Litcius/Paper detail

Fractional order model of micropolar thermoelasticity and 2D half-space problem

Hany H. Sherief, Eman M. Hussein

2022Acta Mechanica16 citationsDOIOpen Access PDF

Abstract

Abstract In this manuscript, the generalized micropolar theory of thermoelasticity is modified using fractional calculus. The revised equations are used to solve a problem for a half-space whose boundary is rigidly fixed and subjected to an axisymmetric thermal shock. Laplace and Hankel transform techniques are used. The analytical solution in the transform domain is obtained by using a new direct approach without the customary use of potential functions. By using a numerical method based on the Fourier expansion technique, the inverse of the double transform can be obtained. The numerical results for displacement, microrotation, stress, micro-stress, and temperature are obtained and represented graphically. Comparisons are made with the results of the older theory.

Topics & Concepts

Laplace transformMathematicsHankel transformMathematical analysisFractional calculusSolid mechanicsRotational symmetryBoundary value problemHalf-spaceFourier transformSpace (punctuation)Integral transformThermal shockDomain (mathematical analysis)GeometryPhysicsThermodynamicsPhilosophyLinguisticsThermoelastic and Magnetoelastic PhenomenaNumerical methods in engineeringNonlocal and gradient elasticity in micro/nano structures