Results 31 to 40 of about 18,656,673 (304)

Steerable Higher Order Mode Dielectric Resonator Antenna With Parasitic Elements for 5G Applications

open access: yesIEEE Access, 2017
This paper presents the findings of a steerable higher order mode (TE1δ3y) dielectric resonator antenna with parasitic elements. The beam steering was successfully achieved by switching the termination capacitor on the parasitic element.
Nor Hidayu Shahadan   +6 more
doaj   +1 more source

Comparison of the Content of Several Elements in Seawater, Sea Cucumber Eupentacta fraudatrix and Its High-Molecular-Mass Multiprotein Complex

open access: yesMolecules, 2022
Metal ions and other elements play many different critical roles in all biological processes. They can be especially important in high concentrations for the functioning of organisms living in seawater.
Natalia P. Zaksas   +4 more
doaj   +1 more source

Polarization converter for higher-order laser beams based on the use of forming binary diffractive optical elements as beam splitter

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2012
We propose a new approach to generating a pair of initial beams for a polarization converter that operates by summing up two opposite-sign circularly polarized beams.
Sergey V Karpeev   +4 more
doaj   +3 more sources

Euler-Lagrange Equations of Networks with Higher-Order Elements [PDF]

open access: yesRadioengineering, 2017
The paper suggests a generalization of the classic Euler-Lagrange equation for circuits compounded of arbitrary elements from Chua’s periodic table.
Z. Biolek, D. Biolek
doaj  

Dynamic Error Estimation in Higher-Order Finite Elements

open access: yesDesigns
The Finite Element Method (FEM) has emerged as a powerful tool for predicting the behavior of industrial products, including those with complex geometries or uncommon materials.
Anna Karpik   +2 more
doaj   +1 more source

Bending and free vibration of functionally graded beams using various higher-order shear deformation beam theories [PDF]

open access: yes, 2012
In this paper, various higher-order shear deformation beam theories for bending and free vibration of functionally graded beams are developed. The developed theories account for higher-order variation of transverse shear strain through the depth of the ...
Thai, Huu-Tai, Vo, Thuc
core   +1 more source

Implementation of Higher-Order Two-Dimensional Singular Elements in FEM codes and Numerical Results problems [PDF]

open access: yes, 2003
This paper presents strategies and schemes to implement higher-order two dimensional singular elements in Finite Elements codes.
Lombardi, Guido
core  

A refined higher-order shear deformation theory for bending, vibration and buckling analysis of functionally graded sandwich plates [PDF]

open access: yes, 2015
A refined higher-order shear deformation theory for bending, vibration and buckling analysis of functionally graded sandwich plates is presented in this paper.
Thai, Huu-Tai, Vo, Thuc, Nguyen, Kien
core   +1 more source

Social Functioning Within the First Years After Pediatric Brain Tumor Diagnosis and the Relationship With Family Psychosocial Risk

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Survivors of pediatric brain tumors (PBTs) can experience long‐term social difficulties, impacting quality of life. Beyond medical and environmental factors, family psychosocial risk may play a role in social outcomes by shaping the caregiving environment and may provide intervention options.
Renske H. Houben   +4 more
wiley   +1 more source

Static inconsistencies in certain axiomatic higher-order shear deformation theories for beams, plates and shells [PDF]

open access: yes, 2015
Static inconsistencies that arise when modelling the flexural behaviour of beams, plates and shells with clamped boundary conditions using a certain class of axiomatic, higher-order shear deformation theory are discussed.
Weaver, P. M.   +5 more
core   +1 more source

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