Haller Group | Nonlinear Dynamics
We develop mathematical and numerical methods for complex, nonlinear dynamical systems in nature and engineering. Our approach combines applied mathematics, dynamical systems theory and numerical methods to produce algorithms directly applicable to experimental and numerical data sets. Areas of current interest include nonlinear vibrations of multi-degree-of-freedom structures, rigorous model reduction in very high dimensional systems, complicated transport processes in the ocean and the atmosphere, and the definition and identification of coherent structures in turbulence.
Latest News
George Haller elected Fellow of the American Society of Mechanical Engineers (ASME).
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Our work on uncovering the hidden trap-and-release mechanism that enables a new form of long-chain hydrocarbon synthesis appears in Nature Communications.
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Congratulations to Mattia Cenedese for winning the 1st prize in the poster competition of the 8th International Conference on Nonlinear Vibrations, Localizattion and Energy Transfer (NNM2021)!
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Our Congratulations to Mattia Cenedese and Stergios Katsanoulis on defending their Ph.D. theses!
Our quasi-objective, single-trajectory coherent structure detection algorithm has been selected as Featured Article in the April issue of Chaos.
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Pre-release of SSMTool 2.0 is now available for download.
Our significantly upgraded Matlab package now computes exact reduced models, forced response and bifurcations in very high-dimensional mechanical systems, including finite-element models generated by an integrated FEM code. [Link]
Ahmed Morsy, a recent graduate from Politecnico di Milano, joins our group as Ph.D. student.
Welcome on board, Ahmed! [Meet the team]
Our new, universal estimate for model-prediction errors has been selected as Editor’s Pick in the November issue of Chaos.
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Alex Pablo Encinas Bartos, a recent graduate from ETH Zürich, joins our group as Ph.D. student.
Welcome on board, Alex! [Meet the team]
Joar Axås, a recent graduate from Chalmers University of Technology, joins our group as Ph.D. student.
Welcome on board, Joar! [Meet the team]
Mingwu Li, a recent Ph.D. from the University of Illinois, Urbana-Champaign, joins our group as postdoctoral fellow.
Welcome on board, Mingwu! [Meet the team]
Mattia Serra appointed as Assistant Professor in Physics at the University of California, San Diego.
Mattia Serra, formerly a Ph.D student in our group then postdoc at Harvard, has been appointed as tenure-track Assistant Professor in Physics at UCSD. Congratulations, Mattia!
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Scientific American covers the search and rescue algorithm developed in our group.
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Code and data available for our TRAP identification algorithm for search and rescue operations.
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US National Science Foundation creates short film on our new search-and-rescue algorithm.
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Congratulations to Thomas Breunung on his Ph.D. defense and on his new postdoctoral position at the University of Maryland, College Park!
[View profile]
Our work on optimizing search and rescue at sea using Eulerian coherent structures appears in Nature Communications.
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George Haller elected Fellow of the Society of Industrial and Applied Mathematics (SIAM).
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George Haller invited to join the editorial advisory board for Chaos.
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Schmidt Science Foundation creates short film on our former group member, Mattia Serra, and his research.
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George Haller invited to join the editorial board of Nonlinear Dynamics as Feature Editor.
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Book co-edited by Paolo Tiso on Substructuring in Engineeering Dynamics appears.
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George Haller has been elected Fellow of the American Physical Society (APS).
View article: [View]
New group members: Morteza Karamooz, Mariella Kast, Bálint Kaszás and Tiemo Pedergnana.
Welcome on board, Morteza, Mariella, Bálint and Tiemo! [Meet the team]
Congratulations to Sten Ponsioen on his Ph.D. defense and new position as Simulation and Analysis Engineer at Red Bull Racing & Technology!
[View profile]
Sten Ponsioen wins the SIAM DSWeb 2019 Contest with SSMtool!
Congratulations to Sten for his success in the student category of the SIAM DSWeb 2019 Contest: Tutorials on Dynamical Systems Software.
View contest: [View]
More about SSMTool: [View]
George Haller has been elected External Member of the Hungarian Academy of Sciences.
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Tiemo Pedergnana receives ETH medal for outstanding master thesis
View article: [View]
Mohammad Farazmand appointed as Assistant Professor in Mathematics at North Carolina State University
Mohammad Farazmand, formerly a Ph.D student in our group, currently a postdoc at MIT, has been appointed as tenure-track Assistant Professor in Mathematics. Congratulations, Mohammad!
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Mattia Serra receives ETH medal for outstanding doctoral thesis
View article: [View]
Paolo Tiso invited to join the editorial board of the Journal of Sound and Vibration.
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APS Focus on our research on invisible traps in pipes
View APS Focus article: [View]
Mattia Serra receives the inaugural Schmidt Science fellowship
Congratulations to Mattia on receiving this fellowship!.
View press release in Forbes: [View]
View press release in PR Newswire: [View]
More about the Schmidt Science Fellows: [View]
David Oettinger appointed at ELCA.
Congratulations to David on his Ph.D. defense and on his new position at ELCA!.
More about ELCA: [View]
Mattia Serra appointed as postdoc at Harvard
Congratulations to Mattia on his Ph.D. defense and on his new postdoctoral position at Harvard University! [View]
New group members: Mattia Cenedese and Stergios Katsanoulis
Welcome on board, Mattia and Stergios! [Meet the team]
