Results 81 to 90 of about 3,580,780 (366)

Anisotropic charged physical models with generalized polytropic equation of state

open access: yesEuropean Physical Journal C: Particles and Fields, 2018
In this paper, we found the exact solutions of Einstein–Maxwell equations with generalized polytropic equation of state (GPEoS). For this, we consider spherically symmetric object with charged anisotropic matter distribution.
A. Nasim, M. Azam
doaj   +1 more source

The pressure equation in anisotropic medium [PDF]

open access: yesStochastics and Stochastic Reports, 1996
In this paper we will prove existence and uniqueness theorems for the stochastic differential equations (both smooth and singular case) where D is a smooth domainf,g are stochastic functions and Exp is a positive white noise matrix. We will show that these equations have solutions in the space (S)-1 of generalized white noise distributions in a strong ...
openaire   +1 more source

Experimental Analysis and Physics‐Based Analytical Model on Twisted and Coiled Artificial Muscles

open access: yesAdvanced Engineering Materials, EarlyView.
Twisted and coiled artificial muscles made from silver‐coated nylon fibers are investigated through experiments and analytical modeling. The actuators achieve contractions up to 19.3% and specific work of 8 kJ kg−1, though efficiency remains limited (≈0.15%) by thermal losses.
Salvatore Garofalo   +3 more
wiley   +1 more source

Anisotropic equations with indefinite potential and competing nonlinearities [PDF]

open access: yesNonlinear Analysis, 2020
N. Papageorgiou   +2 more
semanticscholar   +1 more source

Recent Advancements in Bulk Processing of Rare‐Earth‐Free Hard Magnetic Materials and Related Multiscale Simulations

open access: yesAdvanced Engineering Materials, EarlyView.
This article provides an overview of recent advancements in bulk processing of rare‐earth‐free hard magnetic materials. It also addresses related simulation approaches at different scales. The research on rare‐earth‐free magnetic materials has increased significantly in recent years, driven by supply chain issues, environmental and social concerns, and
Daniel Scheiber, Andrea Bachmaier
wiley   +1 more source

On integrability of nonautonomous system of ordinary differential equations applied in dynamic theory of elasticity

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2008
The article shows the possibility of generating new accurate solution of the system of two ordinary linear homogeneous differential second-order equations with variable general coefficients.
Yu. È. Senitskii
doaj   +1 more source

Weak heteroclinic solutions and competition phenomena to anisotropic difference equations with variable exponents [PDF]

open access: yesOpuscula Mathematica, 2014
In this paper, we prove the existence of weak heteroclinic solutions for a family of anisotropic difference equations under competition phenomena between parameters.
Aboudramane Guiro   +2 more
doaj   +1 more source

Fabrication of Multifunctional FeSi Gyroid Lattice Composites via Additive Manufacturing and Polymer Infiltration

open access: yesAdvanced Engineering Materials, EarlyView.
A two‐step approach combining laser powder bed fusion of FeSi electrical steel with Bakelite infiltration enables the fabrication of multifunctional gyroid lattice composites. The resulting structures exhibit high strength, magnetic anisotropy, and complete polymer infiltration, demonstrating a simple and scalable route toward lightweight, mechanically
Angelo F. Andreoli   +9 more
wiley   +1 more source

Exploring Dipolar Dynamics and Ionic Transport in Metal‐Organic Frameworks: Experimental and Theoretical Insights

open access: yesAdvanced Functional Materials, EarlyView.
In this study, the interplay of dipolar dynamics and ionic charge transport in MOF compounds is investigated. Synthesizing the novel structure CFA‐25 with integrated freely rotating dipolar groups, local and macroscopic effects, including interactions with Cs cations are explored.
Ralph Freund   +6 more
wiley   +1 more source

Home - About - Disclaimer - Privacy