Abstract

The Stroh sextic formalism is used to derive a real-form expression for the compressibility of an elliptical pore in an infinite general anisotropic elastic body. The pore compressibility is defined as the fractional decrease in the area of the pore due to a remote hydrostatic pressure of unit magnitude. The compressibility is expressed in terms of the Barnett–Lothe tensors for the anisotropic elastic body. The compressibility attains its minimum when a particular value of the aspect ratio of the elliptical pore is chosen. This particular aspect ratio is in general not equal to unity due to the anisotropy of the elastic body.

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