Dispersion Curves
Multimodal Layered Transdimensional Inversion of Seismic Dispersion Curves With Depth Constraints
... Rayleigh waves are a type of seismic wave that travel along the ground surface, which, in an active seismic survey, are ef fi ciently generated by a compressional wave source: such a source typically converts more than ...
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Axisymmetric Vibration of Piezo Lemv Composite Hollow Multilayer Cylinder
... the dispersion curves are compared with that of a similar 3-layer model and of 3 and 5 layer models with inner, middle, and outer hollow piezoelectric layers bonded by CFRP Carbon fiber reinforced plastics ...
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Lippa, Magdalena Anna (2018): Interferometry in astronomy: the GRAVITY metrology system and galaxy evolution with the IRAM interferometer. Dissertation, LMU München: Fakultät für Physik
... the dispersion curves cannot be explained by instrumental characteristic, but can rather be attributed to galaxy ...the dispersion curves, but deviations still ...
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Surface Wave Velocity Tracking by Bisection Method
... Group velocity, a velocity of wave packets calculated from observed seismograms, has been used to evaluate subsurface structures in large extent by comparing with theoretical counterpart computed from phase velocity ...
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Influence of anisotropy on the dispersion characteristics of guided ultrasonic plate modes
... the dispersion curves for these modes can exhibit multiple crossings in approaching this limit, and an analytic solution is presented for the constant crossing interval that occurs for propagation along ...
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Analysis of the photonic bandgaps for gyrotron devices
... The dispersion curves as a function of the ratio of rods radius r to the rods spacing a, were also derived for the global band gaps for general two-dimensional PBG structures formed by triangular and square ...
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Strong coupling between surface plasmon polaritons and Sulforhodamine 101 dye
... Dispersion curves measured by the method D1 from four samples are represented on Figure ...the dispersion relation with changing dye concentra- tion is in good agreement with the previously reported ...
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Velocities of long period surface waves and microseisms and their use in structural studies. I. Mantle Love and mantle Rayleigh waves and the structure of the earth's upper mantle. II. Microseisms and their application to seismic exploration
... The phase velocity data are compared with theoretical dispersion curves of seven different ea rth models.. Th e significant features of these models are correlated [r] ...
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Surface acoustic waves in two dimensional phononic crystal with anisotropic inclusions
... the dispersion curves have been achieved by introducing particular functions which transform motion equations into an Eigen value ...obtained dispersion curves reveal band gaps in the SAW ...
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Magnonic band structure investigation of one dimensional bi component magnonic crystal waveguides
... calculated dispersion curves of SWs, we found that the widths and center frequencies of the bandgaps are controllable by the component materials, the stripe width to lattice constant ratio as well as the ...
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Determination of dynamic gradient elasticity length scales
... numerical dispersion curve, while the solid line indicates the gradient analytical dispersion curve derived from Equation ...numerical dispersion curves of the material, with a maximum error ...
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Free Vibration Analysis of Beams
... REFERENCES 1> Volvoi V.V et al “Dynamic dispersion curves for non homogeneous, anisotropic beams with cross-sections of arbitrary geometry”, Journal of Sound and Vibration,1998 Article n[r] ...
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Exciton polaritons in single and coupled microcavities
... In a microcavity, the photon states are also quantised along z, and the correspondence in k-space between (QW) exciton and photon states, and the strong coupling limit, is restored. However, along z the photon has a ...
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Damage Imaging in Metallic and Composite Structures using Scanning Air-coupled and Laser Ultrasound
... wave dispersion curves in isotropic and anisotropic ...of curves mapping the velocities by sweeping the incident ...wavenumber dispersion curves of a 6061-T6 aluminum plate and AS4/3502 ...
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Characteristics of Guided Modes in Planar Chiral Nihility Meta-Material Waveguides
... The dispersion equations of general chiral planar waveguides in which both the core and cladding are chiral materials are ...the dispersion equations can be divided into two equations which correspond to ...
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Seismic Surface Wave Investigation of the Lake Erie Bluffs
... a dispersion curve, which is a plot of frequency versus phase velocity, for each shot record; picking the fundamental-mode from each dispersion curve record; inverting the dispersion curves to ...
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Characterization of Er in porous Si
... In the field of new Si-based materials for optoelectron- ics, we investigated the Er-doping process of n + -type PSi layers by several techniques. We were able to correlate the electrochemical behavior during the doping ...
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Frequency Time Analysis (FTAN) and Moment Tensor Inversion Solutions from Short Period Surface Waves in Cameroon (Central Africa)
... and dispersion waveforms using the frequency time analysis (FTAN) ...velocity dispersion curves, the residual as a function of depth, the amplitude spectra and the moment tensor solutions of the ...
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Download Download PDF
... Aiming to verify the dispersion curves presented in previous sections, the simulation of specific wave propagation in a prismatic bar of 1500x15x5mm was used. The simulation was made using the LSDYNA ...
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Asymptotic Solutions of Love Wave Propagation in a Covered Half-Space with Inhomogeneous Initial Stresses
... of dispersion equation (21) and consequently obtaining related dispersion curves we need to determine the variation pattern of the initial stresses in the ...
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