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Model-Form Uncertainty Quantification for Structural Design

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Encyclopedia of Earthquake Engineering

Synonyms

Additive Adjustment Factor; Adjustment Factor Approach; Bayesian Model Averaging; Bayes’ Theorem; Model Combination; Model-Form Uncertainty; Multiplicative Adjustment Factor; Probabilistic Adjustment Factor; Uncertainty; Uncertainty Quantification

Introduction

Multiple forms of uncertainty exist in the prediction of a system response through the use of any type of modeling process. These uncertainties can be thought of presenting in one of three forms: parametric, predictive, and model-form uncertainty (Kennedy and O’Hagan 2001). The first of these three forms, parametric uncertainty, refers to the natural variability present within any input parameter, parameter in which a given model is reliant for predicting the response of interest. The latter two forms of uncertainty, predictive and model-form uncertainty, refer to the natural variability present within the modeling process itself. Uncertainty quantification work in the literature has primarily focused on the...

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Correspondence to Ramana V. Grandhi .

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Grandhi, R.V., Fischer, C.C. (2015). Model-Form Uncertainty Quantification for Structural Design. In: Beer, M., Kougioumtzoglou, I., Patelli, E., Au, IK. (eds) Encyclopedia of Earthquake Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-36197-5_283-1

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  • DOI: https://doi.org/10.1007/978-3-642-36197-5_283-1

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