方法对比
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| 非线性时程分析× | 静力弹塑性分析× | |
|---|---|---|
| 领域 | 土木工程 | 土木工程 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1959 | 1996 |
| 提出者≠ | Nathan M. Newmark | Peter Fajfar |
| 类型≠ | Time-stepping numerical method for earthquake engineering | Nonlinear static method for earthquake engineering |
| 开创性文献≠ | Newmark, N. M. (1959). A method of computation for structural dynamics. Journal of the Engineering Mechanics Division, 85(3), 67-94. DOI ↗ | Ahi, N., Desroches, R., & Jain, A. (1996). Lateral load distribution for equivalent static analysis of buildings. Engineering Journal, 33(2), 45-54. link ↗ |
| 别名≠ | Nonlinear dynamic analysis, Step-by-step integration, Time domain analysis | Static pushover, Nonlinear static analysis |
| 相关 | 4 | 4 |
| 摘要≠ | 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. | Pushover analysis is a nonlinear static method for assessing seismic structural performance. Introduced by Fajfar in 1996 as part of the N2 method, it progressively increases lateral loads on a structure until it reaches a target displacement, revealing how structures deform and yield under seismic events. |
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