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COMPUTATIONAL ISSUE...
COMPUTATIONAL ISSUES OF GRADIENT-EXTENDED CRYSTAL INELASTICITY
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- Carlsson, Kristoffer, 1989 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Ekh, Magnus, 1969 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Runesson, Kenneth, 1948 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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visa fler...
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- Larsson, Fredrik, 1975 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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visa färre...
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(creator_code:org_t)
- 2016
- 2016
- Engelska.
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Ingår i: NSCM, 26 - 28 October, Göteborg, 2016 4 page extended abstract.
- Relaterad länk:
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https://research.cha...
Abstract
Ämnesord
Stäng
- . In this paper we discuss issues related to the theoretical as well as the computationalformat of gradient-extended crystal viscoplasticity. The so-called “primal”format uses the internal variables and the displacements as the primary unknown fields.An alternative format is coined the “semi-dual format”, which in addition includes microstresses,thereby defining a mixed variational problem. We compare the primal andsemi-dual variational formats in terms of pros and cons from a modeling as well as anumerical viewpoint. We perform a set of numerical benchmarks to investigate the rateof convergence for errors in different norms.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Nyckelord
- Primal formulation
- Dual formulation
- Crystal Plasticity
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)