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Research Journal of Engineering and Technology
Year : 2017, Volume : 8, Issue : 4
First page : ( 405) Last page : ( 413)
Print ISSN : 0976-2973. Online ISSN : 2321-581X.
Article DOI : 10.5958/2321-581X.2017.00071.X

Effect of Impedance Boundary on Reflection of Plane Waves from free Surface of a Rotating Thermoelastic Solid Half Space

Singh Baljeet1,*, Yadav Anand Kumar2, Kaushal Sachin2

1Department of Mathematics, Post Graduate Government College, Sector 11, Chandigarh, India

2Department of Mathematics, Maharishi Markandeshwar University, Mullana, Ambala, Haryana, India

*Corresponding Author Email: bsinghgc11@gmail.com

Online published on 24 May, 2018.


The coupled partial differential equations governing a rotating thermoelastic medium in context of Lord and Shulman theory are solved for plane wave solutions. A cubic velocity equation is obtained, which correspond to the speeds of propagation of three coupled plane waves. A reflection phenomenon is considered in a rotating thermoelastic solid half-space for incidence of a coupled plane wave. The plane surface of the half-space is subjected to impedance boundary conditions, where normal and tangential tractions are proportional to normal and tangential displacement components time frequency, respectively. The expressions for energy ratios of all reflected waves are obtained and computed numerically for a particular material representing the medium. The dependence of energy ratios on rotation parameter, impedance parameters and angle of incidence is shown graphically.



Generalized thermoelasticity, Impedance boundary, Reflection, Energy ratios, Rotation.


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