Curriculum Vitae

• since 2018: Research Assistant (Post-Doc) at the Engineering Risk Analysis Group, Technische Universität München
• 2012-2017: PhD student at the Engineering Risk Analysis Group, Technische Universität München
• 2014: Visiting Researcher, California Institute of Technology, Caltech, Pasadena, USA (2 months)
• 2011: Visiting Student Researcher, University of California, Berkeley (5 months)
• 2010-2012: Student of the Honors-Programms of the Bavarian Graduate School of Computational Engineering (BGCE)
• 2009-2012: Master of Science in Computational Mechanics, Technische Universität München
• 2005-2009: Dipl.-Ing. (FH) in Civil Engineering, at the Georg Simon Ohm University of Applied Sciences, Nürnberg

Selected publications

Uribe, F., Papaioannou, I., Betz, W., and Straub, D. Bayesian inference of random fields represented with the Karhunen–Loève expansion. Computer Methods in Applied Mechanics and Engineering, 358 (2020).

Betz, W., Papaioannou, I., Straub, D., and Heidkamp, H. Zuverlässigkeitsbewertung in der Geotechnik. Kolloquium Numerik in der Geotechnik, Bundesanstalt für Wasserbau, Karlsruhe, Germany (2019).

Betz, W., Beck, J. L., Papaioannou, I., and Straub, D. Bayesian inference with reliability methods without knowing the maximum of the likelihood function. Probabilistic Engineering Mechanics, 53:14–22 (2018).

Betz, W., Papaioannou, I., Beck, J. L., and Straub, D. Bayesian inference with Subset Simulation: Strategies and improvements. Computer Methods in Applied Mechanics and Engineering, 331:72–93 (2018).

Betz W., Papaioannou I. and Straub D. (2016). Transitional Markov Chain Monte Carlo: Observations and Improvements. Journal of Engineering Mechanics 142(5).
http://files.fesslix.org/publications/2016_JEM_Betz_etal_manuscript.pdf

Straub D., Papaioannou I., and Betz W. (2016). Bayesian analysis of rare events. Journal of Computational Physics, 314:538–556.

Betz W., Papaioannou I., Eckl M., Heidkamp H., Straub D. (2016). Reliability Analysis of a Tunnel Design with RELY. , SOFiSTiK Seminar 2016, München, Germany.
http://files.fesslix.org/publications/2016_SOFiSTiK_Betz_etal.pdf

Papaioannou I., Betz W., Zwirglmaier K., Straub D. (2015). MCMC algorithms for subset simulation. Probabilistic Engineering Mechanics 41: 89-103.
dx.doi.org/10.1016/j.probengmech.2015.06.006

Betz W., Papaioannou I., Straub D. (2014). Adaptive variant of the BUS approach to Bayesian updating. 9th International Conference on Structural Dynamics (EURODYN), 2014, Porto, Portugal. files.fesslix.org/publications/2014_EURODYN_Betz_etal.pdf

Betz W., Mok C.M., Papaioannou I., Straub D. (2014). Bayesian model calibration using structural reliability methods: application to the hydrological abc model. 2nd International Conference on Vulnerability and Risk Analysis and Management (ICVRAM), 2014, Liverpool, UK. files.fesslix.org/publications/2014_ICVRAM_Betz_etal.pdf

Betz W., Papaioannou I., Straub D. (2014). Numerical methods for the discretization of random fields by means of the Karhunen-Loève expansion Comput. Methods Appl. Mech. Engrg. 271 (2014) 109-129. http://files.fesslix.org/publications/2014_CMA_Betz_etal_manuscript.pdf

Betz W., Papaioannou I., Straub D. (2013). Assessment of methods for the numerical solution of the Fredholm integral eigenvalue problem. ICOSSAR 2013, New York, USA http://files.fesslix.org/publications/2013_ICOSSAR_Betz.pdf

Betz W., Papaioannou I., Straub D. (2012). A finite cell approach for discretization of random fields. International Probabilistic Workshop, Stuttgart, Germany. http://files.fesslix.org/publications/2012_IPW_Betz.pdf