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Finite element algorithms for thermoelastic wear problems
Department of Mechanical Engineering, Linköping University, Linköping, Sweden.
Department of Mechanical Engineering, Linköping University, Linköping, Sweden.
Department of Mechanical Engineering, Linköping University, Linköping, Sweden.ORCID-id: 0000-0001-6821-5727
2002 (engelsk)Inngår i: European journal of mechanics. A, Solids, ISSN 0997-7538, E-ISSN 1873-7285, Vol. 21, nr 3, s. 423-440Artikkel i tidsskrift (Fagfellevurdert) Published
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Abstract [en]

In the present paper three algorithms are applied to a finite element model of two thermoelastic bodies in frictional wearing contact. All three algorithms utilize a modification of a Newton method for B-differentiable equations as non-linear equation solver. In the first algorithm the fully-coupled system of thermomechanical equations is solved directly using the modified method, while in the other two algorithms the equation system is decoupled in one mechanical part and another thermal part which are solved using an iterative strategy of Gauss–Seidel type. The two iterative algorithms differ in which order the parts are solved. The numerical performance of the algorithms are investigated for two two-dimensional examples. Based on these numerical results, the behaviour of the model is also discussed. It is found that the iterative approach where the thermal subproblem is solved first is slightly more efficient for both examples. Furthermore, it is shown numerically how the predicted wear gap is influenced by the bulk properties of the contacting bodies, in particular how it is influenced by thermal dilatation.

sted, utgiver, år, opplag, sider
Elsevier, 2002. Vol. 21, nr 3, s. 423-440
Emneord [en]
thermomechanical contact; numerical methods; friction; wear; semi-smooth equations; Pang's Newton method
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URN: urn:nbn:se:oru:diva-48263DOI: 10.1016/S0997-7538(02)01208-1ISI: 000176078400006Scopus ID: 2-s2.0-0037914429OAI: oai:DiVA.org:oru-48263DiVA, id: diva2:904353
Tilgjengelig fra: 2007-12-17 Laget: 2016-02-15 Sist oppdatert: 2017-11-30bibliografisk kontrollert

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