Shock and Vibration

Research Article

Optimal Allocation and Control of Magnetorheological Dampers for Enhancing Seismic Performance of the Adjacent Structures Using Whale Optimization Algorithm

Table 3

Structural parameters of the adjacent buildings [31].
ParametersStructure 1Structure 2
Number of stories2010
Structural mass, mi8 × 105 kgm1 = 2.15 × 105 kg
mi = 2.01 × 105 kg, i = 2, 3, …, 7
mi = 2.03 × 105 kg, i = 8, 9
mi = 1.76 × 105 kg, i = 10
Structural stiffness, ki1.4 × 109 N/mk1 = 4.68 × 108 N/m, k2 = 4.76 × 108 N/m
k3 = 4.68 × 108 N/m
ki = 4.5 × 108 N/m, i = 4, 5, 6, 7
ki = 4.37 × 108 N/m, i = 8, 9
ki = 3.12 × 108 N/m, i = 10
Structural damping, ci4.375 × 106 Ns/mc1 = 1.676 × 106 Ns/m, c2 = 1.648 × 106 Ns/m
c3 = 1.585 × 106 Ns/m, c4 = 1.585 × 106 Ns/m
c5 = 1.539 × 106 Ns/m, c6 = 1.539 × 106 Ns/m
c7 = 1.539 × 106 Ns/m, c8 = 1.539 × 106 Ns/m
c9 = 1.099 × 106 Ns/m, c10 = 1.146 × 106 Ns/m