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Prediction of thermal conductivity of granitic rock: an application of arithmetic and salp swarm algorithms optimized ANN

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Abstract

Thermal conductivity (TC) is an important rock property as it determines its energy transfer potential. Compared with other rock properties like uniaxial comprehensive strength (UCS), it is rarely investigated. Hence, novel Arithmetic and Salp swarm optimized artificial neural network (ANN) models are used to predict the thermal conductivity of granitic rock based on the results of non-destructive tests. Fifty (50) core samples were obtained from the study location and tested in the laboratory. The results obtained from the laboratory investigations were used to perform the ordinary ANN and the optimized ANN models. The outcomes showed that the performances of the optimized ANN models are better than the ordinary ANN model. The results were also compared with the multiple linear regression model (MLR) although the predictive strength of the MLR model is extremely low. The proposed models were mathematically transformed into simple mathematical models, and a graphic user interface (GUI) prepared with the Visual basic programming language was developed. The proposed models can be practically implemented for TC prediction.

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Data availability

The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

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Funding

This work was supported by Korea Research Fellowship Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science and ICT (Grant No. 2019H1D3A1A01102993) and the Inha University Research Grant (2022).

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Contributions

All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Kwon and Lawal. The first draft of the manuscript was written by Lawal. All authors read and approved the final manuscript.

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Correspondence to Sangki Kwon.

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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Communicated by: H. Babaie

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Lawal, A.I., Kwon, S., Kim, M. et al. Prediction of thermal conductivity of granitic rock: an application of arithmetic and salp swarm algorithms optimized ANN. Earth Sci Inform 15, 2303–2317 (2022). https://doi.org/10.1007/s12145-022-00880-x

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  • DOI: https://doi.org/10.1007/s12145-022-00880-x

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