Journal of Sound and Vibration最新文献_第10页

Bayesian emulation for forecasting modal frequencies under multivariate environmental variability with data association metric and incremental updating 基于数据关联度量和增量更新的多变量环境下模态频率的贝叶斯仿真

IF 4.3 2区工程技术

Journal of Sound and Vibration Pub Date : 2025-05-13 DOI: 10.1016/j.jsv.2025.119206

Le-Le Zhang , Wang-Ji Yan , Ka-Veng Yuen , Costas Papadimitriou , Wei-Xin Ren

{"title":"Bayesian emulation for forecasting modal frequencies under multivariate environmental variability with data association metric and incremental updating","authors":"Le-Le Zhang , Wang-Ji Yan , Ka-Veng Yuen , Costas Papadimitriou , Wei-Xin Ren","doi":"10.1016/j.jsv.2025.119206","DOIUrl":"10.1016/j.jsv.2025.119206","url":null,"abstract":"<div><div>Accommodating the influence of Environmental and Operational Variability (EOV) on modal parameters has been a critical issue in Structural Health Monitoring (SHM). In this study, a Bayesian predictive model incorporating data association metric and incremental updating scheme is proposed to forecast the variability of modal frequencies under EOV. Fast Bayesian Operational Modal Analysis (FBOMA) is firstly employed to identify the modal properties. Based on the training data set of identified modal frequencies and multivariate Environmental and Operational Parameters (EOPs), Maximal Information Coefficient (MIC) as an efficient data association metric capable of capturing a wide range of associations is employed to measure their dependence, thereby screening out the factors with the largest correlation. Subsequently, Bayesian emulator providing a nonlinear surrogate mapping between the probability spaces of the modal frequencies and multivariate EOPs is established as a predictive model to forecast the Most Probable Values (MPVs) and associated uncertainties of modal frequencies due to arbitrary EOV. The approach constantly adapts the new field measurements to incrementally update the predictive model and improve the prediction accuracy. The case study using long-term monitoring of the Z24-Bridge demonstrates the superior prediction accuracy of the proposed scheme. Also, the proposed probabilistic input-output modelling scheme has the potential of distinguishing the variations of frequencies due to damage and EOV. This work provides a new possibility for simultaneously accommodating coupling effect of multivariate factors, nonlinear relationship, and multiple uncertainties.</div></div>","PeriodicalId":17233,"journal":{"name":"Journal of Sound and Vibration","volume":"614 ","pages":"Article 119206"},"PeriodicalIF":4.3,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144178665","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Identification of operational modal parameters using multi-reference weighted Hermitian transmissibility functions 基于多参考加权厄米传递函数的运行模态参数辨识

IF 4.3 2区工程技术

Journal of Sound and Vibration Pub Date : 2025-05-13 DOI: 10.1016/j.jsv.2025.119212

Reza Tarinejad, Farhad Amanzad

{"title":"Identification of operational modal parameters using multi-reference weighted Hermitian transmissibility functions","authors":"Reza Tarinejad, Farhad Amanzad","doi":"10.1016/j.jsv.2025.119212","DOIUrl":"10.1016/j.jsv.2025.119212","url":null,"abstract":"<div><div>In recent years, methods have been developed to examine the dynamic behavior of structures without affecting their performance. Among these methods, modal parameter identification based solely on output data is a cost-effective approach. Since structures are influenced by multiple input sources simultaneously, the use of poly-reference methods is essential for identifying the structural poles with minimal uncertainty. The main drawback of poly-reference methods is their dependence on loading conditions, which must differ significantly to accurately identify the structural poles. Another limitation of these methods is the presence of non-periodic harmonic components in the frequency responses of structures, which cause dispersion around the structural poles and lead to the identification of spurious poles. To address these issues, a new approach called Poly Reference Weighted Hermitian Transmissibility Operational Modal Analysis (P-WHTOMA) is employed. In this study, a 4-DOF measured structure is analyzed under three earthquake records with varying noise levels using this novel approach. This method utilizes the weight effects on the structural responses to reduce the frequency domain of the responses and minimize spectral dispersion around the structural poles. Therefore, modal parameters are identified with minimal uncertainty under similar loading conditions and correlated input sources. Furthermore, by defining transmissibility functions using Hermitian polynomials, orthogonality is established between the normal vectors of the transmissibility functions, resulting in the identification of modal parameters at the structural poles with reduced uncertainty. In this new approach, increasing noise has less impact on the identification of structural poles. Another advantage of this method is that, unlike single-reference methods, higher structural modes are identified with greater resolution.</div></div>","PeriodicalId":17233,"journal":{"name":"Journal of Sound and Vibration","volume":"615 ","pages":"Article 119212"},"PeriodicalIF":4.3,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144099184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A quantitative study of energy localization characteristics in defect-embedded monoatomic phononic crystals 缺陷嵌入单原子声子晶体能量局域化特性的定量研究

IF 4.3 2区工程技术

Journal of Sound and Vibration Pub Date : 2025-05-12 DOI: 10.1016/j.jsv.2025.119164

Vinod Ramakrishnan, Kathryn H. Matlack

{"title":"A quantitative study of energy localization characteristics in defect-embedded monoatomic phononic crystals","authors":"Vinod Ramakrishnan, Kathryn H. Matlack","doi":"10.1016/j.jsv.2025.119164","DOIUrl":"10.1016/j.jsv.2025.119164","url":null,"abstract":"<div><div>Phononic crystals (PnCs) are periodic engineered media that can customize the spatio-temporal characteristics of mechanical energy propagation. PnCs that additionally leverage precisely embedded defects can achieve robust energy localization with desirable spatio-temporal characteristics, opening avenues for critical engineering applications, e.g., energy harvesting, waveguiding, and fluid flow control. Numerous studies have qualitatively explored the localized dynamics via simulations and experiments, investigating the defect resonance frequency as the primary feature. However, the frequency represents only a subset of the relevant characteristics and a systematic approach to quantify the full scope of the defect dynamics remains elusive. This article establishes the frequency, mode shape, and localized velocity (or displacement) amplitude envelope as three significant factors governing the defect resonance dynamics, and quantitatively examines these characteristics using a modified version of the perturbed tridiagonal n-Toeplitz method. The proposed method accurately estimates the resonance characteristics in 1D and 2D defect-embedded monoatomic PnC lattices with single and multiple defects and elucidates the effects of damping. The method is used to highlight how the key characteristics of defect modes depend on system parameters. Finally, we demonstrate the benefits of defect modes through two defect-based monoatomic PnCs that can accommodate – (i) a virtual ground, and (ii) achieve customized acoustic interaction and absorption, and use the proposed method to analyze these scenarios. The proposed strategy can be readily extended to more elaborate PnCs and augments the design space for defect-based PnCs.</div></div>","PeriodicalId":17233,"journal":{"name":"Journal of Sound and Vibration","volume":"614 ","pages":"Article 119164"},"PeriodicalIF":4.3,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143941601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Disturbance attenuation over a frequency band: A multi- harmonics geometric design approach 一个频带上的干扰衰减：一种多谐波几何设计方法

IF 4.3 2区工程技术

Journal of Sound and Vibration Pub Date : 2025-05-11 DOI: 10.1016/j.jsv.2025.119204

Jiqiang Wang , Huajiang Ouyang

引用次数: 0

Design of a slow sound based meta-poro-elastic material with enhanced absorption capabilities 具有增强吸收能力的慢声超多孔弹性材料的设计

IF 4.3 2区工程技术

Journal of Sound and Vibration Pub Date : 2025-05-09 DOI: 10.1016/j.jsv.2025.119137

Walter Bova , Eugene Nijman , Markus Polanz , Domenico Mundo

{"title":"Design of a slow sound based meta-poro-elastic material with enhanced absorption capabilities","authors":"Walter Bova , Eugene Nijman , Markus Polanz , Domenico Mundo","doi":"10.1016/j.jsv.2025.119137","DOIUrl":"10.1016/j.jsv.2025.119137","url":null,"abstract":"<div><div>Poroelastic foams are generally efficient to absorb sound. Thanks to their typical extensive air-solid interface, these materials are able to dissipate energy through viscous and thermal interactions. However, because of their absorption mechanisms, they have a low absorption efficiency at wavelengths much larger than the layer thickness. Works on the optimization of the pore design have shown that little improvement can be obtained at low frequencies. Meso-scale inclusions embedded in foam-like materials have been employed to address this problem and broaden the working frequency ranges, mainly through resonance phenomena. Although the subwavelength resonators effectively absorb sound in the low frequency range, the sizes needed to achieve low frequency performance frequently prohibit practical use. In this work we demonstrate how compact sound absorbing panels can be designed by exploiting the slow sound propagation achieved in flexible rubber tubes. An axisymmetric FEM formulation is developed and an optimization of the Biot parameters is carried out. The designed meta-poro-elastic material, obtained by embedding rubber quarter wave resonators in a poroelastic foam, is able to absorb well the low frequency noise while keeping good absorption capabilities at high frequency.</div></div>","PeriodicalId":17233,"journal":{"name":"Journal of Sound and Vibration","volume":"613 ","pages":"Article 119137"},"PeriodicalIF":4.3,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144069959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synchronous patterns in two pendula suspended on multi degrees of freedom support 同步模式在两个钟摆上悬挂在多自由度的支撑上

IF 4.3 2区工程技术

Journal of Sound and Vibration Pub Date : 2025-05-09 DOI: 10.1016/j.jsv.2025.119159

Dawid Dudkowski, Barbara Błażejczyk–Okolewska, Tomasz Kapitaniak

{"title":"Synchronous patterns in two pendula suspended on multi degrees of freedom support","authors":"Dawid Dudkowski, Barbara Błażejczyk–Okolewska, Tomasz Kapitaniak","doi":"10.1016/j.jsv.2025.119159","DOIUrl":"10.1016/j.jsv.2025.119159","url":null,"abstract":"<div><div>We investigate the dynamics and possible synchronization scenarios of two pendula suspended on 3 DOF (three degrees of freedom) beam. The base has been equipped with supporting springs, allowing it to perform both translational and rotary oscillations (full plane motion). Depending on the parameters of the model, we have determined different regions of classical synchronous patterns, as well as uncovered more complex scenarios, including irregular motion and quasiperiodic synchronization. As we have observed, in particular cases the beam can begin to imitate an additional pendulum, performing oscillations with the amplitude comparable to the nodes. The co-existence of possible states has been studied and visualized using basins of attraction, and the properties of synchronous solutions have been discussed. Using the energy balance method, we have followed the energy flows within the system when the dynamics changes. The results presented in this paper have been collected using classical bifurcation tools and modern sample-based methods, showing that both approaches are complementary and can be applied in the analysis of complex nonlinear problems. Enhancing the freedom of motion of the supporting base, we can investigate more practical scenarios of coupled pendula and pendula-like systems, developing the synchronization theory and its use in solving modern engineering problems.</div></div>","PeriodicalId":17233,"journal":{"name":"Journal of Sound and Vibration","volume":"613 ","pages":"Article 119159"},"PeriodicalIF":4.3,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143936868","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Control of dynamic interaction between the beam bending and liquid sloshing 光束弯曲与液体晃动动态相互作用的控制

IF 4.3 2区工程技术

Journal of Sound and Vibration Pub Date : 2025-05-08 DOI: 10.1016/j.jsv.2025.119172

Jiawei Han, Jie Huang

引用次数: 0

Cross-axis bending-torsion coupled dynamic model for thermal-induced frequency drift of 2D MEMS micromirrors 二维MEMS微镜热激频率漂移的跨轴弯曲-扭转耦合动力学模型

IF 4.3 2区工程技术

Journal of Sound and Vibration Pub Date : 2025-05-08 DOI: 10.1016/j.jsv.2025.119190

Ze-Yu Zhou, Kai-Ming Hu, Er-Qi Tu, Guang Meng, Wen-Ming Zhang

{"title":"Cross-axis bending-torsion coupled dynamic model for thermal-induced frequency drift of 2D MEMS micromirrors","authors":"Ze-Yu Zhou, Kai-Ming Hu, Er-Qi Tu, Guang Meng, Wen-Ming Zhang","doi":"10.1016/j.jsv.2025.119190","DOIUrl":"10.1016/j.jsv.2025.119190","url":null,"abstract":"<div><div>Thermal-induced frequency drift poses significant threats to the performance and long-term reliability of microelectromechanical systems (MEMS) micromirrors. Unlike uniaxial micromirrors, cross-axis two-dimensional (2D) micromirrors exhibit the substantially different bending-torsion coupled dynamic behaviors due to mutually perpendicular beams. Therefore, it is interesting yet challenging to reveal the coupling effect on the cross-axis bending-torsion coupled dynamic behaviors of 2D micromirrors. Here, a temperature-dependent cross-axis bending-torsion coupled dynamic model is developed to elucidate the thermal-induced frequency drift of 2D micromirrors. The proposed model explains the intricate multimodal coupling relationships of cross-axis 2D micromirrors, indicating that the thermal-induced frequency drift of fast-scanning mode is influenced not only by the torsional stiffness of fast-axis beam, but also by the bending stiffness of slow-axis beam. Consequently, by introducing the temperature-dependent cross-axis bending-torsion coupled stiffness matrix, the prediction error of thermal-induced frequency drift is reduced by 88.7 %. Furthermore, a package optimization method for low thermal-induced frequency drift is presented based on the proposed model. As a result, the temperature coefficient of frequency (TCF) is decreased by 62.4 % at the temperature difference of 120 K, which significantly improves the frequency stability of cross-axis 2D micromirrors. This work helps to better comprehend the cross-axis bending-torsion coupled dynamic behaviors of MEMS devices, as well as provides general design guidelines for the low thermal-induced frequency drift and crosstalk-free 2D MEMS micromirrors.</div></div>","PeriodicalId":17233,"journal":{"name":"Journal of Sound and Vibration","volume":"613 ","pages":"Article 119190"},"PeriodicalIF":4.3,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144069960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The local anti-resonance of guided elastic waves: An analytical perspective and application for wave mode tuning 弹性导波的局部反共振：波模调谐的解析视角及应用

IF 4.3 2区工程技术

Journal of Sound and Vibration Pub Date : 2025-05-07 DOI: 10.1016/j.jsv.2025.119192

Wenxin Lai , Paixin Chen , Kai Wang , Shuang Xu , Ruiqi Guan , Honglin Yan , Zhongqing Su

{"title":"The local anti-resonance of guided elastic waves: An analytical perspective and application for wave mode tuning","authors":"Wenxin Lai , Paixin Chen , Kai Wang , Shuang Xu , Ruiqi Guan , Honglin Yan , Zhongqing Su","doi":"10.1016/j.jsv.2025.119192","DOIUrl":"10.1016/j.jsv.2025.119192","url":null,"abstract":"<div><div>Despite the proven high sensitivity of nonlinear features in guided elastic waves to material degradation and undersized defects, the accurate measurement of defect-induced nonlinear wave features remains challenging primarily due to the pronounced nonlinear waves from disturbing sources. In this investigation, an analytical investigation of the previously un-explored local anti-resonance (LAR) phenomenon induced by guided elastic waves is performed, and the capability of LAR for tuning guided wave mode is identified which enables the suppression of undesired nonlinear waves from the disturbing sources. In the analytical investigation, the normal mode expansion method is adopted to analyze the guided wave reflection at the boundaries of a flat bottom hole, on which basis the generation of local anti-resonance is interpreted from the perspective of destructive interference of trapped waves in the hole. The capability of LAR for guided wave mode tuning is demonstrated, and thus an approach leveraging this capability is developed to suppress the undesired higher harmonics in guided waves, allowing for the precise acquisition of nonlinear waves associated with material defect. Numerical simulations and experimental investigations are performed for the proof-of-concept. This investigation presents a significantly simpler and more implementable design for achieving mode tuning compared to existing solutions. Addressing the critical obstacle for accurate measurement of nonlinear features in guided waves, the proposed method can remarkably enhance the application of structural health monitoring and nondestructive evaluation methods based on nonlinear features in guided waves.</div></div>","PeriodicalId":17233,"journal":{"name":"Journal of Sound and Vibration","volume":"615 ","pages":"Article 119192"},"PeriodicalIF":4.3,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144089708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Reducing airfoil trailing-edge noise through chordwise-varying porous airfoil design 通过弦向变化多孔翼型设计降低翼型尾缘噪声

IF 4.3 2区工程技术

Journal of Sound and Vibration Pub Date : 2025-05-07 DOI: 10.1016/j.jsv.2025.119149

Yuqi Xiao , Xiang Song , Jiakai He , Qiuhong Liu , Jie Zhou

引用次数: 0