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One-way and fully-coupled FE2 methods for heterogeneous elasticity and plasticity problems: Parallel scalability and an application to thermo-elastoplasticity of dual-phase steels

D. Balzani, A. Gandhi, A. Klawonn, M. Lanser, O. Rheinbach, J. Schröder

Lecture Notes in Computational Science and Engineering, 113, 91-112, (2016)

DOI: 10.1007/978-3-319-40528-5_5

Download: BibTEX

In this paper, aspects of the two-scale simulation of dual-phase steels are considered. First, we present two-scale simulations applying a top-down oneway coupling to a full thermo-elastoplastic model in order to study the emerging temperature field. We find that, for our purposes, the consideration of thermomechanics at the microscale is not necessary. Second, we present highly parallel fully-coupled two-scale FE2 simulations, now neglecting temperature, using up to 458;752 cores of the JUQUEEN supercomputer at Forschungszentrum Jülich. The strong and weak parallel scalability results obtained for heterogeneous nonlinear hyperelasticity exemplify the massively parallel potential of the FE2 multiscale method. © Springer International Publishing Switzerland 2016.

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{"type":"conference", "name":"d.balzani20169", "author":"D. Balzani and A. Gandhi and A. Klawonn and M. Lanser and O. Rheinbach and J. Schröder", "title":"Oneway and fullycoupled FE2 methods for heterogeneous elasticity and plasticity problems: Parallel scalability and an application to thermoelastoplasticity of dualphase steels", "journal":"Lecture Notes in Computational Science and Engineering", "volume":"113", "OPTnumber":"", "OPTmonth":"9", "year":"2016", "OPTpages":"91-112", "OPTnote":"", "OPTkey":"elasticity; plasticity; scalability; supercomputers; dual-phase steel; elasto-plastic models; highly parallels; massively parallels; multiscale method; one-way couplings; parallel scalability; thermo-mechanics; elastoplasticity", "DOI":"10.1007/978-3-319-40528-5_5"}
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