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Eigen-frequency control design of cfrp structures using an embroidery machine
https://jaxa.repo.nii.ac.jp/records/3404
https://jaxa.repo.nii.ac.jp/records/3404c2cc2e91-f73a-484a-95f8-c8ddd5906a9e
名前 / ファイル | ライセンス | アクション |
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AA1630046011.pdf (911.4 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2017-04-27 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Eigen-frequency control design of cfrp structures using an embroidery machine | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | eigen-frequency | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | CFRP | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | tailored fiber placement | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | embroidery | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flutter | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
著者 |
池田, 忠繁
× 池田, 忠繁× 岡, 功介× 西田, 竜也× Ikeda, Tadashige× Oka, Kosuke× Nishida, Tatsuya |
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著者所属 | ||||||
名古屋大学 | ||||||
著者所属 | ||||||
名古屋大学 | ||||||
著者所属 | ||||||
名古屋大学 | ||||||
著者所属(英) | ||||||
en | ||||||
Nagoya University | ||||||
著者所属(英) | ||||||
en | ||||||
Nagoya University | ||||||
著者所属(英) | ||||||
en | ||||||
Nagoya University | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構(JAXA) | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙航空研究開発機構特別資料 en : JAXA Special Publication: Proceedings of the First International Symposium on Flutter and its Application 巻 JAXA-SP-16-008E, p. 111-120, 発行日 2017-03-15 |
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会議概要(会議名, 開催地, 会期, 主催者等)(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | First International Symposium on Flutter and its Application (May 15-17, 2016. Mielparque-tokyo), Minato-ku, Tokyo, Japan | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | To raise the flutter speed of an airplane wing, increase in frequency margin between its fundamental torsional and bending modes is effective. Recently fiber reinforced plastic (FRP) laminates came to be widely used as the primary structures of airplanes, which can control the mechanical properties and the eigen-frequencies by the laminate stacking sequence, ply orientation, and so on. Moreover, if curved paths of the fibers can be allowed, the structure can be designed more lightly and accordingly the airplane can show higher performances. To this end a tailored fiber placement (TFP) method using an embroidery machine was suggested. In this paper, feasibility of the TFP with the embroidery machine was examined for the eigen-frequency control of a cantilever rectangular laminate plate as a preliminary study of applications of the TFP method to the flutter problems. First, the method to estimate material constants of a TFP layer and substrate layers was proposed according to the classical laminate theory. Then, using the obtained material constants an optimal fiber bundle path was calculated for the cantilever rectangular laminate plate with a size of 150mm×100mm×2mm so that the frequency margin between the fundamental torsional and bending modes was maximized keeping the fundamental frequency of the bending mode more than 80 Hz. Experimental verification was also performed. The prediction agreed well with the experiment, differing by approximately 10% due to the manufacturing error and the assumptions. Next to design further light structures a method that the stiffening fiber bundles were locally placed was proposed. The optimization result of the local TFP showed it had a comparable performance yet less than a half of weight of the reinforcing fiber bundles compared to the global TFP. These results indicate feasibility of application of the TFP to the aeroelastic problems. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 形態: カラー図版あり | |||||
内容記述(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Physical characteristics: Original contains color illustrations | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-113X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11984031 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA1630046011 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-SP-16-008E |