Journal
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE
Volume 52, Issue 3, Pages 1267-1278Publisher
SPRINGER
DOI: 10.1007/s11663-021-02089-7
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Funding
- NORCE Norwegian Research Centre AS
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Metamodels based on physics models were developed to approximate the input-output relationships in a database of simulations. These metamodels retain the generalization capabilities of the original model while being computationally lightweight.
Physics-based Finite Element Methods models can be used to investigate the electrical conditions in submerged arc furnaces (SAFs). However, their explicit solution may be very demanding in terms of time and computational resources. This makes these models difficult to employ during control operations and in fast prototyping. To obviate these inconveniences, we developed metamodels that are grounded on the physics-based model. In this context, a metamodel is a surrogate of an original model obtained using statistical analysis tools to determine approximate input-output relationships in a database of simulations from the original model. The metamodels for the SAF electrical conditions are shown to retain the same generalization capabilities as the original model while being computationally lightweight.
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