Abstract
The classical elastostatic displacement field has a biharmonic character conveniently expressed by the Papkovich-Neuber formula. This can be readily transformed into the superposition of two distinctive biharmonic components. These can be exhibited as the limits of uniformly moving wave fields, which are then coupled together to provide an acceptable resultant field. Our approach has been successfully applied to recover Easons', solution for a uniformly moving point force, and it is here applied to recover Eshelby's solution for a uniformly moving edge dislocation.
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