Averaging and finite-element discretization approaches in the numerical analysis of functionally graded materials
| Autor: | D.Y. Ha, J.R. Cho |
|---|---|
| Rok vydání: | 2001 |
| Předmět: |
Engineering drawing
Materials science Computer simulation Discretization Mechanical Engineering Numerical analysis Micromechanics Condensed Matter Physics Finite element method Thermoelastic damping Mechanics of Materials Applied mathematics Cylinder stress General Materials Science Estimation methods |
| Zdroj: | Materials Science and Engineering: A. 302:187-196 |
| ISSN: | 0921-5093 |
| DOI: | 10.1016/s0921-5093(00)01835-9 |
| Popis: | Thermomechanical properties and responses of dual-phase functionally graded materials have been estimated by conventional averaging approaches, such as rules of mixtures, mean-field micromechanics and so on. However, the appropriateness of such models has been recently reported to be questionable. In this paper, we numerically investigated three representative averaging estimation methods, the linear and modified rules of mixtures and the Wakashima–Tsukamoto estimate, by comparing with the finite-element discretization approach utilizing rectangular cells. Through numerical experiments for the elastic and thermoelastic response of Ni–Al 2 O 3 functionally graded materials (FGMs), we presented comparative results together with introduction of a suggestive approach. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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