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在状腺增材制造样本上的自由边界效应的有限元素建模

Elizabeth Mathey1, Amanda Heimbrook2, R D Carpenter1

  • 1Department of Mechanical Engineering, University of CO Denver, Denver, CO, USA.

Computer methods in biomechanics and biomedical engineering
|March 12, 2024
PubMed
概括

有限元模型显示,3D打印的格子结构表现出自由边界效应. 螺旋体结构中较高的多孔度和较少的单元细胞显著降低了机械性能,高达20%.

关键词:
有限元素分析的研究.自由边界效应是什么意思胃腺瘤 (Gyroid) 是一种疾病.穿孔式架构是一种多孔的架构.

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Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity01:15

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
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