The logarithmic singularity of an accelerating edge dislocation

Abstract

By singular asymptotic series expansion of the integrals giving the radiated field from a dislocation loop, the logarithmic singularity of the near-field expansion is obtained for a straight edge dislocation. The coefficient of the singularity depends linearly on the instantaneous value of the acceleration and constitutes the leading term of the energy-release rate for a moving dislocation in a general motion.

Acknowledgement

This research was supported by the National Science Foundation under grant CMS-9734939.

Notes

† Emails: [email protected]; [email protected].

Additional information

Notes on contributors

X. Markenscoff†

† Emails: [email protected]; [email protected].