Results 71 to 80 of about 216,973 (262)

On the Modified Jump Problem for the Laplace Equation in the Exterior of Cracks in a Plane

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2012
The boundary value problem for the Laplace equation outside several cracks in a plane is studied. The jump of the solution of the Laplace equation and the boundary condition containing the jump of its normal derivative are specified on the cracks.
P. A. Krutitskii, A. Sasamoto
doaj   +1 more source

Overcoming Printing and Interfacial Challenges in Liquid Metal Direct Writing for Integrated Stretchable Electronics

open access: yesAdvanced Materials Technologies, EarlyView.
Liquid metal direct writing is advanced from a technological and fundamental point. Utilizing a kinematic bed, printing on large surfaces with irregularities is enabled. Furthermore, a pressure‐driven flow during printing is discovered that affects the thickness of traces.
Maximilian Krack   +15 more
wiley   +1 more source

The Fourier Regularization for Solving a Cauchy Problem for the Laplace Equation with Uncertainty

open access: yesAxioms
The Laplace equation is an important partial differential equation, typically used to describe the properties of steady-state distributions or passive fields in physical phenomena.
Xiaoya Liu, Yiliang He, Hong Yang
doaj   +1 more source

Characterization of Droplet Formation in Ultrasonic Spray Coating: Influence of Ink Formulation Using Phase Doppler Anemometry and Machine Learning

open access: yesAdvanced Materials Technologies, EarlyView.
This study explores how machine learning models, trained on small experimental datasets obtained via Phase Doppler Anemometry (PDA), can accurately predict droplet size (D32) in ultrasonic spray coating (USSC). By capturing the influence of ink complexity (solvent, polymer, nanoparticles), power, and flow rate, the model enables precise droplet control
Pieter Verding   +5 more
wiley   +1 more source

A meshless method based on the Laplace transform for multi-term time-space fractional diffusion equation

open access: yesAIMS Mathematics
Multi-term fractional diffusion equations can be regarded as a generalisation of fractional diffusion equations. In this paper, we develop an efficient meshless method for solving the multi-term time-space fractional diffusion equation. First, we use the
Zihan Yue   +3 more
doaj   +1 more source

Approximate analytical solutions of distributed order fractional Riccati differential equation

open access: yesAin Shams Engineering Journal, 2018
In this paper, the combined Laplace transform and new homotopy perturbation method is employed for solving a special class of the distributed order fractional Riccati equation.
Hossein Aminikhah   +2 more
doaj   +1 more source

Accelerating Luminescence in Nanostructures: Exploring the Physical Limits and Impact of Ultrafast Emission in Nanoscale Materials

open access: yesAdvanced Photonics Research, EarlyView.
This review highlights recent advances in accelerating luminescence in nanostructures through cooperative emission, resonator coupling, and nonlocal light–matter interactions. By unifying concepts such as excitonic superradiance, superfluorescence, and the plasmonic Purcell effect, it reveals physical limits of ultrafast emission and their potential ...
Masaaki Ashida   +3 more
wiley   +1 more source

DBEM solutions to modified Helmholtz problems for FGMs of space–time-dependent properties

open access: yesResults in Physics
A combined Laplace transform (LT) and domain-boundary element method (DBEM) are utilized to obtain numerical solutions for a spatio-temporal coefficient modified Helmholtz-type equation with arbitrary initial conditions and source terms, addressing ...
Mohammad Ivan Azis
doaj   +1 more source

He–Laplace method for nonlinear vibration systems and nonlinear wave equations

open access: yesJournal of Low Frequency Noise, Vibration and Active Control, 2019
This study suggests a new approach for solving telegraph equation, commonly called damped wave equation, arising in electromagnetic waves and propagation of electrical signals.
Muhammad Nadeem, Fengquan Li
doaj   +1 more source

Fast integral equation methods for the Laplace-Beltrami equation on the sphere [PDF]

open access: yes, 2013
Integral equation methods for solving the Laplace-Beltrami equation on the unit sphere in the presence of multiple "islands" are presented. The surface of the sphere is first mapped to a multiply-connected region in the complex plane via a stereographic ...
A. Kropinski   +2 more
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