Results 101 to 110 of about 8,124,716 (387)

Local energy decay for scalar fields on time dependent non-trapping backgrounds [PDF]

open access: yes, 2020
We consider local energy decay estimates for solutions to scalar wave equations on nontrapping asymptotically flat space-times. Our goals are two-fold. First we consider the stationary case, where we can provide a full spectral characterization of local ...
Metcalfe, J, Sterbenz, J, Tataru, D
core  

Generalized effective operator formalism for decaying systems [PDF]

open access: yesPhysical Review A, 2016
11 pages, 20 ...
Paraschiv, Marius   +3 more
openaire   +2 more sources

A Simulative Approach for the Prediction of Mesoscale Residual Stress Fields in Solution‐Strengthened Ferritic Ductile Iron

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents a 3D representative volume element‐based simulation approach to predict mesoscopic residual stress and strain fields in silicon solid solution‐strengthened ductile cast iron. By modeling phase transformation kinetics with an enhanced Johnson–Mehl–Avrami–Kolmogorov model, the effects of varying cooling rates on residual stresses are ...
Lutz Horbach   +6 more
wiley   +1 more source

Decay for thermoelastic laminated beam with nonlinear delay and nonlinear structural damping

open access: yesAIMS Mathematics
This paper discussed the decay of a thermoelastic laminated beam subjected to nonlinear delay and nonlinear structural damping. We provided explicit and general energy decay rates of the solution by imposing suitable conditions on both weight delay and ...
Hicham Saber   +4 more
doaj   +1 more source

Multiple scalar particle decays and perturbation generation

open access: yesJournal of Cosmology and Astroparticle Physics, 2007
(v1) 22 pages, 4 figures, 2 tables; (v2) JHEP3 style, 24 pages, references added and typos corrected, to appear in ...
Choi, Ki-Young, Gong, Jinn-Ouk
openaire   +2 more sources

Development of Aluminum Scandium Alloys for Hydrogen Storage Valves

open access: yesAdvanced Engineering Materials, EarlyView.
Different aluminum alloy series and various aluminum‐scandium alloys with differing Sc and Zr levels are evaluated for use in hydrogen storage valve production. The alloys undergo hardness testing, optical microscopy, and tensile strength analysis, with hardening behavior studied under varying conditions.
Francisco García‐Moreno   +4 more
wiley   +1 more source

Wave Decay in MHD Turbulence

open access: yes, 2008
We present a model for nonlinear decay of the weak wave in three-dimensional incompressible magnetohydrodynamic (MHD) turbulence. We show that the decay rate is different for parallel and perpendicular waves.
Alex Lazarian   +6 more
core   +1 more source

Generation mixing of sneutrinos in heavier chargino decay [PDF]

open access: yesJournal of High Energy Physics, 2006
The heavier chargino decay could yield two charged leptons of different generations, owing to generation mixing of sneutrinos. We discuss the possibility of producing $e$ and $ $ through this process in near future collider experiments. The analyses are made systematically in the supersymmetric extension of the standard model without assuming a ...
Obara, Midori, Oshimo, Noriyuki
openaire   +2 more sources

CALPHAD‐Guided Prediction and Interpretation of Phase Formation in Ta–Mo–Cr–Ti–Al Refractory High‐Entropy Alloys

open access: yesAdvanced Engineering Materials, EarlyView.
This study designs Ta–Mo–Cr–Ti–Al refractory high‐entropy alloys with a disordered body‐centered‐cubic A2 crystal structure aiming for improved ductility, lower density, and oxidation resistance. Four alloy compositions are identified by thermodynamic calculations.
Kateryna Khanchych   +7 more
wiley   +1 more source

Global existence and exponential stability of a fractionally damped plate equation with past history

open access: yesElectronic Research Archive
This paper is an extension of our earlier research[1]. In this article, we discussed the fractionally damped plate equation with infinite memory. We proved that solutions are global under different initial and boundary conditions.
Muhammad Fahim Aslam   +3 more
doaj   +1 more source

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