ibrabbas7

Prof. Dr. Ibrahim A. Abbas

Professor - Department of Mathematics

Faculty of science

Address: Sohag University, Egypt.

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Publications Which contain the keyword: anisotropic

A study of generalized thermoelastic interaction in an infinite fibre-reinforced anisotropic plate containing a circular hole

2018-10-02 08:30:47 Keywords anisotropic, fibre-reinforced, circular hole, Thermoelasticity, finite element method,
A study of generalized thermoelastic interaction in an infinite fibre-reinforced anisotropic plate containing a circular hole
Materials such as resins reinforced by strong aligned fibres exhibit highly anisotropic elastic behaviour in a sense that their elastic moduli for extension in the fibre direction are frequently of the order of 50 or more times greater than their elastic moduli in transverse extension or in shear. The mechanical behaviour of many fibre-reinforced composite materials is adequately modelled by ... Read more

Three-phase lag model on thermoelastic interaction in an unbounded fiber-reinforced anisotropic medium with a cylindrical cavity

2018-10-02 16:03:22 Keywords Three-phase lag model, Fiber-Reinforced, anisotropic,
Three-phase lag model on thermoelastic interaction in an unbounded fiber-reinforced anisotropic medium with a cylindrical cavity
The present investigation deals with the thermoelastic interaction in an unbounded fiber-reinforced anisotropic medium with a cylindrical cavity. The three-phase-lag (3PL) thermoelastic model and Green and Naghdi model (GNIII) are employed to study the thermophysical quantities. In the threephase-lag model, the equation of heat conduction a containing fourth order derivative with respect to time. The cavity surface is subjected to ... Read more

Effect of initial stress on a fiber-reinforced anisotropic thermoelastic thick plate

2018-10-02 08:26:46 Keywords thick plate, thermoelasti, anisotropic, Fiber-Reinforced, initial stress,
Effect of initial stress on a fiber-reinforced anisotropic thermoelastic thick plate
The two-dimensional problem of generalized thermoelasticity for a fiber-reinforced anisotropic thick plate under initial stress is studied in the context of the Lord and Shulman theory. The upper surface of the plate is thermally insulated with prescribed surface loading while the lower surface of the plate rests on a rigid foundation and temperature. The problem is solved numerically using a ... Read more

Thermal shock problem for a fiber-reinforced anisotropic half-space placed in a magnetic field via GN model

2018-10-02 16:30:55 Keywords magnetic field, Thermal shock, anisotropic, Fiber-Reinforced,
Thermal shock problem for a fiber-reinforced anisotropic half-space placed in a magnetic field via GN model
The generalized magneto-thermoelasticity theory, based on Green–Naghdi model, is used to study the thermal shock problem of a fiber-reinforced anisotropic half-space. The solid half-space deforms because of thermal shock, and due to the application of the magnetic field. Maxwell’s equations are formulated and the generalized coupled governing equations are derived. Finite element method with the Laplace transform technique is used ... Read more

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