Results 41 to 50 of about 168,519 (165)

Simulating structural response to water impact [PDF]

open access: yes, 2012
Structural response to water impact is important for several areas, including the aerospace and marine industries. Aircraft must be designed to cope with ditching and offshore structures are subject to extreme wave impact and green water loading.
Vignjevic, Rade, Campbell, James C.
core   +1 more source

Experimental investigation of unsteadiness in transonic shock boundary layer interaction [PDF]

open access: yes, 2010
Transonic shock wave/boundary layer interaction over a wall-mounted bump was investigated with specific focus on shock wave unsteadiness and identification of its source. A large separation bubble resulted of an interaction driven by a flow characterized
Raghunathan, Srinivasan   +2 more
core  

Alpha – particle confinement control and Alfven wave-particle interaction

open access: yes, 2000
Two important physics effects are found in the interaction of the particle with the electromagnetic field of Alfven type wave in the toroidal magnetic trap: the increase/decrease of the radial deviation of the particle under the effect of the switching ...
Shishkin, O.A., Shishkin, A.A.
core   +2 more sources

Drift-compression waves propagating in the direction of energetic electron drift in the magnetosphere

open access: yesSolar-Terrestrial Physics, 2017
As shown within the gyrokinetic framework, drift-compressional waves can propagate in the magnetosphere in the direction of energetic electron drift. The plasma is assumed to be composed of cold particles with an admixture of hot protons with a Maxwell ...
Kostarev D.V., Mager P.N.
doaj   +1 more source

DNS of the interaction between a shock wave and a turbulent shear flow: some effects of anisotropy [PDF]

open access: yes, 2007
Direct numerical simulation is used to study the interaction of a Mach 1.5 shock wave and various types of anisotropic turbulent flows. We compare the interaction of isotropic, axisymmetric and sheared turbulences (sometimes combined), with a specific ...
Chassaing, Patrick   +2 more
core  

Time simulation of the nonlinear wave–particle interaction in meters-long traveling-wave tubes

open access: yes, 2021
International audienceWe propose a multi-particle self-consistent Hamiltonian (derived from an N-body description) that is applicable for periodic structures such as traveling-wave tubes (TWTs), gyrotrons, free-electron lasers, or particle accelerators ...
Frédéric André   +13 more
core   +1 more source

Nonlinear wave-particle interaction upstream from the Earth's bow shock [PDF]

open access: yesNonlinear Processes in Geophysics, 2000
Well-defined ring-like backstreaming ion distributions have been recently reported from observations made by the 3DP/PESA-High analyzer onboard the WIND spacecraft in the Earth's foreshock at large distances from the bow shock, which suggests a local ...
C. Mazelle, D. Le Quéau, K. Meziane
doaj  

Planning for Observations of the Plasma Waves by Sounding Rockets in Antarctica

open access: yesAntarctic Record, 1975
The plasma wave observations in the polar ionosphere consist of two categories; the first is for the emission due to the particle precipitation and the second is for the emissions that are thought to be generated in the magnetosphere as a result of the ...
Hiroshi OYA
doaj   +1 more source

Synchronization of multiscale waveform focusing for rogue wave generation in dust acoustic wave turbulence

open access: yesPhysical Review Research, 2020
Rogue wave events (RWEs), uncertainly emerging localized extreme-amplitude events, ubiquitously occur in various nonlinear wave media. They have been mainly studied in the weakly disordered wave state with a single dominant wavelength scale. In this work,
Po-Cheng Lin, Lin I
doaj   +1 more source

ULF waves with drift resonance and drift-bounce resonance energy sources as observed in artificially-induced HF radar backscatter [PDF]

open access: yesAnnales Geophysicae, 2001
HF radar backscatter which has been artificially-induced by a high power RF facility such as the EISCAT heater at Tromsø has been demonstrated to provide ionospheric electric field data of unprecedented temporal resolution and accuracy. Here such data
T. K. Yeoman, T. K. Yeoman, D. M. Wright
doaj   +1 more source

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