DYMAT 22nd Technical Meeting 2016: Experimental testing and modelling of brittle materials at high strain-rates

Welcome reception

Craya Amphitheatre

Opening Ceremony

Craya Amphitheatre

Pascal Forquin

Invited Lecture

Craya Amphitheatre

Benjamin ERZAR, CEA Gramat (France) ; Pascal FORQUIN, Grenoble Alpes University, 3SR Lab., RV Division (France)

› An Improved Computational Constitutive Model for Glass - Timothy Holmquist, Southwest Research Institute 08:45-09:30 (45min)

Modeling of ceramics at high strain-rates

Craya Amphitheatre

Benjamin ERZAR, CEA Gramat (France) ; Pascal FORQUIN, Grenoble Alpes University, 3SR Lab., RV Division (France)

› Calibrating the Johnson-Holmquist ceramic model for a ceramic under dynamical impact - Maxime Cornière, CEDREM 09:30-09:50 (20min)

› A Fully Implicit Plasticity Model for the Characterization of Ceramics in Ballistic Protection - Erik Simons, Delft University of Technology 09:50-10:10 (20min)

› Numerical Investigation of Fracture Processes in an Element-free Galerkin Domain - Paul Warnstedt, University of the Bundeswehr Munich 10:10-10:30 (20min)

Coffee break and Poster Session

Craya Amphitheatre

Experimental testing of ceramics at high strain-rates

Craya Amphitheatre

Wayne CHEN, Purdue University (United States) ; Antonio COSCULLUELA, CEA CESTA (FRANCE)

› Characterisation of the dynamic compressive behaviour of ceramics using High Pulsed Power technologies - Benjamin Erzar, CEA Gramat 11:00-11:20 (20min)

› Strain-rate sensitivity of the tensile strength of ceramics: experimental evidences and micromechanical modelling of the fragmentation process activated at very high strain-rates - Jean-Luc Zinszner, CEA Gramat 11:20-11:40 (20min)

› Brittle-materials at high-loading rates. An open area of research - Pascal Forquin, 3SR-RV division, Univ. Grenoble Alpes 11:40-12:20 (40min)

Lunch

Galilee Building

Visit of 3SR laboratory

Ceramics under impact loading

Craya Amphitheatre

Leslie LAMBERSON, Drexel University (United States) ; Timothy HOLMQUIST, Southwest Research Institute (United States)

› A pulse-shaping technique to investigate the behaviour of brittle materials under plate-impact test - Pascal Forquin, 3SR-RV division, Univ. Grenoble Alpes 14:50-15:10 (20min)

› Hypervelocity impacts into porous graphite: experiments and simulations - David Hebert, CESTA 15:10-15:30 (20min)

Coffee break and poster session

Craya Amphitheatre

Imaging-based characterization of brittle materials at high strain-rates

Magnus LANGSETH, Norwegian University of Science and Technology (Norway), Dominique SALETTI, Grenoble Alpes University, 3SR Lab., RV Division (France)

› Use of micro-tomography to investigate the dynamic fragmentation in ceramics under impact loading - Edward Andò, 3SR, Univ. Grenoble Alpes 16:00-16:20 (20min)

› Image-Based Dynamic Fracture Analysis of Brittle Polymers - Leslie Lamberson, Drexel University 16:20-16:40 (20min)

› In-situ observation of fracture processes in high strength concrete and limestone using high speed X-ray phase contrast imaging - Wayne Chen, Purdue University 16:40-17:00 (20min)

DYMAT General Assembly

Craya Amphitheatre

DYMAT GB 1

DYMAT Governing Board 1

Grenoble City Center Tour