Research Article
Damage Localization in a Building Structure during Seismic Excitation
Table 7
Symbols used in this paper.
| | Shear wave velociy (m/s) | | Constant proportional to damping (Ns/m) | | Displacement (m) | | Velocity (m/s) | | Acceleration (m/s2) | | Ground motion (m) | | Ground acceleration (m/s2) | T | Time (s) | | Total height of the building (m) | | Height of the story (m) | | Step of discretization | | Shear wave velocities matrix (m/s) | | Constant proportional to the damping matrix (Ns/m) | | Banded matrix | | Boundary condition vector | | Number of floors | | Identity matrix | | Displacement matrix (m) | | Velocity matrix (m/s) | | Acceleration matrix (m/s2) | | Acceleration output (m/s2) | | Shear wave velocity vector (m/s) | | Constant proportional to the damping vector (Ns/m) | | Number of integrations over finite time intervals | | Size of the moving window | | Sampling time (s) | | Length of the time integration window | | Filtered displacement signals (m) | | Filtered velocity signals (m/s) | | Filtered acceleration signals (m/s2) | | Degree of freedom to normalize the amplitude of the filtered signals | | Covariance matrix | | Forgetting factor | | Estimation error | | Frequencies (Hz) | | Stiffness (N/m) | | Damping (Ns/m) | | Mass of the story (Kg) | | Lower bounds for estimated parameters | | Damage story location |
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