Discrete material and thickness optimization of pop-up seat frame in static condition

A simple model of a retractable seat frame for recreational vehicles (RVs), whose thickness and material were not fixed, was investigated. Tests were conducted to secure accurate material properties for finite element analysis (FEA), and constraints were set based on the Federal Motor Vehicle Safety Standards (FMVSS) 207 and FMVSS 210 tests. The results of DMTO were compared with those of discrete thickness optimization (DTO) to verify the validity of the design parameters.