| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Research Abstract |
A new boundary fitting method which employs the Quad-tree grid system was developed for meandering processes in natural river. The boundary fitting method was apply to reproduce flow patterns in a flume and natural river, computation result agree with the observed result well. In another numerical experiments, the result shows that channel plane form affects to formation process of sandbars greatly.
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