書誌事項
- タイトル別名
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- Estimation of Impact Damage in C/C Composites by Drop Weight Tests (Wavelet Analysis of Impact Load)
- ラクスイ シケン ニ ヨル C C フクゴウ ザイリョウ ノ ショウゲキ ソンショウ ヒョウカ ショウゲキ カジュウ ノ ウェーブレット カイセキ
- Wavelet Analysis of Impact Load
- 衝撃荷重のウェーブレット解析
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抄録
Due to low impact strength of C/C, it's important to evaluate impact damage properties and impact strength. In this study, the estimating method for impact damage is used to evaluate the relationship between the impact load and displacement, absorbed energy of C/C specimens on a drop weight impact test. The measured impact load is decomposed in approximation components and detail components by multiple resolution analysis in wavelet transform. The results are as follows : (1) The Daubechies' wavelet is useful for smoothing the impact load signals by multiple resolution analysis in wavelet transform. (2) In the low impact energy that most of the damage does not produce, the approximation component demanded by wavelet analysis accords with the wave pattern of the numerical computation result that is removed free vibration component.
収録刊行物
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- 日本機械学会論文集Ａ編
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日本機械学会論文集Ａ編 72 (719), 1049-1056, 2006
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390001204477356672
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- NII論文ID
- 110004763320
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- NII書誌ID
- AN0018742X
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- ISSN
- 18848338
- 03875008
- http://id.crossref.org/issn/03875008
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- NDL書誌ID
- 8050005
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可