Acta mathematica scientia,Series B ›› 1995, Vol. 15 ›› Issue (3): 247-253.

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REGULARITY OF THE FREE BOUNDARY IN ELECTROCHEMICAL MACHINING PROBLEM

Yuan Guangwei   

  1. Institute of Applied Physics and Computational Mathematics P. O. Box 8009, Beijing 100088, China
  • Received:1993-01-07 Revised:1994-02-01 Online:1995-09-25 Published:1995-09-25

Abstract: The "hole-boring problem" in ECM is considered.It is shown that after a finite period of time the free boundary becomes smooth in space variables and Holder continuous in time variable without imposing specific geometric assumption on the initial and boundary data.

Key words: free boundary, regularity, plane-reflection method

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