方法对比
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| BEM地质力学× | 增量动力分析× | |
|---|---|---|
| 领域 | 土木工程 | 土木工程 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1978 | 2002 |
| 提出者≠ | Carlos Alberto Brebbia | Dimitrios Vamvatsikos and C. Allin Cornell |
| 类型≠ | Mesh-less numerical method for geomechanical problems | Intensity-based dynamic analysis for fragility assessment |
| 开创性文献≠ | Brebbia, C. A. (1978). The Boundary Element Method for Engineers. Pentech Press. ISBN: 0-08-020191-5 | Vamvatsikos, D., & Cornell, C. A. (2002). Incremental dynamic analysis of seismic performance of structures. Earthquake Engineering & Structural Dynamics, 31(3), 491-514. DOI ↗ |
| 别名 | Boundary element method, BEM analysis, Indirect methods | IDA, Intensity-based analysis, Fragility curve development |
| 相关 | 3 | 3 |
| 摘要≠ | The boundary element method (BEM) for geomechanics is a numerical approach that solves problems by discretizing only the boundary of the domain, using analytical solutions for the interior. Introduced by Brebbia in 1978 and refined for geotechnical applications by Crouch and Starfield, BEM is particularly effective for infinite or semi-infinite domains (underground excavations, foundations, rock masses) where finite element methods are impractical. | 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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