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http://dx.doi.org/10.12989/csm.2019.8.2.099

A FE2 multi-scale implementation for modeling composite materials on distributed architectures  

Giuntoli, Guido (Computer Application in Science & Engineering Department, Barcelona Supercomputing Center)
Aguilar, Jimmy (Computer Application in Science & Engineering Department, Barcelona Supercomputing Center)
Vazquez, Mariano (Computer Application in Science & Engineering Department, Barcelona Supercomputing Center)
Oller, Sergio (International Centre for Numerical Methods in Engineering, Universitat Politecnica de Catalunya)
Houzeaux, Guillaume (Computer Application in Science & Engineering Department, Barcelona Supercomputing Center)
Publication Information
Coupled systems mechanics / v.8, no.2, 2019 , pp. 99-109 More about this Journal
Abstract
This work investigates the accuracy and performance of a $FE^2$ multi-scale implementation used to predict the behavior of composite materials. The equations are formulated assuming the small deformations solid mechanics approach in non-linear material models with hardening plasticity. The uniform strain boundary conditions are applied for the macro-to-micro transitions. A parallel algorithm was implemented in order to solve large engineering problems. The scheme proposed takes advantage of the domain decomposition method at the macro-scale and the coupling between each subdomain with a micro-scale model. The precision of the method is validated with a composite material problem and scalability tests are performed for showing the efficiency.
Keywords
$FE^2$; multi-scale; HPC; composite materials;
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