M. MOHAMED Latrache

MCB

Directory of teachers

Department

Departement of MECHANICAL ENGINEERING

Research Interests

Specialized in Departement of MECHANICAL ENGINEERING. Focused on academic and scientific development.

Contact Info

University of M'Sila, Algeria

Email : mohamed.latrache@univ-msila.dz

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Recent Publications

2021-12-01

Three-dimensional seismic analysis of concrete gravity dams considering foundation flexibility

Concrete dams are considered as complex construction systems that play a major role in the context of both economic and strategic utilities. Taking into account reservoir and foundation presence in modeling the damreservoir-foundation interaction phenomenon leads to a more realistic evaluation of the total system behavior. The article discusses the dynamic behavior of dam-reservoirfoundation system under seismic loading using Ansys finite element code. Oued Fodda concrete dam, situated at Chlef, in North-West of Algeria, was chosen as a case study. Parametric study was also performed for different ratios between foundation Young’s modulus and dam Young’s modulus Ef/Ed (which varies from 0.5 to 4). Added mass approach was used to model the fluid reservoir. The obtained results indicate that when dam Young’s modulus and foundation Young’s modulus are equal, the foundation soil leads to less displacements in the dam body and decreases the principal stresses as well as shear stresses.
Citation

M. MOHAMED Latrache, (2021-12-01), "Three-dimensional seismic analysis of concrete gravity dams considering foundation flexibility", [national] MCT Mech. Eng , MCT Mech. Eng

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2020-04-10

Active Control Vibration of a Smart Composite Plate for various Boundary Conditions

In this paper, the finite element formulation of the classical laminated plate with embedded piezoelectric patches is based on the first order shear deformation theory (FSDT) and Hamilton’s principle, in this formulation the mass and stiffness of the piezoelectric have been taken into account. The formulation results in a coupled finite element model with mechanical (displacements) and electrical (charges at electrodes) degrees of freedom. The use of the piezoelectric actuator and sensor
Citation

M. MOHAMED Latrache, (2020-04-10), "Active Control Vibration of a Smart Composite Plate for various Boundary Conditions", [national] Turkish Journal of Computer and Mathematics Education (TURCOMAT) , Turkish Journal of Computer and Mathematics Education (TURCOMAT)

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2018-10-01

Effect of the Thickness of the Piezoelectric Patches on the Active Control of a Thin Plate

This paper presents a numerical study pertaining to on the active vibration control (AVC) of the 3-D rectangle simply supported plate bonded of the piezoelectric sensor/actuator pairs. A LQR controller is designed based on the independent mode space control techniques to stifle the vibration of the system. The change in the thickness of the patches was a clear impact on the control results, and also in the values of the voltage in actuator. The results were established by simulating in ANSYS and MATLAB.
Citation

M. MOHAMED Latrache, (2018-10-01), "Effect of the Thickness of the Piezoelectric Patches on the Active Control of a Thin Plate", [national] Mechanics and Mechanical Engineering , Mechanics and Mechanical Engineering

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2017-03-10

The LQR control active of smart plate based on the finite element method

This paper presents a numerical study pertaining to on the active vibration control (AVC) of the 3-D rectangle simply supported plate bonded of the piezoelectric sensor/actuator pairs. AVC is a large area of interest either in all sections of industry or in research. One way to control the vibration of dynamic systems is by using piezoelectric materials. A finite element method (FEM) analysis is used to model the dynamic behavior of the system. The frequencies of the isotropic pate and a smart structure are verified by the comparison between the analytical calculations and simulation. A LQR controller is designed based on the independent mode space control techniques to stifle the vibration of the system. The change in the sizes of the patches was a clear impact on the control results, and also in the values of the voltage in actuator. The results were established by simulating in ANSYS and MATLAB.
Citation

M. MOHAMED Latrache, (2017-03-10), "The LQR control active of smart plate based on the finite element method", [national] Periodica Polytechnica Mechanical Engineering , Periodica Polytechnica Mechanical Engineering

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