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| プラスチックヒンジ解析× | 有限要素解析× | |
|---|---|---|
| 分野≠ | 土木工学 | 材料科学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1914–1950s (Kazinczy 1914; Baker et al. 1956) | 1943 |
| 提唱者≠ | Multiple contributors (Kazinczy, Kist, Baker, Horne, Neal) | Richard Courant |
| 種類≠ | Structural analysis method | Computational method |
| 原典≠ | Chen, W. F., & Sohal, A. S. (1995). Plastic Design and Second-Order Analysis of Steel Frames. Springer. ISBN: 978-0387944319 | Zienkiewicz, O. C., & Taylor, R. L. (1977). The Finite Element Method in Engineering Science. McGraw-Hill. link ↗ |
| 別名≠ | plastic hinge method, plastic collapse analysis, limit state plastic analysis, yield hinge analysis | FEA, finite element method |
| 関連≠ | 3 | 4 |
| 概要≠ | Plastic hinge analysis is a structural engineering method that determines the load-carrying capacity of a structure by tracking the sequential formation of plastic hinges — localised zones where a cross-section has fully yielded — until a kinematic collapse mechanism is formed. Rooted in plastic theory, it provides a more economical and realistic estimate of ultimate structural capacity than purely elastic approaches, and is widely used in the design and assessment of steel frames, reinforced concrete beams, and other ductile structural systems. | Finite Element Analysis (FEA) is a numerical technique for obtaining approximate solutions to boundary value problems described by differential equations. Developed systematically by Richard Courant in 1943 and popularized by Clough in the 1960s, FEA divides a complex domain into smaller, simpler elements to solve engineering problems involving stress, strain, heat transfer, and fluid flow. It is the dominant computational method in materials science for predicting material behavior under various loading conditions. |
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