Results 31 to 40 of about 73,454 (278)

Pressureless Magnetohydrodynamics System: Riemann Problem and Vanishing Magnetic Field Limit

open access: yesAdvances in Mathematical Physics, 2020
This paper proposes the pressureless magnetohydrodynamics (MHD) system by neglecting the effect of pressure difference in the MHD system. Firstly, the Riemann problem for the pressureless MHD system is solved with five kinds of structures of solutions ...
Shiwei Li, Hongjun Cheng, Hanchun Yang
doaj   +1 more source

Eulerian droplet model: Delta-shock waves and solution of the Riemann problem [PDF]

open access: yesJournal of Mathematical Analysis and Applications, 2019
We study an Eulerian droplet model which can be seen as the pressureless gas system with a source term, a subsystem of this model and the inviscid Burgers equation with source term. The condition for loss of regularity of a solution to Burgers equation with source term is established.
Keita, Sana, Bourgault, Yves
openaire   +3 more sources

Delta Shock Waves for a Linearly Degenerate Hyperbolic System of Conservation Laws of Keyfitz-Kranzer Type

open access: yesAdvances in Mathematical Physics, 2013
This paper is devoted to the study of delta shock waves for a hyperbolic system of conservation laws of Keyfitz-Kranzer type with two linearly degenerate characteristics. The Riemann problem is solved constructively. The Riemann solutions include exactly
Hongjun Cheng
doaj   +1 more source

Interactions of delta shock waves for the transport equations with split delta functions

open access: yesJournal of Mathematical Analysis and Applications, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Shen, Chun, Sun, Meina
openaire   +1 more source

Delta shock wave for a 3 × 3 hyperbolic system of conservation laws [PDF]

open access: yesBulletin of the Brazilian Mathematical Society, New Series, 2016
arXiv admin note: text overlap with arXiv:1311 ...
De la cruz, Richard   +3 more
openaire   +2 more sources

Detecting and mitigating simultaneous waves of COVID-19 infections

open access: yesScientific Reports, 2022
The sudden spread of COVID-19 infections in a region can catch its healthcare system by surprise. Can one anticipate such a spread and allow healthcare administrators to prepare for a surge a priori?
Sebastian Souyris   +6 more
doaj   +1 more source

Phase effects in neutrino conversions during a supernova shock wave

open access: yes, 2007
Neutrinos escaping from a core collapse supernova a few seconds after bounce pass through the shock wave, where they may encounter one or more resonances corresponding to $\Delta m^2_{\rm atm}$.
Amol Dighe   +5 more
core   +1 more source

Shock waves in superconducting cosmic strings: growth of current

open access: yes, 2012
Intrinsic equations of motion of superconducting cosmic string may admit solutions in the shock-wave form that implies discontinuity of the current term \chi. The hypersurface of discontinuity propagates at finite velocity determined by finite increment \
A. M. Anile   +4 more
core   +1 more source

Radiation from a D-dimensional collision of shock waves: first order perturbation theory [PDF]

open access: yes, 2011
We study the spacetime obtained by superimposing two equal Aichelburg-Sexl shock waves in D dimensions traveling, head-on, in opposite directions. Considering the collision in a boosted frame, one shock becomes stronger than the other, and a perturbative
A Einstein   +42 more
core   +3 more sources

Morphological characterization of shocked porous material

open access: yes, 2009
Morphological measures are introduced to probe the complex procedure of shock wave reaction on porous material. They characterize the geometry and topology of the pixelized map of a state variable like the temperature.
Aiguo Xu   +14 more
core   +1 more source

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