A free boundary problem and stability for the rectangular plate

Erich Miersemann, Hans Mittelmann

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


In the recent paper [13] we have answered the question of stability for the linear circular plate which is being axially compressed by a force greater than the critical value and contacts a plane obstacle. In this case there are radially symmetric solutions and the contact region is a disk of a smaller radius. This simplified the determination of the critical parameter values for which the plane jumps to another state. For the rectangular plate continuation has to be applied to the variational inequality in order to determine the contact region and evalute the stability criterion. A numerical method is developed for a discretization of the problem and is used to compute the critical load both in the simply supported and the clamped case.

Original languageEnglish (US)
Pages (from-to)129-138
Number of pages10
JournalMathematical Methods in the Applied Sciences
Issue number2
StatePublished - Feb 1990

ASJC Scopus subject areas

  • Mathematics(all)
  • Engineering(all)


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