Author:
Uzelac Ivana,Smoljanovic Hrvoje,Batinic Milko,Peroš Bernardin,Munjiza Ante
Abstract
Purpose
This paper aims to present a new numerical model for geometric nonlinear analysis of thin-shell structures based on a combined finite-discrete element method (FDEM).
Design/methodology/approach
The model uses rotation-free, three-node triangular finite elements with exact formulation for large rotations, large displacements in conjunction with small strains.
Findings
The presented numerical results related to behaviour of arbitrary shaped thin shell structures under large rotations and large displacement are in a good agreement with reference solutions.
Originality/value
This paper presents new computationally efficient numerical model for geometric nonlinear analysis and prediction of the behaviour of thin-shell structures based on combined FDEM. The model is implemented into the open source FDEM package “Yfdem”, and is tested on simple benchmark problems.
Subject
Computational Theory and Mathematics,Computer Science Applications,General Engineering,Software
Reference32 articles.
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2. Unified approach for shear-locking-free triangular and rectangular shell finite elements;Computers and Structures,2000
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