Investigation of concurrent multiscale topology optimization for designing lightweight macrostructure with high thermal conductivity

M Al Ali, M Shimoda - International Journal of Thermal Sciences, 2022 - Elsevier
Lightweight and high heat conductive solid structures are playing important role in various
fields of engineering. To maximize the design performance for such structures, we …

[HTML][HTML] 3D stochastic bicontinuous microstructures: Generation, topology and elasticity

C Soyarslan, S Bargmann, M Pradas, J Weissmüller - Acta materialia, 2018 - Elsevier
Motivated by recent experimental investigations of the mechanical behavior of nanoporous
metal we explore an efficient and robust method for generating 3D representative volume …

Toward multiphysics multiscale concurrent topology optimization for lightweight structures with high heat conductivity and high stiffness using MATLAB

MA Ali, M Shimoda - Structural and Multidisciplinary Optimization, 2022 - Springer
Structural light weighting is vital for increasing energy efficiency and reducing CO2
emissions. Furthermore, for many applications, high heat conductivity is necessary to attain …

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 …

On multiphysics concurrent multiscale topology optimization for designing porous heat-activated compliant mechanism under convection for additive manufacture

M Al Ali, M Shimoda - Engineering Structures, 2023 - Elsevier
In this research, we investigated the use of concurrent multiscale topology optimization to
design additively manufacturable lightweight porous compliant mechanisms that enable …

Peridynamic micromechanics of composites: a review

VA Buryachenko - Journal of Peridynamics and Nonlocal Modeling, 2024 - Springer
A static peridynamic (proposed by Silling, see J. Mech. Phys. Solids 2000; 48: 175–209)
composite materials (CMs) of both the random and periodic structures are considered. In the …

Computational homogenization of elasto-plastic porous metals

F Fritzen, S Forest, T Böhlke, D Kondo… - International journal of …, 2012 - Elsevier
The effective material response of ductile metals containing spherical pores at volume
fractions between 0.1% and 30% is investigated on a computational basis. Periodic hard …

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 …

Apparent and effective physical properties of heterogeneous materials: Representativity of samples of two materials from food industry

T Kanit, F N'Guyen, S Forest, D Jeulin, M Reed… - Computer Methods in …, 2006 - Elsevier
Three-dimensional confocal images of two materials A and B from food industry made of two
constituents with highly contrasted properties, having the same volume fraction but different …

[HTML][HTML] Determination of the size of the representative volume element for random quasi-brittle composites

C Pélissou, J Baccou, Y Monerie, F Perales - International Journal of Solids …, 2009 - Elsevier
A representative volume element (RVE) is related to the domain size of a microstructure
providing a “good” statistical representation of typical material properties. The size of an …