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| Anàlisi de l'Espectre de Resposta× | Anàlisi Dinàmica Incremental× | |
|---|---|---|
| Camp | Enginyeria civil | Enginyeria civil |
| Família | Process / pipeline | Process / pipeline |
| Any d'origen≠ | 1941 | 2002 |
| Autor original≠ | George W. Housner | Dimitrios Vamvatsikos and C. Allin Cornell |
| Tipus≠ | Linear modal analysis for earthquake response | Intensity-based dynamic analysis for fragility assessment |
| Font seminal≠ | Housner, G. W. (1941). Calculating the response of an oscillator to arbitrary ground motion. Bulletin of the Seismological Society of America, 32(2), 143-149. link ↗ | Vamvatsikos, D., & Cornell, C. A. (2002). Incremental dynamic analysis of seismic performance of structures. Earthquake Engineering & Structural Dynamics, 31(3), 491-514. DOI ↗ |
| Àlies | Elastic response spectrum, Design spectrum method, Modal response spectrum | IDA, Intensity-based analysis, Fragility curve development |
| Relacionats≠ | 4 | 3 |
| Resum≠ | Response spectrum analysis is a linear modal method for estimating earthquake-induced forces and displacements in structures. Introduced by Housner in 1941, this approach uses design spectra that represent the maximum response of single-degree-of-freedom oscillators at different natural frequencies to compute the structural response by combining modal contributions. | Incremental dynamic analysis (IDA) is a method that runs time-history analyses on a structure with a single ground motion record, progressively increasing the intensity until the structure reaches a specified performance level or collapses. Introduced by Vamvatsikos and Cornell in 2002, this approach efficiently generates fragility curves relating earthquake intensity to structural damage and collapse probability. |
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