Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Patrice Longère"'
Publikováno v:
Defence Technology, Vol 29, Iss , Pp 24-38 (2023)
A methodology is developed based on the coupling of a finite element code with an optimisation module for the design of land vehicle armouring composed of lightweight aluminium alloy and high strength steel plate. Following an experiment/simulation c
Externí odkaz:
https://doaj.org/article/92a6336658e84cacba6c8221fa9b5337
Publikováno v:
Advances in Materials and Processing Technologies
Advances in Materials and Processing Technologies, 2022, pp.1-19. ⟨10.1080/2374068X.2022.2077524⟩
Advances in Materials and Processing Technologies, 2022, pp.1-19. ⟨10.1080/2374068X.2022.2077524⟩
International audience; The present study aims at studying the influence of some parameters on the numerical results obtained from the simulation of the high-speed machining process using a commercial finite element computation code, namely Abaqus-Ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::088187feddabdf65a9db0722b64cdbef
https://hal.science/hal-03689063
https://hal.science/hal-03689063
Publikováno v:
DYMAT 2021-13th International Conference on Mechanical and Physical Behaviour of Materaisl Under Dynamic Loading-Madrid (Spain)-Sept.19-24, 2021
DYMAT 2021-13th International Conference on Mechanical and Physical Behaviour of Materaisl Under Dynamic Loading-Madrid (Spain)-Sept.19-24, 2021, Sep 2021, Madrid, Spain. ⟨10.1051/epjconf/202125001013⟩
EPJ Web of Conferences, Vol 250, p 01013 (2021)
DYMAT 2021-13th International Conference on Mechanical and Physical Behaviour of Materaisl Under Dynamic Loading-Madrid (Spain)-Sept.19-24, 2021, Sep 2021, Madrid, Spain. ⟨10.1051/epjconf/202125001013⟩
EPJ Web of Conferences, Vol 250, p 01013 (2021)
A new experimental set-up mounted at the muzzle of a singlestage gas gun has been designed in order to study the fragmentation of metallic rings under dynamic radial expansion. This concept takes advantage of the quasi-incompressibility of HDPE whose
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20a827f69b5d2357c8697e99c8845848
https://hal.science/hal-03351089/document
https://hal.science/hal-03351089/document
Publikováno v:
ICTAM 2020+1 Virtual, 25th International Congress of Theoretical and Applied Mechanics, Milano (Italie), 23-27 Aug. 2021
ICTAM 2020+1 Virtual, 25th International Congress of Theoretical and Applied Mechanics, Milano (Italie), 23-27 Aug. 2021, Aug 2021, Milano, Italy
HAL
ICTAM 2020+1 Virtual, 25th International Congress of Theoretical and Applied Mechanics, Milano (Italie), 23-27 Aug. 2021, Aug 2021, Milano, Italy
HAL
International audience; Following an extensive experimental campaign carried out on a cold-rolled Ti-6Al-4V titanium alloy grade within a wide range of (low and high) strain rate, temperature and loading cases (tension, compression, shear), an advanc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5b5afeca27a3f8e955d0736c4396c167
https://hal.archives-ouvertes.fr/hal-03324788
https://hal.archives-ouvertes.fr/hal-03324788
Autor:
Patrice Longère
Publikováno v:
Mechanics Research Communications
Mechanics Research Communications, 2019, 95, pp.61-66. ⟨10.1016/j.mechrescom.2018.12.001⟩
Mechanics Research Communications, Elsevier, 2019, 95, pp.61-66. ⟨10.1016/j.mechrescom.2018.12.001⟩
Mechanics Research Communications, 2019, 95, pp.61-66. ⟨10.1016/j.mechrescom.2018.12.001⟩
Mechanics Research Communications, Elsevier, 2019, 95, pp.61-66. ⟨10.1016/j.mechrescom.2018.12.001⟩
The aim of the present work is to present two operational numerical methods allowing for integrating rate constitutive equations accounting for large strains and rotations. Both methods can be applied in the development of home-made computation codes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ae749f4865ba16d7b6e193aa50f0c53
https://doi.org/10.1016/j.mechrescom.2018.12.001
https://doi.org/10.1016/j.mechrescom.2018.12.001
Publikováno v:
Engineering Fracture Mechanics
Engineering Fracture Mechanics, Elsevier, 2021, 243, pp.107498. ⟨10.1016/j.engfracmech.2020.107498⟩
Engineering Fracture Mechanics, 2021, 243, pp.107498. ⟨10.1016/j.engfracmech.2020.107498⟩
Engineering Fracture Mechanics, Elsevier, 2021, 243, pp.107498. ⟨10.1016/j.engfracmech.2020.107498⟩
Engineering Fracture Mechanics, 2021, 243, pp.107498. ⟨10.1016/j.engfracmech.2020.107498⟩
International audience; The present work pertains to the numerical prediction of the current residual strength of large metallic engineering structures when submitted to accidental overloads. In this context, is developed a unified 3D numerical metho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2020e8930df27caa286334971a3ec5c1
https://hal.archives-ouvertes.fr/hal-03110423
https://hal.archives-ouvertes.fr/hal-03110423
Publikováno v:
EPJ Web of Conferences, Vol 250, p 04001 (2021)
DYMAT 2021-13th International Conference on Mechanical and Physical Behaviour of Materaisl Under Dynamic Loading-Madrid (Spain)-Sept.19-24, 2021
DYMAT 2021-13th International Conference on Mechanical and Physical Behaviour of Materaisl Under Dynamic Loading-Madrid (Spain)-Sept.19-24, 2021, Sep 2021, Madrid, Spain. ⟨10.1051/epjconf/202125004001⟩
DYMAT 2021-13th International Conference on Mechanical and Physical Behaviour of Materaisl Under Dynamic Loading-Madrid (Spain)-Sept.19-24, 2021
DYMAT 2021-13th International Conference on Mechanical and Physical Behaviour of Materaisl Under Dynamic Loading-Madrid (Spain)-Sept.19-24, 2021, Sep 2021, Madrid, Spain. ⟨10.1051/epjconf/202125004001⟩
International audience; The complexity of ballistic protections increases with their efficiency. On this basis, an exclusively empirical approach is not adapted to optimise complex protection systems and the resort to numerical simulations is preferr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f5dc31a010fd5c0274805a2cde92e17
https://www.epj-conferences.org/articles/epjconf/pdf/2021/04/epjconf_dymat2021_04001.pdf
https://www.epj-conferences.org/articles/epjconf/pdf/2021/04/epjconf_dymat2021_04001.pdf
Publikováno v:
International Journal of Damage Mechanics
International Journal of Damage Mechanics, SAGE Publications, In press, ⟨10.1177/10567895211036491⟩
International Journal of Damage Mechanics, 2022, 31 (3), pp.374-402. ⟨10.1177/10567895211036491⟩
International Journal of Damage Mechanics, SAGE Publications, In press, ⟨10.1177/10567895211036491⟩
International Journal of Damage Mechanics, 2022, 31 (3), pp.374-402. ⟨10.1177/10567895211036491⟩
An extensive experimental campaign was run to investigate the influence of the loading direction, stress state (triaxiality ratio ranging from −0.5 to 1), and strain rate (from 10−3 to 1.5x103s−1) on the ductile fracture of Ti-6Al-4V titanium a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e79fc665bd97f2885ce1d86485df6674
https://hal.archives-ouvertes.fr/hal-03297311
https://hal.archives-ouvertes.fr/hal-03297311
Publikováno v:
International Journal of Fracture
International Journal of Fracture, Springer Verlag, 2020, pp.219-237. ⟨10.1007/s10704-020-00475-x⟩
International Journal of Fracture, 2020, pp.219-237. ⟨10.1007/s10704-020-00475-x⟩
International Journal of Fracture, Springer Verlag, 2020, pp.219-237. ⟨10.1007/s10704-020-00475-x⟩
International Journal of Fracture, 2020, pp.219-237. ⟨10.1007/s10704-020-00475-x⟩
International audience; The present work aims to investigate experimentally the crack arrest capability and dynamic fracture mechanisms under impact loading of three commercial, rubber-toughened (RT) PMMA grades differing by their rubber nano-particl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4c9fe75e7a03638b28a431ae895a5b3
https://oatao.univ-toulouse.fr/26919/
https://oatao.univ-toulouse.fr/26919/
Publikováno v:
Mechanics Research Communications
Mechanics Research Communications, Elsevier, 2020, 104, pp.103485. ⟨10.1016/j.mechrescom.2020.103485⟩
Mechanics Research Communications, Elsevier, 2020, pp.103485. ⟨10.1016/j.mechrescom.2020.103485⟩
Mechanics Research Communications, 2020, 104, pp.103485. ⟨10.1016/j.mechrescom.2020.103485⟩
Mechanics Research Communications, Elsevier, 2020, 104, pp.103485. ⟨10.1016/j.mechrescom.2020.103485⟩
Mechanics Research Communications, Elsevier, 2020, pp.103485. ⟨10.1016/j.mechrescom.2020.103485⟩
Mechanics Research Communications, 2020, 104, pp.103485. ⟨10.1016/j.mechrescom.2020.103485⟩
International audience; The main issue of the extended finite element method (XFEM) is the numerical integration of the system of equilibrium equations. Indeed, in order to have a correct displacement jump vector, the integration needs to be achieved
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce6dad68db937b42a6f239e59703c483
https://hal.archives-ouvertes.fr/hal-02485656/document
https://hal.archives-ouvertes.fr/hal-02485656/document