%0 Journal Article %@ 2160-0503 %A Fernandez Caballero, Daniel %A Rodríguez de la Cruz, Víctor %A Muñoz Guijosa, Juan Manuel %D 2019 %F upm:63924 %I Scientific Research Publishing %J World Journal of Mechanics %K Pure Bending; Energy Storage; Composite Material; Extruded Cross-Section; Design Optimization %N 3 %P 53-66 %T Optimization of Energy Density in Girders under Pure Bending with an Extruded Monolithic Cross-Section %U https://oa.upm.es/63924/ %V 9 %X This article proposes use of extruded compound materials with optimized resistant cross-sections as an alternative, in this case, seeking the maximum energy density as a design criterion. The advantage of this proposal is that it extends the life cycle and decreases fatigue issues.