| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2018: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2017: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000)
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| Outline of Final Research Achievements |
Although fish swimming is a common phenomenon, many details remain unknown. Some fish swim with jumping near the water surface, but the reason for this is not always clear. Computational fluid dynamics (CFD) analysis showed that, considering propulsive efficiency including energy consumption, swimming with jumping may be more advantageous than horizontal swimming for fish with large body lengths. The results of other analyses using fish models that considered the fish backbone and muscle force showed that differences in the timing of large deformations and the distribution of muscle force have a significant effect on fish swimming.
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