Three-dimensional stress-based topology optimization using SIMP method Hailu Shimels Gebremedhen, Dereje Engida Woldemicahel and Fakheruldin M. Hashim Int. J. Simul. Multidisci. Des. Optim., 10 (2019) A1 Published online: 12 March 2019 DOI: 10.1051/smdo/2019005