Results 61 to 70 of about 20,302 (268)

Boundary Value Problem for Weak Nonlinear Partial Differential Equations of Mixed Type with Fractional Hilfer Operator

open access: yesAxioms, 2020
In this paper, we consider a boundary value problem for a nonlinear partial differential equation of mixed type with Hilfer operator of fractional integro-differentiation in a positive rectangular domain and with spectral parameter in a negative ...
Tursun K. Yuldashev   +1 more
doaj   +1 more source

Controlling Grain Growth in Powder Bed Fusion of Yttria‐Stabilized Zirconia Using Femtosecond Lasers: Challenges and Methodological Insights

open access: yesAdvanced Engineering Materials, EarlyView.
Binder‐free laser powder bed fusion of 8YSZ with a femtosecond laser is used to map process windows linking scan strategy, heat accumulation, and grain growth. Time‐resolved thermography and simulations reveal thermal regimes that enable continuous, vitrified, and fine‐grained 8YSZ surface layers without absorptive additives and demonstrate ...
Markus Kühn   +5 more
wiley   +1 more source

Simulation‐Based Analysis of Insert Pull‐Out in Nickel‐Polyurethane Hybrid Foams Using CT‐Derived Geometries

open access: yesAdvanced Engineering Materials, EarlyView.
CT‐based finite element simulations combined with in situ X‐ray computed tomography are used to analyze insert pull‐out in nickel‐coated polymer foams. Despite variations in material parameters, deformation consistently concentrates within a narrow annular region around the insert.
Yannik Bautz   +4 more
wiley   +1 more source

Integration of the Loaded Negative Order Nonlinear Schrodinger Equation in the Class of Periodic Functions

open access: yesИзвестия Иркутского государственного университета: Серия "Математика"
In this paper, we consider the loaded negative order nonlinear Schrodinger equation (NSE) in the class of periodic functions. It is shown that the loaded negative order nonlinear Schrodinger equation can be integrated by the inverse spectral problem ...
M. M. Khasanov   +2 more
doaj   +1 more source

Design of a Multistable Finger Prosthesis with Programmable Metamaterials

open access: yesAdvanced Engineering Materials, EarlyView.
This research article shows the development of a multistable programmble metamaterial for the use as a finger prosthesis. The material was designed on different hierarchical levels where the influence of geometrical parameters and combination of mechanical elements was explored.
Franziska Wenz   +5 more
wiley   +1 more source

Interval Wavelet Numerical Method on Fokker-Planck Equations for Nonlinear Random System

open access: yesAdvances in Mathematical Physics, 2013
The Fokker-Planck-Kolmogorov (FPK) equation governs the probability density function (p.d.f.) of the dynamic response of a particular class of linear or nonlinear system to random excitation.
Li-wei Liu
doaj   +1 more source

Morphology, Transport, and Dynamics of Protein Adsorption in Open‐Cell Metal Foam

open access: yesAdvanced Engineering Materials, EarlyView.
Stainless steel (SS) open‐cell foams are shown to adsorb more protein per unit area than previously reported 316L SS and chromium oxide surfaces under static and flow conditions. An integrated approach combining 3D pore imaging, flow simulation, and protein adsorption experiments characterizes the foam’s performance.
Chinmaya Prerana Inguva   +2 more
wiley   +1 more source

Proximal Z-Condensing Operators via Simulation Functions and Applications

open access: yesComputation
In this paper, we introduce and study proximal Z-condensing operators in strictly convex Banach spaces by combining simulation functions with measures of noncompactness.
Moosa Gabeleh, Maggie Aphane
doaj   +1 more source

Nonlinear ordered variational inclusion problem involving XOR operation with fuzzy mappings

open access: yesJournal of Inequalities and Applications, 2020
In the setting of real ordered positive Hilbert spaces, a nonlinear fuzzy ordered variational inclusion problem with its corresponding nonlinear fuzzy ordered resolvent equation problem involving XOR operation has been recommended and solved by employing
Iqbal Ahmad   +3 more
doaj   +1 more source

Projected gradient iteration for nonlinear operator equation

open access: yesJournal of Computational and Applied Mathematics, 2011
The article deals with the following iterative method \[ x^{(n+1)} = \text{arg} \, \min_{w \in B_{R,p}} \;F_{\alpha^{(n)}}(w,x^{(n)}), \] where \(F_\alpha(w,x) = \Delta(w) - \|F(w) - F(x)\|_H^2 + \frac1\alpha \, \|w - x\|_2^2\), \(\Delta(x) = \|AS^*(x) - y\|_H^2\), for solving a nonlinear equation \(A(f) = y\), where \(A\) is a possibly ill-posed ...
Wei Huang, Di-Rong Chen
openaire   +1 more source

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