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CNTの強化された機能的に格段化されたカンチレバープレートの決定的およびストキャスティックな自由振動分析
Mehulkumar Padhiyar1, Pradeep Kumar Karsh2, Gaurav Kumar Bandhania1
1Department of Mechanical Engineering, Parul Institute of Engineering & Technology, FET, Parul University, Vadodara, India.
Scientific reports
|August 28, 2025
まとめ
この研究では,炭素ナノチューブ強化の機能的に分類された材料板を分析しています. 材料の特性や温度などの重要なパラメータが 振動周波数に影響します
科学分野:
- 機械工学
- 材料科学
- ナノテクノロジー
背景:
- 機能的に分類された材料 (FGM) は調節可能な特性を提供します.
- 炭素ナノチューブ (CNT) は材料の性能を向上させる.
- 構造の整合性にとって 振動の特徴を理解することは 極めて重要です
研究 の 目的:
- CNTで強化された多層のFGMカンチレバープレートの決定的およびストキャスティックな自由振動分析を行う.
- 自然周波数に対する様々なパラメータの影響を調査する.
- 先進的な複合構造の振動に関する洞察を 提供するためです
主な方法:
- 支配的方程式は,ファースト・オーダー・シャー・変形理論 (FSDT) を用いて導かれる.
- 有効な材料の特性について適用される混合物のルール
- ストキャスティック分析のための有限要素ベースのモンテカルロシミュレーション (MCS).
主要な成果:
- 既存の文献に対する有限要素モデルの検証
- ストキャスティシティ,パワー・ロー・インデックス,厚さ,体積分数,温度,CNTサイズに関するパラメトリック研究.
- 観察された自然周波数に対するすべての調査パラメータの有意な影響
結論:
- 開発されたモデルは振動周波数を正確に予測します.
- 材料の組成,幾何学,環境要因は構造のダイナミクスを決定的に影響する.
- CNTで強化されたFGMの構造を設計するうえで 重要な発見です
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