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Dynamical analysis of a vertical excited pendulum using He’s perturbation method J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-05-16 Abdallah A Galal, TS Amer, Wael S Amer, Heba Ali Elkafly
The current paper investigates the nonlinear dynamics of an excited pendulum by a crank-shaft-slider mechanism (CSSM), in which it is restricted to move vertically. He’s method of homotopy is emplo...
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Low-frequency broadband multidirectional vibration isolation by piezoelectric smart platform with active control J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-05-15 Wentao Zou, Ningdong Hu, Xue Yang, Hongping Hu
A high-precision equipment is very sensitive to vibration, even micro vibration. How to isolate the low-frequency broadband multidirectional vibration remains a challenge. As the main component of ...
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Effects of porosity distribution and piezoelectric layers on natural frequencies and unsteady aerodynamic pressure of smart thick porous plates J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-05-11 Reza Bahaadini, Mojtaba Javaheri, Kazem Majidi-Mozafari, Mohammad Azimi-Nejad
In this paper, the effects of porosity distribution and piezoelectric layers on the natural frequencies and flutter aerodynamic pressure of smart thick porous plates in supersonic airflow are studi...
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Closed-form solutions to investigate the nonlinear response of foundations supporting operating machines under blast loads J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-05-09 Ayman Abd-Elhamed, Soliman Alkhatib, Mohamed A. Dagher
Machine foundations are subjected to significant dynamic impacts. These impacts could spread to the surrounding regions, affecting workers, sensitive equipment in the same institution, or nearby ar...
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Frequency domain-based analytical framework for seismic performance of viscously damped outrigger systems based on continuous Timoshenko beam theory J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-03-29 Chuangjie Fang
This paper proposes a frequency domain-based analytical framework for seismic performance of viscously damped outrigger systems. Based on a core–outrigger–damper–column simplified model, the global...
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Sufficiently small rotations of Lagrange’s gyro J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-03-28 AI Ismail, TS Amer, WS Amer
In this study, the motion of Lagrange’s gyro about its fixed point in the presence of a perturbed torque, a gyroscopic torque, and a varied restoring one is searched. We assume sufficiently small a...
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Numerical design and optimization of metamaterials for underwater sound absorption at various hydrostatic pressures J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-03-25 Yifeng Fu, Huming Wang, Pan Cao
Underwater sound absorption materials with a stable performance at various hydrostatic pressures are important for marine applications. However, most studies about underwater sound absorption mater...
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Dynamic behaviors for the graphene nano/microelectromechanical system in a fractal space J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-03-15 Guojuan Lv
The microelectromechanical devices have triggered rocketing interest in various advanced technologies, that is, sensors, material science, and energy harvesting, and now the devices tend to a nanos...
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Vibration isolation by a periodic beam with embedded acoustic black holes based on a hybrid dynamics method J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-03-15 Bowen Yao, Yanni Zhang, Qinbo Zhou, Bin He, Xiaoting Rui
The acoustic black hole (ABH) has been proved to reduce broadband vibration response in beams and plates. While the traditional analytical and semi-analytical methods can only deal with the respons...
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On the oscillations in a nonextensive complex plasma by improved differential transformation method: An application to a damped Duffing equation J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-03-14 Noufe H Aljahdaly, Maram A Alharbi, Abrar A Alharbi, RA Alharbey, SA EL-Tantawy
In this study, the nonlinear damping oscillations in a complex non-Maxwellian plasma are investigated. For this purpose, the set of fluid equations of the present plasma model is reduced to the Bur...
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Effective sensor location for detection of change in structural dynamic response J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-03-14 J Woodall, A Maji, F Moreu
This paper investigates the sensitivity of structural system response to the sensor location by investigating consequences of small changes in the location to the structural system response. The pa...
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Study on the dynamics characteristics and screening performance of the disc spring vibration screen J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-03-12 Jiacheng Zhou, Libin Zhang, Longchao Cao, Junjie Tang, Kuanmin Mao, Lianqing Yu
The disc spring system is applied to the vibration screen, which can effectively reduce the exciting force and improve screening capacity. In this work, the dynamic characteristics and screening pe...
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A study on dynamic stress of planetary gear transmission in non-inertial system J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-03-10 Jing Wei, Miaofei Cao, Aiqiang Zhang, Hao Cheng, Bin Peng
Considering the comprehensive effect of the internal non-inertial system of planetary gear transmission (PGT) and external non-inertial system of the body, combined with the modified Heywood formul...
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Approximate solutions of the fractional damped nonlinear oscillator subject to Van der Pol system J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-03-06 Yanni Zhang, Zhen Zhao, Jing Pang
This paper deals with fractal Van der Pol damped nonlinear oscillators equation having nonlinearity. By combining the techniques of the Laplace transform and the variational iteration method, we es...
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Successive approximate solutions for nonlinear oscillation and improvement of the solution accuracy with efficient non-perturbative technique J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-03-03 Yusry O El-Dib, Haifa A Alyousef
In the present study, several successive approximate solutions of the nonlinear oscillator are derived by using the efficient frequency formula. A systematical analysis of the formulation of the no...
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Low-frequency sound radiation characteristics of imperfect acoustic black hole in thin plate J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-02-28 Pengchuan Liu, Yiqi Zhou, Rui Li
The unique dynamic characteristics and energy focalisation of the acoustic black hole (ABH) have been confirmed. Meanwhile, an ABH composite structure covered with a damping layer exhibits excellen...
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Advanced investigations of a restricted gyrostatic motion J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-02-28 Abdelaziz I Ismail, Tarek S Amer, Wael S Amer
In this work, we present advanced investigations and treatments for the problem of a restricted vibrating motion of a connected gyrostat with a spring. It is supposed that the gyrostat spins slowly...
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Numerical simulation of actuation processes and decoupling pyroshock of a pressure cartridge-type pin puller J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-02-28 Jingcheng Wang, Shihui Xiong, Yuquan Wen, Yadong Wang
In this study, a finite element model of a pressure cartridge-type pin puller is used to simulate the actuation process and predict the actuation shock using the deflagration equation of state and ...
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Bifurcations of Liouville tori of coupled sextic anharmonic oscillators J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-02-28 Fawzy M El-Sabaa, Tarek S Amer, Hadeer M Gad, Mohamed A Bek
In the current paper, the problem of sextic anharmonic oscillators is investigated. There are three integrable cases of this problem. Emphasis is placed on two integrable cases, and a full descript...
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Free vibration analysis of stepped FGM nanobeams using nonlocal dynamic stiffness model J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-02-27 Lien V Tran, Dinh B Tran, Phuong TT Phan
A nonlocal Dynamic Stiffness Model (DSM) for free vibration analysis of Functionally Graded Material (FGM) nanobeams on a Winkler elastic foundation based on the Nonlocal Elastic Theory (NET) is pr...
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Analysis of the stick-slip behavior of coupled oscillators with dry friction J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-02-24 Tarek S Amer, Mohamed O Shaker, Hamouda A Dahab
In this study, a model of two nonlinear spring masses subjected to a smooth friction-velocity curve is examined. The second order governing system of motion is obtained in view of the system fricti...
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A time-domain method for free vibration responses of an equivalent viscous damped system based on a complex damping model J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-02-15 Shuxia Wang, Jiajun He, Jia Fan, Panxu Sun, Dongwei Wang
The free vibration responses are divergent based on a complex time-domain damping model. The traditional step by step integration method cannot be used to calculate the time-domain responses. Based...
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A data-driven approach for modifying the rope dynamics model of the flexible hoisting system J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-01-27 Shuai Mao, Jiangfeng Tao, Jingren Xie, Shuang Xu, Longye Chen, Honggan Yu, Chengliang Liu
In the flexible hoisting system, past research focused on the physical modeling without considering complex external environmental variables such as guided rails excitation and shaft effect, leadin...
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Abundant explicit solutions for the M-fractional coupled nonlinear Schrödinger–KdV equations J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-01-27 Baojian Hong
In this study, the famous fractional generalized coupled cubic nonlinear Schrödinger–KdV equations arising in many domains of physics and engineering such as depicting the propagation of long waves...
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Influences of wheel polygon amplitude on wheel-rail vibration and sound radiation J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-01-20 Zhikun Song, Faming Wang, Xiaoyi Hu, Di Cheng, Qiang Li
Wheel polygon amplitude can greatly affect wheel-rail vibration and sound radiation. Based on multi-body dynamics theory, a vehicle-track rigid-flexible coupling dynamics model was established. Acc...
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Prediction of acoustic pressure of thermoacoustic combustion instability based on Elman neural network J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-01-17 Qingwen Zeng, Chunyan Hu, Hanling Xu, Jiaxian Sun, Xiangmin Tan, Junqiang Zhu
Accurate prediction of thermoacoustic instability is a prerequisite for thermoacoustic control to avoid the damage of combustion chamber, however, this problem has not been completely solved yet. T...
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Helmholtz resonator-based acoustic metamaterials enabling broadband asymmetric sound absorption and ventilation J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-01-12 Deshi Meng, Lijun Li, Zhenhua Wu
Acoustic metamaterials with both ventilation and broadband asymmetric absorption have demonstrated great scientific significance and promising applicability. In this work, we design an asymmetric a...
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Unsupervised structural damage detection based on an improved generative adversarial network and cloud model J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-01-12 Yongpeng Luo, Xu Guo, Lin-kun Wang, Jin-ling Zheng, Jing-liang Liu, Fei-yu Liao
The measurements derived from damaged conditions are difficult to acquire in actual structures, which limits the applicability of supervised damage detection methods. In this study, an unsupervised...
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Free vibration of a taut cable with internal high damping rubber dampers and an external negative stiffness damper J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-01-11 Yang Liu, Yan-wei Xu, Zhi-hao Wang
Frequent vibration events on the long stay cables highlight the need to control their multi-mode vibrations. Compared to commonly used viscous dampers for cable vibration control, the negative stif...
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Vibration alleviation for wind turbine gearbox with flexible suspensions based on modal interaction J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-01-10 Jiale Peng, Yushu Bian, Dongbo Tian, Peng Liu, Zhihui Gao
Wind turbine drivetrains play a fundamental role in converting wind power into electrical energy. The gearbox is one of the most important and expensive components in a wind turbine drivetrain. Sin...
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A novel technique to obtain a time-delayed vibration control analytical solution with simulation of He’s formula J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2023-01-04 Yusry O El-Dib, Nasser S Elgazery, Nada S Gad
The impetus for the current investigation relates to the implementation of an efficient novel technique to obtain a time-delayed vibration control analytical solution. The current technique follows...
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Structural health monitoring based on the cumulative function and cumulative circle of a defective beam under a moving load J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-12-27 Thanh Q Nguyen, Tuan A Nguyen, Thuy T Nguyen
A defective structure has been evaluated and identified in beam models’ deflection measurement signals in much research. However, many results have not been optimally exploited and evaluated to fin...
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Analysis of super-harmonic resonance and periodic motion transition of fractional nonlinear vibration isolation system J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-12-26 Minghe Qu, Qing Yang, Shaopei Wu, Wangcai Ding, Jie Li, Guofang Li
The precision instruments and equipment are often utilized in low-frequency and micro-amplitude vibration systems, in which many vibration isolators of rubber materials are widely used. Ignoring th...
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Analysis of low-frequency vibration in a steam turbine based on closed-loop system identification J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-12-24 Shota Yabui, Hiroki Kotsuchihashi, Tsuyoshi Inoue
Steam turbines are used to generate thermal power in electric power plants. They are important industrial equipment that support societal infrastructure. The stable operation of steam turbines is n...
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Combination of modified Lindstedt-Poincare and homotopy perturbation methods J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-12-23 M. S. Alam, Nazmul Sharif, Md Helal Uddin Molla
Some strongly nonlinear oscillators have been investigated with the help of combined modified Lindstedt–Poincare and homotopy perturbation methods. The solutions are more accurate than those obtain...
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Theoretical and experimental study on sound absorption performance of Al2O3-polyurethane foam and microperforated plate composite structure J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-12-23 YUAN Binxia, HOU Weiguang, LIU Jianben, ZHOU Bing, ZHU Rui, CAO Lan
Low-frequency noise pollution in substations has a significant impact on the physical and mental health of workers. Reduction low-frequency noise pollution is an urgent problem to solve for researc...
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The analysis for the dynamic pull-in of a micro-electromechanical system J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-12-22 Guang-Qing Feng, Jing-Yan Niu
The pull-in behavior is an inherent property of the micro-electromechanical oscillator. The bisection method and an iterative method are introduced to find its pull-in voltage, and the main factors...
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Research on incremental nonlinear dynamic inverse control method for turboshaft engine based on Jacobi matrix J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-12-15 Jie Song, Yong Wang, Shancheng Li, Haibo Zhang
In order to enhance the anti-interference ability of the speed to external load and achieve the rapid response control for turboshaft engine of next-generation helicopters, an incremental nonlinear...
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Case studies on aeroacoustics damping performances of Coupled Helmholtz Resonators over low frequency ranges J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-12-12 Zhiguo Zhang, Chenzhen Ji, Yin Mya Win
Helmholtz resonators are widely applied in industries to reduce the transmission of unwanted noise and passively attenuate tonal noise in pipes/ducts. For example, internal combustion engines take ...
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Stick-slip stabilization in oil well drill-strings via optimal hybrid fractional order fuzzy logic control scheme J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-12-09 Billel Talbi, Abdelbaset Laib, Mohamed Gharib
Stick-slip vibration is regarded as one of the major factors that negatively influence the efficiency of the drilling processes. Therefore, it would be highly preferable to overcome the stick-slip ...
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Tropical algebra with high-order matrix for multiple-noise removal J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-12-05 Jing Wang
The technology for multiple-noise removal has triggered skyrocketing interest in both mathematics and engineering, and the tropical algebra has laid the foundation for an abundance of noise filters...
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Stochastic non-stationary characteristics of vehicle-induced bridge vibrations J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-12-05 Xia Hua, Feng Xiao, Gang S Chen, Wael Zatar, Leroy J Hulsey
Quantifying vehicle-bridge interaction mechanism is critical for bridge safety design, transportation weight control, condition assessments in maintenance, and structural health monitoring. In this...
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Analyzing the motion of a forced oscillating system on the verge of resonance J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-12-02 Sewalem Ghanem, Tarek S Amer, Wael S Amer, Shimaa Elnaggar, Abdallah A Galal
In this paper, a nonlinear vibrating dynamical system of two degrees-of-freedom is examined. By virtue of the generalized coordinates, the controlling system of motion is constructed using Lagrange...
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Vibro-acoustic characteristics of gear-rotor-bearing coupled system under multi-source excitation J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-12-01 Shengnan Wang, Jianxing Zhou, Adayi Xieeryazidan
With the development of machinery toward high speed, high power, and high reliability, the vibration and noise problems of gearboxes become more prominent. The vibro-acoustic characteristics of gea...
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Gaussian closure technique for a simple tank model with non-zero mean random load and elasto-plasticity J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-11-30 Holger Waubke, Christian H Kasess
Previously, it was shown how the behavior of chain-like structures including hysteretic elements as described by the Bouc model under white noise excitation can be calculated using Gaussian closure...
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A basic identification of late auditory evoked potentials at infrasound frequencies: Support via neural network–based signal processing J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-11-21 Christian Koch
Concerns about potential health risks from infrasound exposure require objective investigation methods for the perception of infrasound by humans. Neural-network methods were applied to identify we...
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Dynamic characteristics analysis method of flexible hanger based on Wittrick-Williams algorithm J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-11-21 Xia Liao, Danhui Dan, Fei Han
As important bearing members of the suspension and arch bridges, flexible slings determine the bearing capacity and durability of bridges. Therefore, it is of great significance to study its dynami...
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Field experimental tests and analyses of suspension frame vibration of low-medium speed maglev train J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-11-18 Fengyu Ou, Xiaokang Liao, Cai Yi, Zili Chen, Jianhui Lin
Pushed by social demands, China has continuously developed its low-medium speed maglev transportation systems in recent decades. However, with the increase of the running mileage of the train, high...
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Optimization of four-Chamber and eccentric ellipse mufflers hybridized with multi-Segment perforated/non-perforated tubes J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-11-12 Min-Chie Chiu, Ying-Chun Chang, Ho-Chih Cheng
Muffler with circular section and inner symmetric acoustical elements has been habitually used in industry. In order to improve the acoustical performance, an advanced eccentric muffler having elli...
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Properties of complex damping Helmholtz–Duffing oscillator arising in fluid mechanics J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-11-09 Yusry O El-Dib
The current paper presents the first treatment to obtain the solution of a complex Helmholtz–Duffing oscillator. This model has described the elevation of the surface waves in fluid mechanics. The ...
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Acoustic radiation performance investigation of a double-walled cylindrical shell equipped with annular plates and porous foam media J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-11-06 Zengquan Zheng, Bin Li, Shilin Yan, Menghui Qi, Ning Wang, Wenjian Kuang, Jian Wen, Yane Ma
Acoustic radiation through a system of double-walled shells, lined with porous foams, and stiffened by annular plates simultaneously is studied. Based on modeling, the porous foams as absorbent flu...
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Modified enhanced collaborative optimization method for artillery launching dynamic model with sequential process J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-10-31 Jipeng Xie, Guolai Yang, Quanzhao Sun
The artillery launch system directly influences the muzzle energy and launching accuracy, and therefore it is important to optimize the artillery launch system’s complete process to improve the lau...
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Exact solutions for the conformable fractional coupled nonlinear Schrödinger equations with variable coefficients J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-10-28 Baojian Hong
In this work, the general algebraic method is proposed for finding some solutions of a conformable fractional coupled nonlinear Schrödinger equation with variable coefficients arising in inhomogene...
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Vibration and sound pressure reduction over a wide frequency range with an optimal dynamic vibration absorber J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-10-27 Sol Ji Han, Dohyeong Kim, Gil Ho Yoon
In this study, an optimized dynamic vibration absorber (DVA) was applied to improve the sound absorption performance and simultaneously attenuate vibrations and structure-borne noise at multiple fr...
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Deconvolution beamforming based on a fast gradient algorithm for sound source localization J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-10-26 Ming Zan, Zhongming Xu, Zhifei Zhang, Zhonghua Tang, Linsen Huang
Deconvolution beamforming has gotten increased attention as a way to improve the spatial resolution of delay-and-sum beamforming. It has the ability to decrease sidelobes and increase resolution. H...
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Analytical modeling of the virtual sound insulation measurement suite and research on sound insulation test methods J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-10-25 Gang Wang, Zhehao Sheng, Deyu Kong, Yongfeng Zhang, Junfang Ni, Wenlong Li
With the development of modern industrial technology, it is an essential problem to calculate the noise reduction performance of the flexible partition walls. The sound insulation measurement model...
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Numerical investigation of the fractal capillary oscillator J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-10-25 Bin Chen, Junfeng Lu, Zhongze Xia
This paper focuses on the numerical investigation of a fractal modification of capillary oscillator by using a coupling technique based on the two-scale transformation and the global residue harmon...
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Effects of Brownian noise strength on new chiral solitary structures J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-10-22 Alharbi F Yousef, Emad K El-Shewy, Mahmoud AE Abdelrahman
In this paper, we investigate the nonlinear Chiral Schrödinger equation (CNLSE) in two dimensions where noise term affected randomly with time. This equation characterized some edges states of frac...
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Piezoelectric vibration energy harvesting with asymmetric hybrid bracing beam J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-10-17 Tianbing Ma, Liming Yin, Zhihao Zhang, Menghan Yin, Fei Du, Kaiheng Sun
In order to reduce the natural frequency of the piezoelectric vibration energy harvester, improve the output power of the piezoelectric vibration energy harvester, and meet the demand of power supp...
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Two-dimensional sparse Bayesian learning compressive beamforming with planar microphone array for acoustic source identification J. Low Freq. Noise Vib. Act. Control (IF 2.368) Pub Date : 2022-10-17 Shengping Fan, Yongxin Yang, Linyong Li, Zhigang Chu
Two-dimensional (2D) compressive beamforming (CB) with planar microphone array for acoustic source identification has attracted much attention due to its advantages of wide identification space, ap...