Optimum Design of a New Hysteretic Dissipater - Design Optimization of Active and Passive Structural Control Systems - page 288

Figure 10. a) Plastic deformation and b) instability mode of the 20 kN aluminum device with 12 openings
Figure 11. a) Plastic deformation and b) instability mode of the 40 kN device with 12 openings
Figure 12. a) Plastic deformation and b) instability mode of the 80 kN device with 12 openings