| Budget Amount *help |
¥17,030,000 (Direct Cost: ¥13,100,000、Indirect Cost: ¥3,930,000)
Fiscal Year 2021: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2020: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2019: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2018: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2017: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
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| Outline of Final Research Achievements |
We found that there are two types of relaxed states of magnetohydrodynamics in a sphere in which flow and magnetic fields coexist. One is a state in which the magnetic and flow fields are almost parallel. A typical example of this state is the so-called twist flow. The other is a state in which the flow and magnetic field have different structures and distributions. In this state, the energy of the flow and the magnetic field is concentrated in opposite hemispheres, and the jet-like flow and the tension in the magnetic field generated by the flow maintain a quasi-steady state while supplying energy in a complementary manner. The visualization method developed to analyze these computations was established as a new visualization method with versatility, named 4D Street View. A dedicated library and video player to realize 4D Street View were also successfully developed and widely released to the public along with sample data.
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