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  4. A new pattern recognition method for parametric modelling of random fields
 
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A new pattern recognition method for parametric modelling of random fields

Publikationstyp
Conference Paper
Date Issued
2011
Sprache
English
Author(s)
Klostermann, Sönke  
Vogt, Dietmar  
Lippert, Stephan  
Estorff, Otto von  
Institut
Modellierung und Berechnung M-16  
TORE-URI
http://hdl.handle.net/11420/12156
Citation
Proceedings of the 13th International Conference on Civil, Structural and Environmental Engineering Computing. - Kippen, 2011 (): - (2011)
Contribution to Conference
13th International Conference on Civil, Structural and Environmental Engineering Computing, CC 2011  
Scopus ID
2-s2.0-84858402403
Publisher
Civil-Comp Press
To predict more reliably the real system's behaviour by means of simulation, probabilistic models can be created that account for aleatory uncertainties. Local effects of uncertainty can be modelled by random fields in the n-dimensional feature space. In this paper general constraints for the parameterisation of random fields are identified. A new multi-scale method for a pattern recognition based parameter-isation of random fields is developed: The approximated differential scale-space (ADSS). The ADSS yields parameter sets that describe the relevant characteristics of the random field and allows synthesising of simulation samples. The capabilities of the new method are demonstrated for one- and two-dimensional application examples. © Civil-Comp Press, 2011.
Subjects
Finite element analysis
Monte Carlo simulation
Pattern recognition
Random field
Scale-space theory
Uncertainty quantification
DDC Class
004: Informatik
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