A mesoscopic model using the discrete element method for impacts on dry fabrics
TypeArticles dans des revues avec comité de lecture
Dry fabrics can be investigated in aeronautic field to contain debris. Such structures are most of the time modeled with finite elements leading to heavy time calculations especially due to contact treatment. An alternative way to compute efficiently contact treatment in case of textile under dynamic impact is proposed in this work. An original 3D Discrete Element Method (DEM) is carried out. It consists in a discrete representation of the fabrics at meso (yarn) and macro (textile) scales. The geometrical and mechanical modeling are first described taking into account a brittle elastic behavior for yarns and frictional contact between them. Then basic concepts of the DEM and the mesoscopic model with contact management are presented. An impact simulation scenario is performed to validate the implementation. Results are compared with simulations using the Finite Elements Method but also with available experimental datas.
Files in this item
Showing items related by title, author, creator and subject.
A promising way to model damage in composite and dry fabrics using a Discrete Element Method (DEM) DAU, Frédéric; MAHEO, Laurent; LE, Ba Danh; GIRARDOT, Jérémie (ASTM, 2014)A promising way to model fracture mechanics with the use of an original Discrete Element Method (DEM) is proposed. After proving the ability of the method to capture kinetic damage induced by cracking phenomena in brittle ...
DEL SORBO, Pietro; GIRARDOT, Jérémie; DAU, Frédéric; IORDANOFF, Ivan (ELSEVIER, 2017)Since the beginning of the last decade, few examples of multifilament models for dry fabrics have been presented in literature. This work deals with the simulation of a single yarn subjected to transverse impact. Inspired ...
GIRARDOT, Jérémie; LORONG, Philippe; ILLOUL, Lounès; RANC, Nicolas; SCHNEIDER, Matthieu; FAVIER, Véronique (2017)The laser drilling process is the main process used in machining procedures on aeronautic engines, especially in the cooling parts. The industrial problematic is to reduce geometrical deviations of the holes and defects ...
Procédé de perçage par laser : Comparaison entre des données expérimentales et une simulation 2D basée sur la méthode CNEM GIRARDOT, Jérémie; RANC, Nicolas; SCHNEIDER, Matthieu; LORONG, Philippe; ILLOUL, Lounès; BERTHE, Laurent; FAVIER, Véronique (Congrès français de mécanique (21 ; 2013 ; Bordeaux (Gironde), 2013)This work presents a numerical alternative for the laser drilling simulation problem. Using finite element method is difficult to simulate the hole propagation over time, especially because of moving boundaries due to a ...
MAZEL, Vincent; GUERARD, Sandra; CROQUELOIS, Benjamin; KOPP, Jean-Benoit; GIRARDOT, Jérémie; DIARRA, Harona; BUSIGNIES, Virginie; TCHORELOFF, Pierre (Elsevier, 2016)Mechanical strength is an important critical quality attribute for tablets. It is classically measured, in the pharmaceutical field, using the diametral compression test. Nevertheless, due to small contact area between the ...