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FIBER AND RESIN FLOW EVALUATION OF SHORT CARBON FIBER-REINFORCED COMPOSITES USING MOVING PARTICLE SEMI-IMPLICIT PARTICLE-SIMULATION METHOD
Mahiro Teratani (Osaka University) Kazutaka Mukoyama (Osaka University) Shuhei Matsuzawa (Osaka University) Kenta Mitsufuji (Osaka University) Fumikazu Miyasaka (Osaka University) Koushu Hanaki (Osaka University) Tetsusei Kurashiki (Osaka University)
Flowability of resin and fibers during press forming of short fiber-reinforced composites is evaluated by using Moving Particle Semi-implicit method.
ON THE RELEVANCE OF THE JEFFERY AND THE FOLGAR & TUCKER MODELS IN THE SIMULATION OF SHORT FIBER SUSPENSIONS KINEMATICS
Marta Pérez (Ecole Centrale de Nantes) Adrien Scheuer (Université Catholique de Louvain) Emmanuelle Abisset-Chavanne (Ecole Centrale Nantes) Francisco Chinesta (Ecole Centrale Nantes) Roland Keunings (Université Catholique de Louvain)
The classical Jeffery and Folgar & Tucker models are analyzed using a kinetic theory based approach, testing the model hypotheses influence on the fiber kinematics.
OPTIMIZATION OF PROCESS CHAIN FOR CONTINUOUS-DISCONTINUOUS LONG FIBER REINFORCED POLYMER STRUCTURES
Woramon Pangboonyanon (Karlsruhe Institute of Technology) Marielouise Zaiß (Karlsruhe Institute of Technology) Jürgen Fleischer (Karlsruhe Institute of Technology) Gisela Lanza (Karlsruhe Institute of Technology)
This paper considers the necessity of the preform step, the possibility to integrate the unidirectional tape with sheet molding compound and the quality assurance for these continuous-dicontinuous-semi-finished parts.
ASSESSING FIBRE KINEMATICS IN DILUTE FIBRE SUSPENSIONS WITH NON-NEWTONIAN SUSPENDING FLUIDS USING FAST X-RAY TOMOGRAPHY AND 3D FINITE ELEMENT SIMULATIONS
Tanguy Laurencin (Laboratoire 3SR) Laurent Orgéas (CNRS) Pierre Dumont (INSA de Lyon) Patrice Laure (CNRS) Sabine Rolland du Roscoat (CNRS) L. Silva (CNRS) Steven Le Corre (University of Nantes) M. Terrien (CNRS)
We conducted 3D in situ compression experiments using model non-Newtonian fibre suspensions that were imaged by fast X-ray microtomography. In parallel, these experiments were numerically simulated with an Eulerian multi-domain FE code.
ANALYTICAL MODEL OF CRITICAL THRUST FORCE FOR EXI-PLY DELAMINATION DURING DRILLING: THERMO-MECHANICAL ANALYSIS
Jamel Saoudi (Institut Clément Ader) Redouane Zitoune (University of Toulouse) Suhasini Gururaja (Indian Institute of Science) Salah Mezlini (University of Monastir) Philippe Seitier (Insa Toulouse)
An analytical model for the prediction of the critical thrust force for exit-ply delamination during drilling composite laminates accounting for thermal effect is proposed.
ON-LINE MIXING RTM PROCESS SIMULATION TREATING DUAL-SCALE FLOW
Mathieu Imbert (ESI Group) Emmanuelle Abisset-Chavanne (Ecole Centrale Nantes) Sébastien Comas-Cardona (Ecole Centrale de Nantes) David Prono (ESI Group)
A new flexible, accurate and efficient dual-scale simulation approach has been developed to treat on-line mixing RTM injections. First results reveal significant differences to classical single-scale simulations for highly reactive injection cases.
EXPERIMENTAL AND NUMERICAL STUDY OF THE TOOL-PART INTERACTION IN FLAT AND DOUBLE CURVATURE PARTS
Onur Yüksel (Bogazici University) Kenan Cinar (Bogazici University) Nuri Ersoy (Bogazici University)
A 3-D numerical model, which is modified and verified with respect to overall deformation field of manufactured parts and enhanced by experimental measurement of tool part interaction, is developed to predict the process induced deformations.
CORRELATION OF FLOW INDUCED STRAIN STATES AND YOUNG’S MODULUS IN CARBON REINFORCED MOULDING COMPOUNDS
Markus Reiß (BMW AG) Johannes Eschl (BMW Group) Frank Henning (Karlsruhe Institute of Technology)
This study investigates the coherence of the strain a SMC-material experiences in the flow process and the change in fibre orientation. A method is introduced to correlate calculated strain with mechanical values in order to assess fibre orientation.
IN-SITU MONITORING AND SIMULATION OF CURE-PROCESS OF CFRP USING OPTICAL FIBER SENSORS
Tatsuro Kosaka (Kochi University of Technology) G. Ueyama (Kochi University of Technology) K. Kusukawa (Kochi University of Technology)
In-situ measurement method of degree-of-cure of FRP using optical fiber sensors was developed and applied to monitor cure process of CFRP.
MECHANICAL CHARACTERIZATION OF COMPOSITE MATERIALS FROM CURVED STRUCTURES
Mathilde Crozatier (Arts et Metiers ParisTech) Svetlana Terekhina (Ecole Nationale Supérieur d'Arts et Metiers) Frédéric Dau (Ecole Nationale Supérieur d'Arts et Metiers) Laurent Guillaumat (Ecole Nationale Supérieur d'Arts et Metiers)
In order to carry out mechanical characterization, experiments of radial compression are conducted on composite ring. An inverse approach is adopted to get the elastic properties by Finite Element Method (FEM), using an optimization process.
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