This book is a compilation of selected works presented at COBEM 2023, emphasizing the field of dynamics and vibrations. It showcases a diverse array of cutting-edge research, ranging from the investigation of metastructures for vibration attenuation in crankshafts to the application of metamaterials for reducing wind tower vibrations. Each chapter offers unique insights and advancements in structural dynamics and vibrations. With contributions encompassing experimental investigations, analytical studies, and practical applications, this book is an invaluable resource for researchers, engineers, and practitioners in the field.

Provides ready-to-use knowledge for scientists, engineering professionals, and research students Covers advancements in structural dynamics, including novel metastructures and metamaterial applications Offers insights from experimental investigations, numerical simulations, and real-world applications

Autorentext

Paulo Kurka is a professor at the School of Mechanical Engineering at UNICAMP in São Paulo, Brazil. He earned his Ph.D. in mechanical engineering (1989) from UMISTUniversity of Manchester, UK. His research interests include system dynamics, signal processing, and automation. He chairs the Dynamics Committee of the Brazilian Society of Mechanical Engineering and Sciences and his recent work focuses on image processing in automation and robotics, structural dynamics and vibrations, and railway vehicle dynamics.

Milton Pereira graduated with a degree in Mechanical Engineering from the Federal University of Santa Catarina (1995), where he also earned his M.Sc. (1998) and Ph.D. (2004) in Mechanical Engineering. He is a professor and deputy head of the Department of Mechanical Engineering at the Federal University of Santa Catarina (UFSC), teaching at both undergraduate and postgraduate levels. His expertise lies in Precision Engineering, with a focus on manufacturing processes, process optimization, machine design, metrology, project methodology, automotive engineering, and laser material processing.

Inhalt

1 - Investigation of an identical metastructure for vibration attenuation in a crankshaft withnon-constant inertia.- 2 - Some considerations about the use of operational modal analysis in turbomachinery.- 3 - An experimental investigation on the two-phase intermittent flow coupling withstructural vibration of horizontal pipes.- 4 - Analysis of manufacturing process of a superelastic NiTi bending spring.- 5 - On the evaluation of natural frequencies and mode shapes of beams under tensile axialload.- 6 - Aa web-based simulator to aid leak detection in water distribution pipes when usingvibro-acoustic techniques.- 7 - Use of natural fibers for sound absorption: a chronological literature review.- 8 - Identification of modal parameters of rotating machines via automatic operational modalanalysis.- 9 - Experimental investigation of a novel metastructure with trapped, fluid-filled unit cells.- 10 - Modeling and analysis of floating solar panels with tracking system for hydroelectricplants in the amazon region of brazil.- 11 - Spectral analysis of fatigue in drill strings under torsional vibrations.- 12 - Aeroacoustics effects of the wavy leading edge on a fan-rig sdt stators.- 13 - Sliding mode control for suppression of stick-slip vibrations in oilwell drill strings.- 14 - Experimental methods for identifying physical parameters of four-wheeled autonomousvehicles.- 15 - Dynamical analysis of a helical gear pair with backlash under variable load torqueconditions.- 16 - Stability assessment of the resonant linear permanent magnetic generators powered byfree piston engines.- 17 - Magnetorheological dampers in landing gears: dynamic analysis focused on shockabsorption and vibration comfort.- 18 - The application of magneto-rheological elastomer in a base insolation system forseismic mitigation of highway bridges.- 19 - Dynamic analyses (modal and force vibration) in a railway vehicle model with 25degrees of freedom.- 20 - Design of passive dynamic absorbers to attenuate pathological tremor of human upperlimb.- 21 - Comparing analytical and numerical solutions for fluid-structure problems with freesurface conditions: a study on tuned liquid dampers and tuned liquid column dampers.- 22 - Use of metamaterials to reduce vibration of a wind tower subjected to an arbitrarystochastic wind.