Discrete Velocity Models for Polyatomic Molecules Without Nonphysical Collision Invariants
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Statistical Physics"
DOI: 10.1007/s10955-018-2063-4
Abstract: An important aspect of constructing discrete velocity models (DVMs) for the Boltzmann equation is to obtain the right number of collision invariants. Unlike for the Boltzmann equation, for DVMs there can appear extra collision invariants,… read more here.
Keywords: discrete velocity; polyatomic molecules; collision invariants; velocity models ... See more keywords
Analysis of the wave propagation paths in numerical reinforced concrete models
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2020.115861
Abstract: Abstract The paper aims to study the characteristics of the wave propagation paths in reinforced concrete and to improve the existing velocity models. Therefore, coefficients of reflection and transmission with regard to energy were analyzed… read more here.
Keywords: propagation paths; numerical reinforced; velocity models; wave propagation ... See more keywords
Multiscale Data-Driven Seismic Full-Waveform Inversion With Field Data Study
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3114101
Abstract: Seismic full-waveform inversion (FWI), which uses iterative methods to estimate high-resolution subsurface models from seismograms, is a powerful imaging technique in exploration geophysics. In recent years, the computational cost of FWI has grown exponentially due… read more here.
Keywords: inversion; waveform inversion; velocity models; seismic full ... See more keywords
Correlated velocity models as a fundamental unit of animal movement: synthesis and applications
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DOI: 10.1186/s40462-017-0103-3
Abstract: BackgroundContinuous time movement models resolve many of the problems with scaling, sampling, and interpretation that affect discrete movement models. They can, however, be challenging to estimate, have been presented in inconsistent ways, and are not… read more here.
Keywords: correlated velocity; movement; velocity models; movement models ... See more keywords
Extracting geologic information directly from high-resolution full-waveform inversion velocity models; a case study from offshore Trinidad
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DOI: 10.1190/tle36010067.1
Abstract: The East Coast Marine Area (ECMA) of Trinidad and Tobago contains producing gas fields where the imaging of seismic data is known to be challenging. This difficulty has been attributed to the combination of the… read more here.
Keywords: velocity models; full waveform; velocity; waveform inversion ... See more keywords