方法对比
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| 有限条法× | BEM地质力学× | 增量动力分析× | |
|---|---|---|---|
| 领域 | 土木工程 | 土木工程 | 土木工程 |
| 方法族 | Process / pipeline | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1976 | 1978 | 2002 |
| 提出者≠ | Y. K. Cheung | Carlos Alberto Brebbia | Dimitrios Vamvatsikos and C. Allin Cornell |
| 类型≠ | Reduced-dimension numerical method for prismatic structures | Mesh-less numerical method for geomechanical problems | Intensity-based dynamic analysis for fragility assessment |
| 开创性文献≠ | Cheung, Y. K. (1976). Finite Strip Method in Structural Analysis. Pergamon Press. ISBN: 0-08-020191-5 | 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 | FSM, Strip method, Semi-analytical finite element | Boundary element method, BEM analysis, Indirect methods | IDA, Intensity-based analysis, Fragility curve development |
| 相关 | 3 | 3 | 3 |
| 摘要≠ | The finite strip method (FSM) is a semi-analytical numerical approach for analyzing prismatic or cylindrical structures by dividing them into strips in one direction and using analytical or exact solutions in the perpendicular direction. Developed by Cheung in 1976, FSM reduces computational cost and often provides superior accuracy for structures with regular geometry along one axis. | 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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