Results 21 to 30 of about 7,520 (261)

Free Vibration Analysis of Functionally Graded Porous Cylindrical Panels Reinforced with Graphene Platelets

open access: yesNanomaterials, 2023
The free vibration of functionally graded porous cylindrical shell panels reinforced with graphene platelets (GPLs) was numerically investigated. The free vibration problem was formulated using the first-order shear deformation shell theory in the ...
Jin-Rae Cho
doaj   +1 more source

Active Flutter Suppression of Smart-Skin Antenna Structures with Piezoelectric Sensors and Actuators

open access: yesAerospace, 2021
A smart-skin antenna structure is investigated for active flutter control with piezoelectric sensors and actuators. The skin antenna is designed as a multilayer sandwich structure with a dielectric polymer to perform the role of antenna or radar ...
Chang-Yull Lee, Ji-Hwan Kim
doaj   +1 more source

High-order Analysis of Linear Vibrations of a ModeratleyThick Sandwich Panel With an Electrorheological Core [PDF]

open access: yesMechanics of Advanced Composite Structures, 2020
In this study, the frequency response of rectangular sandwich plates with multi-layer face sheets and electrorheological (ER) fluid cores is investigated. The assumed electro-rheological fluid as a core is capable of changing the stiffness and damping of
Mehdi Keshavarzian   +4 more
doaj   +1 more source

PLASTIC THEORY FOR THE IN-PLANE SHEAR STRENGTH OF REINFORCED CONCRETE PANELS IN COMPARISON WITH THE MAJOR FORMULAE

open access: yesDoboku Gakkai Ronbunshu, 1989
The applicability of the plastic theory by M. P. Nielsen to predicting the in-plane shearr strength of reinforced concrete is discussed. The plastic theory is compared with both the diagonal compression field theory by M. P. Collins and the drafted Japanese design criteria for concrete containment vessels.
Hiromichi YOSHIKAWA, Tada-aki TANABE
openaire   +2 more sources

Nonlinear Vibrations of FGM Cylindrical Panel with Simply Supported Edges in Air Flow

open access: yesInternational Journal of Aerospace Engineering, 2015
Chaotic and periodic motions of an FGM cylindrical panel in hypersonic flow are investigated. The cylindrical panel is also subjected to in-plane external loads and a linear temperature variation in the thickness direction.
Y. X. Hao   +3 more
doaj   +1 more source

Loss of proton‐sensing TDAG8 increases tumor progression in mouse models of colon cancer

open access: yesMolecular Oncology, EarlyView.
Loss of the pH‐sensing receptor TDAG8 accelerates colorectal cancer progression in mice. Animals lacking TDAG8 expression had increased tumor growth, DNA damage, and recruitment of tumor‐associated immune cells, including macrophages, neutrophils, and monocytes.
Ermanno Malagola   +11 more
wiley   +1 more source

A Revised Shear Panel Formulation for Parallelogram Panels

open access: yesAerospace
The growing complexity of large-scale, thin-walled structures can be managed through the use of hierarchical modelling approaches. In aeroelastic wing design, efficient models are needed during the concept and preliminary design phases, as a large design
Moritz Bäß, Kai-Uwe Schröder
doaj   +1 more source

Nonlinear Random Response Analyses of Panels Considering Transverse Shear Deformations under Combined Thermal and Acoustic Loads

open access: yesShock and Vibration, 2018
The panel structures of flight vehicles at supersonic or hypersonic speeds are subjected to combined thermal, acoustic, and aerodynamic loads. Because of the combined thermal and acoustic loads, the panel structure may exhibit nonlinear random vibration ...
Yeong-Nam Kim   +4 more
doaj   +1 more source

Parametric Instability of Functionally Graded Porous Cylindrical Panels under the Effect of Static and Time-Dependent Axial Loads

open access: yesVibration, 2022
This work presents an analytical study of the parametric instability of cylindrical panels containing functionally graded porous exposed to static and dynamic periodic axial loads under simply supported boundary conditions. Based on Hamilton’s principle,
Salah M. Zaidan, Hamad M. Hasan
doaj   +1 more source

Protocol for quantifying miRNA trafficking across the endosomal membrane

open access: yesFEBS Open Bio, EarlyView.
An in vitro protocol measures miRNA uptake into endosomes isolated from mammalian cell extracts, which are free of subcellular contaminants. Performed at 37 °C in the presence of ATP, it ensures the import of single‐stranded miRNA into the endosomal lumen.
Syamantak Ghosh   +2 more
wiley   +1 more source

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