一个基于沃罗诺伊图的负载转移规则:在突然负载的柱子阵列中对损害演变的应用
Zbigniew Domański1, Tomasz Derda1
1Department of Mathematics, Czestochowa University of Technology, Dąbrowskiego 69, 42-201 Częstochowa, Poland.
Materials (Basel, Switzerland)
|December 11, 2025
概括
这项研究引入了一个新的Voronoi负载共享 (VLS) 规则,用于突发负载下的柱状阵列. 该VLS规则动态重新分配压力,影响系统的崩或稳定性,并改善承载能力的预测.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 统计物理 统计物理
背景情况:
- 基板上的支柱阵列是复杂的系统,在组件故障后负载再分配至关重要.
- 了解这些系统的故障机制是预测它们的整体强度和稳定性的关键.
- 现有的负载分担规则往往忽视了几何和弹性基板特性.
研究的目的:
- 介绍和研究一个新的,对柱阵列的几何意识负载传递规则.
- 分析这项新规则对支柱系统承载能力和故障动态的影响.
- 将新规则的表现与既有模型进行比较.
主要方法:
- 开发一种现象学Voronoi负载共享 (VLS) 规则,结合系统几何和基板弹性.
- 使用光纤捆绑模型模拟突然负载的柱子阵列.
- 根据VLS规则对整体强度和时空损伤演变的评估.
主要成果:
- 该VLS规则动态地将负载转移到沃罗诺伊细胞内完整的支柱中,由同时失败的支柱定义.
- 这种动态重新分配会影响系统是否完全崩或在部分受损状态下稳定.
- 与静态规则相比,模拟显示了VLS规则对强度和损伤模式的明显影响.
结论:
- 拟议的VLS规则通过考虑几何和弹性因素,为柱阵列中的负载再分配提供了一个更现实的模型.
- 这种动态方法增强了对多组件系统中故障进展和稳定性的理解.
- VLS规则为预测结构材料的机械行为提供了有价值的工具.
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