Congress of Theoretical and Applied Mechanics, Penn State University, (6-2010).
T. Sapsis, S. Koloutsou-Vakakis, M. Rood, B. Kim, and M. Kemme, Fugitive Dust Dispersion Using LIDAR Measurements and a Stochastic Lagrangian Model, in Air & Waste Management Association’s Annual Conference and Exhibition, Calgary, AB,  (6-2010).
T. Sapsis, and G. Haller, Clustering of inertial particles in 3D steady flows, in ‘Chaotic Systems: Theory and Applications’, C. H. Skiadas and I. Dimotikalis (Editors), World Scientific, Proceedings of the 3rd CHAOS 2010 International Conference (6-2010).
2009T. Sapsis and A. Vakakis, Targeted energy transfer in general linear waveguides: A unified integro-differential equation formulation with applications, Euromech Colloquium 503: Nonlinear Normal Modes, Dimension Reduction & Localization, Frascati, Italy, (9-2009).
T. Sapsis and A. Vakakis, Targeted energy transfer in general linear waveguides: A unified integro-differential equation formulation with applications, SICON CF: Nonlinear Dynamics, Stability, Identification and Control, University of Rome ‘La Sapienza’, Italy, (9-2009).
T. Sapsis and G. Haller, Clustering of inertial particles in 3D steady flows, Proceedings of the 2nd Chaotic Modelling and Simulation Conference (Chaos), Chania, Greece, (6-2009).
T. Sapsis and P. Lermusiaux, Reduced order evolution equations for stochastic fluid flows, Proceedings of the 2nd Chaotic Modelling and Simulation Conference (Chaos), Chania, Greece, (6-2009).
2008T. Sapsis, A.F. Vakakis, O.V. Gendelman, L.A. Bergman, G. Kerschen, D.D. Quinn, Efficiency of Targeted Energy Transfers in Coupled Nonlinear Oscillators Associated with 1:1 Resonance Captures, Proceedings of the Society of Engineering Science, 45th Annual Technical Meeting, Urbana-Champaign, Illinois, (10-2008).
T. Sapsis, D. D. Quinn, O. Gendelman, A. Vakakis, L. Bergman, and G. Kerschen, Applying L. Manevitch’s Complexification – Averaging method to analyze conditions for optimal Targeted Energy Transfer in coupled oscillators with essential stiffness nonlinearity. Proceedings of the International Conference on Nonlinear Phenomena in Polymer Solids and Low-dimensional Systems, Moscow, Russia, (7-2008).
T. Sapsis, D. D. Quinn, O. Gendelman, A. Vakakis, L. Bergman, and G. Kerschen, Efficient Targeted Energy Transfer in nonlinear oscillators. Proceedings of the 6th EUROMECH Nonlinear Dynamics Conference, Saint Petersburg, Russia,  (7-2008).
T. Sapsis, and G. Haller, Inertial particles motion in geophysical fluid flows. Proceedings of the 6th EUROMECH Nonlinear Dynamics Conference, Saint Petersburg, Russia, (7-2008).
2006T. Sapsis, and G. Athanassoulis, New partial differential equations governing the joint response-excitation, probability distributions of nonlinear systems, under general stochastic excitation. Proceedings of the 5th International Conference on Computational Stochastic Mechanics (CSM-5), Rhodes, Greece, (6-2006).