Scaling to RVE in random media

M Ostoja-Starzewski, S Kale, P Karimi… - Advances in Applied …, 2016 - Elsevier
The problem of effective properties of material microstructures has received considerable
attention over the past half a century. By effective (or overall, macroscopic, global) is meant …

Scale-dependent homogenization of random composites as micropolar continua

P Trovalusci, M Ostoja-Starzewski, ML De Bellis… - European Journal of …, 2015 - Elsevier
A multitude of composite materials ranging from polycrystals to rocks, concrete, and masonry
overwhelmingly display random morphologies. While it is known that a Cosserat …

Material symmetry group and constitutive equations of micropolar anisotropic elastic solids

VA Eremeyev… - … and Mechanics of Solids, 2016 - journals.sagepub.com
We discuss the material symmetry group of the micropolar continuum and related
consistently simplified constitutive equations. Following Eremeyev and Pietraszkiewicz (Int J …

A multi-physics-based approach to predict mechanical behavior of concrete element in a multi-scale framework

B Pal, A Ramaswamy - Mechanics of Materials, 2023 - Elsevier
Concrete is a heterogeneous material whose constituents (eg, hydrated cement paste,
aggregate etc.) ranges from a characteristic length-scale of a few nanometres to metre …

A phase field model for cohesive fracture in micropolar continua

HS Suh, WC Sun, DT O'Connor - Computer Methods in Applied Mechanics …, 2020 - Elsevier
While crack nucleation and propagation in the brittle or quasi-brittle regime can be predicted
via variational or material-force-based phase field fracture models, these models often …

[HTML][HTML] Multiscale failure analysis of periodic masonry structures with traditional and fiber-reinforced mortar joints

F Greco, L Leonetti, R Luciano, P Trovalusci - Composites Part B …, 2017 - Elsevier
In this paper, a novel adaptive multiscale model is proposed for accurately predicting the
nonlinear mechanical response of periodic brick masonry due to crack initiation and …

Displacement-driven approach to nonlocal elasticity

S Patnaik, S Sidhardh, F Semperlotti - European Journal of Mechanics-A …, 2022 - Elsevier
This study presents a physically-consistent displacement-driven reformulation of the concept
of action-at-a-distance, which is at the foundation of nonlocal elasticity. In contrast to the …

[HTML][HTML] A multiscale description of particle composites: From lattice microstructures to micropolar continua

P Trovalusci, ML De Bellis, R Masiani - Composites Part B: Engineering, 2017 - Elsevier
We present a two–steps multiscale procedure suitable to describe the constitutive behavior
of hierarchically structured particle composites. The complex material is investigated …

Fast statistical homogenization procedure (FSHP) for particle random composites using virtual element method

M Pingaro, E Reccia, P Trovalusci, R Masiani - Computational Mechanics, 2019 - Springer
Mechanical behaviour of particle composite materials is growing of interest to engineering
applications. A computational homogenization procedure in conjunction with a statistical …

[HTML][HTML] Sensitivity to material contrast in homogenization of random particle composites as micropolar continua

E Reccia, ML De Bellis, P Trovalusci… - Composites Part B …, 2018 - Elsevier
Several composite materials used in engineering–such as ceramic/metal matrix composites,
concrete, masonry-like/geo–materials and innovative meta–materials–have internal micro …