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Fast Multipole Boundary Element Method for Aerodynamic Sound Field Analysis Based on Lighthill's Equation 基于Lighthill方程的气动声场分析快速多极边界元法
IF 1.9 3区 物理与天体物理
Journal of Theoretical and Computational Acoustics Pub Date : 2023-05-26 DOI: 10.1142/s2591728523500093
T. Masumoto, M. Mori, Y. Yasuda, Naohisa Inoue, T. Sakuma
{"title":"Fast Multipole Boundary Element Method for Aerodynamic Sound Field Analysis Based on Lighthill's Equation","authors":"T. Masumoto, M. Mori, Y. Yasuda, Naohisa Inoue, T. Sakuma","doi":"10.1142/s2591728523500093","DOIUrl":"https://doi.org/10.1142/s2591728523500093","url":null,"abstract":"","PeriodicalId":55976,"journal":{"name":"Journal of Theoretical and Computational Acoustics","volume":"35 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76158982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of clustering based Virtual SEA subsystem generation models 基于聚类的虚拟SEA子系统生成模型的比较
IF 1.9 3区 物理与天体物理
Journal of Theoretical and Computational Acoustics Pub Date : 2023-03-31 DOI: 10.1142/s2591728523500081
D. Sipos, D. Feszty
{"title":"Comparison of clustering based Virtual SEA subsystem generation models","authors":"D. Sipos, D. Feszty","doi":"10.1142/s2591728523500081","DOIUrl":"https://doi.org/10.1142/s2591728523500081","url":null,"abstract":"","PeriodicalId":55976,"journal":{"name":"Journal of Theoretical and Computational Acoustics","volume":"84 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76945699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High Resolution Backscattering Acoustic Tomography Method Based on Reverse Time Migration for Arbitrary Wideband Sounding Signal 基于逆时偏移的任意宽带探测信号高分辨率后向散射声层析成像方法
IF 1.9 3区 物理与天体物理
Journal of Theoretical and Computational Acoustics Pub Date : 2023-03-27 DOI: 10.1142/s2591728521500262
D. Sukhanov, Anzhela E. Kuzovova
{"title":"High Resolution Backscattering Acoustic Tomography Method Based on Reverse Time Migration for Arbitrary Wideband Sounding Signal","authors":"D. Sukhanov, Anzhela E. Kuzovova","doi":"10.1142/s2591728521500262","DOIUrl":"https://doi.org/10.1142/s2591728521500262","url":null,"abstract":"Backscattered wave acoustic tomography using wideband probing signals makes it possible to obtain three-dimensional (3D) images of scattering inhomogeneities. Signal processing based on the reverse time migration (RTM) method allows one to take into account the influence of background refractive obstacles of the medium to minimize distortions of reconstructed tomographic images. We propose a noniterative method of acoustic tomography in an immersion medium based on RTM approach supplemented with linear signal preprocessing to enhance resolution of reconstructing tomography images. The visualization of scattering objects is based on wave inversion from the measurement area considering the probing wave field specially distorted to perform regularized back convolution. The applicability of the proposed method for visualizing scattering objects in water is shown analytically, numerically and experimentally. The proposed method is resistant to noise according to regularization. The results obtained show the agreement between the numerical and analytical solution. Using the example of sounding with linear frequency modulation signals, it is demonstrated that the proposed method allows increasing the resolution of tomographic images in comparison with conventional RTM. The novelty of the proposed method is the preliminary filtration of the forward propagation wave in the course of solving the inverse problem. This approach improves the resolution of tomographic images and allows considering the influence of obstacles.","PeriodicalId":55976,"journal":{"name":"Journal of Theoretical and Computational Acoustics","volume":"9 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81670448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Geoacoustic inversion with a single vector sensor and multichannel dispersion curves 利用单矢量传感器和多通道色散曲线进行地声反演
IF 1.9 3区 物理与天体物理
Journal of Theoretical and Computational Acoustics Pub Date : 2023-03-08 DOI: 10.1142/s259172852350007x
Alexandre L. Guarino, Kevin B. Smith, K. Gemba, O. Godin
{"title":"Geoacoustic inversion with a single vector sensor and multichannel dispersion curves","authors":"Alexandre L. Guarino, Kevin B. Smith, K. Gemba, O. Godin","doi":"10.1142/s259172852350007x","DOIUrl":"https://doi.org/10.1142/s259172852350007x","url":null,"abstract":"","PeriodicalId":55976,"journal":{"name":"Journal of Theoretical and Computational Acoustics","volume":"31 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87612567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of the Sound Pressure in Membrane-sealed Pistonphone 膜密封活塞筒内声压分析
IF 1.9 3区 物理与天体物理
Journal of Theoretical and Computational Acoustics Pub Date : 2023-02-09 DOI: 10.1142/s2591728523500068
Junjie Zhong, Wei Liu, Kaiwei Zhang, Fan Zhang, W. He
{"title":"Analysis of the Sound Pressure in Membrane-sealed Pistonphone","authors":"Junjie Zhong, Wei Liu, Kaiwei Zhang, Fan Zhang, W. He","doi":"10.1142/s2591728523500068","DOIUrl":"https://doi.org/10.1142/s2591728523500068","url":null,"abstract":"","PeriodicalId":55976,"journal":{"name":"Journal of Theoretical and Computational Acoustics","volume":"11 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86648271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Excitation of Scholte Waves at a Sinusoidal Interface of Seafloor 海底正弦界面处Scholte波的激发
IF 1.9 3区 物理与天体物理
Journal of Theoretical and Computational Acoustics Pub Date : 2023-01-20 DOI: 10.1142/s2591728523500056
Minshuai Liang, Gaokun Yu, Liang Wang, Linhui Peng
{"title":"Excitation of Scholte Waves at a Sinusoidal Interface of Seafloor","authors":"Minshuai Liang, Gaokun Yu, Liang Wang, Linhui Peng","doi":"10.1142/s2591728523500056","DOIUrl":"https://doi.org/10.1142/s2591728523500056","url":null,"abstract":"","PeriodicalId":55976,"journal":{"name":"Journal of Theoretical and Computational Acoustics","volume":"74 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90516486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of Gap Flow Effects on Sound Transmission Through a Micro-Perforated Sandwich Cylindrical Shell Excited by a Plane Wave 平面波激励下间隙流动对微穿孔夹层圆柱壳声传输影响的研究
IF 1.9 3区 物理与天体物理
Journal of Theoretical and Computational Acoustics Pub Date : 2023-01-20 DOI: 10.1142/s2591728523500044
Qunlin Zhang, Kaifang Que, Jinfu Du, Tong Zhao
{"title":"Study of Gap Flow Effects on Sound Transmission Through a Micro-Perforated Sandwich Cylindrical Shell Excited by a Plane Wave","authors":"Qunlin Zhang, Kaifang Que, Jinfu Du, Tong Zhao","doi":"10.1142/s2591728523500044","DOIUrl":"https://doi.org/10.1142/s2591728523500044","url":null,"abstract":"","PeriodicalId":55976,"journal":{"name":"Journal of Theoretical and Computational Acoustics","volume":"21 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79329580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Statistical Characterization of Seismic Signals 地震信号的统计特征
IF 1.9 3区 物理与天体物理
Journal of Theoretical and Computational Acoustics Pub Date : 2023-01-05 DOI: 10.1142/s2591728522500049
Costas Smaragdakis, John Mastrokalos, Michael I. Taroudakis
{"title":"Statistical Characterization of Seismic Signals","authors":"Costas Smaragdakis, John Mastrokalos, Michael I. Taroudakis","doi":"10.1142/s2591728522500049","DOIUrl":"https://doi.org/10.1142/s2591728522500049","url":null,"abstract":"<p>This paper presents a study on the applicability of a method for the statistical characterization of seismic signals which is based on the statistics of their wavelet sub-band coefficients using <span><math altimg=\"eq-00001.gif\" display=\"inline\" overflow=\"scroll\"><mi>α</mi></math></span><span></span> stable distributions. The method was originally applied to underwater acoustic signals of the type used in ocean acoustic tomography and seabed classification applications. The same protocol was applied to seismic signals representing the vertical displacement, measured on a traditional seismograph. The study showed that this process can indeed provide a means of characterizing a seismic signal and be used to estimate similarities between seismic signals, which is an important factor in studying seismic activity in an area.</p>","PeriodicalId":55976,"journal":{"name":"Journal of Theoretical and Computational Acoustics","volume":"26 1-2","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138519859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Poly-grid Spectral Element Modeling for Wave Propagation in Complex Elastic Media 复杂弹性介质中波传播的多网格谱元模拟
IF 1.9 3区 物理与天体物理
Journal of Theoretical and Computational Acoustics Pub Date : 2022-12-30 DOI: 10.1142/s2591728523500032
C. Su, G. Seriani
{"title":"Poly-grid Spectral Element Modeling for Wave Propagation in Complex Elastic Media","authors":"C. Su, G. Seriani","doi":"10.1142/s2591728523500032","DOIUrl":"https://doi.org/10.1142/s2591728523500032","url":null,"abstract":"","PeriodicalId":55976,"journal":{"name":"Journal of Theoretical and Computational Acoustics","volume":"41 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2022-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88818822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A frequency-domain formulation for predicting multi-frequency noise generated by flows with periodically moving boundaries 一种预测边界周期性移动的流所产生的多频噪声的频域公式
IF 1.9 3区 物理与天体物理
Journal of Theoretical and Computational Acoustics Pub Date : 2022-12-22 DOI: 10.1142/s2591728523500019
Zhiteng Zhou, Hongping Wang, Zhenyu Zang, Shizhao Wang
{"title":"A frequency-domain formulation for predicting multi-frequency noise generated by flows with periodically moving boundaries","authors":"Zhiteng Zhou, Hongping Wang, Zhenyu Zang, Shizhao Wang","doi":"10.1142/s2591728523500019","DOIUrl":"https://doi.org/10.1142/s2591728523500019","url":null,"abstract":"","PeriodicalId":55976,"journal":{"name":"Journal of Theoretical and Computational Acoustics","volume":"06 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2022-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88362615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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