Jakub Kõo

Sirvi

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Residual stress determination in plates using layer growing/removing methods
(Rotterdam : Balkema, 1998) Kõo, Jakub; Valgur, Jaak
A generalized algorithm of the layer growing/removing methods is presented for computing residual stresses in a free rectangular orthotropic inhomogeneous plate whose elastic parameters depend on its thickness coordinate. The algorithm allows calculation of residual stresses from strains or curvatures measured on the stationary surface of the plate as well as from initial stresses measured on the moving surface using X-ray diffraction. The suggested algorithm is programmed for PC and presents interest first of all in the study of residual stresses in coatings and surface layers generally. Three examples of application are presented.