麦田圈陶瓷砖的断裂行为:实验和数值研究

IF 1.3 Q3 ENGINEERING, MULTIDISCIPLINARY International Journal of Engineering and Technology Innovation Pub Date : 2024-03-27 DOI:10.46604/ijeti.2024.13070
Ay Lie Han, Bobby Rio Indriyantho, Mhd Rony Asshidiqie, Purwanto, Widowati, Kartono, I Nyoman Jujur
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引用次数: 0

摘要

这项研究探讨了三维(3D)蜂巢圆瓦对荷载变形、初始开裂和扩展以及应力再分布的影响。由于试样尺寸较小和材料的脆性,实验测试提供的数据有限。我们建立了一个有限元(FE)模型,并通过实验室数据进行验证,以分析应力-应变响应和破坏模式。该模型能够详细描述应力模式、应力传播以及蜜蜂设计下方各层的重新分布。研究得出结论,受三维麦田圈启发的设计极大地影响了最终承载能力和应力相关行为。载荷-变形响应是非线性的,着色会影响涂层厚度,进一步影响最终载荷和初始刚度。此外,带有凹凸细节的设计会产生弧形作用,使应力集中偏离加载线。FE 模型略微高估了初始刚度,但对极限荷载和荷载-位移响应的表现非常准确。
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Fracture Behavior of Crop Circle Ceramic Tiles: Experimental and Numerical Study
This research investigates the effect of three-dimensional (3D) bee-crop-circle tiles on load deformation, initial cracking and propagation, and stress redistribution. Experimental tests provide limited data due to the small specimen size and brittle nature of the material. A finite element (FE) model is constructed and validated by laboratory data to analyze the stress-strain responses and failure mode. The model enables a detailed description of stress patterns, stress propagation, and redistribution of layers beneath the bee design. The study concludes that a 3D crop circle-inspired design significantly influences the ultimate load-carrying capacity and stress-related behavior. The load-deformation response is nonlinear, and the coloring influences the thickness of coatings, further affecting the ultimate load and initial stiffness. Furthermore, designs with convex details result in an arc action, deviating the stress concentrations away from the line of loading. The FE model slightly overestimates the initial stiffness but represents the ultimate load and load-displacement response with high accuracy.
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来源期刊
CiteScore
2.80
自引率
0.00%
发文量
18
审稿时长
12 weeks
期刊介绍: The IJETI journal focus on the field of engineering and technology Innovation. And it publishes original papers including but not limited to the following fields: Automation Engineering Civil Engineering Control Engineering Electric Engineering Electronic Engineering Green Technology Information Engineering Mechanical Engineering Material Engineering Mechatronics and Robotics Engineering Nanotechnology Optic Engineering Sport Science and Technology Innovation Management Other Engineering and Technology Related Topics.
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