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  1. 紀要論文
  2. 琉球大学農学部学術報告
  3. 41号
  1. 部局別インデックス
  2. 農学部

弾塑性有限要素法による車輪走行問題の解析(生物生産学科)

http://hdl.handle.net/20.500.12000/3766
http://hdl.handle.net/20.500.12000/3766
0935164c-6f51-4baf-a01f-9822ec45c2e8
名前 / ファイル ライセンス アクション
KJ00000161746.pdf KJ00000161746.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2008-02-14
タイトル
タイトル 弾塑性有限要素法による車輪走行問題の解析(生物生産学科)
言語 ja
作成者 上野, 正実

× 上野, 正実

ja 上野, 正実

鹿内, 健志

× 鹿内, 健志

ja 鹿内, 健志

岡安, 崇史

× 岡安, 崇史

ja 岡安, 崇史

Ueno, Masami

× Ueno, Masami

en Ueno, Masami

Shikanai, Takeshi

× Shikanai, Takeshi

en Shikanai, Takeshi

Okayasu, Takashi

× Okayasu, Takashi

en Okayasu, Takashi

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
主題
言語 ja
主題Scheme Other
主題 有限要素法
言語 ja
主題Scheme Other
主題 弾塑性
言語 ja
主題Scheme Other
主題 走行性
言語 ja
主題Scheme Other
主題 けん引力
言語 ja
主題Scheme Other
主題 境界条件
内容記述
内容記述タイプ Other
内容記述 本研究では, 車輪の走行性に関する問題を弾塑性有限要素法を用いて解析した。計算結果の妥当性を検討するため, 土槽における車輪走行実験結果との比較を試みた。けん引力, 土中のひずみ分布については実験結果とほぼ一致する結果が得られた。しかし, トルクについては, 解析値の方が実験値より小さく表れており, その原因の解明は, 今後の検討課題としたい。さらに, 回転がさらに進んだ状態で出現する定常状態の解析まで行うために, 解析プログラムを改良するとともに, 境界条件処理に関する修正計算の高速化を図る必要がある。
内容記述タイプ Other
内容記述 In this study, a problem related with traveling performances of a wheel was analyzed by an elasto-plastic Finite Element Method. The extended subloading surface model proposed by Hashiguchi in plasticity was employed to formulate the FEM. In addition, some modifying loops were introduced into the algorithm of the FEM to estimate properly the interaction at the contact area between a wheel and a soil. Analytical results were compared with experimental those obtained under same conditions to verify the applicability of analysis. Traction and strain distributions in the soil by the FEM agreed well to those by experiments. On the other hand, the values of torque by the FEM were less than the experimental those because of the difference of traveling resistance by each method. It is necessary to improve the treatment of boundary conditions and speed up the calculation for analyzing the stationary conditions.
内容記述タイプ Other
内容記述 紀要論文
出版者
言語 ja
出版者 琉球大学農学部
言語
言語 jpn
資源タイプ
資源タイプ departmental bulletin paper
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/3766
識別子タイプ HDL
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0370-4246
収録物識別子タイプ NCID
収録物識別子 AN00250548
収録物名
言語 ja
収録物名 琉球大学農学部学術報告
書誌情報
号 41, p. 193-200
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