|About this Abstract
||2018 TMS Annual Meeting & Exhibition
||Design for Mechanical Behavior of Architectured Materials via Topology Optimization
||Optimal Design of Architected Materials with Extreme Energy Dissipation
||Lorenzo Valdevit, Alireza Asadpoure, Babak Haghpanah
|On-Site Speaker (Planned)
Architected cellular materials have been extensively investigated over the past two decades, for their potential to achieve combinations of properties unavailable in any existing monolithic material. One technological challenge that can be elegantly addressed by architected materials is the design of lightweight solids which simultaneously exhibit high stiffness and high energy dissipation. In this talk, we will discuss two different approaches to achieve this goal. First, we present a novel multi-phase topology optimization algorithm to design the unit cell topology of a periodic metal/elastomer cellular material with exceptional combinations of high stiffness, low density and high loss coefficient under wave propagation. Second, we present a numerical tool for the design of a single-phase elastic cellular material encompassing carefully positioned negative stiffness elements, optimized for exceptional combinations of stiffness, strength and loss coefficient under quasi-static and cyclic loads. The exceptional multifunctional performance predicted by the models is demonstrated experimentally.
||Planned: Supplemental Proceedings volume