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CompTest 2021
10th International Conference on
Composite Testing and Model Identification.
18-20 May 2021
Conference Program
Website: https://events.amac-composites.org/comptest2021
e-mail: comptest2021@onera.fr
CHAIRS CO-CHAIRS SPONSORS
SCIENTIFIC COMMITTEE Nadia Bahlouli, ICUBE, France Christophe Bouvet, ISAE, France Pedro Camanho, University of Porto, Portugal Josep Costa, University of Girona, Spain Carlos Davila, NASA Langley Research Center, USA Peter Davies, IFREMER, Marine Structures Laboratory, France Martin Fagertörm, University of Chalmers, Sweden Bodo Fiedler, TUHH, Hamburg Carlos Gonzalez, IMDEA, Spain Stephen Hallett, University of Bristol, UK Endel Iarve, University of Texas at Arlington, USA Vassilis Kostopoulos, University of Patras, Greece Stepan Lomov, KU Leuven, Belgium Véronique Michaud, EPFL, Swizerland Frans van der Meer, Delft University of Technology, Netherlands David Mollenhauer, AFRL, USA Robin Olsson, RISE SICOMP, Sweden Silvestre Pinho, Imperial College London, UK Soraia Pimenta, Imperial College London, UK Marino Quaresimin, University of Padova, Italy Bent Sørensen, The Technical University of Denmark, Denmark Alain Thionnet, University of Bourgogne, France Ole Thomsen, University of Bristol, UK Albert Turón, University of Girona, Spain Janis Varna, University of Luleå, Sweden
KEYNOTE SPEAKERS
"Thin-ply composites : pushing the boundaries of design and
performance of aerospace composite structures"
Joël Cugnoni's field of research focuses on the mechanics of composite
materials which includes fibre reinforced composites, metal matrix
composites and alloys, heterogeneous, multiscale structured materials and
biomaterials among others. His main research interest aims to understand
the relationship between the hierarchical structure of composite &
heterogeneous materials and their properties to highlight new ways to
design the next generation of multifunctional composite materials.
"Characterization of the translaminar fracture of
composite laminates and its role on structural strength"
Pere Maimi is Associate Professor in the Department of
Mechanical Engineering and Industrial Construction at the
University of Girona and director of AMADE-UdG research
group. His research is in the field of numerical modelling and
experimental characterization of failure of composite materials.
"Validation of simulations on complex composite materials
through the use of advanced experimental methodologies"
Julien Schneider is an Expert in the mechanics of 3D-reinforced
composites, and head of Mechanical & Process roadmaps
simulations for the Industrial Centre of Excellence (CEI) for woven
parts for Safran Aircraft Engines, within Safran group. His areas of
research are related to multi-scale simulation and the experimental
measurement technics associated with those scales (meso/macro).
SCIENTIFIC TOPICS
CompTest is a series of conferences which brings together academics and industrial communities
working on modelling and characterization of composite materials and structures. The main topics of
CompTest within testing and model identification for structural fibre-reinforced composites are:
Model development and validation
Advanced experimental techniques
Simulation of structural composites
This series of conferences has been inspired by European Conferences on Composite Testing and
Standardization (CTS). After the CTS series, a conference with a similar emphasis on composites
testing (CompTest) was organized in Châlons-en-Champagne, France in January 2003. The scope of
the conference was further expanded to model identification. The last four CompTest conferences
have been held in Aalborg (Denmark, 2013), Madrid (Spain, 2015), Leuven (Belgium, 2017) and
Luleå (Sweden, 2019).
The 10 international Conference on Composite Testing and Model Identification, CompTest –
th
2021, will be hosted by Onera, the French Aerospace lab, on 18-20th May 2021 at a full online
conference.
TIMELINE
PLANNING OF THE CONFERENCE General information 3 keynotes 51 oral presentations 27 posters
1st DAY: 18th MAY 2021
8h30 8h50 Welcome Ceremony
8h30 8h35 Opening speech
F. Laurin, J. Berthe, J.-M. Roche
8h35 8h50 Welcome Speech
Bruno Sainjon (CEO ONERA)
8h50 10h10 1st Session: Enhanced composite materials N°
Safe adhesive bonding by design: how introducing crack-arrest features in 2
8h50 9h10
bolt-free bonding by substrate and/or adhesive texturing
G. Lubineau, R. Tao , A. Yudhanto, X. Li
Interlaminar fracture toughness of inkjet printed multifonctional thin-ply 20
9h10 9h30
composites
B. Giuntoli, R. Chandran, G. Balestra, J. Cugnoni
9h30 9h50 Bioinspired adhesive joint with enhanced mode II fracture toughness 11
A. Wagih and G. Lubineau
9h50 10h10 Crack migration into surface 0° plies in composite joints 47
M. R. Wisnom, A. Paul, T. Shimizu, X. Xu
10h10 10h40 Virtual Coffee Break and Networking
10h40 12h40 2nd Session: Failure of composite materials N°
10h40 11H00 The response of hybrid glass/carbon fibre composites in static indentation 8
X. Wu, M.R. Wisnom
The catastrophic avalanche of fibre breaks in an impregnated fibre bundle
11h00 11H20 16
model
S.V. Lomov, C. Breite, A. Melnikov, F. Mesquita, Y. Swolfs , S.G. Abaimov
Stable pseudo-ductility of unidirectional all-carbon fibre hybrid laminates
11H20 11h40 6
with prepregs of conventional thickness
S. B. Sapozhnikov, S. V. Lomov, Y. Swolfs
11H40 12h00 Development of simple multi-directional pseudo-ductile hybrid composites 81
G. Czél
Tensile failure of unidirectional interlayer fibre-hybrid composites and how
12h00 12h20 32
it is affected by fibre breaks
F. Mesquita, L. Gorbatikh, S.V. Lomov, Y. Swolfs
Damage development prior to failure in impregnated fiber-bundle model:
12h20 12h40 18
correlative behavior in space and time
S. G. Abaimov, C. Breite, A. Melnikov, F. Mesquita, Y. Swolfs, S. V. Lomov
12h40 13h40 Lunch Break
13h40 15h20 3rd session: Fatigue of composite materials N°
Damage evolution in cross-ply laminates under tension-compression and
13h40 14h00 39
compression-compression cyclic loadings
P. A. Carraro, L. Maragoni, M. Quaresimin
Analysis of the damage evolution in cross-ply laminates under two-block
14h00 14h20 43
fatigue loadings
M. Simonetto, P. A. Carraro, L. Maragoni, M. Quaresimin
Study of the generation and evolution of damage in NCF laminates
14h20 14h40 55
subjected to thermal cycling
I. Lizarralde, E. Sapountzi, F. Sket, C. González
Effect of manufacturing-induced voids on the fatigue behaviour of infused
14h40 15h00 41
and autoclave-moulded glass/epoxy laminates
L. Maragoni, P. A. Carraro, M. Quaresimin
15h00 15h20 Predicting skin/stiffener separation under quasi-static and cyclic loads 50
C. G. Dávila, W. M. Johnston, C. A. Rose
15h20 15h50 Virtual Coffee Break + Networking
15h50 16h30 Keynote lecture Day 1
Thin-ply composites: pushing the boundaries of design and performance of
15h50 16h30
aerospace composite structures
J. Cugnoni
16h30 18h10 4th session: X-ray tomography analysis N°
Micro-CT images of composite materials: quality enhancement by super-
16h30 16h50 85
resolution and inpainting
R. Karamov, S. V. Lomov, I. Sergeichev, Y. Swolfs , I. Akhatov
AI based feature quantification in X-ray computed tomography : Datasets
16h50 17h10 72
of continuous fiber reinforced composites
C. P. Przybyla, M. Hirsekorn, F. Laurin
Imaging and modeling of flexure induced through-thickness fracture in
17h10 17h30 26
tape laminate composites
M. Czabaj, D. Mollenhauer
Harnessing shape optimization techniques to develop novel methods to
17h30 17h50 35
determine shear properties in PMCs
M. Flores, L. Geise, D. Seifert, A. Abbott
Adaptive approach for segmentation of μ-CT images in the case of partially
17h50 18h10 28
impregnated weft-knitted commingled yarn composites
A. Ayadi, C. Hae Park
19h00 20h00 Welcome Drink 2.0
2nd DAY: 19th MAY 2021
8h50 10h10 1st Session: Complex loading states N°
From small coupons to mid-scale impacted specimens, how to predict
8h50 9h10 3
laminate failure?
J. Serra, A. Trellu, G. Pichon, C. Bouvet, S. Rivallant, B. Castanié,
L. Ratsifandrihana
9h10 9h30 High-fidelity multiaxial testing of a wind blade substructure 69
J. S. Callaghan, D. Crump, A. Nielsen, O. T. Thomsen, J. M. Dulieu-Barton
The influence of combined through-thickness compression and shear on
9h30 9h50 84
longitudinal tensile strength
K. Gruebler, M. R. Wisnom, S. R. Hallett
9h50 10h10 Strength limitation of discontinuous ply composite tubes 23
A. Mordasini, B. Giuntoli, X. Lepercq, J. Cugnoni, V. Michaud
10h10 10h40 Virtual Coffee Break and Networking
10h40 12h40 2nd Session: Loading rate dependency N°
Identification of composite moduli using digital image correlation in the
10h40 11H00 74
image-based inertial impact (IBII) test
S. L. Parry, L. C. Fletcher and F. E. Pierron
Dynamic testing of a unidirectional NCF composite – a comparison of test
11h00 11H20 27
methods
R. Olsson, G. Lampeas, B. Ravindran, F. Izerhab
Strain rate effect of mode II fracture toughness of a carbon/peek
11H20 11h40 45
composite
C. Bouvet, J. Serra and P. Garcia Perez
Development of a new dynamic testing method for mode-i interlaminar
11H40 12h00 25
fracture toughness under high loading rates
S. A. Medina, E. V. González, N. Blanco, P. Hahn, and M. May
12h00 12h20 The off-axis ibus test for composites 21
X. Régal and F. Pierron
Elementary flax fibres tensile tests: from quasi-static behavior to strain-
12h20 12h40 31
rate dependant model
M. Lefebvre, D. Lam, N. Bahlouli, M. Vedrines, R. Kiefer
12h40 13h40 Lunch Break
Poster session
13h40 14h00 Poster session #1: Impact and dynamical loadings N°
Towards a normative protocol for dynamic shear tests on [±45°] CMO
13H40 14H00 5
specimens: geometry validation
J. Berton, F. Coussa, J. Berthe, E. Deletombe, M. Brieu
Evaluation of post-impact residual compression properties of stiffened
13H40 14H00 57
composite panels using multi-instrumented tests
J.-M. Garcia , E. Borakiewicz, P. Paulmier, F. Laurin
Effect of loading rate on mode II interlaminar fracture toughness of a snap-
13H40 14H00 61
cure epoxy non-crimp fabric composite
K. Rouf, M. J. Worswick, J. Montesano
Simulation tools for a digital-twin-assisted damage diagnosis focusing on
13H40 14H00 62
the sandwich-structured composite response against to bird strike
V. Kostopoulos, A. Kotzakolios, E. Giannaros
14h00 14h20 Poster session #2: Micromechanical experimental and numerical studies N°
Single natural fique fibre tensile test: compliance theory versus direct
14H00 14H20 46
strain measurement
B. Casares, M. Jalalvand, James Kelly
14H00 14H20 In situ stress intensity factor of an embedded fiber 64
M. Barzegar, C. Gonzalez, J.M. Guerrero, D. Trias, J. Costa
Influence of the interfacial shear strength on the structural integrity of a
14H00 14H20 76
thermoplastic CF/PEEK composite
S. A. Toro, Á. Ridruejo, C. D. González
Characterization of fiber Bragg grating response bonded to a composite
14H00 14H20 77
laminate according to thermomechanical loading in DMA
M. Asselin, M. Péron, P. Casari
14h20 14h40 Poster session #3: Multiphysical and Multifunctional aspects N°
Embedded co-cured electrodes to achieve robust electrical contact in
14H20 14H40 7
carbon fibre composites
S. Abdul Malik, M. Jalalvand
14H20 14H40 The preforming defects of woven reinforcement triggered by the geometry 10
R. Azzouz, S. Allaoui, R. Moulart
Predicting the strength of composite stiffened structure that is repaired
14H20 14H40 51
with circular and elliptical patches
S. Psarras, G. Sotiriadis, T. Loutas, V. Kostopoulos14h20 14h40 Poster session #3: Multiphysical and Multifunctional aspects N°
Determining the source of the thermoelastic response of laminated FRP
14H20 14H40 70
composite materials using DIC
I. Jiménez-Fortunato, D. J. Bull, O. T. Thomsen, J. M. Dulieu-Barton
Moisture effects on monitoring GFRP-balsa sandwich structure by Acoustic
14H20 14H40 73
emission
Y. Wu, M. Perrin, M.-L. Pastor, P. Casari, X. Gong
14h40 15h00 Poster session #4: Tests and Structures design N°
Composites structural design applied to mast for finn dinghy boat used in
14H40 15H00 13
the olympic games
P.Y. Mechin, F. Luquet and A. Kara
Determination of ply elasticity and strength through a uniaxial loading
14H40 15H00 17
tests on a laminate
T. A. Kuzmina, A. I. Oleinikov
Effective behavior of architected materials: A testing machine for
14H40 15H00 78
experimental homogenization
M. Wangermez, M. Poncelet and N. Auffray
Design of and in-situ 4-points bending device and test results on L-shape
14H40 15H00 79
oxide/oxide composite structure
S. Denneulin, A. Vanacker, O. Caty, L. Turpin
15h00 15h20 Poster session #5: Fatigue and Ageing issues N°
15H00 15H20 Analysis of the fatigue delamination growth in glass/epoxy laminates 40
P. A. Carraro, L. Maragoni, M. Simonetto, M. Quaresimin
Analysis of the fatigue damage evolution in plain and twill glass/epoxy
15H00 15H20 42
woven fabrics
F. Lamon, L. Maragoni, P. A. Carraro, M. Quaresimin
On the study of coupled creep test of composite material used in a marine
15H00 15H20 54
environment
Q. Dezulier, P. Davies, A. Clement, F. Jacquemin, M. Arhant, B. Flageul,
P. Casari
15H00 15H20 Prediction of the R-curve effect on mode-I fatigue delamination 59
A. A Mitrou, C. G. Dávila, V. Kostopoulos
Characterization of the vibration behavior of aged bio-based composite
15H00 15H20 68
flax/pla
Z. Kesentini, A. El Mahi, J.-L. Rebiere, M. Beyaoui, M. Haddar15h20 15h40 Poster session #6: Open-hole, Bearing and Joint cases N°
Bearing strength and failure mechanism of hybrid thin/thick-ply composite
15H20 15H40 34
laminates
D. Prasad H S, M. Bergwall, M. Loukil, F. Moreau, M. Segersäll, Z. Kapidzic
Evaluation of a damage model to predict open-hole tensile strength of
15H20 15H40 37
laminated composite
J. Germain, J. Rannou, P. Paulmier, F. Laurin, F. Congourdeau
On the reliable prediction of single lap joint strength using a multilinear
15H20 15H40 38
cohesive zone model
S. Abdel-Monsef, J. Ninyerola, A. Sasikumar, A. Turon
Validation of a non local fracture criterion for compression loading: from
15H20 15H40 80
open hole specimens to industrial ones
L. Ballere, C. Huchette
15h40 16h10 Virtual Coffee Break + Networking
16h10 16h50 Keynote lecture Day 2
Characterization of the translaminar fracture of composite Laminates and
16h10 16h50
its role on structural strength
P. Maimi
16h50 18h30 3rd session: Fracture toughness characterization N°
Failure prediction of injection-moulded short-fibre composite components
16h50 17h10 12
using cohesive zone modelling
Y. Fujita, S. Noda, J. Takahashi, E. S. Greenhalgh, S. Pimenta
Measurement of GIC of carbon-fiber composites as a function of fiber
17h10 17h30 14
architecture
B. C. Liu, D. J. Rapking, O. Shor, D. Mollenhauer
Optimization of thin-ply fiber-hybrid composite translaminar toughness
17h30 17h50 44
through ply-by-ply hybridization
G. Broggi, J. Cugnoni, V. Michaud
Effects of ply thickness and architecture on the strength of composite sub-
17h50 18h10 52
structures
C. Furtado, R. Tavares, A. Arteiro, J. Xavier, P. Linde, B. L. Wardle,
P. P. Camanho
The translaminar fracture toughness of annealed stainless steel fibre
18h10 18h30 22
composites
Y. Geboes, S. Lomov, L. Gorbatikh, Y. Swolfs3rd DAY: 20th MAY 2021
8h30 9H30 1st Session: Transverse cracking characterisation and modelling N°
Characterization and statistical modelling of transverse cracking in carbon
8h30 8h50 33
fiber polymer composite at elevated temperature
V. Richards Pakkam Gabriel, P. Fernberg, J. Varna
Cracking pattern in composite cross-ply laminates through the variational
8h50 9h10 75
approach to fracture
Z. Karoui, C.Maurini, J. Berthe
Effect of variable amplitude fatigue loading on intralaminar crack initiation
9h10 9h30 9
and propagation in multidirectional GFRP laminate
J. J. Bender, B. L. V. Bak, S. M. Jensen, E. Lindgaard
9h30 10h30 2nd Session: Fatigue of composite materials - 2 N°
Effect of aging and repair on the fatigue crack growth properties of
9h30 9H50 60
thermoplastic composites
M. Arhant, E. Lolive, T. Bonnemains, P. Davies
Characterization of delamination onset and propagation under fatigue
9H50 10h10 58
loading of AS4d/PEKK-FC thermoplastic composites
J. Renart, B. H.A.H. Tijs, A. Turon
Fatigue-driven delamination growth – variable amplitude loading and G-
10H10 10h30 19
controlled cyclic testing of GFRP laminates
S. M. Jensen, B. L.V. Bak, J. J. Bender, L. Carreras, E. Lindgaard
10h30 11h00 Virtual Coffee Break and Networking
11h00 12h40 3rd Session: Enhanced composite materials - 2 N°
Thin-ply composites: pushing the boundaries of design and performance of
11h00 11h20
aerospace composite structures –final version
J. Cugnoni
3D printing and post-processing of dispersed continuous fibre composite
11h20 11h40 63
for automotive applications
C. Pascual-González, J. García-Moreno, D. Garoz, J. P. Fernández-Blázquez
Toughening and healing of CFRPs by electrospun diels-alder base polymers
11h40 12h00 49
modified with carbon nano-fillers.
A. Kotrotsos, A. Geitona, S. Psarras, C. Rouvalis and V. Kostopoulos
Tensile response of automated fibre placement (AFP) coupons including
12h00 12h20 15
gaps and overlaps: experiments vs. simulations
S. García-Rodríguez, A. Chiappini, C. Huchette, S. Miot, C. Fagiano, L.
Barrière
Optimizing engineered micro-structures fracture properties : For CFRP
12h20 12h40 83
crack path design
V. Médeau, L. Mencatelli, S. Pimenta, E. Greenhalgh, P. Robinson, S. T.
Pinho, J. Finlayson12h40 13h40 Lunch Break
13h40 15h20 4th session: Impact on composite materials N°
Development of tests to investigate impact behavior of marine composites
13h40 14h00 53
for propellers
A. Robin, M.J. Donough, P. Davies, M. Arhant, G. Prusty, B. Habert, N. St
John, A. Phillips
A novel analytical model for ply-by-ply design of impact resistant
14h00 14h20 82
multidirectional CFRP-based hybrid composites
L. Mencatelli, S. T. Pinho, V. Médeau, S. Pimenta, E. Greenhalgh, P.
Robinson, J. Finlayson
Numerical modelling of low-velocity-impact and compression-after-impact
14h20 14h40 65
of cfrp at elevated temperatures
J. Körbelin, N. Junge, M. Skrzypczak, B. Fiedler
Experimental and numerical study of damages induced by low velocity
14h40 15h00 66
impact on 4th generation composite laminates
S. Chaibi, C. Bouvet, F. Laurin, J. Rannou, J. Berthe, F. Congourdeau
Compression strenght after impact prediction based on approximate
15h00 15h20 56
damage distributions
K. Hoos, D.Mollenhauer, M. Flores, E.V.Iarve
15h20 15h50 Virtual Coffee Break + Networking
15h50 16h30 Keynote Lecture Day 3
Validation of simulations on complex composite materials through the use
15h50 16h30
of advanced experimental methodologies
J. Schneider
16h30 16h50 5th session: Design of laminated composites N°
16h30 16h50 Double-double: simpler, better laminates for composites 48
S. W Tsai, T. N. Massard
16h50 17h15 Awards and closure session
16h50 17h05 Awards for best student and best poster
Winners
17h05 17H15 Closing speech
F. Laurin, J. Berthe, J.-M. RocheCompTest 2021
10th International Conference on
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