Results 11 to 20 of about 4,555,706 (361)
How to Crack Pre-registration: Toward Transparent and Open Science
Frontiers in Psychology, 2018 The reproducibility problem that exists in various academic fields has been discussed in recent years, and it has been revealed that scientists discreetly engage in several questionable research practices (QRPs).
Yuki Yamada
doaj +2 more sources
Advances in Science and Technology Research Journal, 2023 In this study, the thin-walled plate with the central open hole made of carbon-epoxy composite was investigated. The plate was tested in tension to investigate the mechanism of crack formation in the composite structure.
P. Wysmulski
semanticscholar +1 more source
Effect of Crack Closure on Permeability in Abutment Pressure Area
Meikuang Anquan, 2020 The mechanical model of crack closure was established, and the zone of crack closure was calculated combining with the abutment pressure formula.
LI Li, YU Lei, ZHANG Shuangyu, KANG Qiang
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Measurement of crack opening stresses and crack closure stress profiles from heat generation in vibrating cracks [PDF]
, 2008 A method is described to measure crack opening stresses and closure stress profiles of a surface-breaking crack. Vibration is used to generate frictional heat by rubbing crack face asperities.
Jeremy Renshaw +3 more
core +2 more sources
Real-time monitoring of proton exchange membrane fuel cell stack failure [PDF]
, 2016 Uneven pressure drops in a 75-cell 9.5-kWe proton exchange membrane fuel cell stack with a U-shaped flow configuration have been shown to cause localised flooding.
Brandon, NP +5 more
core +2 more sources
ACS Applied Materials and Interfaces, 2018 Highly stretchable strain sensors are key elements of new applications in wearable electronics and soft robotics. Most of the available technologies only measure positive strain (stretching), and cannot measure negative strains (compression).
Yangyang Xin +4 more
semanticscholar +1 more source
Monitoring breathing cracks of a beam-like bridge subjected to moving vehicle using wavelet spectrum
Vietnam Journal of Mechanics, 2013 In this paper a wavelet spectrum technique for monitoring the breathing crack phenomenon of a beam-like bridge subjected to moving vehicle is presented.
Nguyen Viet Khoa
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Numerical analysis of the influence of liquid on propagation of a rolling contact fatigue crack [PDF]
Fracture and Structural Integrity, 2017 Numerical investigations of the propagation of rolling contact fatigue crack filled by the liquid have been conducted. Two models of fluid – crack interaction have been considered. In the first model called “hydrostatic” the assumption of incompressible,
Miroslaw Olzak +2 more
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Dynamic analysis of cracked rotating blade using cracked beam element
Results in Physics, 2020 In this paper, the dynamic model of a pre-twisted cracked rotating blade is established using self-programed beam element (CBE) and its nonlinear characteristics are analyzed.
Chenguang Zhao +4 more
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AIP Advances, 2021 To investigate the effects of breathing cracks on the dynamic characteristics, i.e., natural frequencies, vibration displacement, slope angle, and bending moment, of a drilling riser, a time-domain finite element method based on the fracture mechanics ...
Xingkun Zhou, Yuqing Sun, Wenhua Li
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