Results 241 to 250 of about 73,037 (289)

Outpatient pediatric care during the COVID-19 pandemic, Almaty, Kazakhstan 2021-2022. [PDF]

open access: yesFront Public Health
Kozhekenova N   +11 more
europepmc   +1 more source

Differences in the inflammatory response and outcome among hospitalized patients during different waves of the COVID-19 pandemic. [PDF]

open access: yesFront Immunol
Briciu V   +11 more
europepmc   +1 more source

Sound-evoked plasticity differentiates tinnitus from non-tinnitus mice. [PDF]

open access: yesFront Neurosci
Fabrizio-Stover EM   +3 more
europepmc   +1 more source

DELTA SHOCK WAVES AS A LIMIT OF SHOCK WAVES

Journal of Hyperbolic Differential Equations, 2007
We discus the existence of delta shock waves obtained as a limit of two shock waves. For that purpose we perturb a prototype of weakly hyperbolic 2 × 2 system (sometimes called the "generalized pressureless gas dynamics model") by an additional term (called the "generalized vanishing pressure"). The obtained perturbed system is strictly hyperbolic and
Mitrović, Darko, Nedeljkov, Marko
openaire   +5 more sources

Delta Shock Waves in the Shallow Water System

Journal of Dynamics and Differential Equations, 2017
The authors continue studies by \textit{C. O. R. Sarrico} [J. Math. Anal. Appl. 317, No. 2, 496--509 (2006; Zbl 1099.35121)], where gas dynamics phenomena, known as ``infinitely narrow soliton solutions'', discovered by \textit{V. P. Maslov} and \textit{G. A. Omel'yanov} [Russ. Math. Surv. 36, No. 3, 73--149 (1981; Zbl 0494.35080)], \textit{V.
Sarrico, C. O. R., Paiva, A.
openaire   +2 more sources

Oscillating delta wings with attached shock waves

AIAA Journal, 1977
An unsteady flow theory is presented for studying the flowfield in the compression side of an oscillating flat delta wing with attached shock waves. Regular perturbation methods are used to analyze the in-phase and outof-phase flow components for small amplitudes and reduced frequencies. In particular, the out-of-phase flow is found to be "quasiconical,
Liu, D. D., Hui, W. H.
openaire   +2 more sources

Formation of $$\delta $$-shock waves in isentropic fluids

Zeitschrift für angewandte Mathematik und Physik, 2020
The author considers the Riemann problem for the Euler equations in one spatial dimension for isentropic flow of a compressible gas. The equation of state can be any, the author considers polytropic, pressureless, and Chaplygin gases. Possibility of formation of delta-shocks is shown. The concept of \(\alpha\)-solution is introduced as a distributional
openaire   +1 more source

Delta shock waves in shallow water flow

Physics Letters A, 2017
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Kalisch, Henrik   +2 more
openaire   +1 more source

Home - About - Disclaimer - Privacy