Iason Papaioannou, Dr.-Ing.

Room: N3631

Phone: +49 89 289 25038

E-Mail: iason.papaioannou@tum.de

Office hours: by arrangement

Curriculum Vitae

  • since 2011: Research Assistant at the Engineering Risk Analysis Group, Technische Universität München
  • 2010: Visiting Researcher, University of California, Berkeley
  • 2007-2012: Ph.D. in Civil Engineering at the Chair of Computation in Engineering, Technische Universität München - Funded by SOFiSTiK AG
  • 2005-2007: M.Sc. (Hons.) in Computational Mechanics, Technische Universität München
  • 1999-2005: Diploma in Civil Engineering, National Technical University of Athens (NTUA)

Research interests

  • Uncertainty quantification of numerical models of engineering systems
  • Reliability assessment of high dimensional problems
  • Bayesian updating of engineering models with data
  • Uncertainty-based sensitivity analysis
  • Reliability analysis/updating and reliability-based design of geotechnical structures
  • Stochastic finite element methods
  • Random field models of spatially variable properties


  • Stochastic Finite Element Methods (since WS11/12)
  • Structural Reliability Methods (since WS14/15)
  • Estimation of Rare Events and Failure Probabilities (since SS18)
  • Advanced Stochastic Finite Element Methods (SS15, SS16, SS17, SS18)
  • Engineering Data Analysis with Matlab (SS12, SS13, SS14)

Key publications

Papaioannou I., Geyer S., Straub D. (2019)
Imrpoved cross entropy-based importance sampling with a flexible mixture model.
Reliability Engineering & System Safety 191: 106564. https://doi.org/10.1016/j.ress.2019.106564

Papaioannou I., Ehre M., Straub D. (2019)
PLS-based adaptation for efficient PCE representation in high dimensions.
Journal of Computational Physics 387: 186-204. http://doi.org/10.1016/j.jcp.2019.02.046

Geyer S., Papaioannou I., Straub D. (2019) 
Cross entropy-based importance sampling using Gaussian densities revisited.
Structural Safety, 76: 15-27. http://doi.org/10.1016/j.strusafe.2018.07.001

Papaioannou I., Breitung K., Straub D. (2018)
Reliability sensitivity estimation with sequential importance sampling.
Structural Safety 75: 24-34. http://doi.org/10.1016/j.strusafe.2018.05.003

Betz W., Papaioannou I., Beck J. L., Straub D. (2018) 
Bayesian inference with subset simulation: Strategies and improvements.
Computer Methods in Applied Mechanics and Engineering 331: 72-93. http://doi.org/10.1016/j.cma.2017.11.021

Papaioannou I., Straub D. (2017)
Learning soil parameters and updating geotechnical reliability estimates under spatial variability - theory and application to shallow foundations.
Georisk: Assessment and Management of Risk for Engineering Systems and Geohazards11(1): 116-128. http://dx.doi.org/10.1080/17499518.2016.1250280

Papaioannou I., Papadimitriou C., Straub D. (2016)
Sequential importance sampling for structural reliability analysis.
Structural Safety 62: 66-75. http://dx.doi.org/10.1016/j.strusafe.2016.06.002

Straub D., Papaioannou I., Betz W. (2016)
Bayesian analysis of rare events.
Journal of Computational Physics 314: 538-556. http://dx.doi.org/10.1016/j.jcp.2016.03.018

Betz W., Papaioannou I., Straub D. (2016)
Transitional Markov chain Monte Carlo: Observations and improvements.
Journal of Engineering Mechanics, ASCE 142(5): 04016016. http://dx.doi.org/10.1061/(ASCE)EM.1943-7889.0001066

Ullmann E., Papaioannou I. (2015)
Multilevel estimation of rare events.
SIAM/ASA Journal on Uncertainty Quantification 3: 922-953. dx.doi.org/10.1137/140992953

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

Straub D., Papaioannou I. (2015)
Bayesian updating with structural reliability methods.
Journal of Engineering Mechanics, ASCE 141(3): 04014134. dx.doi.org/10.1061/(ASCE)EM.1943-7889.0000839

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: 109-129. dx.doi.org/10.1016/j.cma.2013.12.010

Papaioannou I., Gao R., Rank E., Wang C. M. (2013)
Stochastic hydroelastic analysis of pontoon-type very large floating structures considering directional wave spectrum.
Probabilistic Engineering Mechanics 33: 26-37. http://dx.doi.org/10.1016/j.probengmech.2013.01.006

Papaioannou, I., Straub, D. (2012)
Reliability updating in geotechnical engineering including spatial variability of soil.
Computers and Geotechnics 42: 44-51. dx.doi.org/10.1016/j.compgeo.2011.12.004

Profile at Google Scholar