Results 111 to 120 of about 420,318 (376)

A boundary value problem for the fourth-order degenerate equation of the mixed type

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы
Many problems in mechanics, physics, and geophysics lead to solving partial differential equations that are not included in the known classes of elliptic, parabolic or hyperbolic equations.
J.A. Otarova
doaj   +1 more source

Asymptotic Behavior of a Class of Degenerate Parabolic Equations

open access: yesAbstract and Applied Analysis, 2012
We investigate the asymptotic behavior of solutions of a class of degenerate parabolic equations in a bounded domain () with a polynomial growth nonlinearity of arbitrary order.
Hongtao Li, Shan Ma
doaj   +1 more source

Fully Printed Variable Orifice Flowmeter with Built‐In Temperature Compensation for Application in Mechanical Ventilation

open access: yesAdvanced Sensor Research, EarlyView.
Additive manufacturing, specifically fused deposition modeling, offers an innovative approach to creating 3D‐printed variable orifice flowmeters with integrated temperature compensation. Using carbon‐black TPU, the primary component (a variable orifice) and the secondary element (a diaphragm pressure sensor) are fabricated.
Vincenzo Saroli   +2 more
wiley   +1 more source

Rate of convergence of finite-difference approximations for degenerate linear parabolic equations with $C^1$ and $C^2$ coefficients

open access: yesElectronic Journal of Differential Equations, 2005
We consider degenerate parabolic and elliptic equations of second order with $C^1$ and $C^2$ coefficients. Error bounds for certain types of finite-difference schemes are obtained.
Hongjie Dong, Nicolai V. Krylov
doaj  

Anisotropic Surface Microrollers for Endovascular Navigation: A Computational Analysis with a Case Study in Hepatic Perfusion

open access: yesAdvanced Theory and Simulations, EarlyView.
Computational fluid dynamics analyses assess the upstream locomotion performance of anisotropic microrollers with varying height‐to‐width ratios. Observing their successful upstream locomotion in veins, their performance in hepatic circulation is investigated for treating primary liver cancer.
Burak Arslan   +8 more
wiley   +1 more source

The fundamental solution of Cauchy problem for a single equation of the diffusion equation with inertia

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2014
The paper found the explicit form of the fundamental solution of  Cauchy problem for the equation of Kolmogorov type that has a finite number  groups of spatial variables which are degenerate parabolic.
H.P. Malytska, I.V. Burtnyak
doaj   +1 more source

Lead‐Free Na2ZrTeO6 Double Perovskite: A Promising Candidate for High‐Temperature and Optoelectronic Applications

open access: yesAdvanced Theory and Simulations, EarlyView.
This study has provided significant insights into the elastic, anisotropic mechanical, electronic and optical properties of the double perovskite Na2ZrTeO6. The material exhibits high mechanical durability, a wide band gap, and pronounced mechanical anisotropy, suggesting that it is demonstrably stable at extreme temperatures, as indicated by its high ...
E. Deligoz   +4 more
wiley   +1 more source

On the behavior of the solutions of degenerate parabolic equations [PDF]

open access: yesNagoya Mathematical Journal, 1999
AbstractIn this paper we consider degenerate parabolic equations, and obtain an interior and a boundary Harnack inequalities for nonnegative solutions to the degenerate parabolic equations. Furthermore we obtain boundedness and continuity of the solutions.
openaire   +3 more sources

Approximate general solution of degenerate parabolic equations related to population genetics

open access: yesElectronic Journal of Differential Equations, 1995
degenerate parabolic equation related to population genetics and implements a computational procedure. The result gives a theoretical foundation to the computer algebraic approach for degenerate partial differential equations and introduces a new ...
Kazuo Amano
doaj  

Gradient bounds for solutions of nonlinear strictly elliptic equations, applications and extensions

open access: yesITM Web of Conferences, 2018
In this short manuscript, we briefly recall some well-known methods for obtaining gradient bounds of viscosity solutions for elliptic and parabolic equations.
Duc Nguyen Vinh
doaj   +1 more source

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