Surface waves in a micropolar elastic solid containing voids

The present paper investigates the effect of voids on the propagation of surface waves in a homogeneous micropolar elastic solid medium which contains a distribution of vacuous pores (voids). The general theory for surface wave propagation in micropolar elastic media containing voids has been presen...

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Bibliographic Details
Published inActa geophysica Vol. 54; no. 4; pp. 430 - 452
Main Authors Mondal, Asit, Acharya, Debipada
Format Journal Article
LanguageEnglish
Published Berlin Versita 01.12.2006
Springer Nature B.V
Subjects
couple stress tensor
Geophysics
Love waves
microinertia
microrotation vector
Modulation
Pores
Porosity
Propagation
Rayleigh waves
Surface waves
Velocity
Voids
volume fraction field
Wave propagation
Wave velocity
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Summary:The present paper investigates the effect of voids on the propagation of surface waves in a homogeneous micropolar elastic solid medium which contains a distribution of vacuous pores (voids). The general theory for surface wave propagation in micropolar elastic media containing voids has been presented. Particular cases of surface waves (Rayleigh’s, Love’s and Stoneley’s) in micropolar media which contain vacuous pores have been deduced from the above general theory. Discussions have been made in each case to highlight the effect of voids and micropolar character of the material medium separately. Their joint effect has also been studied in details. Modulation of Rayleigh wave velocity has been studied numerically. It is observed that Love waves are not affected by the presence of voids.
Bibliography:ObjectType-Article-2
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ISSN:1895-6572
1895-7455
DOI:10.2478/s11600-006-0032-9