Results 61 to 70 of about 196,599 (152)

Feasibility of markerless real‐time tumor tracking volumetric modulated arc therapy using diaphragm‐based respiratory offset vectors

open access: yesMedical Physics, Volume 52, Issue 12, December 2025.
Abstract Background Real‐time tumor tracking (RTTT) is an effective strategy for managing respiratory motion during radiation therapy; however, it typically requires invasive fiducial markers. As a non‐invasive alternative, markerless RTTT (ML‐RTTT) has gained increasing interest, especially with the growing use of volumetric modulated arc therapy ...
Yukine Shimizu   +3 more
wiley   +1 more source

Self‐Assembly of Bent‐Core Nematics in Nanopores

open access: yesSmall, Volume 21, Issue 49, December 10, 2025.
Bent‐core nematic liquid crystals like CB7CB exhibit tunable molecular organization and optical responses when confined in cylindrical nanochannels of anodic aluminum oxide and silica. The study investigates how confinement–from weak to strong–modulates phase behavior, revealing heliconical structures, paranematic states, and birefringence patterns ...
Andriy Z. Maksym   +8 more
wiley   +1 more source

Computational Modeling of U-Shaped Seismic Dampers for Structural Damage Mitigation

open access: yesApplied Sciences
U-shaped seismic dampers, passive metallic devices that dissipate energy by cyclic plastic deformation, are designed to mitigate the effects of seismic loads on structures.
Víctor Tuninetti   +7 more
doaj   +1 more source

Stabilized Mixed Formulations for Incompressible Finite Strain Electromechanics Including Stress Accurate Analysis

open access: yesInternational Journal for Numerical Methods in Engineering, Volume 126, Issue 22, 30 November 2025.
ABSTRACT In this study, we introduce a novel methodology for finite strain electromechanics that effectively addresses the incompressible limit. The primary innovation of this work is the first‐time application of robust and accurate stabilized mixed formulations, previously developed by the authors for hyperelasticity, within the realm of ...
Inocencio Castañar   +3 more
wiley   +1 more source

Characterizing Intralaminar Distal Crack and Delamination in Multidirectional Laminates Under Low Velocity Impact: Modeling Approach With Ultrasound Testing Validation

open access: yesPolymer Composites, Volume 46, Issue 16, Page 15381-15399, 10 November 2025.
3D finite element modeling strategy utilizing distal intralaminar cohesive zone (DICZ) and continuum damage mechanics (CDM) for enabling the experimentally validated impact damage in multidirectional composite laminates comprising distal cracks and delamination.
Niildiip Chandraa   +5 more
wiley   +1 more source

Multi‐objective optimization of nonlinear passive control systems for seismic response mitigation of bridges

open access: yesComputer-Aided Civil and Infrastructure Engineering, Volume 40, Issue 27, Page 4865-4883, 14 November 2025.
Abstract A substantial number of existing bridges in high‐seismicity countries like Italy were not designed for seismic actions, thus being particularly vulnerable to earthquake‐induced motions. While deck isolation from piers is commonly employed to reduce base shear and seismic vibrations, it often fails to keep deck displacements within acceptable ...
Shiv Prakash   +3 more
wiley   +1 more source

Second‐generation component and system‐level seismic fragility models for reinforced concrete bridges in California

open access: yesEarthquake Spectra, Volume 41, Issue 4, Page 3234-3253, November 2025.
California is a seismically active region that contains approximately 26,000 bridges. Historical earthquakes have caused severe damage and collapse of bridges in California, resulting in casualties, economic losses, and disruptions to transportation networks.
Shanshan Chen   +5 more
wiley   +1 more source

Experimental and numerical characterizations of nano-indentation responses of low viscosity and high viscosity bone cements

open access: yesForces in Mechanics
The present work involves experimentally determining the nano-mechanical properties (elastic modulus, hardness, plasticity index, and recovery resistance) of low viscosity (LV) and high viscosity (HV) Poly (methyl methacrylate) (PMMA) bone cement from ...
Sonalal Prasad Chaurasiya, Rajesh Ghosh
doaj   +1 more source

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