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- W3203853485 abstract "In this thesis, a computational framework for microstructural modelling of transverse behaviour of heterogeneous materials is presented. The context of this research is part of the broad and active field of Computational Micromechanics, which has emerged as an effective tool both to understand the influence of complex microstructures on the macro-mechanical response of engineering materials and to tailor-design innovative materials for specific applications through a proper modification of their microstructure. The computational framework presented in this thesis is based on the Virtual Element Method (VEM), a recently developed numerical technique able to provide robust numerical results even with highly-distorted meshes. The peculiar features of VEM have been exploited to analyse two-dimensional representations of heterogeneous materials microstructures. Ad-hoc polygonal multi-domain meshing strategies have been developed and tested to exploit the discretisation freedom that VEM allows. To further simplify the preprocessing stage of the analysis and reduce the total computational cost, a novel hybrid formulation for analysing multi-domain problems has been developed by combining the Virtual Element Method with the well-known Boundary Element Method (BEM). The hybrid approach has been used to study both composite material transverse behaviour in presence of inclusions with complex geometries and damage and crack propagation in the matrix phase. Numerical results are presented that demonstrate the potential of the developed framework." @default.
- W3203853485 created "2021-10-11" @default.
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- W3203853485 date "2021-10-02" @default.
- W3203853485 modified "2023-09-27" @default.
- W3203853485 title "Virtual Element based formulations for computational materials micro-mechanics and homogenization." @default.
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- W3203853485 hasPublicationYear "2021" @default.
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