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Coupled Systems Mechanics
  Volume 8, Number 2, April 2019 , pages 99-109

A FE2 multi-scale implementation for modeling composite materials on distributed architectures
Guido Giuntoli, Jimmy Aguilar, Mariano Vazquez, Sergio Oller and Guillaume Houzeaux

    This work investigates the accuracy and performance of a FE2 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.
Key Words
    FE2; multi-scale; HPC; composite materials
Guido Giuntoli, Jimmy Aguilar, Mariano Vazquez and Guillaume Houzeaux: Computer Application in Science & Engineering Department, Barcelona Supercomputing Center,
Carrer de Jordi Girona, 29, 31, 08034 Barcelona, Spain
Sergio Oller: International Centre for Numerical Methods in Engineering, Universitat Politecnica de Catalunya,
Carrer del Gran Capita, S/N, 08034 Barcelona, Spain

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