Book of Abstracts
R. Joffe, L. Pupure, J. Varna, L. Wallström (Editors)
PROGRAM
Registration
8:00-8:30
Welcome Ceremony
8:30-8:45
Keynote lecture chaired by S. Lomov
8:45-9:30
- DAMAGE AND STRENGTH PREDICTIONS OF 3D WOVEN COMPOSITE STRUCTURES: EXPERIMENTAL CHARACTERIZATION, SIZE EFFECT AND MODELLING
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1ONERA/DMAS - Université Paris Saclay, 92322 Châtillon, France
2ISAE-SUPAERO / Clément Ader Institute, 31400 Toulouse, France
3Safran Aircraft Engines, 77550 Moissy-Cramayel FranceKeywords: 3D woven composites, fracture toughness, size effect, non-linear fracture mechanics
Oral session "Intralaminar Cracking ‐ 1" chaired by M. Hajikazemi and P. Fernberg
9:30-10:30
- 9:30-9:50 ELASTIC PROPERTIES OF COMPOSITE LAMINATES IN THE PRESENCE OF OFF-AXIS CRACKS AND DELAMINATION: MODELLING AND MEASUREMENTS (ID 144)
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1Department of Management and Engineering, University of Padova, Stradella S. Nicola, 3, Vicenza, Italy
Keywords: Stiffness degradation, shear lag, off-axis crack, delamination
- 9:50-10:10 EXACT EXPRESSIONS OF CRACK FACE SLIDING DISPLACEMENT (CSD) FOR INPLANE ELASTIC CONSTANTS OF SYMMETRIC DAMAGED LAMINATES (ID 156)
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1RISE SICOMP, Box 271, SE-94129, Piteå, Sweden
2Division of Engineering Materials, Linköping University, 581 83 Linköping
3Division of Materials Science, Luleå University of Technology SE-97187 Luleå, SwedenKeywords: Crack Sliding displacement (CSD), FEM, Transverse cracks
- 10:10-10:30 MICRO-DAMAGE ANALYSIS IN THIN-PLY LAMINATES FOR CRYOGENIC APPLICATIONS (ID 164)
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1Department of Engineering Sciences and Mathematics, Luleå University of Technology, 97187 Luleå, Sweden
2RISE SICOMP, Box 271, SE-94129, Piteå, SwedenKeywords: Thin-ply laminates, Transverse cracking, Cryogenic temperature, Weibull strength
Coffee Break
10:30-11:00
Oral session "Intralaminar Cracking ‐ 2" chaired by A. Pupurs and M. Loukil
11:00-12:40
- 11:00-11:20 CRACK MIGRATION: EXPERIMENTS AND NUMERICAL MODELLING ON ANGLE-PLY LAMINATES (ID 120)
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1Laboratory of Applied Mechanics and Reliability Analysis (LMAF-STI), Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland
Keywords: Crack migration, Angle-ply laminates, Fibre-reinforced polymer, Cohesive zone model
- 11:20-11:40 TRANSVERSE CRACKING IN THIN PLY-COMPOSITES: MESOSCALE MODELLING AND ACCURATE PREDICTIONS (ID 136)
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1Laboratory of Applied Mechanics and Reliability Analysis (LMAF-STI), Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland
Keywords: Thin-ply, size effects, multiscale modelling,transverse cracking, cohesive elements
- 11:40-12:00 X-RAY CT IMAGING AND MODELING OF FLEXURE-INDUCED DAMAGE IN TAPE-LAMINATES (ID 141)
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1Department of Mechanical Engineering, University of Utah, Salt Lake City, Utah 84112, USA
2Air Force Research Laboratory, RX Directorate, Wright-Patterson AFB, OH 45433, USAKeywords: X-ray Computed Tomography, In-Situ Testing, Transverse Fracture, Delamination, Progressive Damage Modeling
- 12:00-12:20 VARIATIONAL MODEL FOR PLY CRACKING IN MULTIPLE ORIENTATIONS IN GENERAL SYMMETRIC COMPOSITE LAMINATES WITH FULL HOMOGENIZATION OF DAMAGED INPLANE AND OUT-OF-PLANE PLY PROPERTIES (ID 151)
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1Department of Materials, Textiles and Chemical Engineering, Faculty of Engineering and Architecture, Ghent University, Technologiepark Zwijnaarde 46, Ghent, Belgium
Keywords: Ply cracking, Homogenization, Variational approach, Finite elements, Digital Image Correlation
- 12:20-12:40 MULTISCALE MODELLING OF A THICK CARBON FIBRE SHEET MOULDING COMPOUND AUTOMOTIVE COMPONENT: FROM MANUFACTURING TO STRUCTURAL SIMULATION (ID 130)
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1Toyota Motor Europe, Material Engineering, Hoge Wei 33, 1930, Zaventem, Belgium
2Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44 box 2450, 3001 Leuven, Belgium
3meComposites, Department of Mechanicals Engineering, Imperial College London, South Kensington Campus, SW7 2AZ London, UKKeywords: Sheet Moulding Compounds, Compression moulding, Multiscale modelling, Composites structures
Lunch
12:40-13:40
Oral session "Delaminations ‐ 1" chaired by E. Jarve and M. Wisnom
13:40-15:20
- 13:40-14:00 IMPROVING DELAMINATION FRACTURE TOUGHNESS IN MULTI-DIRECTIONAL LAMINATES USING INTERLOCKED THIN-PLY REINFORCEMENTS (ID 102)
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1Department of Aeronautics, Imperial College London, South Kensington Campus, London, SW7 2AZ, United Kingdom
2Department of Mechanical Engineering, Imperial College London, South Kensington Campus, London, SW7 2AZ, United KingdomKeywords: Fracture toughness, Damage tolerance, Interlaminar reinforcement, Thin-ply, Ply-level structures
- 14:00-14:20 AN ELEMENT TEST SPECIMEN WITH PLY DROPS TO STUDY FATIGUE CRACK GROWTH RATES AT GEOMETRY TRANSITIONS (ID 134)
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1Department of Wind Energy, Section of Composite Mechanics and Structures, Technical University of Denmark, DK-4000 Roskilde, Denmark
Keywords: Ply drop, Delamination, Tunneling crack, Cyclic loading
- 14:20-14:40 AN EXPERIMENTAL PROCEDURE TO CHARACTERIZE ADHESIVE JOINTS LOADED IN SHEAR (ID 121)
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1Materials+Technologies Group/ Mechanics of Materials, (UPV/EHU), San Sebastián, Spain
2AMADE, Polytechnic School (II), University of Girona, Girona, SpainKeywords: Adhesive layer; Cohesive law; J-Integral; Experimental method, Mode II
- 14:40-15:00 NUMERICAL METHODS FOR TEMPERATURE CHARACTERISATION OF CFRP INTERFACE BEHAVIOUR USING CURRENT INSERTION TESTS (ID 122)
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11DMAS, ONERA, Université Paris Saclay, 29 Avenue de la Division Leclerc, 92320 Châtillon, France
2DPMM, Institut P’ – ISAE-ENSMA, Téléport 2, 1 Avenue Clément Ader, 86360 Futuroscope Chasseneuil Cedex, FranceKeywords: Polymer composites, Delamination, Viscous interface behaviour, Temperature analysis
- 15:00-15:20 AN EFFICIENT METHOD TO OBTAIN THE COHESIVE LAWS OF BONDED JOINTS IN MODE I AND MODE II FRACTURE TESTS (ID 124)
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1AMADE, Polytechnic School, University of Girona, Campus Montilivi s/n, 17071 Girona, Spain
2Structural Engineering Dept., Faculty of Engineering, Zagazig University, P.O. Box 44519, Zagazig, Sharkia, Egypt
3Serra Húnter Fellow, Generalitat de Catalunya, SpainKeywords: Cohesive law, Mode I, Mode II, DCB, ENF, ELS, Bonded joints
Coffee Break
15:20-15:50
Oral session "Delaminations ‐ 2" chaired by J. Costa and D. Mollenhauer
15:50-17:30
- 15:50-16:10 INVESTIGATION ON MODE I CRACK PROPAGATION AND MORPHOLOGY OF ANTISYMMETRIC CFRP LAMINATES (ID 123)
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1Laboratory of Applied Mechanics and Reliability Analysis (LMAF-STI), Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland
Keywords: Fiber bridging, Crack migration, Mode I, Laminated composites
- 16:10-16:30 GROWTH DRIVING DIRECTION CRITERION AND ITS APPLICATIONS FOR DELAMINATIONS WITH LARGE-SCALE DAMAGE PROCESS ZONES (ID 126)
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11Department of Materials and Production, Aalborg University, Fibigerstraede, 16, 9220 Aalborg, Denmark
2AMADE, University of Girona, C. Universitat de Girona, 4, 17003 Girona, Spain
3Serra Húnter Fellow, Generalitat de Catalunya, SpainKeywords: delamination crack propagation, large-scale fracture process zones, 3D delamination analysis, cohesive zone modeling, growth driving direction
- 16:30-16:50 ANALYSIS OF FATIGUE-DRIVEN DELAMINATION UNDER GENERAL LOADING (ID 108)
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1Department of Materials and Production, Aalborg University, Fibigerstraede, 16, 9220 Aalborg, Denmark
2AMADE, University of Girona, C. Universitat de Girona, 4, 17003 Girona, Spain
3Serra Húnter Fellow, Generalitat de Catalunya, SpainKeywords: delamination crack propagation, interlaminar fatigue damage, 3D damage analysis, cohesive zone modelling, benchmark testing
- 16:50-17:10 GEOMETRICALLY NONLINEAR REGULARIZED EXTENDED FINITE ELEMENT ANALYSIS OF BUCKLING OF COMPOSITES (ID 128)
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1Institute for Predictive Performance Methodology, University of Texas at Arlington, Fort Worth, TX, U.S.
2Department of Mechanical and Aerospace Engineering, University of Texas at Arlington, Arlington, TX, U.S.
33Composites Branch, AFRL/RX, Wright Patterson AFB, U.S.Keywords: Polymer composites, Delamination, Buckling, r-Extended Finite elements
- 17:10-17:30 MODE II FRACTURE ANALYSIS OF ANTISYMMETRIC LAMINATES BASED ON THE 4ENF SETUP AND J-INTEGRAL (ID 152)
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1Laboratory of Applied Mechanics and Reliability Analysis (LMAF-STI), Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland
Keywords: Mode II, J-integral, Crack migration, Laminated composites, Numerical analysis