Results 11 to 20 of about 198,809 (218)
Geotechnics, 2021 This paper provides an in-depth review of research developments on a common phenomenon in oil and gas exploration: sand production. Due to its significant impact to reservoir productivity and production efficiency, sand production has been widely ...
Kenneth Imo-Imo Israel Eshiet +1 more
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Semi-Analytical Modelling of Multilayer Continuous Systems Nonlinear Dynamics [PDF]
Archives of Civil Engineering, 2020 Problems concerning structures dynamics are being one of most important subjects in recent investigations associated with railways constructions. The need of modelling of such structures and their behaviour prediction leads to necessity of seeking new ...
Piotr Kozioł, Rafał Pilecki
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Three-Dimensional Stress Intensity Factor Correction Method Based on Thickness Size Effect
Advances in Materials Science and Engineering, 2021 This paper presents the fatigue crack growth test of 7N01 aluminum alloy specimens with different thicknesses under three-point bending. Moreover, the effect of specimen thickness on the fatigue crack growth life was analyzed.
Xiaochen Zhang +5 more
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Using a Machine Learning Method to Predict the Penetration Depth of a Gravity Corer
Applied Sciences, 2022 The study of penetration depth of gravity piston samplers has an essential impact on sampling efficiency and instrument safety. This study focuses on predicting penetration depth based on the characteristic parameters of the sampled seafloor sediments ...
Xing Du +4 more
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Axioms, 2022 A nonlinear system of differential equations in the problem of free flowing of supercritical flow is considered and a method of its solution is proposed. The analytical method is based on the introduction of the velocity hodograph plane and the obtaining
Sergej Evtushenko
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A new approach of accounting for impedance effects in Gardner’s method of determining the hydraulic conductivity of unsaturated soils [PDF]
E3S Web of Conferences, 2020 Based on tests carried out on a specific device allowing to determine the water retention and transport properties of granular media at low suctions, an alternative approach to Kunze and Kirkham’s method of accounting for the impedance effects due to the
Stanic Filip +6 more
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Archives of Mechanics, 2022 The integral formulation of the Ffowcs-Williams and Hawkings (FW–H) analogy, developed by Farassat (known as Farassat’s formulation 1A), is implemented to study the sound generation and propagation of rotating slender bodies.
T. Suresh, O. Szulc, P. Flaszynski
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Degradation of basalt fiber–reinforced polymer bars in seawater and sea sand concrete environment
Advances in Mechanical Engineering, 2020 Although numerous experimental and analytical investigations on the environmental effects on basalt fiber–reinforced polymer bars were carried out, degradation of the basalt fiber–reinforced polymer bar in seawater and sea sand concrete environment has ...
Suraksha Sharma, Daxu Zhang, Qi Zhao
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Incorporating Virtual Problem-Based Learning in Instrumental Chemistry during the COVID-19 Pandemic
COVID, 2023 The COVID-19 pandemic has presented substantial challenges to higher education, leading to economic loss and disruptions in STEM courses. This study addresses these issues through the successful implementation of a problem-based learning research project
Xiaoping Li +3 more
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Ultrasonics Sonochemistry, 2023 Detailed kinetic studies of the ultrasonic decomposition of contaminants in water are scarce. Most of the work has used a pseudo-first order kinetics law, which is unrealistic.
Oualid Hamdaoui
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