- Tunisia
chawki tahri
Ecole Nationale d'Ingénieurs de Tunis (ENIT), Genie Mécanique, Faculty Member
- Continuum Mechanics, Mechanical Behavior Of Materials, Finite Element Methods, Fractography, Génie Mécanique, Plates and shells, and 67 moreBlast and impact engineering, GESTION DE PRODUCTION, North Africa, Aerospace structural design, Cubesat Satellite Development, Shape Memory Alloys, Moriscos, Computed Tomography, Meshfree Methods, Stress corrosion cracking, Magnesium, Alumina, Fatigue crack growth, Graphite, High Temperature Ceramics, Digital Image Correlation, Crack propagation, Fatigue, Fracture Mechanics, Cellular Automata, Nuclear Energy, Stainless Steel, Carbon, Microstructure and Grain Boundary Engineering, Steel Structures, Corrosion Engineering, J integral, Corrosion Science, Aeronautical, Materials, Nuclear Materials, Materials Engineering, Scanning Acoustic Microscopy, Sensitivity Analysis, Duplex Stainless Steels, Residual Stress (Engineering), Nuclear Graphite, Austenitic stainless steel, Failure Analysis, Space Propulsion, Finite Volume Methods, Ceramic Engineering, ABOUT THE Analysis of failure modes and effects analysis (FMEA) Oraganisationnelle, Coin Hoards, Mechanical Properties of Materials, Plasma Engineering, Numerical and Experimental Methods in Fluid Dynamics, Integrated Cad/CAE Systems, Composite, Plasticity, Genie Mecanique, Finite-Difference Methods, Aeronautics and aerospace, Mediterranean and North Africa, Smoothed Particle Hydrodynamics, Piping, Middle Eastern History, Low Speed Aerodynamics, Genie Industriel, Kinematics of Machines, Turbulence Modelling, Sephardic Studies, Crystal Plasticity, portable XRF (PXRF) in Archaeology and Museum Science, Rocket Propulsion, Simulation Using Abaqus, and Finite Element Simulationsedit
security is the biggest problem of all the oil industry, this problem of the erosion of pipe lines or joints, has been mainly studied by the industrial community through speci c tools or collaborations with specialized institutes .. On... more
security is the biggest problem of all the oil industry, this problem of the erosion of pipe lines or joints, has been mainly
studied by the industrial community through speci c tools or collaborations with specialized institutes .. On the one hand,
the erosion phenomenon, directly in uenced by the chemistry is well described in terms of in uential parameters and a
large number of experiments were used to determine their eects. It mainly aects low-alloy steels and non-nuclear circuits
composing. The oil industry is not immune to this type of degradation.
Among the most in uential parameters, we must remember the temperature, the thermodynamic state of the aqueous
uid and circulation speed, the nature of materials. Other parameters modulate the longer term sensibility, like chemistry
and geometry of the components.
On the other hand, and despite their behavioral nonlinearity, elastomers are pervasive in the industry. They depend on
several parameters including temperature and stress history. Therefore, they will be the subject of this report which we
propose to numerically simulate the hyper-viscoelastic behavior of a seal subjected to uniaxial compression in order to
study their function of temperature responses, friction and viscoelasticity. To do this, a nite element calculation is in
support with an incremented model Abaqus. The purpose of the modeling is to optimize the working conditions of the
joints thus ensuring an e cient seal.
studied by the industrial community through speci c tools or collaborations with specialized institutes .. On the one hand,
the erosion phenomenon, directly in uenced by the chemistry is well described in terms of in uential parameters and a
large number of experiments were used to determine their eects. It mainly aects low-alloy steels and non-nuclear circuits
composing. The oil industry is not immune to this type of degradation.
Among the most in uential parameters, we must remember the temperature, the thermodynamic state of the aqueous
uid and circulation speed, the nature of materials. Other parameters modulate the longer term sensibility, like chemistry
and geometry of the components.
On the other hand, and despite their behavioral nonlinearity, elastomers are pervasive in the industry. They depend on
several parameters including temperature and stress history. Therefore, they will be the subject of this report which we
propose to numerically simulate the hyper-viscoelastic behavior of a seal subjected to uniaxial compression in order to
study their function of temperature responses, friction and viscoelasticity. To do this, a nite element calculation is in
support with an incremented model Abaqus. The purpose of the modeling is to optimize the working conditions of the
joints thus ensuring an e cient seal.
Research Interests:
tous qui concerne la modelisation des elements finis et la mecaniques non linéaire
Research Interests:
In Spite of their nonlinear behavior, elastomers are predominant in the industry. The analysis of the interaction occurring between the rubber and its environment requires in-depth knowledge of a large number of parameters on which it... more
In Spite of their nonlinear behavior, elastomers are predominant in the industry. The analysis of the interaction occurring between the rubber and its environment requires in-depth knowledge of a large number of parameters on which it depends, such as strain rate, temperature and strain amplitude Therefore, both a one-term incompressible Mooney-Rivlin-type hyperelastic model and a Prony series are adopted to describe the mechanical response of a sealing ring under axial compression. In order to optimize the working conditions, thus ensuring an efficient sealing, a finite element procedure for modeling is highlighted with a model increment in Abaqus.