Zobrazeno 1 - 10
of 1 045
pro vyhledávání: '"Haddar Mohamed"'
Autor:
Karmi Bilel, Saouab Abdelghani, Guerine Ahmed, Bouaziz Slim, EL Hami Abdelkhalak, Haddar Mohamed, Dammak Khalil
Publikováno v:
Mechanics & Industry, Vol 25, p 16 (2024)
This paper describes a multi-objective reliability-based design optimization (MORBDO) of a two-stage wind turbine gearbox. The optimization process incorporates the gear's reliability of accounting for the uncertainty of its internal geometric parame
Externí odkaz:
https://doaj.org/article/82abdf81796d403a8608bb9367c10467
Publikováno v:
Acta Acustica, Vol 6, p 60 (2022)
This article presents a method for identifying the parameters of a simplified 2 degree of freedom model representative of a linear primary system coupled to a non-linear absorber in a forced harmonic regime over a wide range of amplitudes and forcing
Externí odkaz:
https://doaj.org/article/8b03f77c431d440a9b8383fb8a766144
Autor:
Abid Fatma, Elhami Abdelkhalak, Merzouki Tarek, Trabelsi Hassen, Walha Lassaad, Haddar Mohamed
Publikováno v:
International Journal for Simulation and Multidisciplinary Design Optimization, Vol 10, p A7 (2019)
This paper proposes a methodology for taking into consideration uncertainties based on polynomial chaos (PC). The proposed approach is used in order to determine the response of Cu-Al-Zn-Mn shape memory alloy specimen with uncertainties associated to
Externí odkaz:
https://doaj.org/article/75765f109c014fcb8ed12cdf7fb801ad
Autor:
Ben Ameur Mariem, Rebiere Jean-Luc, El Mahi Abderrahim, Beyaoui Moez, Abdennadher Moez, Haddar Mohamed
Publikováno v:
MATEC Web of Conferences, Vol 283, p 03003 (2019)
The purpose of the present experimental study is to describe the damage mechanisms occurring in epoxy matrix composites reinforced with hybrid carbon-flax fibres. The samples tested were consist of unidirectional carbon and flax fibre plies with diff
Externí odkaz:
https://doaj.org/article/790791f723c0452d8fb95f62faeabb0e
Autor:
Essassi Khawla, Rebiere Jean-Luc, El Mahi Abderrahim, Toure Mahamane, Ben Souf Mohamed amine, Bouguecha Anas, Haddar Mohamed
Publikováno v:
MATEC Web of Conferences, Vol 283, p 09004 (2019)
This paper describes the flexural vibration and damping performances of an eco-composite sandwich structure with re-entrant honeycomb core. The main objective of this study is to analyse the effect of flax fibre reinforcement composite and the densit
Externí odkaz:
https://doaj.org/article/b92dc415380c41148e24cb7bf9b4e890
Autor:
Abid Fatma, El Hami Abdelkhalak, Merzouki Tarek, Trabelsi Hassen, Walha Lassaad, Haddar Mohamed
Publikováno v:
MATEC Web of Conferences, Vol 261, p 02001 (2019)
L’objectif de l’optimisation fiabiliste (RBDO) est de trouver le meilleur compromis entre la sécurité et le coût. Plusieurs méthodes, telles que la méthode hybride (HM) et la méthode des facteurs optimaux de sûreté (OSF), sont développé
Externí odkaz:
https://doaj.org/article/f0f4f846982e424eb5a3d63519ddb3b1
Publikováno v:
Oil & Gas Science and Technology, Vol 74, p 21 (2019)
The study of the cooling system of a Liquefied Natural Gas (LNG) storage tank is vital for the safety of the installation. The objective of this paper is to develop cooling baffles capable of reducing the heat gain from the environment leading to a l
Externí odkaz:
https://doaj.org/article/092b5021268c4a74a1a013ab03cfdcba
Publikováno v:
MATEC Web of Conferences, Vol 241, p 01013 (2018)
A mechanical periodic structure in presence of component perturbations can be a seat of a localization of vibration energy. In fact, it is well known that mistuned components have larger response levels than those of perfect components. This results
Externí odkaz:
https://doaj.org/article/7d4a9620a9a449cc992d443d7a266b7a
Publikováno v:
MATEC Web of Conferences, Vol 241, p 01003 (2018)
Vibration energy harvesting by exploiting the multimodal approach in a quasi-periodic system is proposed. The quasi-periodic system, based on electromagnetic transduction, consists of two weakly coupled magnets mechanically guided by two elastic beam
Externí odkaz:
https://doaj.org/article/43f6b4c604854cf7b2a55be343846145
Publikováno v:
International Journal for Simulation and Multidisciplinary Design Optimization, Vol 5, p A13 (2014)
This paper addresses the problem of determining the minimum clamping forces that ensure the dynamic fixturing stability. The clamping force optimization problem is formulated as a bi-level nonlinear programming problem and solved using a computationa
Externí odkaz:
https://doaj.org/article/bb94df96ff6f4c098cbb9592b866c0e5