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| MODFLOW groundwater modeling× | 斜面の安定性（ビショップ・ヤンブ法）× | |
|---|---|---|
| 分野 | 土木工学 | 土木工学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1984 (original release); continuously updated through MODFLOW-6 (2017) | 1955 |
| 提唱者≠ | Michael G. McDonald and Arlen W. Harbaugh (U.S. Geological Survey) | Alan Bishop and Nilmar Janbu |
| 種類≠ | Numerical groundwater flow simulation | Limit equilibrium method for slope failure analysis |
| 原典≠ | Harbaugh, A. W. (2005). MODFLOW-2005, the U.S. Geological Survey modular ground-water model — the Ground-Water Flow Process. U.S. Geological Survey Techniques and Methods 6-A16. link ↗ | Bishop, A. W. (1955). The use of the slip circle in the stability analysis of slopes. Geotechnique, 5(1), 7-17. DOI ↗ |
| 別名≠ | MODFLOW-2005, MODFLOW-6, modular groundwater flow model, USGS groundwater model | Circular slip surface, Limit equilibrium, Factor of safety |
| 関連≠ | 0 | 3 |
| 概要≠ | MODFLOW is the U.S. Geological Survey's open-source, modular finite-difference model for simulating three-dimensional groundwater flow through porous media. First released in 1984 and continuously updated — most recently as MODFLOW-6 — it is the global standard for quantitative hydrogeological analysis, widely used in civil engineering, environmental consulting, water-resource management, and groundwater contamination studies. | The Bishop and Janbu methods are limit equilibrium approaches for analyzing slope stability, computing the factor of safety against shear failure along a potential slip surface. Developed by Bishop (1955) and Janbu (1954), these methods remain the most widely used tools in geotechnical engineering for evaluating cut slopes, embankments, and natural hillsides. |
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