Results 71 to 80 of about 1,315 (192)

Complete‐coverage path planning for surface inspection of cable‐stayed bridge tower based on building information models and climbing robots

open access: yesComputer-Aided Civil and Infrastructure Engineering, Volume 40, Issue 25, Page 4149-4171, 20 October 2025.
Abstract Climbing robots present transformative potential for automated structural inspections, yet their deployment remains limited by the reliance on manual control due to the absence of effective environment perception and path‐planning solutions.
Zhe Xia   +8 more
wiley   +1 more source

Chebyshev Finite Difference Method for Solving Constrained Quadratic Optimal Control Problems

open access: yesJournal of Mathematical Extension, 2011
. In this paper the Chebyshev finite difference method is employed for finding the approximate solution of time varying constrained optimal control problems.
M. Maleki*, M. Dadkhah Tirani
doaj  

Lumped mass acoustic and membrane eigenanalysis using the global collocation method

open access: yesCogent Engineering, 2014
The paper proposes a direct way to build lumped masses for performing eigenvalue analysis using the global collocation method in conjunction with tensor product Lagrange polynomials.
Christopher Provatidis
doaj   +1 more source

Electrocardiogram estimation using Lagrange interpolation

open access: yesElectronics Letters, 2021
An electrocardiogram records activity of cardiac which is collected through the electrodes positioned on specific locations on the human body. These signals are required for cardiac‐related issues.
Om Prakash Yadav, Anil Kumar Sahu
doaj   +1 more source

Uncertainty Quantification for Nonlinear Vibration of Supercritical Drive Shaft With a Dry Friction Damper

open access: yesInternational Journal of Mechanical System Dynamics, Volume 5, Issue 3, Page 463-480, September 2025.
ABSTRACT The supercritical drive shaft is becoming increasingly popular in helicopter transmission system. Dry friction dampers are specially employed to ensure the supercritical shafts crossing the critical speed safely. Due to design tolerances, manufacturing errors and time‐varying factors, the parameters of the damper are inherently uncertain ...
Liyao Song   +4 more
wiley   +1 more source

Network Evolution With Mesoscopic Delays

open access: yesRandom Structures &Algorithms, Volume 67, Issue 2, September 2025.
ABSTRACT Owing to the influence of real‐world networks both in science and society, numerous mathematical models have been developed to understand the structure and evolution of these systems, particularly in a temporal context. Recent advancements in fields like distributed cyber‐security and social networks have spurred the creation of probabilistic ...
Sayan Banerjee   +3 more
wiley   +1 more source

Forward Modelling of Electrical Resistivity and Induced Polarization Using the Spectral‐Infinite‐Element Method

open access: yesGeophysical Prospecting, Volume 73, Issue 7, September 2025.
ABSTRACT Accurate and efficient modelling of subsurface electrical properties is critical for a wide range of applications, including mineral exploration, environmental studies and hydrogeological investigations. Traditional numerical approaches often use low‐order discretization and impose artificial boundary conditions to approximate the unbounded ...
Kiana Damavandi, Hom Nath Gharti
wiley   +1 more source

Taking limits in topological recursion

open access: yesJournal of the London Mathematical Society, Volume 112, Issue 3, September 2025.
Abstract When does topological recursion applied to a family of spectral curves commute with taking limits? This problem is subtle, especially when the ramification structure of the spectral curve changes at the limit point. We provide sufficient (straightforward‐to‐use) conditions for checking when the commutation with limits holds, thereby closing a ...
Gaëtan Borot   +4 more
wiley   +1 more source

A treecode based on barycentric Hermite interpolation for electrostatic particle interactions

open access: yesComputational and Mathematical Biophysics, 2019
A particle-cluster treecode based on barycentric Hermite interpolation is presented for fast summation of electrostatic particle interactions in 3D. The interpolation nodes are Chebyshev points of the 2nd kind in each cluster.
Krasny Robert, Wang Lei
doaj   +1 more source

Coupled Fracture Mechanics‐Geochemical Model of Reaction‐Driven Cracking

open access: yesGeophysical Research Letters, Volume 52, Issue 15, 16 August 2025.
Abstract Reaction‐driven cracking has been discussed for decades. One mechanism is the extension of a microcrack resulting from precipitation. This mechanism can create porosity, permeability and reactive surface area in low‐permeability rock. We model this problem as a fracture loaded over a fraction of its length by a vein.
Rui Feng   +3 more
wiley   +1 more source

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