Quantitative ultrasound assessment of cortical bone properties beyond bone mineral density

Q Grimal, P Laugier - Irbm, 2019 - Elsevier
The development of quantitative ultrasound (QUS) technologies to measure bone is
motivated by the need to overcome the limitations of X-ray based methods, measuring bone …

Ultrasound to assess bone quality

K Raum, Q Grimal, P Varga, R Barkmann… - Current osteoporosis …, 2014 - Springer
Bone quality is determined by a variety of compositional, micro-and ultrastructural properties
of the mineralized tissue matrix. In contrast to X-ray-based methods, the interaction of …

Change in porosity is the major determinant of the variation of cortical bone elasticity at the millimeter scale in aged women

M Granke, Q Grimal, A Saïed, P Nauleau, F Peyrin… - Bone, 2011 - Elsevier
At the mesoscale (ie over a few millimeters), cortical bone can be described as two-phase
composite material consisting of pores and a dense mineralized matrix. The cortical porosity …

Determination of the size of the Representative Volume Element (RVE) for the simulation of heterogeneous polymers at finite strains

SM Mirkhalaf, FMA Pires, R Simoes - Finite Elements in Analysis and …, 2016 - Elsevier
The definition of the size of the Representative Volume Element (RVE) is extremely
important for the mechanics and physics of heterogeneous materials since it should …

The influence of bone surface availability in bone remodelling—a mathematical model including coupled geometrical and biomechanical regulations of bone cells

P Pivonka, PR Buenzli, S Scheiner, C Hellmich… - Engineering …, 2013 - Elsevier
Bone is a biomaterial undergoing continuous renewal. The renewal process is known as
bone remodelling and is operated by bone-resorbing cells (osteoclasts) and bone-forming …

Representative volume element (RVE) analysis for mechanical characterization of fused deposition modeled components

P Ferretti, GM Santi, C Leon-Cardenas, E Fusari… - Polymers, 2021 - mdpi.com
Additive manufacturing processes have evolved considerably in the past years, growing into
a wide range of products through the use of different materials depending on its application …

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 …

The asymptotic homogenization elasticity tensor properties for composites with material discontinuities

R Penta, A Gerisch - Continuum Mechanics and Thermodynamics, 2017 - Springer
The classical asymptotic homogenization approach for linear elastic composites with
discontinuous material properties is considered as a starting point. The sharp length scale …

Investigation of the potential of asymptotic homogenization for elastic composites via a three-dimensional computational study

R Penta, A Gerisch - Computing and Visualization in Science, 2015 - Springer
Asymptotic homogenization is employed assuming a sharp length scale separation between
the periodic structure (fine scale) and the whole composite (coarse scale). A classical …

Quantitative analysis of the representative volume element of polymer grouting materials based on geometric homogenization

J Wang, X Li, C Wang, C Zhang, H Fang… - Construction and Building …, 2021 - Elsevier
In recent years, polymer grouting material has been applied to engineering combined with
the development of grouting technology. Two-component foaming polyurethane is one type …