WEKO3
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農業機械分野における有限要素解析の検証システムに関する研究
http://hdl.handle.net/20.500.12000/13567
http://hdl.handle.net/20.500.12000/13567895f54d6-33e4-4618-8ddd-31da42860702
| 名前 / ファイル | ライセンス | アクション | |
|---|---|---|---|
05660297.pdf
|
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| Item type | デフォルトアイテムタイプ（フル）(1) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 公開日 | 2009-12-02 | |||||||||
| タイトル | ||||||||||
| タイトル | 農業機械分野における有限要素解析の検証システムに関する研究 | |||||||||
| 言語 | ja | |||||||||
| 作成者 |
上野, 正実
× 上野, 正実
× Ueno, Masami
|
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| 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 | 農業機械 | |||||||||
| 言語 | ja | |||||||||
| 主題Scheme | Other | |||||||||
| 主題 | 有限要素法 | |||||||||
| 言語 | ja | |||||||||
| 主題Scheme | Other | |||||||||
| 主題 | 検証システム | |||||||||
| 言語 | ja | |||||||||
| 主題Scheme | Other | |||||||||
| 主題 | 変形解析システム | |||||||||
| 言語 | ja | |||||||||
| 主題Scheme | Other | |||||||||
| 主題 | データベース | |||||||||
| 言語 | ja | |||||||||
| 主題Scheme | Other | |||||||||
| 主題 | 弾塑性応力解析システム | |||||||||
| 言語 | ja | |||||||||
| 主題Scheme | Other | |||||||||
| 主題 | ハイブリッド有限要素法 | |||||||||
| 内容記述 | ||||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | 科研費番号: 05660297 | |||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | 平成5・6年科学研究補助金(一般研究(C))研究成果報告書 | |||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | 研究概要：本研究は、農業機械の設計・開発に高精度の数理解析手法を提供できる有限要素法の解析結果を、実験的に検証し、それをフィードバックするシステムを確立して、解析技術の大幅な向上を図ることをねらいとしている。具体的には、変形解析システム(実験的手法)、精密な弾塑性応力解析システム(解析的手法)、ならびに実験結果のデータベースとを結合した検証システムの開発、さらに、弾塑性有限要素法の開発を試みた。車輪の走行性の問題にこのシステムを適用した。精密土槽実験装置を利用した車輪走行実験において、土の変形挙動を精度良く解析するシステムを開発し、車輪下の土の変形解析を行った。これによって車輪の回転に伴う変形パターンを明らかにした。土の変形状態はけん引力の最大値が発生する前後で急変することを示した。ひずみ(ひずみ増分)データを用いて応力解析を行うシステムを開発して、すべり率26％の実験結果に適用した。走行実験データを蓄積しデータベース化を行い、実験・解析デ-タの総合分析システムを開発した。これに有限要素解析との比較を行う機能を付加して検証システムを構築し、有限要素解析結果を総合的に評価を行った。変形－応力解析システムを有限要素法と結合させたハイブリッド解析法を開発したが、変形解析データの精度向上のために時間を要し、実際の解析には至らなかった。なお、蛇足であるが、本研究に関連したシンポジウム(農業機械学会主催)を実施した(農業機械開発・設計における数値解析技術の活用、平成7年2月2日～4日、琉球大学大学会館)。 | |||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | 要約（欧文）:In order to improve Finite Element Methods related to the Agricultural Machinery, a verifying system of analytical results by compairing with experimental results was investigated. Especially a problem of the soil-wheel interaction was focused in this study. An analyzing system of soil deformation, one of stress distribution in the soil and data processing systems have been developed as subsystems of the verifying system. An elasto-plastic Finite Element Method and a soil bin experimental apparatus also were developed. The concept of database plays important role on the verifying system. Soil deformation beneath the wheel could be observed at the rolling motion of the wheel through the side wall of the soil bin. Displacement vectors of soil particles and isobar distributions were discussed. Typical distribution patterns of each kind of strain were clarified in initial sinkage and in rolling stages. Displacement vectors in the neighbor of the wheel increased rapidly at the immediate after an appearance of the maximum traction. Stress analysis was able to carry out by the data of strain distributions and an elasto-plastic constitutive equation based on the Subloading Surface Model. This system applied to the experiment results of the wheel traveling with 26% slip. Adatabase was caonstructed by accumulating these experimental data and total analyzing system was developed. This system was extended to a comparing system with the analytical results by the FEM. | |||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | 未公開：P.35以降(別刷論文のため) | |||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | 研究報告書 | |||||||||
| 出版者 | ||||||||||
| 言語 | ja | |||||||||
| 出版者 | 上野正実 | |||||||||
| 言語 | ||||||||||
| 言語 | jpn | |||||||||
| 資源タイプ | ||||||||||
| 資源タイプ | research report | |||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||||||
| 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/20.500.12000/13567 | |||||||||
| 識別子タイプ | HDL | |||||||||
| 関連情報 | ||||||||||
| 関連識別子 | ||||||||||
| 識別子タイプ | HDL | |||||||||
| 関連識別子 | http://hdl.handle.net/20.500.12000/3763 | |||||||||
| 関連識別子 | ||||||||||
| 識別子タイプ | HDL | |||||||||
| 関連識別子 | http://hdl.handle.net/20.500.12000/3766 | |||||||||
| 収録物識別子 | ||||||||||
| 収録物識別子タイプ | NCID | |||||||||
| 収録物識別子 | BA35583656 | |||||||||
| 書誌情報 |
発行日 1995-02 |
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