Results 21 to 30 of about 1,243,157 (307)

Higher-Order Hamiltonian for Circuits with (α,β) Elements

open access: yesEntropy, 2020
The paper studies the construction of the Hamiltonian for circuits built from the (α,β) elements of Chua’s periodic table. It starts from the Lagrange function, whose existence is limited to Σ-circuits, i.e., circuits built exclusively from elements ...
Zdeněk Biolek   +3 more
doaj   +1 more source

Higher Order Cut Finite Elements for the Wave Equation [PDF]

open access: yesJournal of Scientific Computing, 2019
The scalar wave equation is solved using higher order immersed finite elements. We demonstrate that higher order convergence can be obtained. Small cuts with the background mesh are stabilized by adding penalty terms to the weak formulation. This ensures that the condition numbers of the mass and stiffness matrix are independent of how the boundary ...
Simon Sticko, Gunilla Kreiss
openaire   +2 more sources

Singular Higher Order Divergence-Conforming Bases of Additive Kind and Moments Method Applications to 3D Sharp-Wedge Structures [PDF]

open access: yes, 2008
We present new subsectional, singular divergence conforming vector bases that incorporate the edge conditions for conducting wedges. The bases are of additive kind because obtained by incrementing the regular polynomial vector bases with other ...
GRAGLIA, Roberto   +2 more
core   +1 more source

Model of Assembly Deviation of Irregular Large Thin-Walled Structures Based on Higher-Order Composite Shell Element

open access: yesShanghai Jiaotong Daxue xuebao, 2022
The non-uniform stiffness distribution of irregular large thin-walled structures leads to warping deformation in the process of machining and assembly.
LIN Zhangpeng, YU Haidong, YUAN Ke
doaj   +1 more source

Implementation of higher-order vertical finite elements in ISSM v4.13 for improved ice sheet flow modeling over paleoclimate timescales [PDF]

open access: yesGeoscientific Model Development, 2018
Paleoclimate proxies are being used in conjunction with ice sheet modeling experiments to determine how the Greenland ice sheet responded to past changes, particularly during the last deglaciation.
J. K. Cuzzone   +5 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

Enriched Finite Element Method Based on Interpolation Covers for Structural Dynamics Analysis

open access: yesMachines, 2023
This work proposes a novel enriched finite element method (E-FEM) for structural dynamics analysis. We developed the enriched 3-node triangular and 4-node tetrahedral displacement-based elements (T-elements).
Qiyuan Gu   +7 more
doaj   +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

Review of the strain-based formulation for analysis of plane structures Part II: Evaluation of the numerical performance [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization, 2021
In this part of the study, several benchmark problems are solved to evalu ate the performance of the existing strain-based membrane elements, which were reviewed in the first part.
M. Rezaiee-Pajand   +2 more
doaj   +1 more source

Exploring Institutional Behavioural Elements Needed to Support Knowledge Management in Higher Education Partnerships

open access: yes, 2021
As market competitiveness in the higher education sector continues to grow, higher education executives and managers are exploring alternatives of maintaining and growing market share by forming partnerships with other higher education institutions ...
Wood, R., Elezi, E.
core   +1 more source

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