List of Articles Permanent magnet motor designparticle swarm algorithmoptimizationFEA Open Access Article Abstract Page Full-Text 1 - Optimum Design of Out-runner PM BLDC Motor with High Torque Density for Flywheel Applications as Energy Storages: Design, FEA and Fabrication O. Safdarzadeh H. Torkaman Mohammad Mahdavy Fakhr