Results 61 to 70 of about 14,058 (161)

NExT‐LF: A Novel Operational Modal Analysis Method via Tangential Interpolation

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Operational modal analysis (OMA) is vital for identifying modal parameters under real‐world conditions, yet existing methods often face challenges with noise sensitivity and stability. This study introduces NExT‐LF, a novel method that combines the well‐known Natural Excitation Technique (NExT) with the Loewner Framework (LF). NExT enables the
Gabriele Dessena   +3 more
wiley   +1 more source

Effect of Orthotropic Variable Foundations and Unconventional Support Conditions on Nonlinear Hygrothermoelectric Vibration of Porous Multidirectional Piezoelectric Functionally Graded Nonuniform Plate

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT This article investigates the nonlinear vibration behavior of porous multidirectional piezoelectric functionally graded nonuniform (PFGN) plates resting on orthotropic variable elastic foundations and subjected to hygrothermal loading. The sigmoidal law is employed to define the multidirectional gradation properties, incorporating porosity ...
Pawan Kumar   +2 more
wiley   +1 more source

Interplay Between Spin‐Triplet Pairing and Ferromagnetism in Uranium Ditelluride

open access: yesNano Select, EarlyView.
This study investigates how spin triplet superconductivity and ferromagnetism interact in uranium ditelluride (UTe2). It shows that magnetic fluctuations strongly influence the superconducting behavior. The results suggest that ferromagnetic tendencies can contribute to the stabilization of spin triplet pairing. These findings provide new insights into
Habtamu Anagaw Muluneh   +2 more
wiley   +1 more source

Aerosol Assisted Plasma Processes: Role of the Liquid Precursor on Thin Film Deposition in a Low‐Pressure RF Capacitive Plasma

open access: yesPlasma Processes and Polymers, EarlyView.
Even if the deposition is slow compared to classical PECVD processes, the balance of matter defined as the ratio between the deposition rate and the liquid flow rate shows the same performances than in CH4 plasma. However, while CH4 “only” forms a DLC matrix, liquid droplets enable forming a wider range of coatings by injecting various liquids.
Michel Féron   +8 more
wiley   +1 more source

Nonfragile Sliding Mode Control of Fractional‐Order Complex Networked Systems via Combination Event‐Triggered Approach

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT This work addresses the problem of developing a nonfragile sliding mode observer for fractional‐order complex networked systems (FO‐CNS) under stochastic network attacks. The proposed approach employs a combination of event‐triggered techniques. First, a nonfragile fractional‐order state observer is developed, enabling the design of a suitable
Xin Meng   +2 more
wiley   +1 more source

Robust Bounds on the Eigenvalues of Linear Systems With Delays and Their Applications in Stability Analysis

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT We review some known bounds on the eigenvalues of a matrix and use similar techniques to derive bounds for the class of nonlinear eigenproblems and, as a special case, the eigenvalues for LTI systems with delays. We present two classes of results.
Erik I. Verriest
wiley   +1 more source

Near‐Infrared‐Triggered Nanodroplets for Imaging‐Guided Macrophage‐Mediated Cancer Immunotherapy

open access: yesSmall Methods, EarlyView.
Schematic illustration of the Nanodroplets and their theranostics application–The engineered nanodroplets integrate a multifunctional design, encapsulating the immunostimulant resiquimod (R848), indocyanine green (ICG), and volatile perfluoropentane (PFP), within a biocompatible double‐emulsion structure.
Junxi Yi   +3 more
wiley   +1 more source

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