Place of publishing:
Od Vol. 43, issue 1 (1991) wyd.: Polish Scientific Publishers = PWN ; Od Vol. 50, issue 4 (1998) wyd.: Agencja Reklamowo-Wydawnicza A. Grzegorczyk ; Od Vol. 53, issue 4/5 (2001) wyd: PAS. IFTR ; , 1-132 s. ; 24 cm
Subject and Keywords:
This paper concerns the inelastic stability of a thin plate under in-plane loading. In Love-Kirchhoffs approximation, using Hencky's relations and the Von Mises criterion, yield the particular stress distribution across the plate thickness for elastic and elastic-plastic prestress fields. The principle of virtual work is used to study the equilibrium of the bifurcated solution. This leads to the energy relations where explicit dependence between the stability equation coefficients and the solution is carried out. In the equilibrium equation, two nonquadratic additional terms are obtained which are neglected in the classical equation. Some applications are made using Ramberg-Osgood's formula to show the importance of the additional terms.
Language of abstract:
Projects co-financed by:
Operational Program Digital Poland, 2014-2020, Measure 2.3: Digital accessibility and usefulness of public sector information; funds from the European Regional Development Fund and national co-financing from the state budget. ;