Using Lagrange multipliers in the triangular element of a nonshallow shell under variable interpolation of displacements
- Authors: Klochkov Y.V.1, Nikolaev A.P.1, Vakhnina O.V.1, Kiseleva T.A.1
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Affiliations:
- Volgograd State Agrarian University
- Issue: Vol 11, No 4 (2017)
- Pages: 535-544
- Section: Article
- URL: https://journals.rcsi.science/1990-4789/article/view/212893
- DOI: https://doi.org/10.1134/S1990478917040111
- ID: 212893
Cite item
Abstract
We present an algorithmfor calculation of arbitrary thin shells on the basis of a triangular element of discretization with corrective Lagrange multipliers. The stiffness matrix of this element is formed using some ways of approximating displacements as scalar or vector quantities.
About the authors
Yu. V. Klochkov
Volgograd State Agrarian University
Author for correspondence.
Email: Klotchkov@bk.ru
Russian Federation, Universitetskii pr. 26, Volgograd, 400002
A. P. Nikolaev
Volgograd State Agrarian University
Email: Klotchkov@bk.ru
Russian Federation, Universitetskii pr. 26, Volgograd, 400002
O. V. Vakhnina
Volgograd State Agrarian University
Email: Klotchkov@bk.ru
Russian Federation, Universitetskii pr. 26, Volgograd, 400002
T. A. Kiseleva
Volgograd State Agrarian University
Email: Klotchkov@bk.ru
Russian Federation, Universitetskii pr. 26, Volgograd, 400002