A Novel Combination Co-Kriging Model Based on Gaussian Random Process

Huan Xie, Wei Zeng, Hong Song, Wen Sun and Tao Ren

Mathematical Problems in Engineering, 2018, vol. 2018, 1-10

Abstract:

Co-Kriging (CK) modeling provides an efficient way to predict responses of complicated engineering problems based on a set of sample data obtained by methods with varying degree of accuracy and computation cost. In this work, the Gaussian random process (GRP) is introduced to construct a novel combination CK model (CK-GRP) to improve the prediction accuracy of the conventional CK model, in which all the sample information provided by different correlation models is well utilized. The features of the new model are demonstrated and evaluated for a numerical case and an engineering application. It is shown that the CK-GRP model proposed in this work is effective and can be used to improve the prediction accuracy and robustness of the CK model.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:6372572

DOI: 10.1155/2018/6372572

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