| Budget Amount *help |
¥3,270,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥270,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 2009: ¥1,200,000 (Direct Cost: ¥1,200,000)
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| Research Abstract |
The objective of the research project was to consider and develop the mathematical aspects of the point vortex system as a model for two dimensional vortex motions. As one of the characteristics of the model, we have studied the problem of vortex collapse, and extended the 2D self-similar collapse solution into one in three dimensions. We have also studied the statistical properties of stably stratified turbulence as a middle of 2D and 3D turbulence, and investigated the difference in the dimensionality.
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