A development of the method in order to determine the mechanical properties, defect and impact force at the same time by measuring the sound pressure from the impacted body.
| Project/Area Number |
25420034
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Materials/Mechanics of materials
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| Research Institution | Chuo University |
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Principal Investigator |
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Keywords | 衝撃力 / 衝撃音 / 被接触 / 欠陥同定 / 衝撃力同定 / 逆問題 / 放射音 / 同定 / 音圧 |
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| Outline of Final Research Achievements |
The equipment to measure the distribution of the sound pressure fictionally is invented. By measuring the sound pressure with this equipment, the following outcomes are given. 1) The method in order to determine the distribution of the impact pressure is invented. By the actual experiment, the efficiency has been confirmed. It becomes clear, that the possibility to determine the placement, space distribution and time-dependence by measuring the distribution of the sound pressure form the impacted body. 2) The method in order to determine the placement and shape of the defect in the surface of the impacted body is invented. By the present method, the placement and shape of the dent at the surface of the impacted body can be determined. Since the sound pressure can be applied to the impacted body as the impact force, the non-contact measurement of the defect should be possible.
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Report
(4 results)
Research Products
(5 results)
