Analysis of the Problem of Stability of Thin Shells Compliant to Shear and Compression


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Abstract

The problem of stability of shells compliant to shear and compression is studied by the finite-element method. On the basis of relations of the geometrically nonlinear theory of thin shells compliant to shear and compression (six-mode version), we write the key equations for the determination of their initial postcritical state and formulate the corresponding variational problem. A numerical scheme of the finite-element method is constructed for the solution of the problems of stability of these shells. The order of the rate of convergence of the scheme proposed for the numerical solution of the problems of stability is investigated.

About the authors

I. Ye. Bernakevych

I. Franko Lviv National University

Email: Jade.Santos@springer.com
Ukraine, Lviv

P. P. Vahin

I. Franko Lviv National University

Email: Jade.Santos@springer.com
Ukraine, Lviv

I. Ya. Kozii

I. Franko Lviv National University

Email: Jade.Santos@springer.com
Ukraine, Lviv

V. M. Kharchenko

I. Franko Lviv National University

Email: Jade.Santos@springer.com
Ukraine, Lviv

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