Results 101 to 110 of about 768,686 (296)
Frontiers in Physiology, 2018 Aim: Arterial stiffness is a significant risk factor for many cardiovascular diseases, including abdominal aortic aneurysms (AAA). Nicotine, the major active ingredient of e-cigarettes and tobacco smoke, induces acute vasomotor effects that may ...
Markus U. Wagenhäuser +37 more
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Observer‐Based Adaptive Event‐Triggered Tracking Control for Fuzzy TS Systems With Premise Mismatch
International Journal of Adaptive Control and Signal Processing, EarlyView.This paper presents an adaptive logistic event‐triggered observer‐based tracking controller for Takagi‐Sugeno fuzzy systems under constrained inputs and network delays. Leveraging a hybrid LMI and Secretary Bird Optimization approach, this strategy significantly minimizes communication overhead and computational burden while ensuring optimal reference ...
Oussama Djadane +3 more
wiley +1 more source
Strength analysis of overhead traveling crane with use of finite element method [PDF]
Transport Problems, 2014 This paper presents the results of numerical experiment using FEM, whose aim was to investigate the influence of the load on the crane structure. For this purpose a FEM model of the object was made and calculated.
Tomasz HANISZEWSKI
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Energies, 2017 There is high demand for roadway support in coal mines for the swelling soft rocks. As high strength steel sets can be taken as an effective alternative to control large deformation in this type of rocks, based on an original set, three new sets ...
Renshu Yang +3 more
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A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions
Advanced Engineering Materials, EarlyView.This study introduces a workflow to accelerate predictions of microstructure‐sensitive fatigue life. Results from frameworks with varying levels of simplification are benchmarked against published reference results. The analysis reveals a trade‐off between accuracy and model complexity, offering researchers a practical guide for selecting the optimal ...
Luca Loiodice +2 more
wiley +1 more source
Engineering Structures and Technologies, 2014 The paper presents a mathematical model for bar cross-sectional optimization of steel structureunder strength, stiffness and stability constraints. The theory of mathematical programming of extremum energy principles has been used for developing the ...
Agnė Gervytė, Ela Jarmolajeva
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Advanced Engineering Materials, EarlyView.A numerical–experimental framework is developed for characterizing multi‐matrix fiber‐reinforced polymers (MM‐FRPs) combining epoxy and polyurethane matrices. Harmonic bending tests are integrated with finite element model updating (FEMU) to simultaneously identify elastic and viscoelastic material parameters.
Rodrigo M. Dartora +4 more
wiley +1 more source
Dynamic stiffness of articular cartilage and potential repair materials [PDF]
, 2012 Cartilage has limited potential for self repair. Therefore, articular cartilage lesions often lead to early osteoarthritis. Early clinical results of cartilage replacement procedures such as autologous matrix-induced chondrogenesis (AMIC) seem promising,
Ronken, Sarah
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Advanced Engineering Materials, EarlyView.This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal +2 more
wiley +1 more source
The 3500 Fracturing Pump Bearings’ Deformation Effects on the Rack Performance
Shiyou jixie, 2016 The fracturing hydraulic end loads and power end dynamic characteristics of the 3500 fracturing pump rack have been analyzed.Based on the loads on the rack under dangerous conditions,the rack bearing block torus’s load,the maximum radial deformation and ...
Jiang Faguang +4 more
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