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Heinz E. Pettermann (Vienna University of Technology) Antonio De Simone (Scuola Internazionale Superiore di Studi Avanzati)
A constitutive material law for linear thermo–viscoelasticity in the time domain under plane stress assumption is developed, and time dependent thermal expansion creep is treated. Various simulations on orthotropic problems are carried out.
Konstaninos I. Tserpes (University of Patras) Antonis Stamopoulos (University of Patras)
A multiscale methodology which utilizes the porosity quantified with XCT was developed for predicting the impact of porosity to the mechanical performance of CFRPs. The method was applied to 3 porosity levels and validated with mechanical tests.
Andre Wilmes (Imperial College London) Silvestre Pinho (Imperial College London)
A MDFEM for any multi-physics potential is shown. Novel Periodic Boundary Conditions for rotations in discrete and continuum domains with property homogenisation across scales and physics is presented. Network-analysis based meshing is introduced.
Sébastien Joannès (MINES ParisTech) Eveline Hervé-Luanco (University of Versailles)
Diffusivity properties of fibre reinforced materials are homogenized by a Morphological Representative Pattern-based approach. Fibre packing effects and the influence of interphase areas are investigated. Closed-form analytical relations are given.
Rawad Baroud (Ecole des Ponts ParisTech) Karam Sab (Navier Laboratory, Ecole des Ponts ParisTech) Jean-François Caron (Navier Laboratory, Ecole des Ponts ParisTech) Fouad Kaddah (Universite Saint Joseph) Wassim Raphael (Universite Saint Joseph)
This paper presents a new layerwise model for multilayered plates, named SCLS1, as an abbreviation of Statically Compatible Layerwise Stresses with first-order membrane stress approximations per layer in thickness direction.
Timothy Breitzman (U.S. Air Force Research Laboratory) Stephen Barr (Universal Technology Corporation) Gary S. Kedziora (Engility Corporation) James Moller (Miami University) Allison Ecker (University of Dayton) Dhriti Nepal (Air Force Research Laboratory) Rajiv Berry (Air Force Research Laboratory)
A multiscale quantum mechanics and molecular mechanics framework is presented which seeks to inform micro scale material response laws.The simulations are focused on efficient and accurate prediction of bond scission in polymer networks.
A two-scale progressive damage model is constructed, aimed at taking into account stochastic fibre failure, formation of clusters of fibre breaks, and the variability in the local fibre volume fraction as estimated from micro-CT data.
David Garoz Gomez (Ghent University) Francisco A. Gilabert (Ghent University) Ruben Sevenois (Ghent University) Siebe Spronk (Ghent University) Ali Rezaei (Ghent University) Wim Van Paepegem (Ghent University)
Different formulations and implementations of Periodic Boundary Conditions (PBCs) have been studied under dynamic load using an explicit finite element solver. This work indicates in which micro/meso unit cells the PBCs must be carefully applied.
Ernesto Rodriguez Pila (I2M - Arts et Métiers ParisTech) Claire Guillebaud (I2M - Arts et Métiers ParisTech) Hervé Wargnier (I2M - Arts et Métiers ParisTech)
The aim of the methodology is to lead the choice of the designer optimizing the cost of development and the level of confidence. This study deals with a sensibility analysis and an uncertainty study to identify the most relevant parameters of models.
George Chatzigeorgiou (Arts et Métiers ParisTech) Nicolas Charalambakis (Aristotle University of Thessaloniki) Yves Chemisky (Arts et Métiers ParisTech) Fodil Meraghni (Arts et Métiers ParisTech)
The current work deals with periodic composite media undergoing fully coupled thermomechanical loading. In these composites the material constituents are considered to obey the generalized standard materials laws.
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