| Budget Amount *help |
¥3,800,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥600,000)
Fiscal Year 2009: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2007: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2006: ¥1,200,000 (Direct Cost: ¥1,200,000)
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| Research Abstract |
Unstable crack growth under the quasi-static loading condition is studied experimentally and numerically. Images of the crack growth and the stress distribution around the growing crack tip, which is visualized by using photo-elastic technique, are successfully captured by the ultra-high-speed video camera with the frame rate of 1Mfps. Next, numerical algorithm to simulate the unstable crack growth is proposed in this work. The simulation result shows a good agreement with the experimental result, and it is shown that the proposed algorithm has the sufficient accuracy.
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