Institutional Repository
Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/A32E2C8F-5C37-4731-9B85-E478EFC41D93 | ||
| Year | 2002 | ||
| Type of Item | Peer-Reviewed Journal Publication | ||
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| Bibliographic Citation | C.P. Providakis, S.G. Kourtakis, "Viscoplastic D/BEM analysis of metallic structures with dependence on thermomechanical history," Eng. Comp., vol. 19 ,no.6, pp.640 - 661,2002.doi:10.1108/02644400210439100 https://doi.org/10.1108/02644400210439100 | ||
| Appears in Collections |
The feasibility of advanced viscoplastic models for non‐linear boundary element analysis of metallic structural components with dependence on thermomechanical history is investigated. Several numerical examples are presented using the boundary element implementation of two different internal state variable viscoplastic models to the solution of time‐dependent inelastic problems arising in creeping metallic structural components under the combined action of high temperature loading gradients and quasi‐static mechanical loading conditions. To demonstrate the efficiency of the implemented viscoplastic models, the results obtained using the direct boundary element methodology are compared with those obtained by both analytical and finite element solution as well as, for different numerical results of plane strain thermoviscoplastic deformation problems under general thermomechanical loading.
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