方法对比
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| BEM地质力学× | 土-结构相互作用× | |
|---|---|---|
| 领域 | 土木工程 | 土木工程 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1978 | 1974 |
| 提出者≠ | Carlos Alberto Brebbia | Artur S. Veletsos |
| 类型≠ | Mesh-less numerical method for geomechanical problems | Dynamic analysis of coupled soil-foundation-structure systems |
| 开创性文献≠ | Brebbia, C. A. (1978). The Boundary Element Method for Engineers. Pentech Press. ISBN: 0-08-020191-5 | Veletsos, A. S., & Meek, J. W. (1974). Dynamic behaviour of building-foundation systems. Earthquake Engineering & Structural Dynamics, 3(2), 121-138. DOI ↗ |
| 别名 | Boundary element method, BEM analysis, Indirect methods | SSI analysis, Foundation compliance, Dynamic foundation analysis |
| 相关≠ | 3 | 4 |
| 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. | Soil-structure interaction (SSI) analysis accounts for the dynamic coupling between a structure and its supporting foundation soil, recognizing that the soil is not infinitely rigid. Formalized by Veletsos in 1974, this approach reveals how foundation compliance, radiation damping, and kinematic effects modify the structure's seismic response compared to fixed-base assumptions. |
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