Publications

Journal publications

Conference papers

Reliability Analysis of a Tunnel Design with RELY. W. Betz & I. Papaioannou & M. Eckl & H. Heidkamp and D. Straub, SOFiSTiK Seminar 2016, München, Germany.


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

Adaptive variant of the BUS approach to Bayesian updating. W. Betz & I. Papaioannou and D. Straub, 9th International Conference on Structural Dynamics (EURODYN), 2014, Porto, Portugal.


Assessment of methods for the numerical solution of the Fredholm integral eigenvalue problem. W. Betz & I. Papaioannou and D. Straub, 11th International Conference on Structural Safety & Risk (ICOSSAR), 2013, New York, USA.

A finite cell approach for discretization of random fields. W. Betz & I. Papaioannou and D. Straub, 10th International Probabilistic Workshop, 2012, Stuttgart, Germany.



Ein Dom aus Nudeln - Traglastwettbewerb an der Hochschule Nürnberg. W. Betz, SOFiSTiK Seminar 2010, Nürnberg, Germany.


Presentations

An efficient MCMC algorithm for Subset Simulation. W. Betz, Seminars in Engineering Risk Analysis & Probabilistic Modelling, Engineering Risk Analysis Group, TU München, Germany (2016).

Reliability Analysis of a Tunnel Design with RELY. W. Betz & I. Papaioannou & M. Eckl & H. Heidkamp and D. Straub, SOFiSTiK Seminar 2016, München, Germany.

Subset Simulation: observations and strategies to enhance its performance. W. Betz & I. Papaioannou and D. Straub, SIAM Conference on Uncertainty Quantification, 2016, EPFL Campus, Lausanne, Switzerland.

Bayesian inference with Subset Simulation: strategies and improvements. W. Betz, Seminars in Engineering Risk Analysis & Probabilistic Modelling, Engineering Risk Analysis Group, TU München, Germany (2016).

Comparison of BUS with TMCMC for Bayesian updating and model class selection. W. Betz & I. Papaioannou and D. Straub, 1st International Conference on Uncertainty Quantification in Computational Sciences and Engineering (UNCECOMP), 2015, Crete Island, Greece.

Enhancements of the Transitional MCMC method for Bayesian updating. W. Betz, Seminars in Engineering Risk Analysis & Probabilistic Modelling, Engineering Risk Analysis Group, TU München, Germany (2014).

Bayesian Model Calibration using Structural Reliability Methods: Application to the Hydrological abc Model. W. Betz & C.M. Mok & I. Papaioannou and D. Straub, 2nd International Conference on Vulnerability and Risk Analysis and Management (ICVRAM), 2014, Liverpool, UK.

Adaptive Variant of the BUS approach to Bayesian updating. W. Betz & I. Papaioannou and D. Straub, 9th International Conference on Structural Dynamics (EURODYN), 2014, Porto, Portugal.


Bayesian updating: formulating the likelihood for problems with an unknown error structure. W. Betz, Seminars in Engineering Risk Analysis & Probabilistic Modelling, Engineering Risk Analysis Group, TU München, Germany (2014).

Assessment of methods for the numerical solution of the Fredholm integral eigenvalue problem. W. Betz & I. Papaioannou and D. Straub, 11th International Conference on Structural Safety & Risk (ICOSSAR), 2013, New York, USA.

Uncertainties in Flood Forecasting Systems. W. Betz, Seminars in Engineering Risk Analysis & Probabilistic Modelling, Engineering Risk Analysis Group, TU München, Germany (2013).


A finite cell approach for discretization of random fields. W. Betz & I. Papaioannou and D. Straub, 10th International Probabilistic Workshop, 2012, Stuttgart, Germany.


Assessment of methods for the numerical solution of the Fredholm integral eigenvalue problem in the Karhunen-Loève expansion. W. Betz & I. Papaioannou and D. Straub, Workshop on Structural Reliability, Risk Assessment and Decision-Making: Past, Present, Future, TU München, Germany (2012).

Discretization of Random Fields Based on the Karhunen-Loève Expansion Using the Finite Cell Method. W. Betz, Presentation of the Master's thesis at SOFiSTiK, Oberschleißheim, Germany (2012).

Discretization of Random Fields Based on the Karhunen-Loève Expansion Using the Finite Cell Method. W. Betz, Presentation of the Master's thesis at the Chair for Computation in Engineering, TU München, Germany (2012).

Quasi meshless discretization of random fields based on the Karhunen-Loève expansion. W. Betz, Seminars in Engineering Risk Analysis & Probabilistic Modelling, Engineering Risk Analysis Group, TU München, Germany (2012).

Quasi meshless discretization of random fields based on the Karhunen-Loève expansion. W. Betz, Reliability Seminar of Prof. Armen Der Kiureghian, University of California, Berkeley, USA (2011).

Polynomial Chaos Approximations of Random Variables - non intrusive spectral methods. W. Betz, Research Day of the Bavarian Graduate School of Computational Engineering, TU München, Germany (2012).

Posters

Bayesian Updating – Development of efficient numerical methods. W. Betz, Engineering Risk Analysis Group, TU München, Germany (2014).


Quasi meshless discretization of random fields based on the Karhunen-Loève expansion. W. Betz, Poster summarizing the Master's thesis for the Master of Science program Computational Mechanics, TU München, Germany (2014).

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