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ABSTRACT
A 3D multi-physics boundary element computational framework for polycrystalline materials micro-mechanics
Ivano Benedetti1,*
1 Department of Engineering, University of Palermo, Viale delle Scienze, Edificio 8, 90128, Palermo, Italy.
* Corresponding Author: Ivano Benedetti,
The International Conference on Computational & Experimental Engineering and Sciences 2021, 23(1), 4-6. https://doi.org/10.32604/icces.2021.08213
Abstract
A recently developed novel three-dimensional (3D) computational
framework for the analysis of polycrystalline materials at the grain scale is
described in this lecture. The framework is based on the employment of:
i) 3D
Laguerre-Voronoi tessellations for the representation of the micro-morphology
of polycrystalline materials;
ii)
boundary integral equations for the
representation of the mechanics of the individual grains;
iii) suitable
cohesive
traction-separation laws for the representation of the multi-physics behavior of
the interfaces (either inter-granular or trans-granular) within the aggregate, which
are the seat of damage initiation and evolution processes, up to complete decohesion and failure. The lecture will describe the main features of the proposed
framework, its main advantages, current issues and direction of potential further
development. Several applications to the computational analysis of damage
initiation and micro-cracking of common and piezoelectric aggregates under
different loading conditions will be discussed. The framework could find
profitable application in the multiscale analysis of polycrystalline components
and in the design of micro-electromechanical devices (MEMS).
Keywords
Cite This Article
Benedetti, I. (2021). A 3D multi-physics boundary element computational framework for polycrystalline materials micro-mechanics.
The International Conference on Computational & Experimental Engineering and Sciences, 23(1), 4–6. https://doi.org/10.32604/icces.2021.08213