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Residual bias in a multiphase flow model calibration and prediction

Acta Universitatis Carolinae, Geologica

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Abstract

When calibrated models produce biased residuals, we assume it is due to an inaccurate conceptual model and revise the model, choosing the most representative model as the one with the best-fit and least biased residuals. However, if the calibration data are biased, we may fail to identify an acceptable model or choose an incorrect model. Conceptual model revision could not eliminate biased residuals during inversion of simulated DNAPL migration under controlled conditions at the Borden Site near Ontario Canada. This paper delineates hypotheses for the source of bias, and explains the evolution of the calibration and resulting model predictions.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Residual bias in a multiphase flow model calibration and prediction
Series title:
Acta Universitatis Carolinae, Geologica
Volume
46
Issue:
2-3
Year Published:
2002
Language:
Czech
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Acta Universitatis Carolinae, Geologica
First page:
208
Last page:
212
Number of Pages:
5