Results 111 to 120 of about 6,950 (285)

Highly Accurate Method for Boundary Value Problems with Robin Boundary Conditions

open access: yesJournal of Nonlinear Mathematical Physics, 2023
AbstractThe main aim of the current paper is to construct a numerical algorithm for the numerical solutions of second-order linear and nonlinear differential equations subject to Robin boundary conditions. A basis function in terms of the shifted Chebyshev polynomials of the first kind that satisfy the homogeneous Robin boundary conditions is ...
openaire   +2 more sources

Ductile B2 Intermetallics‐Driven Strength‐Ductility Synergy in Heterolaminated Multi‐Principal Element Alloys

open access: yesAdvanced Science, EarlyView.
Intrinsic phase toughening transforms a brittle B2 intermetallic into a plastically deformable, load‐bearing phase, while a heterogeneous laminated architecture suppresses strain localization and interface cracking. The synergy between ductile intermetallics and mesoscale heterogeneity establishes a general design strategy for breaking the long ...
Lu Yang   +9 more
wiley   +1 more source

Lower bounds for the finite-time blow-up of solutions of a cancer invasion model

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2019
In this article, we consider non-negative solutions of the nonlinear cancer invasion mathematical model involving proliferation and growth functions with homogeneous Neumann and Robin type boundary conditions.
Shangerganesh Lingeshwaran   +2 more
doaj   +1 more source

The Nonsteady Boussinesq System with Mixed Boundary Conditions including Conditions of Friction Type

open access: yesInternational Journal of Differential Equations, 2020
In this paper, we are concerned with the nonsteady Boussinesq system under mixed boundary conditions. The boundary conditions for fluid may include Tresca slip, leak and one-sided leak conditions, velocity, static (or total) pressure, rotation, and ...
Tujin Kim
doaj   +1 more source

ON THE ISOPERIMETRIC PROBLEM FOR THE LAPLACIAN WITH ROBIN AND WENTZELL BOUNDARY CONDITIONS [PDF]

open access: yesBulletin of the Australian Mathematical Society, 2010
We consider the problem of minimising the eigenvalues of the Laplacian with Robin boundary conditions ∂u ∂ν +αu = 0 and generalised Wentzell boundary conditions ∆u+β ∂u ∂ν +γu = 0 with respect to the domain Ω ⊂ R on which the problem is defined. For the Robin problem, when α > 0 we extend the Faber-Krahn inequality of Daners [Math. Ann. 335 (2006), 767–
openaire   +1 more source

Exceptional Antimodes in Multi‐Drive Cavity Magnonics

open access: yesAdvanced Electronic Materials, EarlyView.
Driven‐dissipative cavity‐magnonics provides a flexible platform for engineering non‐Hermitian physics such as exceptional points. Here, using a four‐port, three‐mode system with controllable microwave interference, antimodes and coherent perfect extinction (CPE) are realized, enabling active tuning to antimode exceptional points.
Mawgan A. Smith   +4 more
wiley   +1 more source

Efficient hybridized numerical scheme for singularly perturbed parabolic reaction–diffusion equations with Robin boundary conditions

open access: yesPartial Differential Equations in Applied Mathematics
An efficient numerical technique for a singularly perturbed parabolic reaction–diffusion problem with Robin type boundary conditions is presented in this work.
Fasika Wondimu Gelu   +1 more
doaj   +1 more source

Smart Exploration of Perovskite Photovoltaics: From AI Driven Discovery to Autonomous Laboratories

open access: yesAdvanced Energy Materials, EarlyView.
In this review, we summarize the fundamentals of AI in automated materials science, and review AI applications in perovskite solar cells. Then, we sum up recent progress in AI‐guided manufacturing optimization, and highlight AI‐driven high‐throughput and autonomous laboratories.
Wenning Chen   +4 more
wiley   +1 more source

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