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Pozycja On a dynamical stability of thin periodic plates(Katedra Wytrzymałości Materiałów i Konstrukcji, Politechnika Łódzka, 2003) Jedrysiak, J.In this contribution a dynamical stability of thin periodic plates is considered. For this purpose the tolerance averaging, developed for periodic composites and structurcs in the book (8], is applied to the known Kirchhoff-type plate equation. This method leads to averaged models taking inte account the length-scale ejfect on the overall plate behaviour. It was presented for thin periodic plates in [3]. Here, applications to a dynamical stability of those plates will be shown.Pozycja On a stability of thin microperiodic plates(Wydawnictwo Politechniki Łódzkiej, 1997) Jędrysiak, JarosławThe structural macromechanics is applied to investigate the stability of a composite plate. Thin elastic plates with microperiodic structure in planes parallel to the midplane are examined. A new retined approach is used to the problem of the dynamic stability of periodic plates. Some special results are shown