Table 1 Shear vibration frequencies of the considered eight-story building, for the undamaged case (0) and under different damage scenarios, each one featuring a reduction by \(25\%\) of the stiffness at the inter-story corresponding to the scenario label

1

1.175

1.131

1.134

1.140

1.146

1.154

1.162

1.169

1.173

2

3.484

3.368

3.427

3.480

3.467

3.400

3.355

3.375

3.445

3

5.678

5.522

5.668

5.570

5.467

5.614

5.647

5.488

5.522

4

7.673

7.521

7.630

7.401

7.663

7.448

7.532

7.600

7.394

5

9.409

9.287

9.143

9.322

9.126

9.362

9.114

9.396

9.105

6

10.825

10.745

10.471

10.764

10.665

10.490

10.812

10.528

10.598

7

11.873

11.833

11.659

11.510

11.750

11.857

11.596

11.560

11.755

8

12.516

12.505

12.456

12.378

12.273

12.227

12.328

12.421

12.484