Identification of a free boundary arising in a magneto-hydrodynamics system

Kyung Keun Kang, June Yub Lee, Jin Keun Seo

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


We study the free boundary problem to identify the plasma region in a stationary tokamak machine using the magnetic flux function. Uniqueness has been proved and the free boundary has been explicitly computed in the case where the domain is an n-dimensional ball. We also derive an energy distribution identity which is applicable to identify the location of the free boundary for more general domains in two-dimensional space.

Original languageEnglish
Pages (from-to)1301-1309
Number of pages9
JournalInverse Problems
Issue number5
StatePublished - 1997


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