Optimization of energy dissipation of earthquake resistant building using GA & PBO

Earthquakes are one of nature's greatest hazards to life on this planet. Prevention of earthquake has become increasingly important in recent years. Numerous recent studies have been made for the stability and safety of structures furnished with different types of structural control systems, such as viscous dampers. A challenging issue in this field is the optimization of structural control systems to protect structures against severe earthquake excitation. As the safety of a structure depends on many factors, including the failure of structural members and movement of each structural node in any direction, the optimization technique must consider many parameters simultaneously. However, the available review for energy dissipation system based on earthquake applicable only to simple SDOF and MDOF system. Our optimization has based on pbo to minimize the effect of an earthquake on realistic structure responses, considered three directional displacements for structural nodes for seismic responses and safety excitation. This reports on the development of a multi objective optimization procedure for energy dissipation systems based on pollination based optimization, the model was applied to an example of three-dimensional reinforced concrete framed building and its structural seismic responses were investigated. The results showed that the optimized control system effectively reduced the seismic response of structures, thus enhancing building safety during earthquake excitations.