X-Ritz Solution for Nonlinear Free Vibrations of Plates with Embedded Cracks

Risultato della ricerca: Articlepeer review


The analysis of large amplitude vibrations of cracked plates is considered in this study. The problem is addressed via a Ritzapproach based on the first-order shear deformation theory and von Kármán’s geometric nonlinearity assumptions. Thetrial functions are built as series of regular orthogonal polynomial products supplemented with special functions able torepresent the crack behaviour (which motivates why the method is dubbed as eXtended Ritz); boundary functions are usedto guarantee the fulfillment of the kinematic boundary conditions along the plate edges. Convergence and accuracy areassessed to validate the approach and show its efficiency and potential. Original results are then presented, which illustratethe influence of cracks on the stiffening effect of large amplitude vibrations. These results can also serve as benchmark forfuture solutions of the problem.
Lingua originaleEnglish
pagine (da-a)75-83
Numero di pagine9
Stato di pubblicazionePublished - 2019


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