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High performance computing for the reduced basis method. Application to natural convection. (English) Zbl 1329.76189

Summary: In this paper, we are interested in applying the reduced basis methodology (RBM) to steady-state natural convection problems. The latter has applications in many engineering domains and being able to apply the RBM would allow to gain huge computation savings when querying the model for many parameter evaluations. In this work, we focus on the order reduction of the model – in particular the handling of the non-linear terms, – as well as the design of the RBM computational framework and the requirements on high performance computing to treat 3D models using Feel\(++\), a C\(++\) open source library to solve partial differential equations. Numerical experiments are presented on 2D and 3D models.

MSC:

76M10 Finite element methods applied to problems in fluid mechanics
65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
76D05 Navier-Stokes equations for incompressible viscous fluids
76R10 Free convection

Software:

MUMPS; Feel++; Gmsh; PETSc
PDFBibTeX XMLCite
Full Text: DOI

References:

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