Analysis of a phenomenon in seismic slices interpretation

Wang, Yajing; Li, Guofa; Xiong, Jing; Yue, Ying; Zhu, Wenliang

doi:10.1190/igcbeijing2014-236

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Road Knowledge1

Theoretical Analysis Of the Influences Of In-plane Fiber Micro-buckling On Tensile Properties1

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Cited by 2 publications

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“…In general, when people encounter complex situations or dangers, the first time is to choose the original way to return. [7] When people are not familiar with the path, they will explore while finding the destination. When they return, people usually choose to return in the original way for safety.…”

Section: Road Knowledgementioning

confidence: 99%

Application of Environmental Psychology in Environmental Design

Wang,

Chi

2024

Proceedings of the 2nd International Conference on Art Design and Digital Technology, ADDT 2023, September 15–17, 2023, Xi’an,

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Section: Road Knowledgementioning

confidence: 99%

Application of Environmental Psychology in Environmental Design

Wang,

Chi

2024

Proceedings of the 2nd International Conference on Art Design and Digital Technology, ADDT 2023, September 15–17, 2023, Xi’an,

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“…According to Gauss–Legendre approximation, 27 effective tensile modulus of unidirectional lamina with in-plane fiber waviness can be expressed by equation (13). 28 where I 1 = (1 + β 2 /2)/(1 + β 2 /2) 3/2 ; I 3 = ( β 2 /2)/(1 + β 2 /2) 3/2 ; I 5 = 1 − (1 + 3 β 2 /2)/(1 + β 2 /2) 3/2 ; β =(2 πA )/ L = tan α max .…”

Section: Theoretical Analysis Of the Influences Of In-plane Fiber Micro-buckling On Tensile Propertiesmentioning

confidence: 99%

Macroscopic characterization of fiber micro-buckling and its influence on composites tensile performance

Zhao

Wang

Xiao

2016

Journal of Reinforced Plastics and Composites

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As one of the most common defects induced by Automated Fiber Placement, in-plane fiber micro-buckling is characterized by a macroscopic value and its influence on composites tensile properties are studied in this article. The mathematical relationship between fiber microscopic distribution and geodesic curvature of non-geodesic fiber path is derived. Influences of in-plane fiber micro-buckling on tensile properties are analyzed by off-axis tensile theory and finite element analysis, and verified by experiments. Actual fiber microscopic distribution of in-plane fiber micro-buckling shows that it is reasonable to evaluate the scale of fiber micro-buckling by the geodesic curvature radius of curved fiber trajectory. Longitudinal tensile properties of lamina are dramatically influenced by in-plane fiber micro-buckling, while the influences of in-plane fiber micro-buckling on transversal tensile properties can be ignored. When A/ L reaches 0.023, the longitudinal tensile modulus and strength of lamina decreased by 25.5% and 57.7%, respectively, compared with the lamina without any defects. Based on the conclusions made in this article, the scale of in-plane fiber micro-buckling can be predicted without metallographic observation. And the increase of structural efficiency and the loss of mechanical performance in consequence of non-geodesic fiber path could be evaluated for the optimization of fiber trajectory.

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Analysis of a phenomenon in seismic slices interpretation

Cited by 2 publications

References 3 publications

Application of Environmental Psychology in Environmental Design

Application of Environmental Psychology in Environmental Design

Macroscopic characterization of fiber micro-buckling and its influence on composites tensile performance

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