document

A Monomial Chaos Approach for Efficient Uncertainty Quantification in Computational Fluid Dynamics

Witteveen, J.A.S. (author), Bijl, H. (author)

A monomial chaos approach is proposed for efficient uncertainty quantification in nonlinear computational problems. Propagating uncertainty through nonlinear equations can still be computationally intensive for existing uncertainty quantification methods. It usually results in a set of nonlinear equations which can be coupled. The proposed...

conference paper 2006

document

A posteriori error analysis for stochastic finite element solutions of fluid flows with parametric uncertainties

Mathelin, L. (author), Le Maitre, O.P. (author)

Accounting for uncertainty in numerical simulations is a growing concern and a great deal of methods have recently been developed, such as the Polynomial Chaos which basically consists in a spectral approximation of the surface response of the solution by stochastic finite elements. However, criteria for refinement of the spectral space have so...

conference paper 2006

document

Efficient uncertainty quantification using a two-step approach with chaos collocation

Loeven, A. (author), Witteveen, J.A.S. (author), Bijl, H. (author)

In this paper a Two Step approach with Chaos Collocation for efficient uncertainty quantification in computational fluid-structure interactions is followed. In Step I, a Sensitivity Analysis is used to efficiently narrow the problem down from multiple uncertain parameters to one parameter which has the largest influence on the solution. In Step...

conference paper 2006

document

Reliable Computational Predictions by Modeling Uncertainties Using Arbitrary Polynomial Chaos

Witteveen, J.A.S. (author), Bijl, H. (author)

Inherent physical uncertainties can have a significant influence on computational predictions. It is therefore important to take physical uncertainties into account to obtain more reliable computational predictions. The Galerkin polynomial chaos method is a commonly applied uncertainty quantification method. However, the polynomial chaos...

conference paper 2006

document

A Monomial Chaos Approach for Efficient Uncertainty Quantification in Computational Fluid Dynamics

Witteveen, J.A.S. (author), Bijl, H. (author)

A monomial chaos approach is proposed for efficient uncertainty quantification in nonlinear computational problems. Propagating uncertainty through nonlinear equations can still be computationally intensive for existing uncertainty quantification methods. It usually results in a set of nonlinear equations which can be coupled. The proposed...

conference paper 2006

document

From data to performance system; identification uncertainty and robust control design

Douma, S.G. (author)

doctoral thesis 2006

document

Zicht op onzekerheden in de PKB Ruimte voor de Rivier: Onzekerheden in de hydraulische effecten van rivierverruimende maatregelen

Klis, H. van der. (author), Vuren, S. van. (author), Schijndel, S.A.H. van. (author)

report 2006

document

Onzekerheid afvoerverdeling splitsingspunten Rijn

Ogink, H.J.M. (author)

report 2006

document

Requirements for Flash Flood Hydrometeorological Monitoring

Delrieu, G. (author)

A report describing a method for uncertainty and sensitvity analysis that can be applied within the context of flood risk analysis

report 2006

document

Stochastic Flutter Analysis

Verhoosel, C.V. (author), Gutiérrez, M.A. (author), Hulshoff, S.J. (author)

The field of fluid-structure interaction is combined with the field of stochastics to perform a stochastic flutter analysis. Various methods to directly incorporate the effects of uncertainties in the flutter analysis are investigated. The panel problem with a supersonic fluid flowing over it is considered as a testcase. The stochastic moments ...

report 2006

document

Stochastic modelling of river morphodynamics

Van Vuren, B.G. (author)

Modern river management has to reconcile a number of functions, such as protection against floods and provision of safe and efficient navigation, floodplain agriculture, ecology and recreation. Knowledge on uncertainty in fluvial processes is important to make this possible, to design effective river engineering works, for operational...

doctoral thesis 2005

document

Uncertainty-based Design Optimization of Structures with Bounded-But-Unknown Uncertainties

Gurav, S.P. (author)

doctoral thesis 2005

document

The interaction between diesel engines, ship and propellers during manoeuvring

Schulten, P.J.M. (author)

doctoral thesis 2005

document

Spatial flood extent modelling. A performance based comparison

Werner, M.G.F. (author)

The rapid development of Geographical Information Systems (GIS) has together with the inherent spatial nature of hydrological modelling led to an equally rapid development in the integration between GIS and hydrological models. The advantages of integration are particularly apparent in flood extent modelling. In this thesis, the integration of...

doctoral thesis 2004

document

Baseline study uncertainty in flood quantiles

Passchier, R.H. (author), Weerts, A.H. (author), Klis, H. van der. (author)

report 2004

document

Probabilistic assessment of the performance of combined sewer systems

Korving, J.L. (author)

doctoral thesis 2004

document

Probabilistisch bepaald effect van retentie (rapport versie 1.1)

Klis, H. van der (author)

report 2004

document

Uncertainty Analysis applied to Numerical Models of River Bed Morphology

van der Klis, H. (author)

doctoral thesis 2003

document

Achtergronddocument voor aanvulling van het habitatinstrument: 1. Flexibilisering invoer; 2. Onzekerheidsanalyses; 3. Validatie

Lee, G.E.M. van der (author), Penning, W.E. (author), Duel, H. (author), Boogaard, H.F.P. van den (author)

report 2003

document

Post-processing tijdsignalen proefbouwkuip tunnel Rotterdam Noordrand

Wit, M.S. de (author)

report 2003