Design of mechanical heterogeneous specimens using topology optimization Bruno Barroqueiro Active Space Technologies, Actividades Aeroespaciais S.A.; Department of Mechanical Engineering & TEMA, University of Aveiro António Andrade-Campos Department of Mechanical Engineering & TEMA, University of Aveiro João Dias de Oliveira Department of Mechanical Engineering & TEMA, University of Aveiro Robertt Valente Department of Mechanical Engineering & TEMA, University of Aveiro Abstract No abstract available. PDF Published 2021-06-19 Issue Vol 11 (2020) Section Research highlights