General method of regularization. II: Relaxation proposed by suquet

Volume 31 / 2004

Jarosław L. Bojarski Applicationes Mathematicae 31 (2004), 321-343 MSC: Primary 49J45; Secondary 49K99, 47N10, 47H04, 26B30, 74C05. DOI: 10.4064/am31-3-7


The aim of this paper is to prove that the relaxation of the elastic-perfectly plastic energy (of a solid made of a Hencky material) is the lower semicontinuous regularization of the plastic energy. We find the integral representation of a non-locally coercive functional. We show that the set of solutions of the relaxed problem is equal to the set of solutions of the relaxed problem proposed by Suquet. Moreover, we prove an existence theorem for the limit analysis problem.


  • Jarosław L. BojarskiInstitute of Fundamental Technological Research
    Polish Academy of Sciences
    Świętokrzyska 21
    00-049 Warszawa, Poland

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