Results 1 to 10 of about 536,565 (302)

Semi-Analytical Finite Element (SAFE) method for plotting Lamb waves dispersion curves of an aluminum plate and comparison with Disperse software [PDF]

ITM Web of Conferences, 2022
Investigation into ultrasonic Non-destructive evaluation (NDE) methods for assessing complex designs depends firmly on displaying apparatuses that calculate dispersion curves.
Yacoubi Abdelali, Jabiri Ayoub, El Allami Mhammed   +2 more
doaj   +1 more source

Estimation of the Soil Layers Thickness Using Multi-Chanel Analysis of Surface Waves and Surface Wave Dispersion Curve [PDF]

Journal of Structural and Construction Engineering, 2021
One of the most interesting topics in the geotechnical and geophysical engineering is the use of surface waves to characterize the earth subsurface layers.
Mehdi Hashemi Jokar, Hossein Rahnema, Abdolhossein Baghlani   +2 more
doaj   +1 more source

Comparison of dispersion characteristics of hollow-core photonic crystal fibers filled with aromatic compounds

Tạp chí Khoa học Đại học Huế: Khoa học Tự nhiên, 2021
In this paper, hollow-core photonic crystal fibers (PCFs) infiltrated with benzene and nitrobenzene are designed and investigated. Their dispersion characteristics are numerically simulated.
Thi Thuy Nguyen, Van Trong Dang, Trong Duc Hoang, Tran Bao Tran Le, Bao Xuan Le, Quoc Vu Tran, Thi Minh Ngoc Vo, Van Lanh Chu   +7 more
doaj   +1 more source

Deep learning algorithms for design of periodic structures and dispersion curves calculation

Research and Review Journal of Nondestructive Testing, 2023
Periodic structure is useful and powerful tool for the wave manipulation. The development of design and analysis of periodic structures using traditional methods (analysis of eigenfrequencies by the finite element method) takes quite a lot of time ...
Kseniia Barashok, Boris I, Jaesun Lee
doaj   +1 more source

Acoustic Characteristics Analysis of Double-Layer Liquid-Filled Pipes Based on Acoustic–Solid Coupling Theory

Applied Sciences, 2023
Based on the theory of acoustic–solid coupling, the phase velocity-thickness product of a double-layer liquid-filled pipeline is analyzed, and the dispersion relationship between angular frequency and wavenumber–thickness product is analyzed, providing a
Jin Yan, Jiangfeng Li, Lvlong Zou, Dapeng Zhang, Cheng Wang, Zhi Tang   +5 more
doaj   +1 more source

Quality influencing factors of dispersion curves from short period dense arrays based on a convolutional neural network across the north section of the Xiaojiang fault areaKey points

Earthquake Science, 2023
The number of dispersion curves increases significantly when the scale of a short-period dense array increases. Owing to a substantial increase in data volume, it is important to quickly evaluate dispersion curve quality as well as select the available ...
Si Chen, Rui Gao, Zhanwu Lu, Yao Liang, Wei Cai, Lifu Cao, Zilong Chen, Guangwen Wang   +7 more
doaj   +1 more source

Seismic Interferometry Method Based on Hierarchical Frequency Fusion and Its Application in Microtremor Survey

Applied Sciences, 2023
Site velocity structure determination and stratigraphic division are important purposes of microtremor survey, and the precision of dispersion curves is an important factor affecting the accuracy of microtremor survey.
Xingang Mou, Xingyuan Wan, Hongyue Liu, Jinhuo Zheng, Xiao Zhou, Bin Zhou   +5 more
doaj   +1 more source

Influence of Dielectric Screenings on Phonon Frequencies and Acoustic Properties of Pd-Based Bulk Metallic Glasses

East European Journal of Physics, 2020
The phonon dispersion curves for bulk metallic glasses (BMGs) Pd40Ni10Cu30P20 and Pd64Ni16P20 are computed for the longitudinal and transverse phonon frequencies using the simple model given by Bhatia and Singh.
R. R. Koireng, P. C. Agarwal, Alpana Gokhroo   +2 more
doaj   +1 more source

Surface Plasmons in Carbon Nanotubes with Elliptical Cross Section [PDF]

Журнал нано- та електронної фізики, 2017
The paper describes surface plasmons in metallic carbon nanotubes based on the complete system of Maxwell's equations. Dispersion relation for plasmons in nanotubes with an elliptic cross section has been obtained with the use of the boundary ...
A.V. Korotun, І.М. Titov, A.O. Koval’   +2 more
doaj   +1 more source

Influence of Physical Parameters of Coal Seam on “Cross” Phenomenon of Rayleigh In-seam Wave Dispersion Curve

Meikuang Anquan, 2020
Dispersion curves of Rayleigh channel waves may have “cross” between the fundamental and first higher order modes either in the phase velocities or in group velocities in the low frequency band.
HE Daxi, ZHU Peimin, SHEN Suishui, CAI Wei, WANG Wengang
doaj   +1 more source