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| Finite Element Analysis× | Phase-Field Modeling× | |
|---|---|---|
| Fagområde | Materialevidenskab | Materialevidenskab |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1943 | 1958 |
| Ophavsperson≠ | Richard Courant | John W. Cahn |
| Type≠ | Computational method | Simulation method |
| Oprindelig kilde≠ | Zienkiewicz, O. C., & Taylor, R. L. (1977). The Finite Element Method in Engineering Science. McGraw-Hill. link ↗ | Cahn, J. W. (1958). Free energy of a nonuniform system: Interfacial free energy. The Journal of Chemical Physics, 28(2), 258-267. DOI ↗ |
| Aliasser | FEA, finite element method | phase-field method, diffuse interface method |
| Relaterede≠ | 4 | 3 |
| Resumé≠ | 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. | Phase-Field Modeling (PFM) is a continuum computational method for simulating microstructure evolution, phase transitions, and interfacial dynamics without explicitly tracking moving boundaries. Developed from Cahn-Ginzburg-Landau theory in the 1950s, PFM represents distinct phases through continuous order parameters that vary smoothly over diffuse interfaces. This approach elegantly handles topological changes (nucleation, coalescence, pinch-off), complex interface geometries, and strongly coupled multiphysics. It is the dominant method for studying dendritic growth, spinodal decomposition, grain evolution, and reactive transport in materials science. |
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