A. Benallal

Publications

Article dans une revue (73)

X-ray tomographic image post-processing and a new 2D LBM simulation for the determination of the porosity and the static airflow resistivity of an acoustic fibrous material Pierre Lamary,Belisario N Huallpa,Flávio C Bannwart,Enio P de Deus,Ahmed Benallalet al. Applied Acoustics, 2020, 169, pp.107452. ⟨10.1016/j.apacoust.2020.107452⟩ Article dans une revue hal-03103044v1
A numerical study on ductile failure of porous ductile solids with rate-dependent matrix behaviour Lars Edvard Blystad Dæhli,David Morin,Tore Borvik,Ahmed Benallal,Odd Sture Hopperstad Journal of Applied Mechanics, 2019, pp.1-23. ⟨10.1115/1.4045524⟩ Article dans une revue hal-02411416v1
Effective behaviour of porous ductile solids with a non-quadratic isotropic matrix yield surface Lars Edvard Blystad Dæhli,Odd Sture Hopperstad,Ahmed Benallal Journal of the Mechanics and Physics of Solids, 2019, 130, pp.56-81. ⟨10.1016/j.jmps.2019.05.014⟩ Article dans une revue hal-02411379v1
A thermo-elasto-viscoplastic constitutive model for polymers Joakim Johnsen,Arild Holm Clausen,Frode Grytten,Ahmed Benallal,Odd Sture Hopperstad Journal of the Mechanics and Physics of Solids, 2019, 124, pp.681-701. ⟨10.1016/j.jmps.2018.11.018⟩ Article dans une revue hal-03103080v1
On some features of the effective behaviour of porous solids with J 2 - and J 3 -dependent yielding matrix behaviour Ahmed Benallal Comptes Rendus. Mécanique, 2018, 346 (2), pp.77 - 88. ⟨10.1016/j.crme.2017.11.002⟩ Article dans une revue hal-01717944v1
On the description of ductile fracture in metals by the strain localization theory David Morin,Odd Sture Hopperstad,Ahmed Benallal International Journal of Fracture, 2018, 209 (1-2), pp.27 - 51. ⟨10.1007/s10704-017-0236-9⟩ Article dans une revue hal-01717960v1
Anisotropic tensile failure of metals by the strain localization theory: An application to a high-strength aluminium alloy D. Morin,M. Fourmeau,T. Børvik,Ahmed Benallal,O.S. Hopperstad European Journal of Mechanics - A/Solids, 2018, 69, pp.99 - 112. ⟨10.1016/j.euromechsol.2017.11.015⟩ Article dans une revue hal-01717958v1
Constitutive equations for porous solids with matrix behaviour dependent on the second and third stress invariants A. Benallal International Journal of Impact Engineering, 2017, 108, pp.47 - 62. ⟨10.1016/j.ijimpeng.2017.05.004⟩ Article dans une revue istex hal-01592338v1
A study of the influence of precipitate-free zones on the strain localization and failure of the aluminium alloy AA7075-T651 Marion Fourmeau,Calin D. Marioara,Tore Borvik,Ahmed Benallal,Odd Sture Hopperstad Philosophical Magazine, 2015, 95 (28-30), pp.3278-3304. ⟨10.1080/14786435.2015.1040099⟩ Article dans une revue hal-01717954v1
An assessment of the role of the third stress invariant in the Gurson approach for ductile fracture Ahmed Benallal,R. Desmorat,M. Fournage European Journal of Mechanics - A/Solids, 2014, 47, pp.400 - 414. ⟨10.1016/j.euromechsol.2014.02.009⟩ Article dans une revue hal-01717959v1
Quasi-static and Dynamic Fracture of High-strength Aluminium Alloy O.S. Hopperstad,T. Børvik,M. Fourmeau,K.O. Pedersen,Ahmed Benallal Procedia Materials Science (Elsevier), 2014, 3, pp.51 - 56. ⟨10.1016/j.mspro.2014.06.012⟩ Article dans une revue hal-01717962v1
Anisotropic failure modes of high-strength aluminium alloy under various stress states M. Fourmeau,T. Børvik,Ahmed Benallal,O.S. Hopperstad International Journal of Plasticity, 2013, 48, pp.34 - 53. ⟨10.1016/j.ijplas.2013.02.004⟩ Article dans une revue hal-01717957v1
Computational aspects in presence of negative strain-rate sensitivity with application to aluminium alloys exhibiting the Portevin–Le Chatelier effect Ahmed Benallal,T. Berstad,T. Børvik,Rodrigo Nogueira de Codes,O.S. Hopperstad Modelling and Simulation in Materials Science and Engineering, 2012, ⟨10.1088/issn.0965-0393⟩ Article dans une revue hal-01718212v1
BEM modeling of saturated porous media susceptible to damage E.T. Lima Junior,W.S. Venturini,Ahmed Benallal Engineering Analysis with Boundary Elements, 2012, 36 (2), pp.147 - 153. ⟨10.1016/j.enganabound.2011.07.002⟩ Article dans une revue hal-01718659v1
Experimental and numerical study on the behaviour of PVC and HDPE in biaxial tension Anne Serine Ognedal,Arild Holm Clausen,Mario Polanco-Loria,Ahmed Benallal,Bumedijen Rakaet al. Mechanics of Materials, 2012, 54, pp.18 - 31. ⟨10.1016/j.mechmat.2012.05.010⟩ Article dans une revue hal-01718431v1
Effect of strain rate and dynamic strain ageing on work-hardening for aluminium alloy AA5182-O Odd Lademo,Olaf Engler,Ahmed Benallal,Odd Sture Hopperstad International Journal of Materials Research, 2012, 103 (8), pp.1035 - 1041. ⟨10.3139/146.110741⟩ Article dans une revue hal-01718603v1
Failure criteria with unilateral conditions for simulation of plate perforation A. Kane,T. Børvik,T. Berstad,Ahmed Benallal,O.S. Hopperstad European Journal of Mechanics - A/Solids, 2011, 30 (4), pp.468 - 476. ⟨10.1016/j.euromechsol.2011.02.003⟩ Article dans une revue istex hal-01718417v1
Spatial and Temporal Characteristics of Propagating Deformation Bands in AA5182 Alloy at Room Temperature R. Nogueira de Codes,O. Hopperstad,O. Engler,O.-G. Lademo,J. Emburyet al. Metallurgical and Materials Transactions A, 2011, 42 (11), pp.3358 - 3369. ⟨10.1007/s11661-011-0749-1⟩ Article dans une revue hal-01718373v1
On the plastic anisotropy of an aluminium alloy and its influence on constrained multiaxial flow M. Fourmeau,T. Børvik,Ahmed Benallal,O.G. Lademo,O.S. Hopperstad International Journal of Plasticity, 2011, 27 (12), pp.2005 - 2025. ⟨10.1016/j.ijplas.2011.05.017⟩ Article dans une revue istex hal-01718388v1
Influence of specimen geometry on the Portevin–Le Châtelier effect due to dynamic strain aging for the AA5083-H116 aluminum alloy Rodrigo Nogueira de Codes,Ahmed Benallal Journal of Mechanics of Materials and Structures, 2011, 6 (7-8), pp.951 - 968. ⟨10.2140/jomms.2011.6.951⟩ Article dans une revue hal-01718837v1
Coupled Evolution of Damage and Fluid Flow in a Mandel-type Problem Eduardo Toledo de Lima Junior,Wilson S. Venturini,Ahmed Benallal Computer Modeling in Engineering and Sciences, 2011 Article dans une revue hal-01719105v1
On the fracture locus of AA7075-T651 M. Fourmeau,T. Børvik,Ahmed Benallal,O.S. Hopperstad EPJ Web of Conferences, 2010, 6, ⟨10.1051/epjconf/20100602006⟩ Article dans une revue hal-01719107v1
Uniqueness, loss of ellipticity and localization for the time-discretized, rate-dependent boundary value problem with softening Ahmed Benallal,T. Berstad,T. Børvik,O. Hopperstad International Journal for Numerical Methods in Engineering, 2010, 84 (7), pp.864 - 882. ⟨10.1002/nme.2931⟩ Article dans une revue istex hal-01718472v1
Strain-Rate Sensitivity of Aluminum Alloys AA1200 and AA3103 O. Lademo,O. Engler,J. Aegerter,T. Berstad,Ahmed Benallalet al. Journal of Engineering Materials and Technology, 2010, 132 (4), ⟨10.1115/1.4002160⟩ Article dans une revue hal-01718523v1
BEM applied to damage phenomena in saturated porous media E Junior,W Venturini,Ahmed Benallal IOP Conference Series: Materials Science and Engineering, 2010, 10, ⟨10.1088/1757-899X/10/1/012049⟩ Article dans une revue istex hal-01719106v1
Effects of strain rate on the characteristics of PLC deformation bands for AA5083-H116 aluminium alloy A. Benallal,Torod Berstad,Tore Borvik,Odd Sture Hopperstad,Rodrigo Nogueira de Codes Philosophical Magazine, 2009, 88 (28-29), pp.3311-3338. ⟨10.1080/14786430802468223⟩ Article dans une revue hal-00513974v1
Aspects of bifurcation in an isotropic elastic continuum with orthotropic inelastic interface J. Utzinger,A. Menzel,P. Steinmann,Ahmed Benallal European Journal of Mechanics - A/Solids, 2008, 27 (4), pp.532 - 547. ⟨10.1016/j.euromechsol.2007.11.001⟩ Article dans une revue istex hal-01718457v1
An experimental and numerical investigation of the behaviour of AA5083 aluminium alloy in presence of the Portevin–Le Chatelier effect Ahmed Benallal,T. Berstad,T. Børvik,O.S. Hopperstad,I. Koutiriet al. International Journal of Plasticity, 2008, 24 (10), pp.1916 - 1945. ⟨10.1016/j.ijplas.2008.03.008⟩ Article dans une revue istex hal-01718268v1
A note on ill-posedness for rate-dependent problems and its relation to the rate-independent case Ahmed Benallal Computational Mechanics, 2008, 42 (2), pp.261 - 269. ⟨10.1007/s00466-008-0252-8⟩ Article dans une revue istex hal-01718524v1
Towards Humanlike Social Touch for Sociable Robotics and Prosthetics: Comparisons on the Compliance, Conformance and Hysteresis of Synthetic and Human Fingertip Skins John-John Cabibihan,Stephane Pattofatto,Moez Jomaa,Ahmed Benallal,Maria Chiara Carrozza International Journal of Social Robotics, 2008, vol 1, pp.29-40. ⟨10.1007/s12369-008-0008-9⟩ Article dans une revue hal-00418519v1
Consolidation of elastic–plastic saturated porous media by the boundary element method Ahmed Benallal,Alexandre Botta,Wilson Venturini Computer Methods in Applied Mechanics and Engineering, 2008, 197 (51-52), pp.4626 - 4644. ⟨10.1016/j.cma.2008.06.003⟩ Article dans une revue istex hal-01718845v1
A numerical study on the influence of the Portevin–Le Chatelier effect on necking in an aluminium alloy O Hopperstad,T. Børvik,T. Berstad,O-G Lademo,Ahmed Benallal Modelling and Simulation in Materials Science and Engineering, 2007, 15 (7), pp.747 - 772. ⟨10.1088/0965-0393/15/7/004⟩ Article dans une revue hal-01718370v1
Bifurcation and stability issues in gradient theories with softening Ahmed Benallal,Jean-Jacques Marigo Modelling and Simulation in Materials Science and Engineering, 2007, 15 (1), pp.S283-S295. ⟨10.1088/0965-0393/15/1/S22⟩ Article dans une revue hal-00551073v1
Dynamic strain aging and related instabilities: experimental, theoretical and numerical aspects Ahmed Benallal,T. Berstad,T. Børvik,A.H. Clausen,O.S. Hopperstad European Journal of Mechanics - A/Solids, 2006, 25 (3), pp.397 - 424. ⟨10.1016/j.euromechsol.2005.10.007⟩ Article dans une revue istex hal-01718317v1
Finite element simulations of the Portevin–Le Chatelier effect in aluminium alloy O. Hopperstad,T. Børvik,T. Berstad,Ahmed Benallal Journal de Physique IV Proceedings, 2006, 134, pp.435 - 441. ⟨10.1051/jp4:2006134067⟩ Article dans une revue istex hal-01718577v1
On the description of localization and failure phenomena by the boundary element method Ahmed Benallal,Alexandre Botta,Wilson Venturini Computer Methods in Applied Mechanics and Engineering, 2006, 195 (44-47), pp.5833 - 5856. ⟨10.1016/j.cma.2005.08.025⟩ Article dans une revue istex hal-01718393v1
Gradient constitutive relations: numerical aspects and application to gradient damage E. Lorentz,Ahmed Benallal Computer Methods in Applied Mechanics and Engineering, 2005, 194 (50-52), pp.5191 - 5220. ⟨10.1016/j.cma.2004.12.016⟩ Article dans une revue istex hal-01718363v1
On interfacial properties in gradient damaging continua Ahmed Benallal,Claudia Comi Comptes Rendus. Mécanique, 2005, 333 (4), pp.319 - 324. ⟨10.1016/j.crme.2005.02.001⟩ Article dans une revue istex hal-01718555v1
On localization modes in coupled thermo-hydro-mechanical problems Ahmed Benallal Comptes Rendus. Mécanique, 2005, 333 (7), pp.557 - 564. ⟨10.1016/j.crme.2005.05.005⟩ Article dans une revue istex hal-01718607v1
BEM applied to damage models emphasizing localization and associated regularization techniques Alexandre Botta,Wilson Venturini,Ahmed Benallal Engineering Analysis with Boundary Elements, 2005, 29 (8), pp.814 - 827. ⟨10.1016/j.enganabound.2005.04.006⟩ Article dans une revue istex hal-01718403v1
Gradient constitutive relations : numerical aspects and application to gradient damage E. Lorentz,A. Benallal Computer Methods in Applied Mechanics and Engineering, 2005, 194, pp.5191-5220 Article dans une revue hal-00089126v1
Effects of temperature and thermo-mechanical couplings on material instabilities and strain localization of inelastic materials Ahmed Benallal,Davide Bigoni Journal of the Mechanics and Physics of Solids, 2004, 52 (3), pp.725 - 753. ⟨10.1016/S0022-5096(03)00118-2⟩ Article dans une revue istex hal-01718360v1
Flow and fracture characteristics of aluminium alloy AA5083–H116 as function of strain rate, temperature and triaxiality Arild Clausen,Tore Borvik,Odd Hopperstad,Ahmed Benallal Materials Science and Engineering: A, 2004, 364 (1-2), pp.260 - 272. ⟨10.1016/j.msea.2003.08.027⟩ Article dans une revue istex hal-01718241v1
Perturbation growth and localization in fluid-saturated inelastic porous media under quasi-static loadings Ahmed Benallal,Claudia Comi Journal of the Mechanics and Physics of Solids, 2003, 51 (5), pp.851 - 899. ⟨10.1016/S0022-5096(02)00143-6⟩ Article dans une revue istex hal-01718385v1
On numerical analyses in the presence of unstable saturated porous materials Ahmed Benallal,C. Comi International Journal for Numerical Methods in Engineering, 2003, 56 (6), pp.883 - 910. ⟨10.1002/nme.597⟩ Article dans une revue istex hal-01718436v1
An implicit BEM formulation for gradient plasticity and localization phenomena Ahmed Benallal,Carlos A. Fudoli,Wilson S. Venturini International Journal for Numerical Methods in Engineering, 2002, 53 (8), pp.1853 - 1869. ⟨10.1002/nme.365⟩ Article dans une revue istex hal-01718358v1
Quasi-static versus dynamic failure instabilities in fluid-saturated porous media Ahmed Benallal,Claudia Comi Comptes Rendus. Mécanique, 2002 Article dans une revue hal-01719104v1
Material instabilities in inelastic saturated porous media under dynamic loadings Ahmed Benallal,Claudia Comi International Journal of Solids and Structures, 2002, 39 (13-14), pp.3693 - 3716. ⟨10.1016/S0020-7683(02)00180-4⟩ Article dans une revue istex hal-01718383v1
Theoretical and computational aspects of a thermodynamically consistent framework for geometrically linear gradient damage T. Liebe,P. Steinmann,Ahmed Benallal Computer Methods in Applied Mechanics and Engineering, 2001, 190 (49-50), pp.6555 - 6576. ⟨10.1016/S0045-7825(01)00250-X⟩ Article dans une revue istex hal-01718266v1
On localization in saturated porous continua Ahmed Benallal,Claudia Comi Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics-Physics-Astronomy, 2000, 328 (12), pp.847 - 853. ⟨10.1016/S1620-7742(00)01277-0⟩ Article dans une revue istex hal-01718541v1
2D nonlocal versus 3D bifurcation studies for biaxially loaded plates Ahmed Benallal,V. Tvergaard Journal de Physique IV Proceedings, 1998, 08 (PR8), pp.Pr8-29 - Pr8-37. ⟨10.1051/jp4:1998804⟩ Article dans une revue istex hal-01719112v1
Relation théorique entre la méthode de perturbation linéaire et l'analyse de bifurcation pour la prédiction de la localisation des déformations Gilles Barbier,Ahmed Benallal,Valerie Cano Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics-Physics-Chemistry-Astronomy, 1998, 326 (3), pp.153 - 158. ⟨10.1016/S1251-8069(99)89001-0⟩ Article dans une revue istex hal-01718253v1
Localization analysis via a geometrical method Ahmed Benallal,Claudia Comi International Journal of Solids and Structures, 1996, 33 (1), pp.99 - 119. ⟨10.1016/0020-7683(95)00018-6⟩ Article dans une revue istex hal-01718320v1
A Gradient-Enhanced Damage Approach to Fracture R. de Borst,A. Benallal,O. Heeres Journal de Physique IV Proceedings, 1996, 06 (C6), pp.C6-491-C6-502. ⟨10.1051/jp4:1996649⟩ Article dans une revue jpa-00254482v1
Nonlocal continuum effects on bifurcation in the plane strain tension-compression test Ahmed Benallal,Viggo Tvergaard Journal of the Mechanics and Physics of Solids, 1995, 43 (5), pp.741 - 770. ⟨10.1016/0022-5096(95)00002-Z⟩ Article dans une revue istex hal-01718314v1
Closed form solutions to localization conditions for rate-independent materials Ahmed Benallal,Claudia Comi Comptes rendus de l’Académie des sciences. Série 2, 1994 Article dans une revue hal-01719113v1
A two-field finite element formulation for elasticity coupled to damage Julio Florez-Lopez,Ahmed Benallal,Giuseppe Geymonat,René Billardon Computer Methods in Applied Mechanics and Engineering, 1994, 114 (3-4), pp.193 - 212. ⟨10.1016/0045-7825(94)90171-6⟩ Article dans une revue istex hal-01718412v1
Strain localization and bifurcation in a nonlocal continuum Gilles Pijaudier-Cabot,Ahmed Benallal International Journal of Solids and Structures, 1993, 30 (13), pp.1761 - 1775. ⟨10.1016/0020-7683(93)90232-V⟩ Article dans une revue istex hal-01718249v1
The role of deviatoric and volumetric non-associativities on strain localization Ahmed Benallal,Claudia Comi Rendiconti Lincei. Matematica e Applicazioni, 1993 Article dans une revue hal-01719114v1
Lifetime prediction of structures in anisothermal viscoplasticity coupled to damage J. Lemaitre,Ahmed Benallal,D. Marquis Nuclear Engineering and Design, 1992, 133 (3), pp.345 - 360. ⟨10.1016/0029-5493(92)90161-N⟩ Article dans une revue istex hal-01718538v1
Continuum damage mechanics and local approach to fracture: Numerical procedures Ahmed Benallal,R. Billardon,J. Lemaitre Computer Methods in Applied Mechanics and Engineering, 1991, 92 (2), pp.141 - 155. ⟨10.1016/0045-7825(91)90236-Y⟩ Article dans une revue istex hal-01718284v1
Quelques remarques sur le rôle du couplage thermomécanique dans les phénomènes de localisation. (Some remarks on the role of thermo- mechanical couplings in localization phenomena) Ahmed Benallal Comptes rendus de l’Académie des sciences. Série 2, 1991 Article dans une revue hal-01719115v1
Validation of structural computation codes in elastoviscoplasticity Ahmed Benallal,P. Chabrand,M. Ghazouane,M. Chaudonneret,J. Culiéet al. International Journal for Numerical Methods in Engineering, 1990, 29 (5), pp.1109-1130. ⟨10.1002/nme.1620290514⟩ Article dans une revue istex hal-01718554v1
Sur le problème en vitesses pour les solides élasto-viscoplastiques endommageables en présence de zone rompue. (On the rate boundary value problem for elastic-viscoplastic damageable solids containing a ruptured zone) Ahmed Benallal,G. Geymonat Comptes rendus de l’Académie des sciences. Série 2, 1990 Article dans une revue hal-01719122v1
Phénomènes de localisation à la frontière d’un solide. (Localization phenomena at the boundary of solids) Ahmed Benallal,R Billardon,G. Geymonat Comptes rendus de l’Académie des sciences. Série 2, 1990 Article dans une revue hal-01719119v1
Conditions de bifurcation à l’intérieur et aux frontière pour une classe de matériaux non-standards. (Bifurcation conditions inside and at the boundary for a class of non-standard materials) Ahmed Benallal,R. Billardon,G. Geymonat Comptes rendus de l’Académie des sciences. Série 2, 1989 Article dans une revue hal-01719123v1
An experimental investigation of cyclic hardening of 316 stainless steel and of 2024 aluminium alloy under multiaxial loadings Ahmed Benallal,P. Le Gallo,D. Marquis Nuclear Engineering and Design, 1989, 114 (3), pp.345 - 353. ⟨10.1016/0029-5493(89)90112-X⟩ Article dans une revue istex hal-01718278v1
Effects of non‐proportional loadings in cyclic elasto‐viscoplasticity: experimental, theoretical and numerical aspects Ahmed Benallal,D. Marquis Engineering Computations, 1988, 5 (3), pp.241 - 247. ⟨10.1108/eb023742⟩ Article dans une revue hal-01718595v1
An integration algorithm and the corresponding consistent tangent operator for fully coupled elastoplastic and damage equations Ahmed Benallal,René Billardon,Issam Doghri Communications in Applied Numerical Methods, 1988, 4 (6), pp.731 - 740. ⟨10.1002/cnm.1630040606⟩ Article dans une revue istex hal-01718276v1
Constitutive Equations for Nonproportional Cyclic Elasto-Viscoplasticity Ahmed Benallal,D. Marquis Journal of Engineering Materials and Technology, 1987, 109 (4), ⟨10.1115/1.3225985⟩ Article dans une revue hal-01718246v1
On the stability of some time-integration schemes in quasi-static hardening elasto-viscoplasticity Ahmed Benallal Engineering Analysis, 1987, 4 (2), pp.95 - 99. ⟨10.1016/0264-682X(87)90019-0⟩ Article dans une revue istex hal-01718531v1
Sur une formulation variationnelle à deux champs en élasticité couplée à l’endommagement. (A two-field variational formulation in elasticity coupled to damage) Ahmed Benallal,Julio Florez-Lopez,Giusepe Geymonat Comptes rendus de l’Académie des sciences. Série 2, 1987 Article dans une revue hal-01719125v1
Structural analysis in quasi‐static elasto‐viscoplasticity Ahmed Benallal Engineering Computations, 1986, 3 (4), pp.323 - 330. ⟨10.1108/eb023674⟩ Article dans une revue istex hal-01718439v1