Fatigue behavior of porous biomaterials manufactured using selective laser melting

SA Yavari, R Wauthle, J van der Stok… - Materials Science and …, 2013 - Elsevier
Porous titanium alloys are considered promising bone-mimicking biomaterials. Additive
manufacturing techniques such as selective laser melting allow for manufacturing of porous …

Experimental characterization and material-model development for microphase-segregated polyurea: an overview

M Grujicic, T He, B Pandurangan, FR Svingala… - Journal of Materials …, 2012 - Springer
Numerous experimental investigations reported in the open literature over the past decade
have clearly demonstrated that the use of polyurea external coatings and/or inner layers can …

Biomechanics of traumatic brain injury

T El Sayed, A Mota, F Fraternali, M Ortiz - Computer Methods in Applied …, 2008 - Elsevier
A biomechanical model for traumatic brain injury and soft tissue damage is presented. A
variational constitutive model for soft biological tissues is utilized to reproduce axonal …

Ultrasonic-assisted manufacturing processes: variational model and numerical simulations

A Siddiq, T El Sayed - Ultrasonics, 2012 - Elsevier
We present a computational study of ultrasonic assisted manufacturing processes including
sheet metal forming, upsetting, and wire drawing. A fully variational porous plasticity model …

Homogenization of elasto-(visco) plastic composites based on an incremental variational principle

L Brassart, L Stainier, I Doghri, L Delannay - International Journal of …, 2012 - Elsevier
An original approach is proposed in order to compute the homogenized response of
composite materials with elasto-(visco) plastic constituents. The formulation is based on an …

Modelling of dynamic ductile fracture and application to the simulation of plate impact tests on tantalum

C Czarnota, N Jacques, S Mercier, A Molinari - Journal of the Mechanics …, 2008 - Elsevier
A model of dynamic damage by void nucleation and growth is proposed for elastic–
viscoplastic materials sustaining intense loading. The model is dedicated to ductile materials …

A variational approach to modeling coupled thermo-mechanical nonlinear dissipative behaviors

L Stainier - Advances in Applied Mechanics, 2013 - Elsevier
This chapter provides a general and self-contained overview of the variational approach to
nonlinear dissipative thermo-mechanical problems initially proposed in Ortiz and Stainier …

A micromorphically regularized Cam-clay model for capturing size-dependent anisotropy of geomaterials

EC Bryant, WC Sun - Computer Methods in Applied Mechanics and …, 2019 - Elsevier
We introduce a regularized anisotropic modified Cam-clay (MCC) model which captures the
size-dependent anisotropic elastoplastic responses for clay, mudstone, shales, and …

A variational constitutive model for soft biological tissues

T El Sayed, A Mota, F Fraternali, M Ortiz - Journal of biomechanics, 2008 - Elsevier
In this paper, a fully variational constitutive model of soft biological tissues is formulated in
the finite strain regime. The model includes Ogden-type hyperelasticity, finite viscosity …

An explicit discontinuous Galerkin method for non‐linear solid dynamics: Formulation, parallel implementation and scalability properties

L Noels, R Radovitzky - International Journal for Numerical …, 2008 - Wiley Online Library
An explicit‐dynamics spatially discontinuous Galerkin (DG) formulation for non‐linear solid
dynamics is proposed and implemented for parallel computation. DG methods have …