Machine learning-based multiscale constitutive modelling: Development and application to dual-porosity mass transfer
Mark Ashworth,
Ahmed Elsheikh,
Florian Doster
Abstract:In multiscale modelling, multiple models are used simultaneously to describe scale-dependent phenomena in a system of interest. Here we introduce a machine learning (ML)-based multiscale modelling framework for modelling hierarchical multiscale problems. In these problems, closure relations are required for the macroscopic problem in the form of constitutive relations. However, forming explicit closures for nonlinear and hysteretic processes remains challenging. Instead, we provide a framework for learning con… Show more
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