Journal of Theoretical and Applied Vibration and Acoustics
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Hybrid deep learning for nonlinear acoustic-driven flame dynamics and experimental validation
(Iranian Society of Acoustics and Vibration and Avecina, 2025-07-01)This study proposes a hybrid deep-learning model that combines Convolutional Neural Networks (CNNs) with a Transformer Encoder to investigate the nonlinear dynamics of a laminar, partially premixed counterflow flame under ...
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Nonlinear analysis and numerical study of vortex bladeless turbine with experimental verification
(Iranian Society of Acoustics and Vibration and Avecina, 2025-07-01)With the growth of societies and the complexity of industry and technology, the human need for energy sources and the use of renewable energies, such as wind and sun, have been increasing. One way to achieve clean and ...
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Mitigating abnormal vibrations in amine gas treatment regeneration towers through vibration analysis and viscoelastic dampers
(Iranian Society of Acoustics and Vibration and Avecina, 2025-07-01)The regeneration tower within the amine cycle of a gas treatment unit, along with its rich amine inlet pipe, exhibits abnormal vibrations. If left unchecked, these vibrations pose risks of fatigue, potential economic ...
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Comprehensive study of fluid-structure interaction in vortex-induced vibrations: Integration of experimental, computational and wake oscillator approaches
(Iranian Society of Acoustics and Vibration and Avecina, 2025-07-01)This research explores the potential of vortex-induced vibration (VIV) as a viable renewable energy source for harvesting low-speed wind energy, particularly for low-power sensors utilized in structural health monitoring. ...
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Acoustic energy harvesting from sonic crystals with non-square lattices using piezoelectric patch
(Iranian Society of Acoustics and Vibration and Avecina, 2024-07-01)The field of energy harvesting from the environment has emerged as a significant area of research in recent years. Acoustic energy represents a natural source of mechanical energy that can be converted into electrical ...
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A hybrid machine learning and particle swarm system for configuring holes on cantilever beams to achieve desired natural frequencies
(Iranian Society of Acoustics and Vibration and Avecina, 2024-07-01)In this paper, a hybrid machine learning/optimization system is developed to identify the optimal configuration of holes on a cantilever beam to achieve a desired natural frequency. Based on a design of experiments, 100 ...
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Exploiting an arc-shaped rotary magneto-piezoelastic energy harvester: Theoretical and experimental investigations
(Iranian Society of Acoustics and Vibration and Avecina, 2024-07-01)This article investigates a new piezoelectric harvester for extracting energy from rotational motions. The harvester''s geometry is selected as a curve to increase the energy harvesting density. For its optimal performance ...
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A parametric optimization of vortex bladeless generator
(Iranian Society of Acoustics and Vibration and Avecina, 2024-07-01)A vortex-bladeless turbine is a device that works with vortex-induced vibration, which is generated by wind energy. It is one of the innovative devices for wind energy harvesting with some remarkable advantages compared ...
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Design and experimental evaluation of road excitation simulator actuated by electro-hydraulic system
(Iranian Society of Acoustics and Vibration and Avecina, 2024-07-01)This study focuses on the design and experimental evaluation of a road excitation simulator driven by an electro-hydraulic system. The simulator is employed to create road irregularities, which are then applied to the ...
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Sound quality of historical mosques in Tabriz in accordance with international standards
(Iranian Society of Acoustics and Vibration and Avecina, 2024-07-01)Sound is one of the important factors in creating a good feeling in a mosque and it can play a role as a sensory medium to communicate spiritually with God. Therefore, the acoustic standards have defined the optimal level ...
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Increasing the efficiency of an electrostatic precipitator using fuzzy adaptive state-feedback controllers
(Iranian Society of Acoustics and Vibration and Avecina, 2024-01-01)In recent years, electrostatic precipitators have been widely utilized in waste gas treatment processes across various plants and factories. Nevertheless, enhancing the efficiency of electrostatic precipitators requires ...
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Noise-robust gearbox fault detection: A deep learning approach
(Iranian Society of Acoustics and Vibration and Avecina, 2024-01-01)We introduce a novel approach to enhance gearbox fault diagnosis by integrating Long Short-Term Memory (LSTM) networks and Convolutional Neural Networks (CNNs) for vibrational data analysis. Our method aims to improve fault ...
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Vibro-acoustic behavior of unbalanced shaft-bearing-pedestal coupled system with bearing faults and looseness
(Iranian Society of Acoustics and Vibration and Avecina, 2024-01-01)Investigating the sound radiated from faulty rolling element bearings (REBs) in rotor-bearing systems is as crucial as studying their vibration characteristics. This approach offers experts and researchers a more comprehensive ...
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Investigation of different configurations of flow suction and blowing on the vibration behavior of a sprung cylinder with a square cross-section
(Iranian Society of Acoustics and Vibration and Avecina, 2024-01-01)The vortex shedding from a bluff body can provoke structural vibrations known as flow-induced vibrations (FIV), which characterize an intrinsic phenomenon in the design of cylindrical structures. There are numerous passive ...
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Hybrid Koopman-neural network approach for robust parameter estimation and prediction in duffing oscillators
(Iranian Society of Acoustics and Vibration and Avecina, 2024-01-01)Nonlinear dynamical system research is essential in science and engineering because it could be potentially employed to represent real-world phenomena. Traditional methods rely on pre-defined models or computationally ...
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Investigation of similarity or dissimilarity in aerodynamic performance and noise pollution of H-Darrieus wind turbines
(Iranian Society of Acoustics and Vibration and Avecina, 2023-01-01)This article investigates the impact of wind speed on the non-dimensional curve of the power coefficient-tip speed ratio and noise pollution of an H-Darrieus wind turbine. The Unsteady Reynolds-Averaged Navier-Stokes (URANS) ...
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Acoustical identification of historical mosques in Tabriz
(Iranian Society of Acoustics and Vibration and Avecina, 2024-01-01)Paying attention to the sound quality of mosques is one of the architectural fundamentals of Islamic societies because the mosque is the most prominent ritual place of Islam, and speech and hearing are considered its main ...
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Vibrations of finite beams on nonlinear Kelvin–Voight foundations subjected to a traveling mass
(Iranian Society of Acoustics and Vibration and Avecina, 2023-01-01)With the development of high-speed trains, the interest in studying the possibility of resonance in rail and railroad vehicles has increased. In this paper, an Euler–Bernoulli beam model rested on a nonlinear Kelvin–Voight ...
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Experimental investigation of natural frequency uncertainties in disc brakes in contact with pads
(Iranian Society of Acoustics and Vibration and Avecina, 2023-01-01)The brake system is a critical component of any vehicle, ensuring safety and control while driving. Disc brake stability, understanding and optimizing the contact area between the disc and the pad is crucial for improving ...
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Analytical determination of Iwan and Maxwell slip models of an elastic frictional rough interface
(Iranian Society of Acoustics and Vibration and Avecina, 2023-07-01)This paper analytically derives the Maxwell slip model associated with a frictional rough contact interface using the multi-asperity contact theory in the elastic region. The multi-asperity contact theory based on the ...
