在联合热力和机械负荷下,对具有功能等级的GPL增强复合板进行曲分析
1Department of Naval Architecture and Ocean Engineering, Hongik University, Sejong 30016, Republic of Korea.
Materials (Basel, Switzerland)
|February 13, 2025
概括
本研究研究了功能分级的石墨烯血小板增强复合材料 (FG-GPLRC) 板的联合热和机械曲. 开发了一种使用自然元素方法 (NEM) 的新数值方法来预测临界曲负载.
科学领域:
- 复合材料科学 复合材料科学
- 机械工程 机械工程
- 固体力学 固体力学是什么
背景情况:
- 功能分级的石墨烯血小板增强复合材料 (FG-GPLRC) 结构表现出复杂的曲行为.
- 之前的研究已经独立分析了热和机械曲.
- 需要一个统一的方法,用于联合热力学曲.
研究的目的:
- 为了研究FG-GPLRC板块的合热力学曲行为.
- 开发和验证一种用于分析曲现象的新型数值方法.
- 为了比较FG-GPLRC板块的曲性能与功能分级的CNT增强复合材料 (FG-CNTRC) 板块.
主要方法:
- 使用最小潜在能定理和第一阶剪切变形理论 (FSDT) 制定合曲折问题.
- 使用二维自然元素方法 (NEM) 解决问题的近似方法.
- 结合的固有矩阵方程的推导,以计算临界曲折温度升高 (CBTR) 和机械曲折负荷.
主要成果:
- 开发了一种可靠的数值方法,能够解决热,机械和合热机械曲问题.
- 收和基准测试证实了开发的NEM方法的可靠性.
- 在考虑关键参数的情况下,对FG-GPLRC板块在组合负载下曲行为的详细分析进行了.
结论:
- 开发的NEM提供了一个有效的工具来分析FG-GPLRC板块的合曲折.
- 该研究提供了关于FG-GPLRC在联合热力和机械应力下曲特征的见解.
- 与FG-CNTRC板块进行的比较分析突出了曲行为的差异.
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