A boundary element method for thermo-elastic homogenization of polycrystals
Dario Campagna, Vincenzo Gulizzi, Alberto Milazzo, Ivano Benedettidownload PDF
Abstract. A computational framework for thermo-elastic homogenization of polycrystalline materials is proposed. The formulation is developed at the crystal level and it is based on the explicit Voronoi representation of the micro-morphology. The crystal thermo-elastic equations are formulated in an integral form and numerically treated through the boundary element method. The presence of volume integrals, induced by the inherent physics of the thermo-elastic coupling, is addressed through a Dual Reciprocity Method (DRM), which allows recasting the formulation in terms of boundary integrals only. The developed methodology is applied for estimating the homogenized thermo-elastic constants of two widely employed ceramic materials. The method may find applications in multiscale analysis of polycrystalline structural component.
Polycrystalline Materials, Steady-State Thermo-Elasticity, Computational Homogenization, Computational Micro-Mechanics, Multiscale Materials Modelling, Boundary Element Method
Published online 11/1/2023, 4 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: Dario Campagna, Vincenzo Gulizzi, Alberto Milazzo, Ivano Benedetti, A boundary element method for thermo-elastic homogenization of polycrystals, Materials Research Proceedings, Vol. 37, pp 341-344, 2023
The article was published as article 75 of the book Aeronautics and Astronautics
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