Abstract

This paper examines non-homogeneous geo-material halfspaces under the axisymmetric indentation of a circular rigid plate. A multilayered model is proposed to approximate arbitrary variations of the elastic parameters in geo-materials with depth. The non-homogeneous geo-material halfspaces can have variable shear modulus and Poisson's ratio with depth. Numerical verification is performed for the contact problem of a non-homogeneous halfspace with variable shear modulus and constant Poisson's ratio. Results illustrate the effects of material inhomogeneity on the elastic fields of a non-homogeneous halfspace.

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