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Published August 1977 | Published
Journal Article Open

Elastic relaxation coefficients for a spherical cavity in a prestressed medium of arbitrary orientation


Archambeau gave elastic relaxation coefficients for a spherical cavity introduced into a pure shear prestress field. The technique is generalized to a stress field for which only the trace of σ_(ij)^(0) is zero. The coefficients are given for a general deviatoric prestress field of arbitrary orientation. They are then specialized to the case of a pure shear stress expressed in terms of the orientation angles commonly used in fault plane descriptions, i.e. dip and slip angle. The extension of this technique to an arbitrary homogeneous prestress field and its limitations are discussed.

Additional Information

© 1977 Royal Astronomical Society. Received 1977 February; in original form 1977 June 18. Article first published online: 2 Apr 2007. This research was supported by the Advanced Research Projects Agency of the Department of Defense and was monitored by the Air Force Office of Scientific Research under Contracts F44620-72-C-0078 and F44620-72-C-0083.

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