Activités de recherche :

Research Activities:

Main Activity in Computational Mechanics : nonlinear transient dynamics, fragmentation, ruptures, Smooth Particle Hydrodynamics (SPH), influence of material damage on structure damage resistance and damage tolerance

Aims : developp methods methodologies and home tools, contribute to enhancement of commercial codes (LS-Dyna, Impetus Afea), enhance predicatability of numerical simulations

Main Applications : Hyper Velocity Impact (HVI) of space debris, phase change and state change in materials due to high strain rates, ruptures and fracture modelling, rapid machining and tool/workpiece interaction, process simulation, fluid/structure coupling on light structures during rapid loadings, impacts, crash/crush, effect of material damage on structure behavior

 

 

 

 

Research Partners :

Labs: ICA/MSC and ICA/SUMO (internal Laboratory Co-workers), LMT Cachan (ANR VULCOMP II), Icube Université de Strasbourg (UMR 7357), GREMI Université d’Orléans (UMR 7344)

Development and coding : Livermore Software Technology Coportaion (LSTC), Impetus Afea France

Companies and Institutional collaborations : AIRBUS Group Innovation, AIRBUS Operations, Commissariat à  l’Energie Atomique (CEA), Centre National des Etudes Spatiales (CNES), Dassault Aviation (DA), Dedienne Aerospace, Direction Générale de l’Armement (DGA), EMS, Institut Saint Louis (ISL), Latécoère, Thales TDA Armements

Activités d'enseignement :

Teaching Activities:

Vulnerability of Aeronautical end Space Structures : Main Class and lectures

Finite Elements for Structural Analysis : Main Class and lectures

Plates: Lectures

Continnum Mechanics : Lectures

 

Students’ Projects:

Solar balloons and Earth Space Probes: 1st Year of the ISAE-SUPAERO Engineering Cursus (PIC), medium and high school students of Lycée Françoise

Lightning Strike Damage Modelling: 2nd Year of the ISAE-SUPAERO Engineering Cursus (PIR), Master Science Research Projects

Discrete Particle based Methods for Computational Mechanics of Fragmentation: 2nd Year of the ISAE-SUPAERO Engineering Cursus (PIR), Master Science Research Projects, Master Thesis Projects

Parachutes modelling: 2nd Year of the ISAE-SUPAERO Engineering Cursus (PIR), Master Science Research Projects

Green Energy Systems for the Protection of the Environment: 2nd Year (PIR) and 3rd Year (PIE) of the ISAE-SUPAERO Engineering Cursus

 

Production scientifique :

63 contributions trouvées

Année	Type	Auteurs et titre du document	Liens
2019	ACL	Muhammad Ilyas, Ghulam Hussain, Christine Espinosa. Failure and strain gradient analyses in incremental forming using GTN model. International Journal of Lightweight Materials and Manufacture, 2(2), p.177-185	[HAL] / [BIB] / [DOI]
2018	P	Audrey Bigand, Jean-Marc Bauchire, Christine Espinosa, Hervé Rabat. Évaluation de la surpression générée par l'explosion électrique des protections foudre. 22th International Conference on Gas Discharges and Their Applications, p.1-1, Novi Sad, RS	[HAL] / [BIB]
2018	COM	Jean-Marc Bauchire, M. Lisnyak, Hervé Rabat, M. Chnani, Audrey Bigand, Christine Espinosa. Numerical and experimental study of arc fault in aeronautical conditions. 22nd International Confrenence on Gas Discharges and Their Applications, p.1-3, Novi Sad, RS	[HAL] / [BIB]
2018	COM	Iman Al Hossen, Christine Espinosa, Rémy Chieragatti, Anis Hor, Estelle Pierré, Stéphane Vilcoq, Thomas Montel, Oscar Gnangnon. Experimental investigation of the repeatability of direct damage induced by lightning strikes on metallic panels. 15th International High-Tech Plasma Processes Conference (HTPP15), p.1-10, Toulouse, FR	[HAL] / [BIB]
2018	P	Audrey Bigand, Christine Espinosa, Hervé Rabat, Jean-Marc Bauchire. Lightning strike protection explosion and overpressure profile. 15th International High-Tech Plasma Processes Conference (HTPP), p.1-1, Toulouse, FR	[HAL] / [BIB]
2018	P	Audrey Bigand, Jean-Marc Bauchire, Christine Espinosa. Lightning arc interaction with complex structure. 15th International High-Tech Plasma Processes Conference (HTPP), Toulouse, FR	[HAL] / [BIB]
2018	COM	Audrey Bigand, Christine Espinosa, Jean-Marc Bauchire, Franck Flourens, Frederic Lachaud. Estimation of the load produced by the electro-thermal behaviour of lightning strike protection layers on a composite panel. 18th European Conference on Composite Materials (ECCM18), Athens, GR	[HAL] / [BIB]
2018	ACL	F. Soulas, Christine Espinosa, Frederic Lachaud, S. Guinard, B. Lepetit, I. Revel, Y. Duval. A method to replace lightning strike tests by ball impacts in the design process of lightweight composite aircraft panels. International Journal of Impact Engineering, Elsevier, 111, p.165-176	[HAL] / [BIB] / [DOI]
2017	COM	Samuel Rivallant, Alberto Gonzales, Floran Tostain, Christine Espinosa. Etude des débris générés lors de l'écrasement de stratifiés CFRP. Journées Nationales sur les Composites 2017, 77455 Champs-sur-Marne, FR	[HAL] / [BIB]
2017	COM	Christine Espinosa, T. Montel, J.F. Montes Pons, Frederic Lachaud, F. Soulas. A numerical study of the pressure applied on CFRP panels during a lightning strike using a coupled electro-thermal-mechanical model. ICOLSE 2017 International Conference on Lightning and Static Electricity, 13-15 sept. 2017, Nagoya (J), Nagoya, JP	[HAL] / [BIB]
2017	COM	Christine Espinosa, Z.Z. Dong, M. Charlotte. Simulating the mushroom effect during a stratospheric balloon launch. RTS Mécanique Déformable des Ballons et Structures Souples, CCT CNES, 8 juin 2017, Toulouse (FR), Toulouse, FR	[HAL] / [BIB]
2017	COM	Christine Espinosa, H. Bhoosnurmath, A. Carcel Lopez, Frederic Lachaud. Numerical Modelling of a Lightning Strike on a Protected Composite Panel. ICOLSE 2017 International Conference on Lightning and Static Electricity, 13-15 sept. 2017, Nagoya (J), Nagoya, JP	[HAL] / [BIB]
2017	COM	Samuel Rivallant, A. Gonzalez, F. Tostain, Christine Espinosa. Study of debris generated during the crushing of CFRP laminates. AMAC 20èmes Journées Nationales sur les Composites (JNC20), EPCPT, 23-30 June 2017, Paris (FR), Paris, FR	[HAL] / [BIB]
2016	ACL	John Le Dref, Yann Landon, Gilles Dessein, Christine Espinosa. Modelling kinematics and cutting forces in vibration assisted drilling. Mechanics & Industry, EDP Sciences, 17(3), p.1-10	[HAL] / [BIB] / [DOI]
2016	COM	Christine Espinosa, F. Tostain, Samuel Rivallant. Stabilization of the numerical priming to stabilization phenomenon in the crushing of a composite panel using local and diffuse damage laws. VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2016), Crete, GR	[HAL] / [BIB]
2016	COM	B. Perin, Christine Espinosa, R. Blois, P. Bordenave. Experimental and Numerical Investigation of the Tearing Resistance of a Parachute Woven Fabric using LS-Dyna. 14th International LS-DYNA Users Conference June 2016, Detroit, US	[HAL] / [BIB]
2016	COM	F. Tostain, Christine Espinosa, Samuel Rivallant. Modélisation des ruptures et fragmentations dynamiques de stratifiés composites en écrasement. MécaDymat "Comportement et rupture des matériaux sous sollicitations dynamiques", Strasbourg (France), 30-31 Mars 2016, Strasbourg, FR	[HAL] / [BIB]
2016	COM	F. Tostain, P. Guillén Ulecia, L. Fúster Alfonso, Samuel Rivallant, Christine Espinosa. Experimental investigation of crushed composite plates under static and dynamic loads. ICILSM 2016 - 1st International Conference on Impact Loading of Structures and Materials, Turin, Italie, 22-26 May, Turin, IT	[HAL] / [BIB]
2015	ACL	Frederic Lachaud, Christine Espinosa, Laurent Michel, Pierre Rahme, Robert Piquet. Modelling Strategies for Simulating Delamination and Matrix Cracking in Composite Laminates. Applied Composite Materials, Springer Verlag (Germany), 22(4), p.377-403	[HAL] / [BIB] / [DOI]
2015	COM	Cheng Chen, Laurent Michel, Frederic Lachaud, Christine Espinosa. Simulation d'impact et effets de l'environnement sur un composite stratifié carbone-époxy Impact simulation and environmental effects on a carbon-epoxy laminated composite. Simulation d'impact de composites stratifiés et effets de l'environnement. JNC19, Journées Nationales sur les Composites, Lyon, FR	[HAL] / [BIB]
2015	COM	Floran Tostain, Christine Espinosa, Samuel Rivallant. Absorption d'énergie: un modèle de fragmentation diffuse et localisée pour le crash de composite carbone/epoxy. 12e Colloque national en calcul des structures, Giens, FR	[HAL] / [BIB]
2015	ACL	Christine Espinosa, Frederic Lachaud, Jérôme Limido, Jean-Luc Lacome, Antoine Bisson, M. Charlotte. Coupling continuous damage and debris fragmentation for energy absorption prediction by cfrp structures during crushing. Computational Particle Mechanics, Springer Verlag, 2(1), p.1-17	[HAL] / [BIB] / [DOI]
2015	COM	F. Soulas, Christine Espinosa, Frederic Lachaud, S. Guinard, B. Lepetit, I. Revel. Endommagement des structures composites soumises à l’impact foudre. Journées Nationales sur les Composites, Lyon, 29 Juin-1er juillet 2015, Lyon, FR	[HAL] / [BIB]
2015	COM	Samuel Rivallant, F. Tostain, Christine Espinosa. Crushing of aeronautical composite absorbers using canonical and phenomenological ruin criteria. V ECCOMAS Thematic Conference on the Mechanical Response of Composites, Bristol, UK, 7-9 September, Bristol, GB	[HAL] / [BIB]
2015	ACL	Frederic Lachaud, Christine Espinosa, Laurent Michel, Pierre Rahme, Robert Piquet. Modelling Strategies for Predicting the Residual Strength of Impacted Composite Aircraft Fuselages. Applied Composite Materials, 22(6), p.599--621	[HAL] / [BIB]
2015	COM	F. Soulas, B. Lepetit, Christine Espinosa, Frederic Lachaud, S. Guinard, J. Duval, I. Revel. How to define a mechanical impact equivalent to a lightning strike. 2015 International Conference on Lightning and Static Electricity (ICOLSE), Toulouse, FR	[HAL] / [BIB]
2015	COM	F. Tostain, Christine Espinosa, Samuel Rivallant. Modèles d'écrasement localisé et d'endommagement diffus pour la simulation du crash de structures composites. Journées Thématiques DynRap 'Etudes de phénomènes en dynamique rapide par essais et simulations', DGA - Techniques aeronautiques, Toulouse, France, 25-26 mars, Toulouse, FR	[HAL] / [BIB]
2015	COM	F. Soulas, Christine Espinosa, Frederic Lachaud, S. Guinard, B. Lepetit, I. Revel. Equivalent impact set-up for lightning strike damage on composite coupons. ICCM20, 20th International Conference on Composite Materials, Copenhagen (Danmark), 19-24th July, Copenhague, DK	[HAL] / [BIB]
2015	COM	F. Soulas, Christine Espinosa, Frederic Lachaud, S. Guinard, B. Lepetit, Y. Duval, I. Revel. Approximation of a lightning test by a mechanical impact one : from equivalence criterion based on deflection to mechanical modelling of core damage and delamination. 2015 International Conference on Lightning and Static Electricity (ICOLSE), Toulouse, FR	[HAL] / [BIB]
2015	COM	F. Soulas, Christine Espinosa, Frederic Lachaud, Y. Duval, S. Guinard, B. Lepetit, I. Revel. Design of Mechanical Impact tests equivalent to lightning strikes. Journées Thématiques DynRap 'Etudes de phénomènes en dynamique rapide par essais et simulations', DGA- Techniques aeronautiques, Toulouse (France), Toulouse, FR	[HAL] / [BIB]
2015	COM	A. Baltzinger, A. Cayla, Christine Espinosa, S. Perraud, C. Campagne. Ageing behavior of polyamide 6-6 parachute fabric in stratosphere and troposphere balloons systems. 15th Association of Universities for Textiles World Textile Conference (AUTEX 2015) ; june 2015 Bucarest (Roumanie), Bucarest, RO	[HAL] / [BIB]
2014	COM	F. Soulas, Christine Espinosa, Frederic Lachaud, Y. Duval, S. Guinard, B. Lepetit, I. Revel. Design of Mechanical Impact tests equivalent to lightning strikes. ECCM16 - 16TH EUROPEAN CONFERENCE ON COMPOSITE MATERIALS, Seville, Spain, 22-26 June 2014, Seville, ES	[HAL] / [BIB]
2014	COM	J. Le Dref, Yann Landon, G. Dessein, Christine Espinosa. Contribution to understanding and modelizing vibration assisted drilling. 4th ICEIR Int. Congress on Engineering of Industrial Risks & 32nd CMVA Annual Seminar on Machinery Vibration, Montréal, CA	[HAL] / [BIB]
2014	COM	Christine Espinosa. La simulation numérique des structures souples - Aide au dimensionnement de voiles de parachutes et de ballons. Journées Thématiques Aérolargage, DGA - Techniques Aéronautiques, Toulouse (France), 18-19 mars, Toulouse, FR	[HAL] / [BIB]
2013	COM	Justine Gontier, Carlos Hervas Garcia, Joël Bordeneuve-Guibé, Christine Espinosa. CANSAT: Multiphysical experimental design of a probe come-back mission. 64th IAC - International Astronautical Congress, Beijing, CN	[HAL] / [BIB]
2013	COM	Christine Espinosa, Kobyé Bodjona, Laurent Michel, Frederic Lachaud. Numerical Prediction of Damage Interaction during L-Shaped Laminated Composite Structures Unfolding. 12th International Conference on Fracture and Damage Mechanics, 577-578, p.461--464, Alghero (Sardinia), IT	[HAL] / [BIB]
2013	COM	Laurent Michel, Sebastian Garcia, Chen Yao, Christine Espinosa, Frederic Lachaud. Experimental and Numerical Investigation of Delamination in Curved-Beam Multidirectional Laminated Composite Specimen. 12th International Conference on Fracture and Damage Mechanics, Alghero (Sardinia), IT	[HAL] / [BIB]
2013	COM	Christine Espinosa, Miriam Ruiz-Ayuso, Frederic Lachaud. Inner Damage and External Dent in Composite Structures after Impact \textendash Part I: Experimental Observations. 12th International Conference on Fracture and Damage Mechanics, 577-578(457-460), Alghero (Sardinia), IT	[HAL] / [BIB]
2013	COM	S. Garcia, Laurent Michel, Christine Espinosa, Frederic Lachaud, R. Piquet. Experimental Study of Corner Shaped Composite Laminates Subjected to Pure Bending. Proceedings of the 9th International Conference on Composite Science and Technology (ICCST-9), Sorrento, Naples, IT	[HAL] / [BIB]
2013	COM	M. Gonzalez, Nicolas Binaud, Christine Espinosa, Christian Gogu, Joseph Morlier, S. Quoniam. Towards a consideration of the uncertainties in flight loads. 5th European Conference for Aeronautics and Space Sciences, Munich, Germany, 1-5th July, Munich, DE	[HAL] / [BIB]
2013	COM	C. Chen, Laurent Michel, Christine Espinosa, Frederic Lachaud. Etude de l’effet du vieillissement humide sur le comportement à l’impact d’un stratifié composite carbone-époxy. Journées Nationales sur les Composites (JNC18), Nantes, FR	[HAL] / [BIB]
2013	COM	M. Gonzalez, Christian Gogu, Nicolas Binaud, Christine Espinosa, Joseph Morlier, S. Quoniam. Uncertainty quantification in aircraft load calibration. 10th World Congress on Structural and Multidisciplinary Optimization, Orlando, Florida, USA, 19-24th May, Orlando, Florida, US	[HAL] / [BIB]
2012	COM	J. Limido, M. Suraratchai, Catherine Mabru, Christine Espinosa, Michel Salaün, R. Chieragatti, Michel Chaussumier. Surfaces usinées: cas d'aillages d'aluminium aéronautiques. Séminaire du GT 7 de la SF2M, 29 mars 2012, Paris (FR), Paris, FR	[HAL] / [BIB]
2012	COM	Laurent Michel, Frederic Lachaud, C. Chen, Christine Espinosa. A numerical Approach for analyzing post-impact behaviour of composite laminate plate under in-plane compression. ECCM15 - 15th EUROPEAN CONFERENCE ON COMPOSITE MATERIALS, Venice, Italy, 24-28 June 2012, Venice, IT	[HAL] / [BIB]
2012	COM	Christine Espinosa, J. Limido, Frederic Lachaud, J.-L. Lacome. Combining a CDM model and a FE-Particle method to analyse the ruin modes of a composite structure during a crash. European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2012), Vienna, AT	[HAL] / [BIB]
2012	COM	Christine Espinosa, Laurent Michel, K. Bodjona, Frederic Lachaud, R. Piquet. Modélisation numérique de l’initiation et de la propagation des dommages lors du dépliage de cornières composites aéronautiques - Comparaison à des prévisions théoriques. NAFEMS 2012, Paris, FR	[HAL] / [BIB]
2011	B	Vivian Vergnes, Rémy Chieragatti, Catherine Mabru, Christine Espinosa, Monchai Suraratchai. Method for characterizing the endurance limit of a part from its surface profile. FR	[HAL] / [BIB]
2011	COM	Frederic Lachaud, Christine Espinosa, Laurent Michel. Prévision de l'endommagement de composites stratifiés carbone-époxy sous chargement de type impact. 17èmes Journées Nationales sur les Composites (JNC17), p.96, Poitiers-Futuroscope, FR	[HAL] / [BIB]
2011	COM	Yves Coquet, Pascal Bordeneuve, Guillaume Capmas, Christine Espinosa. Improvements in Fluid Structure Interaction simulations of LS-Dyna(r). 21st AIAA Aerodynamic Decelerator Systems Technology Conference and Seminar, p.1-9, Dublin, IE	[HAL] / [BIB]
2011	COM	Frederic Lachaud, Christine Espinosa, Laurent Michel, Michel Salaün. Impacts on fuselages: a trial in using numerical simulation to predict residual strength. Workshop on "Dynamic Failure of Composite and Sandwich Structures", 23-24 June 2011, ICA, Toulouse (FR), Toulouse, FR	[HAL] / [BIB]
2011	ACL	Jérôme Limido, Christine Espinosa, Michel Salaün, Catherine Mabru, Rémy Chieragatti, Jean-Luc Lacome. Metal cutting modelling SPH approach. International Journal of Machining and Machinability of Materials, Inderscience, 9(3-4), p.177-196	[HAL] / [BIB] / [DOI]
2010	COM	Muhammad Ilyas, Christine Espinosa, Frederic Lachaud, Laurent Michel, Michel Salaün. Modelling aeronautical composite laminates behaviour under impact using a saturation damage and delamination continuous material model. 9th International Conference on Fracture and Damage Mechanics, 452-453(2011), p.369-372, Nagasaki, JP	[HAL] / [BIB] / [DOI]
2009	COM	Muhammad Ilyas, Jérôme Limido, Frederic Lachaud, Christine Espinosa, Michel Salaün. Modélisation SPH 3D de l'impact basse vitesse sur plaque composite. 19ème Congrès Français de Mécanique, Marseille, FR	[HAL] / [BIB]
2009	COM	Muhammad Ilyas, Frederic Lachaud, Christine Espinosa, Michel Salaün. Dynamic delamination of aeronautic structural composites by using cohesive finite elements. 17th International Conference on Composite Materials (ICCM-17), Edinburgh, GB	[HAL] / [BIB]
2009	COM	Muhammad Ilyas, Frederic Lachaud, Christine Espinosa, Laurent Michel, Michel Salaün. Modélisation en dynamique rapide du délaminage des composites à l'aide d'éléments finis cohésifs = Dynamic delamination modeling of unidirectional composites by cohesive finite elements. JNC 16, 9 p., Toulouse, FR	[HAL] / [BIB]
2009	COM	Muhammad Ilyas, Christine Espinosa, Frederic Lachaud, Michel Salaün. Simulation of dynamic delamination and mode I energy dissipation. 7th European LS-DYNA Conference, p.1-7, Salzburg, AT	[HAL] / [BIB]
2009	ACL	Madalina Calamaz, Jérôme Limido, Mohammed Nouari, Christine Espinosa, Dominique Coupard, Michel Salaün, Franck Girot, Rémy Chieragatti. Toward a better understanding of tool wear effect through a comparison between experiments and SPH numerical modelling of machining hard materials. International Journal of Refractory Metals and Hard Materials, Elsevier, 27, p.595-604	[HAL] / [BIB] / [DOI]
2009	COM	J. Limido, Christine Espinosa, Michel Salaün, Catherine Mabru, R. Chieragatti. High speed machining modelling : SPH method capabilities. 4th SPHERIC Workshop, mai 2009, Nantes (FR), Nantes, FR	[HAL] / [BIB]
2009	COM	J. Limido, M. Suraratcha\"i, Catherine Mabru, Christine Espinosa, Michel Salaün, R. Chieragatti, V. Vergnes. Machining parameters effects on surface and fatigue life of Aluminum alloy aeronautical parts. EUCASS 2009 - 3rd European Conference for Aero-Space Sciences - Versailles (France), Juillet, Versailles, FR	[HAL] / [BIB]
2007	COM	Jérôme Limido, Christine Espinosa, Michel Salaün. Modélisation 3D des efforts de coupe et de la surface en UGV à partir d'un modèle numérique 2D. 8e Colloque national en calcul des structures, Giens, FR	[HAL] / [BIB]
2006	B	Vivian Vergnes, Rémy Chieragatti, Catherine Mabru, Christine Espinosa, Monchai Suraratchai. Procédé de caractérisation de la tenue en fatigue d'une pièce à partir de son profil de surface. FR	[HAL] / [BIB]
2002	COM	Rémy Chieragatti, Catherine Mabru, Christine Espinosa, Farhad Rezai-Aria. A new specimen for fatigue investigations. CAMP2002 -Conferences on applied mechanics, materials science and joining and forming processes, p.207-213, Paderborn, DE	[HAL] / [BIB]
1991	ACL	Christine Espinosa, Francis Collombet. Impact de plaques composites : caractérisation et modèles. Journal de Physique III, EDP Sciences, 1(12), p.1953-1968	[HAL] / [BIB] / [DOI]