円筒形積層傾斜波形コアサンドイッチシェルのかご構造の耐爆性
Pengbo Su1, Bin Han2, Yiyang Zhong1
1Xi'an Institute of Space Radio Technology, Xi'an 710100, China.
Materials (Basel, Switzerland)
|January 10, 2026
まとめ
傾斜多層波形コアサンドイッチシェルは、優れた耐爆性を提供します。コア壁の厚さと層の高さの最適化により、内部爆発荷重に対する保護が強化され、特に厚さの傾斜が最も効果的であることが示されました。
科学分野:
- 機械工学
- 材料科学
- 構造工学
背景:
- 耐爆容器は、内部爆発に対する保護に不可欠です。
- 既存の設計は、性能と効率の点で限界に直面することがよくあります。
- 多層波形コアサンドイッチ円筒シェルは、新しい構造概念を表します。
研究 の 目的:
- 均一および傾斜多層波形コアサンドイッチ円筒シェルのかご構造の耐爆性を調査すること。
- 耐爆性強化のための最適な構成を特定すること。
- コア壁の厚さと層の高さの傾斜の影響を探ること。
主な方法:
- 有限要素解析(FEA)を使用して、内部爆発荷重をシミュレートしました。
- 均一および傾斜シェル設計の体系的な調査。
- 放射基底関数サロゲートモデルと適応型焼きなまし法を使用した最適化。
主要な成果:
- 内側が厚く外側が薄いコア壁を持つサンドイッチシェルは、優れた耐爆性を示しました。
- コア層の高さの傾斜(内側が高く外側が低い)が性能を向上させました。
- 壁厚傾斜構造は、高さ傾斜構造よりも一貫して優れた性能を発揮しました。
- 最適化により、最大の耐爆性または最小の質量を実現する構成が特定されました。
結論:
- 傾斜多層波形コアサンドイッチシェルは、耐爆性を強化します。
- 特定の傾斜戦略、特に壁厚傾斜は非常に効果的です。
- 最適化技術により、特定の性能要件に合わせてシェルを調整し、耐性と質量のバランスをとることができます。
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