Proceedings of the International Conferences on Digital Technology Driven Engineering 2025

This book gathers the latest advances, innovations, and applications in the field of engineering optimization, presented at the 3rd Engineering and Applied Sciences Optimization (OPT-iii2025), held in Amman, Jordan, on December 18–20, 2025, jointly with conferences OPTARCH2025, ADDOPT2025 and DiGiCES2025. It covers topics such as shape and topology optimization, structural optimization, optimization in micro- and nano-mechanics, lifecycle design optimization and structural health monitoring, multidisciplinary and multiphysics design optimization, multiple criteria decision-making and optimization. Written by leading researchers and engineers, and selected by means of a rigorous international peer-review process, the contributions highlight numerous exciting ideas that spur novel research directions and foster multidisciplinary collaborations.