Research

• Discretization/simulation of random fields
• Reliability assessment of high dimensional problems
• Reliability analysis/updating and reliability-based design of geotechnical structures
• Stochastic finite element methods
• Stochastic hydroelastic analysis of floating offshore structures

Teaching

• Stochastic Finite Element Methods (since WS11/12)
• Advanced Stochastic Finite Element Methods (since SS15)
• Engineering Data Analysis with Matlab (SS12, SS13, SS14)
• Structural Reliability Methods (since WS14/15)

Selected publications

Papaioannou I., Straub D. (2016)
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 Geohazards. 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)
Adaptive variant of the BUS approach to Bayesian updating.
Proc. 9th European Conference on Structural Dynamics, EURODYN, Porto, Portugal.

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., Betz W., Straub D. (2013)
Bayesian model updating of a tunnel in soft soil with settlement measurements.
Proc. 4th International Symposium on Geotechnical Safety and Risk, Hong Kong.

Papaioannou I., Breitung K., Straub D. (2013)
Reliability sensitivity analysis with Monte Carlo methods.
Proc. 11th International Conference on Structural Safety and Reliability, New York, USA.

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., Zwirglmaier K., Straub D. (2012)
Assessment of MCMC algorithms for subset simulation.
Proc. IFIP WG7.5 Working Conference on Reliability and Optimization of Structural Systems, Yerevan, Armenia.

Straub D., Papaioannou I., Michalski A. (2012)
Designing for wind actions based on time-domain analysis: Accounting for statistical uncertainty.
Proc. IFIP WG7.5 Working Conference on Reliability and Optimization of Structural Systems, Yerevan, Armenia.

Papaioannou I., Gao R., Rank E., Wang C. M. (2012)
Hydroelastic analysis of pontoon-type very large floating structures in random seas.
Proc. Fifth Asian-Pacific Symposium on Structural Reliability and its Applications, Singapore.

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

Straub D., Lentz. A., Papaioannou I., Rackwitz R. (2011)
Life quality index for assessing risk acceptance in geotechnical engineering.
Proc. 3rd International Symposium on Geotechnical Safety and Risk, (eds. N. Vogt, B. Schuppener, D. Straub and G. Bräu), Munich, Germany. ISBN: 978-3-939230-01-4

Heidkamp H., Papaioannou I. (2011)
Performance based design and Eurocode.
Proc. 3rd International Symposium on Geotechnical Safety and Risk, (eds. N. Vogt, B. Schuppener, D. Straub and G. Bräu), Munich, Germany. ISBN: 978-3-939230-01-4

Papaioannou I., Der Kiureghian, A. (2010)
Reliability-based design of slope angle considering spatial variability of soil material.
Proc. Computational Stochastic Mechanics, CSM VI (eds. G. Deodatis and P.D. Spanos), Rhodes, Greece. http://dx.doi.org/10.3850/978-981-08-7619-7_P049

Papaioannou I., Straub, D. (2010)
Geotechnical reliability updating using stochastic FEM.
Proc. IFIP WG7.5 Working Conference on Reliability and Optimization of Structural Systems, (ed. D. Straub), Munich, Germany. ISBN: 978-0-415-88179-1

Papaioannou I., Heidkamp H., Düster A., Kollmannsberger S., Rank E., Katz C. (2009)
The subset simulation applied to the reliability analysis of a nonlinear geotechnical finite element model. Proc. 7th International Probabilistic Workshop (eds. P. Van Gelder, D. Proske and H. Vrijling), Delft, The Netherlands. ISBN: 978-3-00-025048-4

Papaioannou I., Heidkamp H., Düster A., Rank E., Katz C. (2009)
Integration of reliability methods into a commercial finite element software package.
Proc. 10th International Conference on Structural Safety and Reliability (eds. H. Furuta, D. M. Frangopol and M. Shinozuka), Osaka, Japan. ISBN: 978-0-415-47557-0

Papaioannou I., Heidkamp H., Düster A., Rank E., Katz C. (2009)
Random field reliability analysis as a means for risk assessment in tunnelling.
Proc. 2nd International Conference on Computational Methods in Tunnelling, EURO:TUN 2009 (eds. G. Meschke, G. Beer, J. Eberhardsteiner, D. Hartmann and M. Thewes), Bochum, Germany. ISBN: 978-3-931681-93-7

Papaioannou I., Heidkamp H., Düster A., Rank E., Katz C. (2008)
Towards efficient reliability methods with applications to industrial problems.
Proc. Ninth International Conference on Computational Structures Technology (eds. B.H.V. Topping and M. Papadrakakis), Athens, Greece. dx.doi.org/10.4203/ccp.88.106

Papaioannou I., Fragiadakis M., Papadrakakis M. (2005)
Inelastic analysis of framed structures using the fiber approach
Proc. 5th GRACM International Congress on Computational Mechanic, Limassol, Cyprus