Repozitorij Univerze v Novi Gorici

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Naslov:A non-singular method of fundamental solutions for two-dimensional steady-state isotropic thermoelasticity problems
Avtorji:liu, qingguo (Avtor)
Šarler, Božidar (Avtor)
Datoteke:Gradivo nima datotek. Gradivo je morda fizično dosegljivo v knjižnici fakultete, zalogo lahko preverite v COBISS-u. Povezava se odpre v novem oknu
Jezik:Angleški jezik
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:UNG - Univerza v Novi Gorici
Opis:We consider a boundary meshless numerical solution for two-dimensional linear static thermoelastic problems. The formulation of the problem is based on the approach of Marin and Karageorghis, where the Laplace equation for the temperature field is solved first, followed by a particular solution of the non-homogenous term in the Navier-Lamé system for the displacement, the solution of the homogenous equilibrium equations, and finally the application of the superposition principle. The solution of the problem is based on the method of fundamental solutions (MFS) with source points on the boundary. This is, by complying with the Dirichlet boundary conditions, achieved by the replacement of the concentrated point sources with distributed sources over the disk around the singularity, and for complying with the Neumann boundary conditions by assuming a balance of the heat fluxes and the forces. The derived non-singular MFS is assessed by a comparison with analytical solutions and the MFS for problems that can include different materials in thermal and mechanical contact. The method is easy to code, accurate, efficient and represents a pioneering attempt to solve thermoelastic problems with a MFS-type method without an artificial boundary. The procedure makes it possible to solve a broad spectra of thermomechanical problems.
Ključne besede:Keywords: Isotropic thermoelasticity Meshless method Non-singular method of fundamental solutions Collocation Efficient desingularisation
Leto izida:2017
Št. strani:89-102
Številčenje:75, Engineering Analysis with Boundary Elements
COBISS_ID:4619259 Povezava se odpre v novem oknu
URN:URN:SI:UNG:REP:N9QQXLJI
DOI:10.1016/j.enganabound.2016.11.010 Povezava se odpre v novem oknu
Licenca:CC BY-NC-ND 4.0
To delo je dosegljivo pod licenco Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna
Število ogledov:1351
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Področja:Gradivo ni uvrščeno v področja.
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Gradivo je del revije

Naslov:Engineering Analysis with Boundary Elements
Skrajšan naslov:Eng Anal Bound Elem
Založnik:Elsevier
ISSN:0955-7997
Leto izida:2017

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