| Project/Area Number |
20760063
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Materials/Mechanics of materials
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| Research Institution | Yamagata University |
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Principal Investigator |
UEHARA Takuya Yamagata University, 大学院・理工学研究科, 准教授 (50311741)
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| Project Period (FY) |
2008 – 2009
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| Project Status |
Completed (Fiscal Year 2009)
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| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2009: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2008: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Keywords | 連続体力学 / 結晶成長 / 計算物理 / 計算機シミュレーション / 相変態 / フェーズフィールドモデル / 分子動力学 / 数値解析 / 機械材料・材料力学 / シミュレーション工学 |
|---|
| Research Abstract |
Computational method is developed using a phase field model which accounts for the coupling effects among phase, temperature and stress/strain, so that the macroscopic behavior of metallic material is described in accordance with the dynamic change in the microstructure. Simulations on microscopic stress distribution in complex microstructure such as dendrites or polycrystals are enabled using the developed method. The equations are then extended for binary alloy system, and the local concentration of each composition is coupled with the phase and stress fields. The subsequent simulation revealed complicated stress is generated in a cellular microstructure formed in directional solidification.
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