RSUQ news

From April 2-5, 2024, Styfen Schär attended the MASCOT-NUM conference in Hyères, France, an event organized by the MASCOT-NUM research network.

Moustapha Maliki and Bruno Sudret co-author a paper on optimal renovation strategies for buildings in Switzerland.

Bruno Sudret gives an invited lecture at the 94th Annual Meeting of the International Association of Applied Mathematics and Mechanics entitled “Sparse polynomial chaos expansions: a review of recent developments”.

The SIAM Uncertainty conference was organized in Trieste (Italy) from February 27 to March 1st, 2024.

Jonathan Moran, a PhD student from the University of Liege in Belgium joins the Chair as a visiting researcher to work on Bayesian neural networks for surrogate modelling.

Katerina Giannoukou has returned from her 3-month stay in Munich, where she explored multi-fidelity applications in crashworthiness as a visiting student at TUM

S. Schär, S. Marelli, and B. Sudret published a new paper about surrogate modeling for dynamical systems.

The GREYDIENT Hackathon, a dynamic follow-​up event organized from November 14th to 16th, 2023.

The sixth network-wide event (NWE) of the Marie Skłodowska-Curie Innovative Training Network (ITN) GREYDIENT took successfully place in Munich from November 7th to 10th, 2023. The event was organized through the collaborative efforts of the Technical University of Munich and BMW.

Lukas Fritsch, a master student in Civil Engineering from the Leibniz University in Hannover, Germany, joins the Chair to work on advanced structural reliability methods.

The Chair of Risk, Safety and Uncertainty Quantification was well represented at the 14th International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP14), Dublin (Ireland), by Bruno Sudret giving a keynote lecture entitled “Active learning methods in structural reliability and design optimization”.

Bruno Sudret gives a semi-plenary lecture at the 5th International Conference on Uncertainty Quantification in Computational Science and Engineering in Athens (Greece), entitled “Surrogate modelling for stochastic simulators”.

Together with O. Roustant, F. Gamboa and B. Iooss from the Institut de Mathématiques de Toulouse in France, N. Lüthen, S. Marelli, and B. Sudret published a new paper about global sensitivity analysis using Poincaré basis functions.

Cubus AG is looking for new employees with civil engineering and programming skills.

M. Moustapha and B. Sudret published a new paper on the approximation of non-smooth functions using a three-stage approach combining clustering, classification and regression.

N. Lüthen, S. Marelli, and B. Sudret published a new paper about surrogate modeling for stochastic simulators.

In collaboration with M. Broccardo from University of Trento (Italy), X. Zhu and B. Sudret published a new paper on Seismic fragility analysis using stochastic polynomial chaos expansions.

Xujia Zhu successfully defended his PhD thesis on “Surrogate modeling for stochastic simulators using statistical approaches”.

New paper published in Structural Multidisciplinary Optimization                    M. Moustapha and B. Sudret publish a paper on multi-objective robust optimization together with A. Galimshina and G. Habert (D-BAUG/IBI).

Bruno Sudret delivered a keynote lecture entitled “Surrogate models for uncertainty quantification in computational sciences” at the XLIII Ibero-Latin American Congress on Computational Methods in Engineering (CILAMCE 2022) in Foz do Iguaçu, Brazil.

X. Zhu and B. Sudret published a new paper on extending polynomial chaos expansions to the emulation of stochastic simulators.

The third network-wide event of GREYDIENT took place in Hannover!

Today, Nora Lüthen successfully defended her PhD thesis entitled “Sparse spectral surrogate models for deterministic and stochastic computer simulations”.

Xujia Zhu, a PhD student of our group in his final year, received the Best Paper Award awarded at the 8th International Symposium on Reliability Engineering and Risk Management (ISRERM’22), which took place at the Leibniz University Hannover (Germany) on September 4-7, 2022.

Paul-Remo Wagner was awarded the ETH medal for his PhD thesis on “Stochastic Spectral Embedding in Forward and Inverse Uncertainty Quantification”. 

In collaboration with T. Zhou and Y. Peng from Tongji University, B. Sudret and S. Marelli published a new paper on a novel adaptive approach for the probability density evolution method for reliability analysis.

In collaboration with G. A. Meles and N. Linde from the University of Lausanne, S. Marelli published a new paper on the combination of dimensionality reduction and surrogate modelling for geophysical tomographic imaging.

We hosted the second network-wide event of GREYDIENT in April 19-22.

The positions are offered by the Chair for Reliability Engineering at TU Dortmund, Germany.

The 10th International Conference on Sensitivity Analysis of Model Output will be held in Tallahassee, Florida between March 14-​16, 2022.

The book entitled “Baustatik – eine Einführung” was published in German by Springer Vieweg.

It is our pleasure to announce the opening of a post-doc/scientific developer position in our Chair.

Interested in UQ and hydrology? Here is a unique MSc opportunity offered by the Department Urban Water Management at EAWAG.

The title of the thesis proposal is Multi-​fidelity based machine learning approaches for uncertainty propagation of field variables, application to the design of aerospace vehicles. 

Nora Lüthen presented the results of a collaboration between RSUQ and researchers from the Institut de Mathématiques Toulouse, France, at the 41st UQSay seminar.

M. Moustapha, S. Marelli and B. Sudret published a new paper on active learning reliability methods.

In collaboration with I. Papaioannou and D. Straub from TU Munich (Germany), P.-R. Wagner, S. Marelli, and B. Sudret published a new paper on rare event estimation using the recently developed technique stochastic spectral embedding.

Tsokanas, N., Zhu, X., Abbiati, G., Marelli, S., Sudret, B., and Stojadinovic, B. published a new paper on global sensitivity analysis for hybrid simulations with stochastic substructures

Bruno Sudret gives a keynote lecture at the Euromech 618 Conference.

On Nov 16, 2021, Nora Lüthen gave a three-hour lecture on simulation-based risk analysis as a part of the CAS "Risikoanalytik und Risiko-Assessment" of the ZHAW Zürcher Hochschule für Angewandte Wissenschaften.

The first network-wide event of GREYDIENT happened on November 8-10 in Belgium. Our PhD students Anderson and Katerina were there!

The HIPERWIND project is part of the Horizon 2020 research and innovation- program. Learn more about the project and get a glimpse of early results during the first webinar on November 19 from 14:00 to 16:30 CET.

Bruno Sudret gave a lecture entitled “Benchmarking active learning methods for structural reliability analysis” at the 8th Workshop on Robust and Reliable Design organized by the GST "Mécanique et Incertain" of the Association Française de Mécanique. The online workshop was attended by more than 50 people from both French academia and industry.

Bruno Sudret and Nora Lüthen delivered a lecture and UQLab tutorial on polynomial chaos expansions at the 4th Indian National Conference on Multidisciplinary Design, Analysis and Optimization.

X. Zhu and B. Sudret published a new paper on building surrogate models to represent the response distribution of stochastic simulators.

Faes, M. G. R., Daub, M., Marelli, S., Patelli, E., Beer, M. published a new paper on Engineering analysis with probability boxes: a review on computational methods.

Today Paul-Remo Wagner successfully defended his PhD thesis on “Stochastic spectral embedding in forward and inverse uncertainty quantification”.

Matrisk is an engineering consultancy that combines scientific exellence with a highly targeted and practical approach to provide the decision support that their clients need. You can become part of their team as a Risk Engineer.

The 4th International Conference on Uncertainty Quantification in Computational Sciences and Engineering will be hald as on online conference from June 27th to 30th, 2021.

The International Conference on Structural Safety and Reliability will be hosted by Tongji Unversity between June 20th to 24th, 2022.

X. Zhu and B. Sudret published a new paper on global sensitivity analysis for stochastic simulators.

The EMI/PMC 2021 conference will be hosted by Columbia University from May 25th to 28th, 2021.

A paper about sparse polynomial chaos expansions by N. Lüthen, S. Marelli and B. Sudret has recently been published in the SIAM/ASA Journal of Uncertainty Quantification.

We have an open project-based position for the development of a teaching web platform and a set of interactive applications related to the civil engineering Bachelor course “Structural Mechanics”.

Nora received the award for her poster on “Sparse regression-based Poincaré expansions for global sensitivity analysis”, which she presented at this year’s virtual edition of the annual MASCOT-NUM 2021 meeting.

The PhD position is funded by CNRS (via the MODCOV19 platform) and is scheduled to start on October 1st, 2021. The PhD student will be registered in the MSTII doctoral school and she/he will be attached to AIRSEA project/team at Jean Kuntzmann Lab (UMR 5224) in Grenoble (France).

The MASCOT NUM 2021 meeting focuses this year on statistical analysis and uncertainty quantification of complex numerical models for natural world. It will take place from April 27th to 30th, 2021.

Two papers about the work on Stochastic Spectral Embedding (SSE) by P.-R. Wagner, S. Marelli, C. Lataniotis and B. Sudret have been recently published. 

As part of the EXAR project, uncertainty quantification techniques were used to gain insights into the effects uncertainties have on the hydrological model predictions. This is one of the first mentions of UQ in a federal office report in Switzerland.

With the ongoing COVID-19 pandemic still restricting our contacts, we thought it might be a good idea to show our faces again by updating our group picture. 

The cluster of excellence EXC 2075 Data-Integrated Simulation Science (SimTech) at the University of Stuttgart invites applications for two positions of Independent Junior Research Group Leaders in Data-Integrated Simulation Science

Prof. Bruno Sudret is appointed in the scientific committee Mathematics/Statistics of the French Laboratoire National de Métrologie et d’Essais.

It is our pleasure to announce the recruitment of 15 PhD students as part of the European Innovative Training Network (ITN) GREYDIENT (H2020-MSCA-ITN-2020 “Grey-Box Models for Safe and Reliable Intelligent Mobility Systems”).

We proudly announce that the Chair ranks as the 4-th most cited on Uncertainty Quantification in the last year according to Google Scholar. Congratulations to all the PhDs, postdocs and senior scientists that contributed to this great success!

The Eccomas congress 2020 together with the 14th WCCM conference will take place in a digital version between January 11-15, 2021.

The Chair opens a Ph.D. position in the field of advanced simulation methods for offshore wind turbine design in the context of the European Project HIPERWIND.

The Chair received an Innovedum grant to develop a web-based platform hosting educational apps for the two Structural mechanics courses.

The kick-off meeting of the Horizon 2020 European project HIPERWIND devoted to the next-generation design of offshore wind turbine farms has taken place online on December 8 and 9, 2020.

Biswarup will work as a post-​doctoral researcher with the main interest to develop surrogate modeling frameworks for mixed discrete-​continuous random variables.

The project HIPERWIND (Highly advanced probabilistic design and enhanced reliability methods for high-value, cost-efficient offshore wind) has been approved by the European Commission end of July 2020.

The IFIP WG 7.5 2020 conference will be hosted by Kyoto University from August 23rd to 26th.

M. Moustapha co-​authored a new paper proposing a methodology for the identification of robust strategies in building renovations. The paper is a result from a collaboration with the Chair of Sustainable Construction at ETH Zurich, the University of Applied Sciences of Western Switzerland and the Chalmers University of Technology, Sweden.

S. Marelli co-authored a new paper comparing options for a European renewable energy supply grid. The paper is a result from a collaboration with IAAS Potsdam and the Climate Policy Group in ETH.

A former visiting scholar of the Chair (H. M. Kroetz) recently published a paper in collaboration with M. Moustapha, A.T. Beck and B. Sudret on reliability-based optimization problems in a life-cycle cost setting.

X. Zhu and B. Sudret published a new paper on emulating stochastic simulator responses with generalized lambda distributions.

A paper co-authored by S. Marelli and B. Sudret was recently published on MSSP, as a result of a collaboration with the University of Aarhus (G. Abbiati) and the ETH Chair of Structural Dynamics and Earthquake Engineering (B. Stojadinovic and N. Tsokanas).

Two papers resulting from a collaboration of the Chair with Télécom Paris (Dr. J. Wiart) and Université Paris-Saclay (Prof. D. Lesselier) have been recently published.

The GREYDIENT Innovative Training Network (ITN) on grey-box modelling and applications to reliable design and monitoring of complex systems has been approved. 

B. Sudret is co-author of a paper on the probability density evolution method applied to uncertainty quantification of non linear structures, in collaboration with Tongji University in Shanghai (China).

B. Sudret is co-author of a paper on estimating the surrogate model uncertainty in wind turbine reliability assessment, in collaboration with the University of Aalborg (Danemark) and the wind turbine company EMD International.

Members of our Chair authored two of the five papers published in the Volume 10, Issue 1 (2020) of the International Journal for Uncertainty Quantification.

M. Moustapha presented the strategy adopted by our Chair for the solution of the black-box reliability challenge alongside other participants.  He also introduced an upcoming UQLab module for active learning reliability.

The paper Polynomial-chaos-based kriging by Schöbi et al. is the most downloaded paper in the International Journal for Uncertainty Quantification. 

P.-R. Wagner and B. Sudret in collaboration with the Chair of Timber Structures published a paper on surrogate model accelerated calibration and sensitivity analysis of heat transfer models used in structural fire design.

The chair recently participated in the TNO black-box challenge, a challenge where participants are invited to test their own methods for the solution of truly black box structural reliability problems.

B. Sudret and J. Nagel published a paper combining surrogate models (principal component analysis and polynomial chaos expansions), sensitivity analysis and Bayesian model calibration in the field of urban drainage simulation.

Christos Lataniotis successfully defended his PhD thesis on "Data-driven uncertainty quantification for high-dimensional engineering problems". 

Xujia Zhu receives the SIAM Student Travel Award to attend the 2020 SIAM Conference on Uncertainty Quantification (UQ2020). This award corresponds to a complimentary registration to the conference and the reimbursement of the travel costs.

The 9th International Conference on Sensitivity Analysis of Model Output will be held in Barcelona between October 28-30, 2019.

A workshop titled Vine copulas and their applications will take place at TU Munich from July 8th and 9th. Emiliano Torre will give a talk about Vine copulas for uncertainty quantification: why and how?

The 3rd International Conference on Uncertainty Quantification in Computational Sciences and Engineering will be held in Hersonissos (Crete Island, Greece) on June 24-26, 2019.

Xujia Zhu received the 2019 CERRA student recognition award for his paper titled Surrogating the response PDF of stochastic simulators using generalized lambda distributions at the 13^th International Conference on Applications of Statistics and Probability in Civil Engineering in Seoul, Korea.

The 13th International Conference on Applications of Statistics and Probability in Civil Engineering will be held at Seoul National University (South Korea) between May 26-30, 2019. The Chair organizes a mini-symposium on “Surrogate Models for Uncertainty Quantification, Reliability and Sensitivity Analysis” together with Profs. J.-M. Bourinet (France), S. Mahadevan and A. Taflanidis (USA).

The conference proceedings of the 19th working conference of the IFIP Working Group 7.5 on Reliability and Optimization of Structural Systems (IFIP 2018) are now available.

Bruno Sudret gives a talk titled Data-based sparse polynomial chaos expansions: applications in dynamics and machine learning at the Uncertainty Quantification & Optimization Conference at the Sorbonne University in Paris, France.

The edition 2019 of the MASCOT-NUM annual conference will be held in Rueil-Malmaison, near Paris, from 18th to 20th March, 2019. 

Bruno Sudret gives an invited talk entitled Sparse polynomial chaos expansions for uncertainty quantification and global sensitivity analysis at the Ateliers de Modélisation de l’Atmosphère 2019 organized by MeteoFrance.

New paper published in Automatica in collaboration with NTNU Norway

The SIAM Conference on Computational Science and Engineering will take place in Spokane, Washington between February 25 - March 1, 2019.