Results 91 to 100 of about 32,600 (242)

First and second sharp constants in Riemannian Gagliardo–Nirenberg inequalities

open access: yesMathematische Nachrichten, EarlyView.
Abstract Let (M,g)$(M,g)$ be a smooth compact Riemannian manifold of dimension n≥2$n\ge 2$, 1
Jurandir Ceccon   +2 more
wiley   +1 more source

Covariances of Smoothed Observational Data

open access: yesActa Polytechnica, 2000
The method of smoothing observational data in its original form [2–3] did not allow the uncertainties of either the individual smoothed values or their function to be estimated.
A. Čepek, J. Vondrák
doaj  

Cutting-Edge Spectral Solutions for Differential and Integral Equations Utilizing Legendre’s Derivatives [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization
This research introduces a spectral numerical method for solving some types of integral equations, which is the pseudo-Galerkin spectral method. The presented method depends on Legendre’s first derivative polynomials as basis functions.
A.M. Abbas   +3 more
doaj   +1 more source

Machine Learning for Predictive Modeling in Nanomedicine‐Based Cancer Drug Delivery

open access: yesMed Research, EarlyView.
The integration of AI/ML into nanomedicine offers a transformative approach to therapeutic design and optimization. Unlike conventional empirical methods, AI/ML models (such as classification, regression, and neural networks) enable the analysis of complex clinical and formulation datasets to predict optimal nanoparticle characteristics and therapeutic
Rohan Chand Sahu   +3 more
wiley   +1 more source

Numerical approximation for singularly perturbed differential equations exhibiting significant positive shift arising in neuronal activity

open access: yesApplied Mathematics in Science and Engineering
This article introduces an approximation method for solving singularly perturbed differential equations with a large positive shift parameter, a problem that has received limited attention in existing research.
Akhila Mariya Regal, Dinesh Kumar S
doaj   +1 more source

An Extremely Efficient Boundary Element Method for Wave Interaction with Long Cylindrical Structures Based on Free-Surface Green’s Function

open access: yesComputation, 2016
The present study aims to develop an efficient numerical method for computing the diffraction and radiation of water waves with horizontal long cylindrical structures, such as floating breakwaters in the coastal region, etc. A higher-order scheme is used
Yingyi Liu   +3 more
doaj   +1 more source

Bending Analysis of Thickness‐ and Shear‐Deformable Materially Imperfect Composite Shells With von Kármán‐Type Geometric Nonlinearities

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Geometrically nonlinear static analysis of materially imperfect composite doubly curved shells is investigated via the generalised differential quadrature method. The effects of both shear and thickness deformation are considered through a thickness‐ and shear‐deformable third‐order theory formulated in curvilinear coordinates, while the ...
Behrouz Karami   +3 more
wiley   +1 more source

Algorithmic aspects of transient heat transfer problems in structures [PDF]

open access: yes
It is noted that the application of finite element or finite difference techniques to the solution of transient heat transfer problems in structures often results in a stiff system of ordinary differential equations. Such systems are usually handled most
Haftka, R. T., Kadivar, M. H.
core   +1 more source

Soil Nail Design Optimization Through Adaptive Slope Stability Analysis Using Improved Limit Equilibrium Method

open access: yesInternational Journal for Numerical and Analytical Methods in Geomechanics, EarlyView.
ABSTRACT Design optimization for automatically generating optimal design results is a promising technique for enhancing the efficiency of design processes and outcomes. However, its development for soil nail reinforced slopes is limited since the traditional slope stability analysis using the limit equilibrium method (LEM) becomes relatively time ...
Weihang Ouyang, Kai Liu, Si‐Wei Liu
wiley   +1 more source

Explicit‐Implicit Material Point Method for Dense Granular Flows With a Novel Regularized µ(I) Model

open access: yesInternational Journal for Numerical and Analytical Methods in Geomechanics, EarlyView.
ABSTRACT The material point method (MPM) is widely employed to simulate granular flows. Although explicit time integration is favored in most current MPM implementations for its simplicity, it cannot rigorously incorporate the incompressible µ(I)‐rheology, an efficient model ubiquitously adopted in other particle‐based numerical methods. While operator‐
Hang Feng, Zhen‐Yu Yin
wiley   +1 more source

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