Passive energy dampers are as an effective lateral load resistance systems comparison to other lateral load resistance systems. The metallic passive energy dampers are acceptable among other damper because of simplicity in putting up, availability of the equipment and materials. In other hand, these dampers had a good performance in laboratories and last earthquakes. However these dampers excel from other ones but it does not applicable for general buildings.
Therefore, an innovative passive energy damper have introduced that the main feature of its performance is shear yielding of the proposed damper. It has a high simplicity in installation and good capability for repairing after strong earthquake. Numerical results showed that the proposed damper enhances the seismic parameters of the structures. The proposed damper increases ductility, capacity, stiffness, damping ratio. Also, in this article required equations for designing of the damper have been introduced.