| [1] |   | Graph Neural Network Based Surrogate Model of Physics Simulations for Geometry Design, Jian Cheng Wong, Chin Chun Ooi, Joyjit Chattoraj, Lucas Lestandi, Guoying Dong, Umesh Kizhakkinan, David William Rosen, Mark Hyunpong Jhon, My Ha Dao, Proceedings of the 2022 IEEE Symposium Series on Computational Intelligence Ssci 2022, pp. 1469-1475, ISBN:[9781665487689], IEEE (2022), doi:10.1109/SSCI51031.2022.10022022
| Computational Intelligence (CI) techniques have shown great potential as a surrogate model of expensive physics simulation, with demonstrated ability to make fast predictions, albeit at the expense of accuracy in some cases. For many scientific and engineering problems involving geometrical design, it is desirable for the surrogate models to precisely describe the change in geometry and predict th...
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| [2] |    | Robust Tracking for the Diffusion Equation using Sliding-Mode Boundary Control, Diego Gutierrez-Oribio, Yury Orlov, Ioannis Stefanou, Franck Plestan, Proceedings of the IEEE Conference on Decision and Control, Vol. 2022-December, pp. 6076-6081, ISBN:[9781665467612], IEEE (2022), doi:10.1109/CDC51059.2022.9992664
| Robust output tracking is addressed in this paper for a diffusion equation with Neumann boundary conditions and anti collocated boundary input and output. The desired reference tracking is solved using the well known flatness and Lyapunov approaches. The reference profile is obtained by solving the motion planning problem for the nominal plant. To robustify the closed loop system in the presence o...
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| [3] | | Advances in Sliding Mode Control of Earthquakes via Boundary Tracking of Wave and Diffusion PDEs, Diego Gutierrez-Oribio, Yury Orlov, Ioannis Stefanou, Franck Plestan, Proceedings of IEEE International Workshop on Variable Structure Systems, Vol. 2022-September, pp. 231-236, ISBN:[9781665463591], IEEE (2022), doi:10.1109/VSS57184.2022.9902111
| Two recent results on earthquake control are summarized. A simplified model of an earthquake phenomenon is addressed by means of a cascade system of a 1D wave equation, representing the fault slip and wave propagation, and a 1D diffusion equation, representing the actuator dynamics as a diffusion process. In order to avoid a fast slip (earthquake like behaviour), the control is designed to follow ...
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| [4] | | A SEMI-ANALYTICAL METHODOLOGY TO ASSESS THE DYNAMIC ELASTIC RESPONSE OF A MONOPILE OFFSHORE WIND TURBINE SUBJECTED TO LOW-ENERGY SHIP IMPACTS, Icaro Ladeira, Herve Le Sourne, Jonathan Moran, Priscilla Salazar, Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering OMAE, Vol. 2, ISBN:[9780791885864], American Society of Mechanical Engineers (2022), doi:10.1115/OMAE2022-79672
| Low energy impacts between ships and offshore wind turbines (OWT) can occur during maintenance operations, when service vessels need to approach the turbine at low speeds. While this type of accident might not result in significant permanent damage of the tower or the foundation, the whipping elastic response of the overall structure can induce high accelerations at the rotor nacelle assembly (RNA...
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| [5] | | Tracking for a Wave Equation Using Homogeneous Boundary Control, Diego Gutierrez-Oribio, Yury Orlov, Ioannis Stefanou, Franck Plestan, 2022 European Control Conference Ecc 2022, pp. 963-968, ISBN:[9783907144077], IEEE (2022), doi:10.23919/ECC55457.2022.9838048
| In this paper, a wave equation with control input in one of its boundaries is considered. Using a Lyapunov approach, the control is designed as a homogeneous algorithm to drive the states to a vicinity of a reference signal, achieving exponential Input to State Stability of the closed loop system. This homogeneity based tracking control strategy is evaluated in a simplified earthquake model, allow...
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| [6] | | HYDRODYNAMIC EFFECTS OF SURFACE ROUGHNESS ON CYLINDERS: LITERATURE REVIEW AND RESEARCH GAPS, Maduka Maduka, Katherine Coughlan, Sanjay Arwade, Franck Schoefs, Alison Bates, Krish Thiagarajan, Proceedings of the ASME 2022 4th International Offshore Wind Technical Conference Iowtc2022, ISBN:[9780791886618], American Society of Mechanical Engineers (2022), doi:10.1115/IOWTC2022-98886
| In recent years, several studies have been performed to assess the damages caused by marine biofouling. Marine biofouling (or marine growth) generally refers to the settlement and growth of unwanted aquatic organisms on human made structures situated in marine and estuarine environments. Regarding the continued demonstration of energy resource potential and a promising area of research by offshore...
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| [7] | | Summer Passive Strategies Assessment Based on Calibrated Building Model Using on Site Measurement Data, Obaidullah Yaqubi, Auline Rodler, Sihem Guernouti, Marjorie Musy, Building Simulation Conference Proceedings, pp. 1228-1235, ISBN:[9781775052029], KU Leuven (2022), doi:10.26868/25222708.2021.30226
| Existing state of the art often view passive strategies as a mean for energy efficiency, while their effect on summer thermal comfort in temperate climatic conditions has been given lesser attention. Assessing these strategies require practitioners to provide the right combination of tools; proper measurement indices; and perform simulations as close as possible to real life circumstances. This pa...
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| [8] | | Robust Stabilization of Furuta's pendulum based on Continuous High Order Sliding Mode Controllers, J. Antonio Ortega, Diego Gutierrez-Oribio, Leonid Fridman, Jaime A. Moreno, Proceedings of the IEEE Conference on Decision and Control, Vol. 2022-December, pp. 525-530, ISBN:[9781665467612], IEEE (2022), doi:10.1109/CDC51059.2022.9992652
| In this manuscript a robust stabilization controller for the Furuta's pendulum in presence of parametric uncertainties is proposed. We used a normal form transformation and partial feedback linearisation to tackle the problem with a cascade system approach, then a continuous sliding mode algorithm stabilize the cascade system. A closed loop stability analysis is presented to proof asymptotic stabi...
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| [9] | | Mechanical characterization of a piezoelectric sensor for podiatrist applications, Adrar Samia, El Gibari Mohammed, Menard Yoen, Tomas Jean-Christophe, Seveno Raynald, Syscon 2022 16th Annual IEEE International Systems Conference Proceedings, ISBN:[9781665439923], IEEE (2022), doi:10.1109/SysCon53536.2022.9773897
| The analysis of plantar pressures is an integral part of the series examinations carried out by the podiatrist, it allows him to visualize the distribution of the points of support and the movements of the foot during the different phases of walking. The system used for the analysis is a podiatry treadmill composed by piezoelectric sensors which react to the applied pressure. The recorded data wil...
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| [10] | | RAPID ASSESSMENT OF SHIP BOTTOM GROUNDING DAMAGE CONSIDERING COMBINED SURGE AND HEAVE MOTION, Jean Philippe Pineau, Herve Le Sourne, Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering OMAE, Vol. 2, ISBN:[9780791885864], American Society of Mechanical Engineers (2022), doi:10.1115/OMAE2022-80209
| In most of the available literature in grounding analysis, the ship is supposed to run aground over a rock following a prescribed horizontal trajectory. However, in situations where the vessel is navigating in presence of waves, its oscillating heave motion sometimes leads to multiple breaches in the bottom plating, as observed in some real grounding events [1]. Recent numerical studies [2] showed...
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| [11] | | CHARACTERIZATION AND MODELING OF THE IMPREGNATION PROCESS OF ELECTRIC ENGINES' ROTORS WITH A REACTIVE THERMOSETTING RESIN, Amelie Moisya, Sebastien Comas-Cardona, Nicolas Desilles, Pascal Genevee, Jere Kolehmainen, Eccm 2022 Proceedings of the 20th European Conference on Composite Materials Composites Meet Sustainability, Vol. 4, pp. 411-418, ISBN:[9782970161400] (2022)
| In the mobility electrification context, the Renault Group assembles its own electric engines. The rotor is the mobile part of the motor, mainly composed of a steel core wound by insulated copper wires. Then the winding is immersed into a liquid acrylate based thermosetting resin bath which role is to ensure the performance and durability of the motor. The impregnation occurs under controlled temp...
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| [12] | | FIRST INSIGHTS FROM THE VIRTUAL PERMEABILITY BENCHMARK ON A FIBROUS MICROSTRUCTURE, Tim Schmidt, Elena Syerko, David May, Christophe Binetruy, Luisa Silva, Stepan V. Lomov, Suresh G. Advani, Eccm 2022 Proceedings of the 20th European Conference on Composite Materials Composites Meet Sustainability, Vol. 3, pp. 741-748, ISBN:[9782970161400] (2022)
| Permeability is a key parameter to predict the impregnation of fibrous structures by resin. Numerical permeability prediction (NPP) is becoming more and more important, but the number of influencing parameters for NPP is enormous and many seem to have a considerable impact. The Virtual permeability benchmark was launched to get an overview of methods used by researchers and possible sources of var...
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| [13] | | Sensitivity Analysis of a Concrete Structure Subjected to Cyclic Loading Using a Polynomial Chaos Expansion Method, Henriette Marlaine Imounga, Emilio Bastidas-Arteaga, Serge Ekomy Ango, Rostand Moutou Pitti, Conference Proceedings of the Society for Experimental Mechanics Series, pp. 111-115, ISBN:[9783030867409], Springer International Publishing (2022), doi:10.1007/978-3-030-86741-6_18
| Cyclic loading is one of the main causes of degradation of reinforced concrete structures. The behavior of a reinforced concrete structure in fatigue can be represented by mechanical models, based on different theories (damage, fracture, plasticity ...), whose development requires knowledge of the characteristic parameters of the material and uncertainties associated. In this paper, we propose a p...
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| [14] | | A MULTI-SCALE MECHANICAL MODEL FOR HIGH FIBER CONTENT SMC IN COMPRESSION MOLDING, Francois Mahe, Christophe Binetruy, Suresh Advani, Julien Ferec, Benedikt Eck, Eccm 2022 Proceedings of the 20th European Conference on Composite Materials Composites Meet Sustainability, Vol. 2, pp. 264-270, ISBN:[9782970161400] (2022)
| High Performance SMC (HP SMC) materials have been recently developed with higher fiber volume fraction and long fiber length, where collimated filaments are assembled in the form of bundles. These denser SMC materials exhibit complex behaviors which are not predicted by the suspension theory, especially concerning bundle orientations. They also induces difficulties in compression molding, hence th...
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| [15] | | NUMERICAL MODELLING OF WELDED THERMOPLASTIC COMPOSITES INTERFACES BEHAVIOUR UNDER QUASI-STATIC AND DYNAMIC LOADING, Pauline Bourda, Patrick Rozycki, Mamadou Abdoul Mbacke, Eccm 2022 Proceedings of the 20th European Conference on Composite Materials Composites Meet Sustainability, Vol. 2, pp. 682-689, ISBN:[9782970161400] (2022)
| In the transport industry, the study of structures' crashworthiness is essential to ensure the safety of passengers. The increasing use of thermoplastic composites in this area induces design difficulties because of the materials' anisotropy, their strain rate dependency or novel joining methods such as welding. Joints need proper modelling as they constitute a structure's weakness. Despite many s...
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| [16] | | EFFICIENT SIMULATION OF DUAL-SCALE FLOW IN RTM PROCESSES BY DOMAIN SKELETONIZATION, S. Bancora, C. Binetruy, S. Advani, S. Comas-Cardona, A. Leygue, E. Syerko, Eccm 2022 Proceedings of the 20th European Conference on Composite Materials Composites Meet Sustainability, Vol. 4, pp. 468-473, ISBN:[9782970161400] (2022)
| In this work we present a novel Dual Scale Skeleton model (DSS) to simulate the mesoscopic dual scale flow inside a fibrous layup at an affordable computational cost. Instead of using a traditional Stokes Brinkman model to govern the flow inside and around the tows, the flow domain is separated into three interconnected subdomains. For each subdomain, the threedimensional mesoscale geometry of yar...
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| [17] | | ELABORATION OF HYBRID BIO-COMPOSITES WITH THERMOPLASTIC MATRIX: OPTIMAL FORMULATION AND MODELLING OF THE QUASI-STATIC BEHAVIOUR FOR AN AUTOMOTIVE STRUCTURAL APPLICATION PARTS, Wassim Guerfala, Patrick Rozycki, Christophe Binetruy, Eccm 2022 Proceedings of the 20th European Conference on Composite Materials Composites Meet Sustainability, Vol. 1, pp. 648-655, ISBN:[9782970161400] (2022)
| The environmental impact is becoming increasingly important in the automotive industry, pushing OEMs to reduce CO2 emissions through clean engines and structural weight reduction. Composite materials offer an excellent alternative to standard steels with considerable weight reduction. The main objective of this study is the application of bio composite materials in automotive structure. This study...
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| [18] | | MODELLING THE FORMING OF TAILORED FIBRE PLACEMENT PREFORMS ON A TETRAHEDRAL PUNCH, Simon Jessy, Hamila Nahiene, Binetruy Christophe, Comas Cardona Sebastien, Eccm 2022 Proceedings of the 20th European Conference on Composite Materials Composites Meet Sustainability, Vol. 4, pp. 702-709, ISBN:[9782970161400] (2022)
| The experimental and numerical forming of a Tailored Fibre Placement preform on a tetrahedral punch with orthotropic final orientation is addressed. The forming simulation is based on a finite element model where the fibre tows are modelled explicitly using beam elements. The stitching yarn, which is implicitly modelled, is supposed to act as a hinge connection between intersecting fibre tows of a...
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| [19] | | CHARACTERIZATION OF INTERLOCK 3D PERMEABILITY TENSOR FOR C-RTM PROCESS, Gabriela Gambarini, Boris Duchamp, Jerome Olhagaray, Marc Waris, Christophe Binetruy, Sebastien Comas-Cardona, Eccm 2022 Proceedings of the 20th European Conference on Composite Materials Composites Meet Sustainability, Vol. 1, pp. 1318-1325, ISBN:[9782970161400] (2022)
| The permeability characterization of the interlocks is crucial for the impregnation quality and its simulation. In this work, a continuous 3D permeability measurement technique [3] is used to measure the permeability evolution during compression of a saturated layer to layer interlock fabric. The in plane and transverse permeability can be extracted for a range of fiber volume fraction which serve...
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| [20] | | Generalized computational framework based on X-FEM for thin films in time-harmonic problems: formulation, validation and application, S. Wu, O. Dazel, G. Legrain, Proceedings of ISMA 2022 International Conference on Noise and Vibration Engineering and Usd 2022 International Conference on Uncertainty in Structural Dynamics, pp. 451-461, ISBN:[9789082893151] (2022)
| The current work presents a computational approach to simulate stationary dissipative acoustic problems involving thin porous layers. A generalized interface model derived from the plane wave Transfer Matrix Method (TMM) is established for modelling thin layers. We develop variationally consistent formulations to impose the interface conditions from models of thin layers for diverse coupling confi...
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| [21] | | TOWARDS A UNIFIED NUMERICAL MODELING OF FORMING AND CONSOLIDATION OF THERMOPLASTIC COMPOSITES WITH PREPREG PATCHES: A SHELL ELEMENT BASED APPROACH, Mulye Paris Dilip, Morancay Lionel, Binetruy Christophe, Comas Cardona Sebastien, Leygue Adrien, Eccm 2022 Proceedings of the 20th European Conference on Composite Materials Composites Meet Sustainability, Vol. 4, pp. 741-748, ISBN:[9782970161400] (2022)
| The "Quilted Stratum Process"(QSP®) shares several features with the standard composite thermostamping process. But at the same time there are some additional challenges in the physical process and its numerical modeling because of the usage of thermoplastic prepreg patches, inability to use a blank holder, possible long distance sliding of prepreg patches during forming and the transverse squeeze...
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| [22] | | Environmental impact assessment of thermo-stamping carbon fibres reinforced polyphenylene sulfide composite parts, ENVIRONMENTAL IMPACT ASSESSMENT OF THERMO-STAMPING CARBON FIBRES REINFORCED POLYPHENYLENE SULFIDE COMPOSITE PARTS, Vincent Lacoma, Jean Luc Bailleul, Sandy Moisan, Christophe Binetruy, Olivier Kerbrat, 20th European Conference on Composite Materials, ECCM20, Eccm 2022 Proceedings of the 20th European Conference on Composite Materials Composites Meet Sustainability, Vol. 6, pp. 339-346, ISBN:[9782970161400] (2022)
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| [23] | | New protocol for the durability assessment of offshore cement-based structures submitted to creep and seawater attack, Marinelle El-Khoury, Emmanuel Roziere, Frederic Grondin, Rachid Cor-Tas, Fadi Hage Chehade, Fib Symposium, pp. 385-392, ISBN:[9782940643172] (2022)
| The failure in offshore structures can cause catastrophic circum stances, as they are exposed to mechanical and chemical loadings. This study focuses on the importance of implementing inno vative protocol, combining experimental and numerical methods, in a durability study of cementi tious materials in marine environments. Hence, this work has focused on the risk analysis of offshore structures to...
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| [24] | | MULTISCALE SIMULATION OF DECONSOLIDATION IN THERMOPLASTIC COMPOSITE USING A LEVEL FINITE ELEMENT APPROACH, Le Gohebel Lorys, Silva Luisa, Le Corre Steven, Digonnet Hugues, Nguyen Tuan-Linh, Colliou Stephanie, Eccm 2022 Proceedings of the 20th European Conference on Composite Materials Composites Meet Sustainability, Vol. 4, pp. 606-613, ISBN:[9782970161400] (2022)
| During the forming processes of thermoplastic composites, deconsolidation phenomenon can occur, particularly in the heating phase [1]. This phenomenon can be observed by the appearance and growing of porosities [2]. These phenomena are due to the thermal or mechanical stresses generated by forming conditions. To better understand these phenomena, this work therefore aims to develop advanced simula...
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| [25] |  | The x-mesh method applied to multiphase flows, A. Quiriny, J. F. Remacle, J. Lambrechts, N. Moes, World Congress in Computational Mechanics and Eccomas Congress, CIMNE (2022), doi:10.23967/eccomas.2022.272
| The accurate modeling of moving boundaries and interfaces is a difficulty present in many situations in computational mechanics. In this paper we use a new approach, X Mesh, to simulate with the finite element method the interaction between two immiscible fluids while keeping an accurate description of the interface without mesh regeneration. The method is validated with complex problems such as R...
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| [26] |  | Natural frequencies estimation of a monopile supported DTU-10 MW Offshore Wind Turbine, Philip Alkhoury, Abdul-Hamid Soubra, Valentine Rey, Mourad Ait-Ahmed, 4th International Symposium on Frontiers in Offshore Geotechnics (2022)
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| [27] | | In-situ 3D study of fatigue crack growth with overload effects in AlSi alloy, 3D in-situ study of fatigue crack growth with overload effects in an AlSi alloy, Lucas Sanciet--Munier, Nathalie Limodin, Jean-Yves Buffiere, Jean-Francois Witz, Michel Coret, Ghita Filali, Yves Gaillard, Michel Fleuriot, Arnaud Weck, Anne Bonnin, Goran Lovric, Joel Lachambre, 5th International Conference on Tomography of Materials and Structure - ICTMS2022, Congres Francais de Mecanique 2022 (2022)
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| [28] | | Evolution of the microstructure and shrinkage of recycled aggregates during accelerated carbonation, Farah Kaddah, Harifidy Ranaivomanana, Ouali Amiri, Emmanuel Roziere, Academic Journal of Civil Engineering, Vol. 40 (2022), doi:10.26168/ajce.40.1.4
| La carbonatation acceleree des granulats recycles (RCA) est envisagee pour ameliorer leurs proprietes. Plusieurs phenomenes physico chimiques et mecaniques se produisent durant la carbonatation dun mortier de ciment. Pour les etudier, des echantillons de mortier sont soumis a la carbonatation acceleree afin de suivre levolution de leur retrait en fonction du degre de carbonatation. Dans un premier...
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| [29] | | Une methodologie pour la realisation de pieces de grandes dimensions polymeres par fabrication additive, Matthieu Rauch, Olivier Authelin, Jean Yves Hascoet, Luiz Bier, Conference Manufacturing21 (2022)
| Additive manufacturing of polymers has benefitted from many advances in recent years. In the case of large parts, many functional demonstrators have been successfully proposed in the fields of transport, high level sports, etc. However, their production relies on expertise and know how that have not yet been formalized in their entirety. The work presented in this paper focuses on a methodology fo...
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| [30] | | Characterization of the mechanical response of elastomers using complex experiments: Simple ways to describe multiaxiality, Proceedings of the 12th European Conference on Constitutive Models for Rubber (ECCMR 2022), September 79, 2022, Milano, Italy, Lena Costecalde, Adrien Leygue, Michel Coret, Erwan Verron, Constitutive Models for Rubber XII: Proceedings of the 12th European Conference on Constitutive Models for Rubber, pp. 164-169, CRC Press (2022), doi:10.1201/9781003310266-27
| Characterization of material response remains a challenging task. From the simultaneous use of simple experiments to multiaxial characterization with Finite Element Method Updating (FEMU) or Virtual Fields Method (VFM), several methods have been explored through the years. Thus, the possibility to characterize a material using only one "rich" experiment has made its path. As an example, the use of...
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| [31] | | Prise en compte de l'historique de chargement pour l'estimation du dommage au sein d'une structure en acier sollicitee en fatigue, Clement Freyssinet, Valentine Rey, Franck Schoefs, Tanguy Moro, 25e Congres Francais de Mecanique, Nantes, 29 aout-2 septembre 2022 (2022)
| Pour les structures soumises a des chargements dorigine environnementale la fatigue polycyclique estlune des principales sources des defaillances dorigine mecanique, il est donc primordial de considererce phenomene. Pour ce faire et puisquil est montre que le cumul lineaire du dommage ne permettait pasde faire une prediction fine du dommage, la formulation dun cumul non lineaire semble alors etreu...
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| [32] | | Mecanique numerique pilotee par les donnees pour les comportements anelastiques, Heloise Dandin, Adrien Leygue, Laurent Stainier, 15eme colloque national en calcul des structures (2022)
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| [33] | | Prise en compte de l'adaptation mecanique de la cellule lors de l'enveloppement de nanoparticules, Sarah Iaquinta, Shahram Khazaie, Sylvain Freour, Frederic Jacquemin, 15eme colloque national en calcul des structures (2022)
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| [34] | | CAMCATT trial over Toulouse (France): a multisensory experiment to validate TRISHNA urban products, Xavier Briottet, Laure Roupioz, Romain Barda-Chatain, Auline Rodler, Sihem Guernouti, Marjorie Musy, Francoise Nerry, Aude Lemonsu, Laurent Poutier, Philippe Barillot, Philippe Deliot, Arnaud Cerbelaud, Ahmad Albitar, Jean-Louis Roujean, Jose Antonio Sobrino, Sebastien Gadal, Eric Carroll, Sebastien Bridier, Charlene Cassante, Delphine Barbon-Dubosc, Philippe Doublet, Amaury Guilhem de Lataillade, 6. International Symposium: Recent Advances in Quantitative Remote Sensing, pp. 114 (2022)
| An extensive field experiment, CAMCATT AI4GEO, was conducted over 15 days in June 2021 over Toulouse, to acquire an urban reference dataset combining airborne acquisitions and ground measurements. This presentation aims at introducing the objectives of the campaign and describing the collected data to validate the future TRISHNA products: bottom of atmosphere radiance, land surface temperature (LS...
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| [35] | | Analyse comparative de cartographies du tenseur complet des contraintes residuelles par diffraction des neutrons dans des alliages prepares par fusion laser sur lit de poudre., Baptiste Girault, David Gloaguen, Bruno Courant, Pierre-Antoine Dubos, Marie-Jose Moya, Maxime Limousin, Daniel Marcos, Saurabh Kabra, Winfried Kockelmann, J. Rebelo Kornmeier, Materiaux 2022 (2022)
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| [36] | | The eXtreme Mesh deformation approach (X-MESH) to follow contact fronts in a sharp manner, Benoit Le, Nicolas Moes, Nicolas Chevaugeon, Jean-Francois Remacle, 11th European Solid Mechanics Conference (ESMC2022) (2022)
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| [37] | | Assessment of the thermal effect of biofouling on the submarine dynamic cable of floating offshore wind turbines, Ziad Maksassi, Bertrand Garnier, Ahmed Ould El Moctar, Franck Schoefs, 5th International Conference on Renewable Energies Offshore (RENEW 2022) (2022)
| Floating offshore wind turbine (FOWT) plays a significant role in meeting emission targets over the next 20 years. The dynamic submarine electrical cable (DSEC) is a key component of FOWT. Its electric insulation system is intended to withstand a maximum conductor temperature of 90oC. However, biofouling growth, particularly mussel growth, can modify heat transfer around the cable and thus the max...
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| [38] | | Detection et surveillance des instabilites hydromecaniques dans les geomateriaux : digitation et deformations localisees, Rana Al Nemer, Giulio Sciarra, Julien Rethore, 25e Congres Francais de Mecanique (2022)
| Linfiltration du gaz dans un milieu poreux sature par un fluide mouillant est un enjeu pour plusieurs applications comme la sequestration du CO2, le sechage dun milieu initialement sature et le stockage souterrain des hydrocarbures. Une etude a lechelle de laboratoire a ete realisee pour etudier le rearrangement de la matrice granulaire suite a cette infiltration, en utilisant une nouvelle machine...
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| [39] | | CZM analysis of secondary debondings induced by wedge splitting testing of multi-layer specimens, Nathan Lemartinel, Armelle Chabot, Eshan Dave, Laurent Gornet, 25eme Congres Francais de Mecanique (CFM2022) (2022)
| In previous research efforts to study interfaces between asphalt pavement layers, the wedge splittingtest is used in order to characterize the fracture bond of interfaces between layers of pavement materialsthat are mainly made of bituminous concrete, the main structural component of pavements of thesestructures. Due to the large size of the specimens extracted from in situ test track sections, se...
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| [40] | | Impact du vieillissement en air sur les proprietes en traction et en fatigue dun polychloroprene charge, Hugo Madeira, Pierre-Yves Le Gac, Maelenn Le Gall, Erwan Verron, 25e Congres Francais de Mecanique (2022)
| Grace a sa grande deformabilite ainsi qua sa bonne duree de vie en fatigue, le polychloroprene (CR) estun materiau de choix pour les amortisseurs et les revetements de systemes EMR (1). Comme la duree devie de telles installations peut atteindre plus de vingt ans, il est crucial de predire leffet du vieillissementsur le comportement mecanique de cet elastomere. Lorsquil est expose au vieillissemen...
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| [41] | | 3D metrological shape measurements from X-ray radiographs, Lucie Calmettes, M.L.M. Francois, Julien Rethore, 25e Congres Francais de Mecanique, Nantes (2022)
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| [42] | | Machines a vecteurs supports pour la fiabilite : Exploitation des estimateurs d'erreur de discretisation pour la construction de classificateurs, Ludovic Mell, Valentine Rey, Franck Schoefs, 15eme colloque national en calcul des structures (2022)
| En fiabilite, les machines a vecteurs supports (SVM) sont utilisees pour separer domaine de surete et domaine de defaillance et ainsi classer une population de Monte Carlo en deux sous populations. Cela permet par la suite devaluer a moindre cout la probabilite de defaillance dun systeme par echantillonnage. La construction du classificateur SVM repose sur des observations : ici des appels a un co...
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| [43] | | Statistical properties of homogenized random polycrystals with uncertain single crystal elastic moduli, Ningyue Sheng, Shahram Khazaie, Mathilde Chevreuil, Sylvain Freour, 15eme colloque national en calcul des structures (2022)
| Effective properties of polycrystals are often estimated by taking into account solely the intrinsic variabilities in crystallographic orientations along with those of the morphological shapes of the grains. The variability on the single crystal elastic moduli is not considered. In this work, we calculated the analytical estimates for effective elastic moduli of numerically generated equiaxed cubi...
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| [44] | | Characterisation of the dynamic toughness of composite materials, Bastien Lammens, Gerald Portemont, Julien Berthe, Rian Seghir, Julien Rethore, CFM 2022 (2022)
| Nowdays, laminate materials are used on transport field and especially in aeronautic field. These materials can be subjected to high velocity impacts. These impacts can lead to delamination which is a mecanism that can lead to he ruin of the structure. The critical energy release rate or fracture toughness is a quantity which caracterises the inter laminar strength of these laminates. In this work...
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| [45] | | Toward the identification of a Cosserat effective continuum for quasi-periodic lattice materials, Audrey Somera, Martin Poncelet, Nicolas Auffray, Julien Rethore, International Conference on Nonlinear Solid Mechanics (ICoNSoM 2022) (2022)
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| [46] | | Essais complexes pour la caracterisation des materiaux : Comment decrire la multiaxialite ?, Lena Costecalde, Adrien Leygue, Michel Coret, Erwan Verron, 25e Congres Francais de Mecanique (2022)
| The major challenge of identifying material response has been historically related to simple deformation state experiments and their repetition. Other identification methods based on complex experiments, such as FEMU of VFM methods have also been proposed. This article addresses the issue of quantifying the diversity of such complex experiments. Three invariants K1, K2, K3 of Henckys logarithmic d...
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| [47] | | Proposal of a homogenization model of the mechanical properties of a silt treated with lime and binder, Anthony Soive, Lucile Pigeot, Nathalie Dufour, Ahmed Loukili, Computers & Mathematics with Applications, pp. 1-7, Elsevier (2022)
| Economic and environmental imperatives are prompting project managers to switch places to the use of in situ soils for the construction of structures. Generally, the poor geotechnical performances of these soils are improved using treatment and compaction. The material studied in the present article is a lime and hydraulic binder treated low clayey silt. This article focuses on the feasibility of ...
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| [48] | | Application d'une methode data-driven a des essais complexes pour l'identification de modeles hyperelastiques., Lena Costecalde, Adrien Leygue, Michel Coret, Erwan Verron, 15eme colloque national en calcul des structures (2022)
| Les methodes didentification data driven developpees ces dernieres annees permettent le calcul de champs de contraintes sans loi de comportement. Ladaptation de ces outils aux donnees reelles, apres acquisition par correlation dimages, permettent lidentification du comportement de membranes hyperelastiques a partir dessais complexes. Apres un apercu des methodes classiques didentification de lois ...
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| [49] | | Nitsche-XFEM for pressure jump interface condition in vibro-acoustic problems in presence of porous materials, Shaoqi Wu, Gregory Legrain, Olivier Dazel, 15e colloque national en calcul des structures (2022)
| We present a variational formulation based on the idea of Nitsche's method to account for thin layers in acoustic problems. Pressure jump model of robin type condition is used to model the effects of thin acoustic layers. The computational domain is discretized using eXtended Finite Element Method (X FEM) to represent the discontinuity in the elements and to mitigate the meshing restriction for co...
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| [50] | | Lip-field approach for modeling strain softening in viscoelastic materials, Rajasekar Gopalsamy, Nicolas Chevaugeon, Olivier Chupin, Jean Michel Piau, Ferhat Hammoum, 25e Congres Francais de Mecanique, pp. 11 p (2022)
| Fracture of visoelastic materials is considered to be a complex phenomenon due to their highly rate and temperature sensitive behaviour. The present paper aims to model fracture in viscoelastic solids for different loading rate and temperature conditions. First, a linear viscoelastic model based on the formalism of generalized standard materials is considered. Second a damage variable is introduce...
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| [51] | | Using candle gel to simulate the frictional instability of earthquake faults in the laboratory: rheological characterization, Pravin Badarayani, Abdallah Aoude, Ioannis Stefanou, 25e Congres Francais de Mecanique, Nantes, 29 aout-2 septembre 2022 (2022)
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| [52] | | Comparative study of mechanical properties and heat of hydration of fine recycled aggregates and limestone fillers cement mortars, Mahmoud Nacer-Eddine Hamdadou, Nordine Leklou, Harifidy Ranaivomanana, Francois Bignonnet, NOMAD 2022 - 4e conference internationale francophone Nouveaux Materiaux et Durabilite (2022)
| Huge quantities of crushed concrete and construction waste demolition are produced annually around the world, and their potential use as substitution of natural aggregates in concrete formulations has been widely studied. However, most of existing studies have mainly been dedicated to the use of recycled gravel and sand. Due to the lack of further investigations concerning the possibility of using...
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| [53] | | Comportement dynamique et cyclique des limons traites a la chaux et au liant hydraulique : approche experimentale et modelisations, Lucile Pigeot, Nathalie Dufour, Anthony Soive, Fabienne Dermenonville, Ahmed Loukili, 11emes journees nationales de geotechnique et de geologie de lingenieur (2022)
| Comportement dynamique et cyclique des limons traites a la chaux et au liant hydraulique : approche experimentale et modelisations...
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| [54] | | Lipschitz Regularization For Softening Material, Nicolas Chevaugeon, Nicolas Moes, 15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII), pp. 279 (2022)
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| [55] | | Comportement effectif et limite de linearite d'un dun materiau architecture 2D periodique a cellules triangulaires, Valentin Jeanneau, Christelle Combescure, M.L.M. Francois, 25e Congres Francais de Mecanique (2022)
| La surface limite de linearite dun materiau architecture 2D a cellules triangulaires quelconques est calculee de maniere semi analytique. Elle est composee de lintersection de trois surfaces : 1) la limite delasticite du materiau constitutif des poutres, 2) la limite en flambement sur un nombre fini de cellules et 3) la limite de localisation. Les composantes analytiques du tenseur delasticite son...
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| [56] | | Effet de l'inertie sur le flambement d'une poutre sous un chargement axial dynamique, Amine Alaoui-Tahiri, Claude Stolz, Mathieu Corus, Pierre Badel, 15eme colloque national en calcul des structures (2022)
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| [57] | | Strategie adataptive de calcul multiechelle pilote par les donnees, Auriane Platzer, Adrien Leygue, Laurent Stainier, 15eme colloque national en calcul des structures (2022)
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| [58] | | Un cadre variationnel pour l'integration de modeles de comportement thermomecaniques couples a des lois de conservation hyperboliques, Thomas Heuze, Laurent Stainier, 15eme colloque national en calcul des structures (2022)
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| [59] | | Modelisation d'un tube par element fini de type poutre enrichi permettant l'ovalisation de la section, Youri Pascal-Abdellaoui, Claude Stolz, Frederic Daude, Philippe Lafon, Pascal Galon, 15eme colloque national en calcul des structures (2022)
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| [60] | | Une formulation bidimensionnelle pour l'homogeneisation en flexion de structures helicoidales, F Treyssede, Patrice Cartraud, 25eme Congres Francais de Mecanique (2022)
| A two dimensional formulation is proposed for modeling the mechanical behavior of helical beam like structures subjected to bending loads. Helical structures include multi wire cables, which are widely used in engineering applications. An accurate representation of their mechanical behavior typically requires large size three dimensional finite element models. The proposed formulation, written on ...
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| [61] | | Comportement mecanique du cobalt polycristallin : transformation de phase et effets de taille, Pierre-Antoine Dubos, Eric Hug, Michel Coret, Jamal Fajoui, David Gloaguen, Baptiste Girault, Clement Keller, Mayerling Martinez Celis, 25e Congres Francais de Mecanique (2022)
| Le cobalt polycristallin est un metal de structure hexagonale compacte (HC) qui presente un rapportc/a proche de celui dune structure compacte ideale et une energie de faute dempilement faible, luiconferant des mecanismes de deformations particuliers. Dans cette etude, le comportement mecaniquedune tole de 500 m depaisseur brute de laminage est etudie. La microstructure initiale presente unetat bi...
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| [62] | | Analyse des effets de taille : Comparaison entre le modele TLS (Thick Level Set) et le Critere Couple, Jihed Zghal, Nicolas Moes, Dominique Leguillon, Claude Stolz, 25eme Congres Francais de Mecanique (2022)
| The prediction of the load of a structure with a defect remains to this day a great challenge. In this study, we propose to highlight the harmfulness of a sharp V notch through a comparative study of the stress to failure obtained by the TLS model and by the coupled criterion. Indeed, the harmfulness of the notch is more important when its size is higher than the characteristic length of the mater...
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| [63] | | Modelisaton multiechelle "data driven" d'une poutre heterogene elastique non lineaire, Noemie Jeannin, Fabien Menard, Patrice Cartraud, Laurent Stainier, 25e Congres Francais de Mecanique (2022)
| Pour des applications de type eolien flottant, les cables electriques de transport denergie presententun comportement non lineaire en flexion. Cependant la complexite de leur structure rend prohibitivelutilisation de modeles elements finis detailles 3D. La mise en uvre dune methode multiechelleclassique de type FE2 se heurte aux memes difficultes compte tenu de la necessite dun couplage fortentre ...
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| [64] | | Environmental impact assessment of manufacturing a carbon fibre reinforced polyphenylene sulfide composite part using the thermo-stamping process, Vincent Lacoma, Jean Luc Bailleul, Sandy Moisan, Christophe Binetruy, Olivier Kerbrat, 25e Congres Francais de Mecanique (2022)
| The use of composite materials instead of metals for aircraft parts has long been identified as a way of improving their environmental performance, as weight savings reduce fuel consumption. In the context of environmental transition, it is important to improve the environmental impact of each step of the lifecycle. However, few studies have described the environmental performance of composite par...
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| [65] | | Identification des phases formees dans les melanges metakaolin-laitier actives, Faten Souayfan, Emmanuel Roziere, Michael Paris, Dimitri Deneele, Ahmed Loukili, Christophe Justino, NOMAD 2022 - 4e conference internationale francophone Nouveaux Materiaux et Durabilite (2022)
| Les melanges metakaolin laitier actives representent une voie prometteuse pour repondre a la fois aux exigences techniques et au critere de durabilite. Cependant, les melanges binaires sont complexes et il n'y pas vraiment de consensus dans la litterature sur les phases formees en fonction de la teneur en laitier. Dans ce travail, les phases presentes dans ces melanges sont explorees par la resona...
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| [66] | | Representation maillee de fronts de contact par lapproche eXtreme Mesh (X-MESH), Benoit Le, Nicolas Moes, Nicolas Chevaugeon, Jean-Francois Remacle, 25e Congres Francais de Mecanique (2022)
| Cet article pose les bases dune methode efficace de representation des fronts de contact, reposant sur lapproche X MESH introduite dans [1] pour modeliser les fronts de changement de phase. Lidee est de deplacer des nuds du maillage elements finis afin dobtenir une representation maillee, continue en temps du front de contact. Ces mouvements de nuds se font sans changement de topologie des nuds du...
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| [67] | | Regles de quadrature "moment-fitting" positives pour les approches de domaines fictifs, Gregory Legrain, 15eme colloque national en calcul des structures (2022)
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| [68] | | Durabilite des betons bas carbone vis-a-vis de la corrosion induite par carbonatation, Imane Elkhaldi, Emmanuel Roziere, Ahmed Zakarya Bendimerad, Geraldine Villain, Ahmed Loukili, NOMAD 2022 - 4e conference internationale francophone Nouveaux Materiaux et Durabilite (2022)
| Compte tenu du contexte climatique actuel, la reglementation en France et dans le monde entier se dirige vers la limitation des gaz a effet de serre de toutes les industries y compris celle du beton. Dans cette perspective, la normalisation des ciments a evolue pour integrer des ciments bas carbone a fort taux de remplacement du clinker. Cette etude propose detudier desbetons a base de ces nouveau...
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| [69] | | Mechanical behaviour of honeycomb core under dynamic l-w shear-compression loading: development of an experimental characterization device, Louis Bridonneau, Jean-Francois Ferrero, Steven Marguet, Laurent Gornet, Patrick Rozycki, M2D2022 - 9th International Conference on Mechanics and Materials in Design, pp. 499-506 (2022)
| The mechanical properties of honeycombs are well known in pure compression and pure arbitrary L or W shear orientation. However, sizing such structures under combined shearcompression solicitations remains a complex task due to a lack of data caused by the lack of suitable experimental characterization devices. In this work, a new experimental device is designed in order to induce combined both qu...
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| [70] | | Detection and characterization of fatigue crack growth by acoustic emission and digital image correlation, Theotime de la Selle, Stephanie Deschanel, Jerome Weiss, Joel Lachambre, Julien Rethore, 25e Congres Francais de Mecanique (2022)
| Acoustic emission (AE) signals specific to the incremental advance of fatigue cracks can be detected, cycle after cycle, during crack propagation tests in metals : they are acoustic multiplets. In order to learn more about the physical mechanisms source, a digital image correlation (DIC) analysis coupled to the AE is conducted in this study. It is shown that this type of analysis is effective to d...
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| [71] | | Illustration of the weakness of the delayed damage model for dynamic loading, Jihed Zghal, Nicolas Moes, European Mechanics of Materials Conference (2022)
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| [72] | | Etablissement de fenetre operatoire par une approche experimentale de la mesure de temperature lors du procede FSW, Moura Abboud, Laurent Dubourg, Adrien Leygue, Guillaume Racineux, Olivier Kerbrat, Conference Manufacturing21 (2022)
| Cet article prend appui sur lutilisation dun systeme de mesure de temperature lors du procede de soudage par friction malaxage (FSW) pour determiner les fenetres operatoires du procede. En effet, un des grands defis rencontres lors du FSW est la variation de temperature qui selon les parametres du procede (vitesse davance et rotation, force dappui, geometrie de loutil), le type et lepaisseur de la...
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| [73] | | Etude de la dependance du comportement mecanique des treillis quasi-periodiques au motif elementaire, Audrey Somera, Martin Poncelet, Nicolas Auffray, Julien Rethore, 25eme Congres Francais de Mecanique (2022)
| Les materiaux architectures quasi periodiques semblent regrouper les avantages des mousses et des lat tices periodiques. Cependant la democratisation de leur utilisation passe par la capacite a identifier lesproprietes dun materiau homogene equivalent. Cette etude se concentre uniquement sur les structuresde type reseaux de poutre. Des simulations numeriques utilisant un modele poutre ont donc ete...
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| [74] | | Thermal characterization and thermal effect assessment of mussels around a dynamic submarine power cable of floating offshore wind turbine, Ziad Maksassi, Bertrand Garnier, Ahmed Ould El Moctar, Franck Schoefs, International Offshore Wind Technical Conference (IOWTC2022), Vol. 15 (2022)
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| [75] | | Moisture effects on monitoring GFRP-balsa sandwich structure by acoustic emission and infrared thermography, Yuan Wu, Marie-Laetitia Pastor, Marianne Perrin, Pascal Casari, Xiaojing Gong, 13th International Conference on Sandwich Structures (ICSS-13) (2022)
| In this work, moisture effects on strength/stiffness degradation of GFRP balsa sandwich structures are studied with the help of active AE and IRT techniques. AE pencil lead breaking tests were conducted before 4 point bending tests to investigate the relationships between Moisture Content (MC) and AE wave propagation properties, including AE wave velocity and amplitude attenuation. Active IRT test...
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| [76] | | A non-linear multi-scales chemo-mechanical model describing the delayed evolution of concrete structures in marine environments, Marinelle El Khoury, Frederic Grondin, Emmanuel Roziere, Rachid Cortas, Fadi Hage Chehade, 25e Congres Francais de Mecanique (2022)
| The failure of offshore structures is a major issue as they lead to economic, environmental, and socialdisasters. Assessing the durability and long term behavior of these structures subjected to chemicaland mechanical degradation is subsequently vitally important. The analysis of these coupledphenomena induced by seawater attack and mechanical loading is complex and requires thedevelopment of inno...
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| [77] | | Prise en compte des effets de la microstructure en fissuration, Soukaina Riad, Didier Bardel, Julien Rethore, 15eme colloque national en calcul des structures (2022)
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| [78] | | Methode des elements de frontiere pour la mecanique des failles et le controle sismique, Laura Bagur, Stephanie Chaillat, Jean-Francois Semblat, Ioannis Stefanou, CSMA 2022 - 15eme Colloque National en Calcul des Structures (2022)
| Ce travail consiste a verifier numeriquement des strategies de controle de seismes par injection de fluide dans le sol. Nous etudions les capacites des methodes delements de frontiere (BEMs) a simuler des sequences de glissements sismiques et asismiques en geomecanique. Un algorithme base sur les BEMs accelerees par FFT est considere, valide, et des resultats sont presentes pour un probleme simple...
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| [79] | | X-Mesh appliquee aux ecoulements diphasiques, Antoine Quiriny, Jean-Francois Remacle, Jonathan Lambrechts, Nicolas Moes, 15eme colloque national en calcul des structures (2022)
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| [80] | | The eXtreme Mesh deformation approach (X-MESH) for sharp contact fronts modeling, Benoit Le, Nicolas Moes, Nicolas Chevaugeon, Jean-Francois Remacle, 15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII) (2022)
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| [81] | | Representation de comportements anelastiques en mecanique numerique pilotee par les donnees : proposition d'un modele sous forme de graphe oriente, Heloise Dandin, Adrien Leygue, Laurent Stainier, 25e Congres Francais de Mecanique, Nantes (2022)
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| [82] | | Regularisation de Lipschitz pour la modelisation de l'endommagement, Nicolas Chevaugeon, Nicolas Moes, 15eme colloque national en calcul des structures (2022)
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| [83] | | Sensitivity analysis applied to a model of the adaptative cellular uptake of nanoparticles, Sarah Iaquinta, Shahram Khazaie, Sylvain Freour, Elena Ishow, Christophe Blanquart, Frederic Jacquemin, 25e Congres Francais de Mecanique (2022)
| Nanoparticles (NPs) are used as a way to deliver drugs into a target cell, especially in the context of anticancer treatments. The interaction between the cell membrane and the NP has been studied in the field of biochemistry and more recently in the field of mechanics. Indeed, an advanced mechanical knowledge of this interaction could allow to propose complementary tools to improve the precision ...
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| [84] | | Deformation eXtreme de maillage (X-MESH) : un nouveau paradigme pour le suivi de surfaces physiques. Application au changement de phase, Nicolas Moes, Jean-Francois Remacle, Jonathan Lambrechts, Benoit Le, Nicolas Chevaugeon, 25e Congres Francais de mecanique (2022)
| The eXtreme Mesh deformation approach (X MESH) is a new method for tracking sharp interfaces without remeshing or changing the mesh topology [1]. However, the interface may change its topology (nucleation, coalescence, branching). The main idea is to allow the elements to reach a zero measure. This allows for relaying, annihilation and nucleation of the interface in a continuous manner in time. Th...
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| [85] | | Regularisation de Lipschitz pour la modelisation de la fissuration par l'endommagement, Nicolas Chevaugeon, Nicolas Moes, 25e Congres Francais de Mecanique (2022)
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| [86] | | Etude de linfluence de la vitesse de chargement sur le comportement de composite thermoplastique soude par ultrasons, Pauline Bourda, Patrick Rozycki, Mamadou A. Mbacke, 25e Congres Francais de Mecanique (2022)
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| [87] | | Monitoring of electrical properties of slag concrete during hydration phase using embedded resistivity sensors, Marie-Ange Eid, Geraldine Villain, Stephanie Bonnet, Sergio Palma Lopes, Jean-Luc Geffard, 25e Congres Francais de Mecanique (2022)
| The work presented below takes place within the ANR DEMCOM project, which pays particular attention to maritime structures, some areas of which are inaccessible for inspection. The objective of this work is to use non destructive evaluation (NDE) techniques adapted to aggressive environments, in particular the embedded resistivity sensor in order to monitor electrical resistivity profiles, a prope...
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| [88] | | Tensile test of the main cement paste phases using molecular dynamics simulation, Sela Hoeun, Fabrice Bernard, Frederic Grondin, Siham Kamali-Bernard, Syed Yasir Alam, 25e Congres Francais de Mecanique, Nantes (2022)
| Nowadays, cement production is one of the main causes of carbon dioxide (CO2) emission, which contributes to the cause of climate change. However, cement is still one of the main material for building construction because of the price, the ability to cast to different shape as the requirement of architecture and its strength. As a result, it is necessary to develop the strength of the hydrate ceme...
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| [89] | | Numerical Modeling of GFRP Structures under Fire Loading, Bruno Aguirre, Laurent Stainier, Carlos Tiago, Joao Correia, 15eme colloque national en calcul des structures (2022)
| A model is proposed for the simulation of the thermo mechanical behaviour pultruded Glass Fibre Reinforced Polymer (GFRP) profiles subjected to the action of a standard fire curve. It consists of two sequential steps: (i) determination of the temperature distribution over time in a representative cross section using a thermal model that includes conduction, convection, radiation and (ii) determina...
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| [90] | | Impact d'instabilites hydrauliques sur l'amplitude de deformation du milieu granulaire durant le drainage, Rana Al Nemer, Giulio Sciarra, Julien Rethore, 11emes journees nationales de geotechnique et de geologie de lingenieur (2022)
| Impact d'instabilites hydrauliques sur l'amplitude de deformation du milieu granulaire durant le drainage...
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