| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Research Abstract |
Based on the configurational mechanics concept, microscopic inhomogeneity is discussed on polycrystalline material models. A numerical algorithm for evaluating the inhomogeneity force, which is none other than a generalization of the energy release rate in fracture mechanics, is constructed and applied to the interfacial problems in polycrystalline aggregates. The simulation suggests that the inhomogeneity force per unit area, which results from the loading condition and crystal morphology as well, is independent on the path of area integration so far as the path does not involve any singularity portion.
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