Results 21 to 30 of about 198 (163)

Elastostatic problems in multicomponent, multilayered periodic composites

open access: yesPrzegląd Naukowy Inżynieria i Kształtowanie Środowiska, 2018
The object of the analysis is a two-dimensional elastostatic problem for multicomponent, multilayered periodic composites. The equations of equilibrium for this composite are obtained within the framework of tolerance modelling procedure.
Monika Wągrowska   +2 more
doaj   +1 more source

Multiscale deformation analysis by Cauchy-Navier wavelets

open access: yesJournal of Applied Mathematics, 2003
A geoscientifically relevant wavelet approach is established for the classical (inner) displacement problem corresponding to a regular surface (such as sphere, ellipsoid, and actual earth surface). Basic tools are the limit and jump relations of (linear)
M. K. Abeyratne, W. Freeden, C. Mayer
doaj   +1 more source

On the Fredholm Property of the Trace Operators Associated with the Elastic Layer Potentials

open access: yesMathematics, 2019
We deal with the system of equations of linear elastostatics, governing the equilibrium configurations of a linearly elastic body. We recall the basics of the theory of the elastic layer potentials and we extend the trace operators associated with the ...
Giulio Starita, Alfonsina Tartaglione
doaj   +1 more source

Surface Green's functions in finite plane elastostatics of harmonic materials

open access: yesArchives of Mechanics, 2018
The closed-form representations of surface Green’s functions corresponding to the action of a concentrated force applied at the boundary of a region occupied by a particular class of compressible hyperelastic materials of harmonic type, has been derived.
X. Wang, P. Schiavone
doaj   +1 more source

Enhanced numerical integration scheme based on image-compression techniques: application to fictitious domain methods

open access: yesAdvanced Modeling and Simulation in Engineering Sciences, 2020
In the present work, we propose a new approach, the so-called compressed adaptive integration scheme (C-AIS), for the computation of the stiffness and mass matrices in fictitious domain methods requiring the integration of discontinuous functions.
Márton Petö   +2 more
doaj   +1 more source

Meshless Generalized Finite Difference Method Based on Nonlocal Differential Operators for Numerical Simulation of Elastostatics

open access: yesMathematics
This study proposes an innovative meshless approach that merges the peridynamic differential operator (PDDO) with the generalized finite difference method (GFDM).
Yeying Zhou   +3 more
doaj   +1 more source

Comparison of Galerkin and collocation Trefftz formulations for plane elasticity

open access: yesComputer Assisted Methods in Engineering and Science, 2023
The purpose of this work is to compare and assess, more in terms of computational efficiency than in terms of accuracy, three alternative implementations of a boundary formulation based on the Trefftz method for linear elastostatics, namely a ...
Vitor M.A. Leitão
doaj  

Coupled Finite Volume and Finite Element Method Analysis of a Complex Large-Span Roof Structure

open access: yesInternational Journal of Applied Mechanics and Engineering, 2017
The main goal of this paper is to present coupled Computational Fluid Dynamics and structural analysis for the precise determination of wind impact on internal forces and deformations of structural elements of a longspan roof structure. The Finite Volume
J. Szafran, K. Juszczyk, M. Kamiński
doaj   +1 more source

Pohozhaev and Morawetz Identities in Elastostatics and Elastodynamics

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2011
We construct identities of Pohozhaev type, in the context of elastostatics and elastodynamics, by using the Noetherian approach. As an application, a non-existence result for forced semi-linear isotropic and anisotropic elastic systems is established.
Yuri Bozhkov, Peter J. Olver
doaj   +1 more source

A Note on the Displacement Problem of Elastostatics with Singular Boundary Values

open access: yesAxioms, 2019
The displacement problem of linear elastostatics in bounded and exterior domains with a non-regular boundary datum a is considered. Precisely, if the elastic body is represented by a domain of class C k ( k ≥ 2 ) of R 3
Alfonsina Tartaglione
doaj   +1 more source

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