Model Uncertainty for Bilinear Hysteric Systems

John Dalsgaard Sørensen, Palle Thoft-Christensen

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Resumé

In structural reliability analysis at least three types of uncertainty must be considered, namely physical uncertainty, statistical uncertainty, and model uncertainty (see e.g. Thoft-Christensen & Baker [1]). The physical uncertainty is usually modelled by a number of basic variables by predictive density functions, Veneziano [2]. In general, model uncertainty is the uncertainty connected with mathematical modelling of the physical reality.

When structural reliability analysis is related to the concept of a failure surface (or limit state surface) in the n-dimension basic variable space then model uncertainty is at least due to the neglected variables, the modelling of the failure surface and the computational technique used.
OriginalsprogEngelsk
Udgivelses stedAalborg
ForlagInstitute of Building Technology and Structural Engineering
Antal sider16
StatusUdgivet - 1983
BegivenhedThe Proceedings of System Modelling and Optimization - Copenhagen, Danmark
Varighed: 25 jul. 198329 jul. 1983
NavnStructural Reliability Theory
Nummer1
Vol/bindIFB/A 8301

Konference

KonferenceThe Proceedings of System Modelling and Optimization
LandDanmark
ByCopenhagen
Periode25/07/198329/07/1983

Fingerprint

Reliability analysis
Uncertainty
Surface states
Probability density function

Bibliografisk note

Presented at the 11th IFIP Conference on "System and Optimization", Copenhagen, July, 1983. Proceedings published by Springer-Verlag, 1984

PDF for print: 16 pp.

Emneord

  • Physical Uncertainty
  • Model Uncertainty
  • Statistical Uncertainty
  • Limit State Surface
  • Failure Surface
  • Computational Technique
  • Stochastic Process
  • Dynamic Load
  • Hysteresis

Citer dette

Sørensen, J. D., & Thoft-Christensen, P. (1983). Model Uncertainty for Bilinear Hysteric Systems. Aalborg: Institute of Building Technology and Structural Engineering. Structural Reliability Theory, Nr. 1, Bind. IFB/A 8301
Sørensen, John Dalsgaard ; Thoft-Christensen, Palle. / Model Uncertainty for Bilinear Hysteric Systems. Aalborg : Institute of Building Technology and Structural Engineering, 1983. 16 s. (Structural Reliability Theory; Nr. 1, Bind IFB/A 8301).
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Sørensen, JD & Thoft-Christensen, P 1983, Model Uncertainty for Bilinear Hysteric Systems. Structural Reliability Theory, nr. 1, bind IFB/A 8301, Institute of Building Technology and Structural Engineering, Aalborg.

Model Uncertainty for Bilinear Hysteric Systems. / Sørensen, John Dalsgaard; Thoft-Christensen, Palle.

Aalborg : Institute of Building Technology and Structural Engineering, 1983. 16 s. (Structural Reliability Theory; Nr. 1, Bind IFB/A 8301).

Publikation: Bog/antologi/afhandling/rapportRapportForskning

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N2 - In structural reliability analysis at least three types of uncertainty must be considered, namely physical uncertainty, statistical uncertainty, and model uncertainty (see e.g. Thoft-Christensen & Baker [1]). The physical uncertainty is usually modelled by a number of basic variables by predictive density functions, Veneziano [2]. In general, model uncertainty is the uncertainty connected with mathematical modelling of the physical reality.When structural reliability analysis is related to the concept of a failure surface (or limit state surface) in the n-dimension basic variable space then model uncertainty is at least due to the neglected variables, the modelling of the failure surface and the computational technique used.

AB - In structural reliability analysis at least three types of uncertainty must be considered, namely physical uncertainty, statistical uncertainty, and model uncertainty (see e.g. Thoft-Christensen & Baker [1]). The physical uncertainty is usually modelled by a number of basic variables by predictive density functions, Veneziano [2]. In general, model uncertainty is the uncertainty connected with mathematical modelling of the physical reality.When structural reliability analysis is related to the concept of a failure surface (or limit state surface) in the n-dimension basic variable space then model uncertainty is at least due to the neglected variables, the modelling of the failure surface and the computational technique used.

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Sørensen JD, Thoft-Christensen P. Model Uncertainty for Bilinear Hysteric Systems. Aalborg: Institute of Building Technology and Structural Engineering, 1983. 16 s. (Structural Reliability Theory; Nr. 1, Bind IFB/A 8301).