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Development, assessment and verification of finite element procedures for contact problems
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SYSNO ASEP 0489668 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Development, assessment and verification of finite element procedures for contact problems Author(s) Gabriel, Dušan (UT-L) RID, ORCID
Kopačka, Ján (UT-L) RID, ORCID
Masák, Jan (UT-L)
Plešek, Jiří (UT-L) RID, ORCID, SAINumber of authors 4 Source Title Engineering mechanics 2018. Book of full texts. - Prague : Institute of Theoretical and Applied Mechanics of the Czech Academy of Sciences, 2018 / Fischer C. ; Náprstek J. - ISSN 1805-8248 - ISBN 978-80-86246-88-8 Pages s. 1-4 Number of pages 4 s. Publication form Print - P Action Engineering mechanics 2018 /24./ Event date 14.05.2018 - 17.05.2018 VEvent location Svratka Country CZ - Czech Republic Event type EUR Language eng - English Country CZ - Czech Republic Keywords FEM ; contact algorithm ; creep analysis ; T-piece of the steam distributor Subject RIV JR - Other Machinery OECD category Applied mechanics R&D Projects EF15_003/0000493 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UT-L - RVO:61388998 Annotation A frictionless three-dimensional contact algorithm based on the pre-discretization penalty formulation was proposed. The algorithm proved to be robust, accurate and symmetry preserving—no master/slave surfaces have been introduced. It was implemented in the finite element code PMD (Package for Machine Design) for the solution of complex engineering problems. The capability of the algorithm was demonstrated in creep analysis of T-piece of the steam distributor of the CHEMOPETROL heating plant T200. Material properties were described by the probabilistic exponential model with damage. The purpose of the analysis was to compare the original version and the proposed design modification applied to one of T-pieces of the distributor when the proposed contact algorithm was employed to simulate the interaction between the collar and the pipe. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2019
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