Vertaile menetelmiä
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| Epälineaarinen aikahistoria-analyysi× | Inkrementaalinen dynaaminen analyysi× | |
|---|---|---|
| Tieteenala | Rakennustekniikka | Rakennustekniikka |
| Menetelmäperhe | Process / pipeline | Process / pipeline |
| Syntyvuosi≠ | 1959 | 2002 |
| Kehittäjä≠ | Nathan M. Newmark | Dimitrios Vamvatsikos and C. Allin Cornell |
| Tyyppi≠ | Time-stepping numerical method for earthquake engineering | Intensity-based dynamic analysis for fragility assessment |
| Alkuperäislähde≠ | Newmark, N. M. (1959). A method of computation for structural dynamics. Journal of the Engineering Mechanics Division, 85(3), 67-94. DOI ↗ | Vamvatsikos, D., & Cornell, C. A. (2002). Incremental dynamic analysis of seismic performance of structures. Earthquake Engineering & Structural Dynamics, 31(3), 491-514. DOI ↗ |
| Rinnakkaisnimet | Nonlinear dynamic analysis, Step-by-step integration, Time domain analysis | IDA, Intensity-based analysis, Fragility curve development |
| Liittyvät≠ | 4 | 3 |
| Tiivistelmä≠ | Nonlinear time-history analysis is a numerical method that solves the equations of motion step-by-step in the time domain, using recorded or synthetic earthquake ground motions as input. Developed by Newmark in 1959, this approach captures the full dynamic response of structures including material nonlinearity, geometric effects, and energy dissipation mechanisms. | 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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