Results 11 to 20 of about 267,527 (261)

Influence of the magnetic field and the mean flow configuration on spatial structure and growth rate of normal modes

open access: yesSolar-Terrestrial Physics, 2023
The first part of the work presents the results of numerical experiments with the magnetohydrodynamic model of “shallow water” to assess the degree of influence of the magnetic field on the development of instabilities conditioned by a combination of ...
Mordvinov V. I.   +2 more
doaj   +1 more source

On the Effect of Horizontal Refraction Caused by an Anticyclonic Eddy in the Case of Long-Range Sound Propagation in the Sea of Japan

open access: yesJournal of Marine Science and Engineering, 2023
The precision of acoustic ranging and navigation depends on the accuracy of the information about the sound speed field in the area of interest. Large-scale inhomogeneities in the bottom relief and water column can significantly affect the horizontal ...
Mikhail Sorokin   +6 more
doaj   +1 more source

Improving the Performance of Mode-Based Sound Propagation Models by Using Perturbation Formulae for Eigenvalues and Eigenfunctions

open access: yesJournal of Marine Science and Engineering, 2021
Numerous sound propagation models in underwater acoustics are based on the representation of a sound field in the form of a decomposition over normal modes.
Alena Zakharenko   +2 more
doaj   +1 more source

Rayleigh–Bénard Instability of an Ellis Fluid Saturated Porous Channel with an Isoflux Boundary

open access: yesFluids, 2021
The onset of the thermal instability is investigated in a porous channel with plane parallel boundaries saturated by a non–Newtonian shear–thinning fluid and subject to a horizontal throughflow.
Pedro Vayssière Brandão   +2 more
doaj   +1 more source

Generalized Form of the Invariant Imbedding Method and Its Application to the Study of Back-Scattering in Shallow-Water Acoustics

open access: yesJournal of Marine Science and Engineering, 2021
A generalized form of the matrix-invariant imbedding method was developed to solve boundary-value problems for coupled systems of Helmholtz-type equations.
Mikhail Kazak   +2 more
doaj   +1 more source

Experimental and numerical identification of structural modes for engineering education [PDF]

open access: yesFacta Universitatis. Series: Architecture and Civil Engineering, 2014
Development of simple classroom demonstration device and software for visualization of structural normal modes is presented. Device is made of parts of old speaker, controlled with personal computer, where the harmonic motion of solenoid is used
Borković Aleksandar   +4 more
doaj   +1 more source

Mode Normalization

open access: yesCoRR, 2018
Normalization methods are a central building block in the deep learning toolbox. They accelerate and stabilize training, while decreasing the dependence on manually tuned learning rate schedules. When learning from multi-modal distributions, the effectiveness of batch normalization (BN), arguably the most prominent normalization method, is reduced.
Lucas Deecke   +2 more
openaire   +3 more sources

Quasi normal modes [PDF]

open access: yesFortschritte der Physik, 2004
AbstractIn this talk we review different applications of quasi normal modes to black hole physics, string theory and thermalisation in quantum field theory. In particular, we describe the the relation between quasi normal modes of AdS black holes and the time scale for thermalisation in strongly coupled, large N conformal field theory.
openaire   +2 more sources

Not-So-Normal Mode Decomposition [PDF]

open access: yesPhysical Review Letters, 2008
4 pages, 2 figures, published ...
openaire   +4 more sources

Nucleotide-Specific Autoinhibition of Full-Length K-Ras4B Identified by Extensive Conformational Sampling

open access: yesFrontiers in Molecular Biosciences, 2020
K-Ras is one of the most frequently mutated oncogenes in human tumor cells. It consists of a well-conserved globular catalytic domain and a flexible tail-like hypervariable region (HVR) at its C-terminal end.
Balint Dudas   +7 more
doaj   +1 more source

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