Writing on physics-based modelling and AI in heavy industry, by George Drakoulas, PhD.https://newtonandnetworks.com/https://newtonandnetworks.com/blog/surrogate-models/https://newtonandnetworks.com/blog/surrogate-models/A four-hour simulation run is fine for validation and useless for exploration. What changes when you need an answer in seconds, and where it stops being trustworthy.Tue, 15 Sep 2026 00:00:00 GMTmaritimesurrogate modelsgeometric deep learningdigital twins