B. Sérier

Université Djilali de Sidi Bel Abbès

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B. Bachir Bouiadjra

Université Djilali de Sidi Bel Abbès

M. Belhouari

Université Djilali de Sidi Bel Abbès

Smaïl Benbarek

Université Djilali de Sidi Bel Abbès

Hamida Fekirini

Université Djilali de Sidi Bel Abbès

Belaïd Mechab

Université Djilali de Sidi Bel Abbès

T. Achour

Université Djilali de Sidi Bel Abbès

Farida Bouafia

Université de ain Témouchent

Djamel Ouinas

Université de Mostaganem

Ali Merdji

Université Mustapha Stambouli de Mascara

Bénali Boutabout

Université Djilali de Sidi Bel Abbès

Cooperative Institutions

Université Djilali de Sidi Bel Abbès

100

Laboratory of Mechanics Physics of Materials

Centre National de la Recherche Scientifique

Université Mustapha Stambouli de Mascara

Université de Lille

Université de Mostaganem

École Nationale Polytechnique d'Oran

Université de ain Témouchent

Laboratoire de Mécanique des Fluides de Lille - Kampé de Fériet

Université des Sciences et de la Technologie d'Oran Mohamed Boudiaf

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Using CZM and XFEM to predict the damage to aluminum notched plates reinforced with a composite patch

Journal of mechanics of materials and structures (2020)

Mohammed Amine Bellali Mohamed Mokhtari Habib Benzaama Hamida Fekirini B. Sérier

Cohesive zone model

10.2140/jomms.2020.15.185

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Citations (15)

Numerical Analysis Of BI-material Interface Notch Crack Behaviour

WIT transactions on engineering sciences (2001)

B. Bachir Bouiadjra M. Belhouari M. Benguediab B. Sérier

Interface (matter)

10.2495/con010071

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Citations (1)

Effects of dynamic loading on the mechanical behavior of total hip prosthesis

Journal of Biomechanical Science and Engineering (2015)

Djilali Charef B. Sérier

Upon the arrival of the osteosynthesis, technological advancement has revolutionized the orthopedic surgery, producing increasingly efficient prostheses. Nevertheless, it turns out that over the years of lifetime these orthopedic implants presents complications in vivo. This requires in most cases a reoperation. To improve the total hip replacement lifetime it is imperative to investigate the effects of dynamic loading on the replaced joint. For this reason, we initially studied the mechanical behavior of their different components, according to the nature of hip's movements, the exerted forces on the femoral head and particularly the muscular forces acting on hip-femur system. Then, we performed numerical simulations of a femur carrying a cemented hip prosthesis type (CMK3), the boundary conditions used in the simulations are identical to those applied in vivo during the daily activities.

Osteosynthesis

Dynamic hip screw

Biomechanics

10.1299/jbse.15-00115

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Citations (3)

Analyse numérique tridimensionnelle de la nocivité des défauts dans les conduites en polypropylène

Revue des composites et des matériaux avancés (2009)

L. Aminallah G. Mesmacque B. Sérier

10.3166/rcma.19.39-53

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Probabilistic Elastic-plastic Fracture Mechanics Analysis of Propagation of Cracks in Pipes under Internal Pressure

Frattura ed Integrità Strutturale (2020)

Belaïd Mechab Malika Medjahdi Mokadem Salem B. Sérier

This study presents a three dimensional finite element method analysis of semi-elliptical surface cracks in pipes under internal pressure load. In the elastic–plastic case, estimates of the J-integral are presented for various ratios including crack depth to pipe thickness (a/t) and strain hardening index in the (R-O) Ramberg-Osgood (n). Finally, failure probability is accessed by a statistical analysis for uncertainties in loads and material properties, and structural reliability and crack size. The Monte Carlo method is used to predict the distribution function of the mechanical response. According to the obtained results, we note that the stress variation and the crack size are important factors influencing on the distribution function of (J/Je).

Internal pressure

Strain hardening exponent

10.3221/igf-esis.54.15

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Citations (19)

Numerical simulation of the femur fracture with and without prosthesis under static loading using extended finite element method (X-FEM) / Zagane Mohammed El Sallah … [et al.]

Zagane Mohammed El Sallah Benbarek Ismail Ali Benouis Abderahmen Sahli Bachir Bouiadjra Bel Abbes

The strength of the bone depends on its mineralization state and its geometry, which depend on the loads supported. Thus the bone optimizes its mass and its geometry through the process of remodeling and improves its lift. This phenomenon can be altered by metabolic imbalances such as fall or trauma. The result is fractures, the most important of which are the proximal femur. The direct consequence of this type of fracture is the replacement of the joint by a Total Hip Prosthesis (PTH). The number of prosthetic implantations continues to increase given the longer life expectancy of patients.. This study is to compare the modeling to identify regions of fracture risk of femur and after the location of the total hip prosthesis (THP) by the extended finite element method (X-FEM) under static stress for a deferent orientation loading and for two materials (isotropic / orthotropic). The results show that the distribution of von mises stresses in the components of the femoral arthroplasty depends on the material and the design of the stem and show that the vertical loading leads to fracture of the femoral neck and the horizontal loading leads to the fracture of diaphysis femoral. The isotropic consideration of bone leads to bone fracture by propagation of the fissure, but the orthotropic consideration leads to the fragmentation of the bone. This modeling will help to improve the design of the indoor environment to be safer for the means of passenger transport.

Orthotropic material

Diaphysis

Biomechanics

Source

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Citations (1)

Numerical analysis of the behaviour of repaired inclined cracks with bonded composite patch having two adhesive bands in aircraft structures

Proceedings of the Institution of Mechanical Engineers Part G Journal of Aerospace Engineering (2008)

B. Bachir Bouiadjra Hamida Fekirini M. Belhouari B. Sérier

Adhesive in bonded composite repair plays two opposite roles. The first role ensures the load transfer between the composite patch and the cracked aluminium component. The second ensures the connection between these two structures in order to avoid adhesive failure. In this study, a method of adhesive deposition for repair is proposed, it divides the adhesive layer into two bands with different properties. The first band is used on the crack region to ensure stress transfer and the second is used beyond the crack region to avoid adhesive failure. The case of mixed mode loading (inclined crack) has been studied. The mode I and mode II stress intensity factors (SIFs) at the crack tip are computed for this repair configuration using the finite-element method. The obtained results show that the two SIFs at the crack tip are considerably reduced by the difference of properties between the two adhesive bands, which can improve the fatigue life of cracked structures.

Mode (computer interface)

10.1243/09544100jaero370

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Citations (6)

Numerical prediction of the ductile damage for axial cracks in pipe under internal pressure

Frattura ed Integrità Strutturale (2021)

Amina Ismahène Fezazi Belaïd Mechab Mokadem Salem B. Sérier

This study presents a numerical prediction of the ductile damage for axial cracks in pipe subjected to internal pressure. The three dimensional finite element methods used to evaluate the J-integral. The effect of the external radius (Rext),the thickness (t), length crack (a) , the applied loads (P) and the crack position of the pipes has studied. The Monte Carlo method was used to determine the probabilistic characteristics of the J-integral. It’s also used later to predict the failure probability based on initiation of the crack growth. We note that the crack size and the geometries of the pipe are an important factor influencing on the durability of the pipe.

Internal pressure

10.3221/igf-esis.58.17

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Citations (3)

Finite element analysis of the thermomechanical behavior of metal matrix composites (MMC)

Frattura ed Integrità Strutturale (2019)

Baghdadi Mohammed Zaoui Zaoui Bouchra B. Sérier Mohammed Belhouari

In this work the finite element method (FEM) was used to analyze the mechanical behavior of the composite materials subjected to the mechanical loading. This behavior is studied in terms of stress intensity factor variation as a function of the applied stress intensity. The residual stresses induced in the composites, during the elaboration of these composites are taken into consideration in this study. The superimposition of these types of stresses (residuals and commissioning) is simulated here by thermomechanical stresses. The results obtained show that in the vicinity very close to the fiber-matrix interface and under the effect of this loading type, the matrix cracks propagate in modes I, II and III, and far from the interface, in mode I. The propagation kinetics is slowed down by the interface-crack interaction. The effects of the crack size, the orientation and propagation of the crack, commissioning stresses, the elaboration temperature, fiber physical properties, matrix stiffness and thermomechanical stresses have been highlighted in this work.

Matrix (chemical analysis)

10.3221/igf-esis.51.14

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Citations (1)

Numerical analysis of the crack behavior interface-fiber: interfacial crack

Material Science & Engineering International Journal (2019)

Sara Ramdoum B. Sérier

Background: Numerous studies have been conducted on composite materials, concerning development at the microscopic scale.In addition, the elaboration of composites at relatively high temperatures leads to very localized residual stresses in the fiber and the matrix in the neighborhood very close to their interface.These shear stresses put the fiber in compression and the matrix in tension.The objective of this work is to analyze the behavior of cracks initiated in the interface of a unidirectional ceramic fiber-reinforced composite and to study, in three dimensions by the finite element method, the effect of these constraints on the crack behavior appeared in this composite.This behavior is analyzed in terms of stress variation intensity factors in modes I, II and III.The effect of several parameters has been studied.

Interface (matter)

10.15406/mseij.2019.03.00107

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